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Index Polyethylene

Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(ethylene)) is the most common plastic. [1]

178 relations: Acinetobacter, Acrylate, Acrylic acid, Acrylic resin, Adhesive, Alkene, Alpha-olefin, Aramid, Aromatic hydrocarbon, Atmosphere (unit), Azo compound, Benzaldehyde, Bottle, Branching (polymer chemistry), Braskem, Brevibacillus borstelensis, Bulletproof vest, Butyl group, Canada-Wide Science Fair, Candle, Carbon black, Carbon dioxide, Catalysis, Chain transfer, Chemical formula, Chemical polarity, Chlorinated polyethylene, Chromium, Chromium trioxide, Coaxial cable, Comonomer, Coordination polymerization, Copolymer, Corona treatment, Covalent bond, Creep (deformation), Cross-link, Cross-linked polyethylene, Crystal structure, Crystallinity, Crystallite, Crystallization of polymers, Cyclic olefin copolymer, Cycloalkene, Density, Der Spiegel, Di-tert-butyl peroxide, Diazomethane, Dibutyltin dilaurate, Ductility, ..., Epoxy, Eric Fawcett, Ester, Ethanol, Ethyl group, Ethylene, Ethylene-vinyl acetate, Eugen Bamberger, Exothermic process, Fastener, Flame treatment, Flavor, Fukushima Daiichi nuclear disaster, Functionality (chemistry), Galleria mellonella, Gamma ray, Gas, Geomembrane, Halide, Halogenation, Hans von Pechmann, Hardness, Heat fusion, Heat sealer, High-density polyethylene, Hip replacement, Hot gas welding, Hot-melt adhesive, Hydrocarbon, Hydrogen, Hydrolysis, Imperial Chemical Industries, Implant (medicine), Indianmeal moth, Insulator (electricity), Intermolecular force, International Union of Pure and Applied Chemistry, Intramolecular force, Ionomer, J. Paul Hogan, Karl Ziegler, Kerosene, Knee replacement, Laboratory water bath, Landfill, Laser beam welding, Linear low-density polyethylene, Low-density polyethylene, Magnesium chloride, Medium-density polyethylene, Metallocene, Methylene group, Michael Perrin, Millimetre, Molar mass distribution, Molecular mass, Monomer, Natural gas, Norbornene, Northwich, Opacity (optics), Oxygen, Packaging and labeling, Particle accelerator, Penetration depth, Peroxide, Petroleum, Phillips catalyst, Phillips Petroleum Company, Plastic, Plastic bag, Plastic film, Plastic pollution, Polyethylene, Polymer, Polypropylene, Polystyrene, Polyurethane, Polyvinyl acetate, Polyvinyl chloride, Pressure-sensitive adhesive, Pseudomonas fluorescens, Puncture resistance, Radar, Radical (chemistry), Radical polymerization, Reed reaction, Renewable resource, Resin, Rheology, Robert Banks (chemist), Silanes, Solid-state chemistry, Solvent, Sphingomonas, Sugar beet, Sugarcane, Superplasticizer, Synthetic rubber, Thermoplastic elastomer, Thermosetting polymer, Titanium, Titanium(III) chloride, Toluene, Tonne, Toughness, Toyota Tsusho, Trademark, Transparency and translucency, Trichlorobenzene, Trichloroethane, Triunfo, Rio Grande do Sul, Ultimate tensile strength, Ultra-high-molecular-weight polyethylene, Ultrasonic welding, Ultraviolet, Unified atomic mass unit, Vinyl acetate, Vinyl alcohol, Walter Kaminsky, Waste management, Water, Wheat, Xylene, Ziegler–Natta catalyst, 1-Butene, 1-Hexene, 1-Octene. Expand index (128 more) »


Acinetobacter is a genus of Gram-negative bacteria belonging to the wider class of Gammaproteobacteria.

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Acrylates are the salts, esters, and conjugate bases of acrylic acid and its derivatives.

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Acrylic acid

Acrylic acid (IUPAC: propenoic acid) is an organic compound with the formula CH2.

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Acrylic resin

Acrylic resins are a group of related thermoplastic or thermosetting plastic substances derived from acrylic acid, methacrylic acid or other related compounds.

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An adhesive, also known as glue, cement, mucilage, or paste, is any substance applied to one surface, or both surfaces, of two separate items that binds them together and resists their separation.

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In organic chemistry, an alkene is an unsaturated hydrocarbon that contains at least one carbon–carbon double bond.

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Alpha-olefins (or α-olefins) are a family of organic compounds which are alkenes (also known as olefins) with a chemical formula CxH2x, distinguished by having a double bond at the primary or alpha (α) position.

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Aramid fibers are a class of heat-resistant and strong synthetic fibers.

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Aromatic hydrocarbon

An aromatic hydrocarbon or arene (or sometimes aryl hydrocarbon) is a hydrocarbon with sigma bonds and delocalized pi electrons between carbon atoms forming a circle.

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Atmosphere (unit)

The standard atmosphere (symbol: atm) is a unit of pressure defined as.

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Azo compound

Azo compounds are compounds bearing the functional group R−N.

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Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent.

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A bottle is a narrow-necked container as compared with a jar.

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Branching (polymer chemistry)

In polymer chemistry, branching occurs by the replacement of a substituent, e.g., a hydrogen atom, on a monomer subunit, by another covalently bonded chain of that polymer; or, in the case of a graft copolymer, by a chain of another type.

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Braskem is a Brazilian petrochemical company headquartered in São Paulo.

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Brevibacillus borstelensis

Brevibacillus borstelensis is a Gram-positive, aerobic, rod-shaped, endospore-forming bacterium of the genus Brevibacillus.

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Bulletproof vest

A ballistic vest or bullet-resistant vest, often called a bulletproof vest, is an item of personal armor that helps absorb the impact and reduce or stop penetration to the body from firearm-fired projectiles- and shrapnel from explosions, and is worn on the torso.

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Butyl group

In organic chemistry, butyl is a four-carbon alkyl radical or substituent group with general chemical formula −C4H9, derived from either of the two isomers of butane.

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Canada-Wide Science Fair

Started in 1962, the Canada-Wide Science Fair (CWSF) is an annual science fair in Canada coordinated by.

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A candle is an ignitable wick embedded in wax, or another flammable solid substance such as tallow, that provides light, and in some cases, a fragrance.

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Carbon black

Carbon black (subtypes are acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of heavy petroleum products such as FCC tar, coal tar, ethylene cracking tar, with the addition of a small amount of vegetable oil.

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Chain transfer

Chain transfer is a polymerization reaction by which the activity of a growing polymer chain is transferred to another molecule.

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Chemical formula

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

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Chemical polarity

In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.

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Chlorinated polyethylene

Chlorinated polyethylene (PE-C) is an inexpensive variation of polyethylene having a chlorine content from 34 to 44%.

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Chromium is a chemical element with symbol Cr and atomic number 24.

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Chromium trioxide

Chromium trioxide is an inorganic compound with the formula CrO3.

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Coaxial cable

Cross-sectional view of a coaxial cable Coaxial cable, or coax (pronounced), is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield.

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In polymer chemistry, a comonomer refers a polymerizable precursor to a copolymer aside from the principal monomer.

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Coordination polymerization

Coordination polymerisation is a form of polymerization that is catalyzed by transition metal salts and complexes.

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When two or more different monomers unite together to polymerize, the product is called a copolymer and the process is called copolymerization.

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Corona treatment

Corona treatment (sometimes referred to as air plasma) is a surface modification technique that uses a low temperature corona discharge plasma to impart changes in the properties of a surface.

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Covalent bond

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

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Creep (deformation)

In materials science, creep (sometimes called cold flow) is the tendency of a solid material to move slowly or deform permanently under the influence of mechanical stresses.

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A cross-link is a bond that links one polymer chain to another.

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Cross-linked polyethylene

Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.

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Crystal structure

In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material.

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Crystallinity refers to the degree of structural order in a solid.

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A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials.

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Crystallization of polymers

Crystallization of polymers is a process associated with partial alignment of their molecular chains.

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Cyclic olefin copolymer

Cyclic olefin copolymer (COC) is an amorphous polymer made by several polymer manufacturers.

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A cycloalkene or cycloolefin is a type of alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character.

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The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Der Spiegel

Der Spiegel (lit. "The Mirror") is a German weekly news magazine published in Hamburg.

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Di-tert-butyl peroxide

Di-tert-butyl peroxide or DTBP is an organic compound consisting of a peroxide group bonded to two tert-butyl groups.

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Diazomethane is the chemical compound CH2N2, discovered by German chemist Hans von Pechmann in 1894.

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Dibutyltin dilaurate

Dibutyltin dilaurate (DBTDL) is an organotin compound that is used as a catalyst.

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Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.

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Epoxy is either any of the basic components or the cured end products of epoxy resins, as well as a colloquial name for the epoxide functional group.

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Eric Fawcett

Eric Fawcett (23 August 1927 – 2 September 2000), was a professor of physics at the University of Toronto for 23 years.

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In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl (alkoxy) group.

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Ethanol, also called alcohol, ethyl alcohol, grain alcohol, and drinking alcohol, is a chemical compound, a simple alcohol with the chemical formula.

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Ethyl group

In chemistry, an ethyl group is an alkyl substituent derived from ethane (C2H6).

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Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or H2C.

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Ethylene-vinyl acetate

Ethylene-vinyl acetate (EVA), also known as poly (ethylene-vinyl acetate) (PEVA), is the copolymer of ethylene and vinyl acetate.

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Eugen Bamberger

Eugen Bamberger (19 July 1857 – 10 December 1932) was a German chemist and discoverer of the Bamberger rearrangement.

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Exothermic process

In thermodynamics, the term exothermic process (exo-: "outside") describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light (e.g. a spark, flame, or flash), electricity (e.g. a battery), or sound (e.g. explosion heard when burning hydrogen).

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A fastener (US English) or fastening (UK English) is a hardware device that mechanically joins or affixes two or more objects together.

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Flame treatment

Flame treatment is the application of a gas flame to the surface of a material to improve adhesion.

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Flavor (American English) or flavour (British English; see spelling differences) is the sensory impression of food or other substance, and is determined primarily by the chemical senses of taste and smell.

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Fukushima Daiichi nuclear disaster

The was an energy accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima Prefecture, initiated primarily by the tsunami following the Tōhoku earthquake on 11 March 2011.

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Functionality (chemistry)

In chemistry, functionality is the presence of functional groups in a molecule.

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Galleria mellonella

Galleria mellonella, the greater wax moth or honeycomb moth, is a moth of the family Pyralidae.

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Gamma ray

A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.

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Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).

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A geomembrane is very low permeability synthetic membrane liner or barrier used with any geotechnical engineering related material so as to control fluid (or gas) migration in a human-made project, structure, or system.

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A halide is a binary phase, of which one part is a halogen atom and the other part is an element or radical that is less electronegative (or more electropositive) than the halogen, to make a fluoride, chloride, bromide, iodide, astatide, or theoretically tennesside compound.

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Halogenation is a chemical reaction that involves the addition of one or more halogens to a compound or material.

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Hans von Pechmann

Hans von Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894.

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Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion.

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Heat fusion

Heat fusion (sometimes called heat welding, butt welding or simply fusion) is a welding process used to join two different pieces of a thermoplastic.

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Heat sealer

A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat.

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High-density polyethylene

High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a polyethylene thermoplastic made from petroleum.

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Hip replacement

Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis.

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Hot gas welding

Hot Gas Welding is a manual plastic welding process for joining thermoplastic materials.

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Hot-melt adhesive

Hot melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly sold as solid cylindrical sticks of various diameters designed to be applied using a hot glue gun.

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In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.

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Hydrogen is a chemical element with symbol H and atomic number 1.

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Hydrolysis is a term used for both an electro-chemical process and a biological one.

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Imperial Chemical Industries

Imperial Chemical Industries (ICI) was a British chemical company and was, for much of its history, the largest manufacturer in Britain.

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Implant (medicine)

An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure.

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Indianmeal moth

The Indianmeal moth or Indian-meal moth (Plodia interpunctella) also spelled as Indian meal moth, is a pyraloid moth of the family Pyralidae.

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Insulator (electricity)

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.

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Intermolecular force

Intermolecular forces (IMF) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions.

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International Union of Pure and Applied Chemistry

The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.

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Intramolecular force

An intramolecular force is any force that binds together the atoms making up a molecule or compound, not to be confused with intermolecular forces, which are the forces present between molecules.

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An ionomer (iono- + -mer) is a polymer that comprises repeat units of both electrically neutral repeating units and a fraction of ionized units (usually no more than 15 mole percent) covalently bonded to the polymer backbone as pendant group moieties.

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J. Paul Hogan

John Paul Hogan (August 7, 1919 – February 19, 2012) was an American research chemist.

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Karl Ziegler

Karl Waldemar Ziegler (November 26, 1898 – August 12, 1973) was a German chemist who won the Nobel Prize in Chemistry in 1963, with Giulio Natta, for work on polymers.

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Kerosene, also known as paraffin, lamp oil, and coal oil (an obsolete term), is a combustible hydrocarbon liquid which is derived from petroleum.

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Knee replacement

Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability.

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Laboratory water bath

A water bath is laboratory equipment made from a container filled with heated water.

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A landfill site (also known as a tip, dump, rubbish dump, garbage dump or dumping ground and historically as a midden) is a site for the disposal of waste materials by burial.

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Laser beam welding

Laser beam welding (LBW) is a welding technique used to join pieces of metal or thermoplastics through the use of a laser.

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Linear low-density polyethylene

Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins.

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Low-density polyethylene

Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.

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Magnesium chloride

Magnesium chloride is the name for the chemical compound with the formula MgCl2 and its various hydrates MgCl2(H2O)x.

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Medium-density polyethylene

Medium-density polyethylene (MDPE) is a type of polyethylene defined by a density range of 0.926–0.940 g/cm3.

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A metallocene is a compound typically consisting of two cyclopentadienyl anions (abbreviated Cp) bound to a metal center (M) in the oxidation state II, with the resulting general formula (C5H5)2M.

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Methylene group

In organic chemistry, a methylene group is any part of a molecule that consists of two hydrogen atoms bound to a carbon atom, which is connected to the remainder of the molecule by a double bond.

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Michael Perrin

Sir Michael Willcox Perrin (13 September 1905 – 18 August 1988) was a scientist who created the first practical polythene, directed the first British atomic bomb programme, and participated in the Allied intelligence of the Nazi atomic bomb.

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The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length.

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Molar mass distribution

In linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value.

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Molecular mass

Relative Molecular mass or molecular weight is the mass of a molecule.

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A monomer (mono-, "one" + -mer, "part") is a molecule that "can undergo polymerization thereby contributing constitutional units to the essential structure of a macromolecule".

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Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

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Norbornene or norbornylene or norcamphene is a bridged cyclic hydrocarbon.

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Northwich is a town and civil parish in the unitary authority of Cheshire West and Chester and the ceremonial county of Cheshire, England.

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Opacity (optics)

Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light.

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Oxygen is a chemical element with symbol O and atomic number 8.

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Packaging and labeling

Packaging is the science, art and technology of enclosing or protecting products for distribution, storage, sale, and use.

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Particle accelerator

A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams.

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Penetration depth

Penetration depth is a measure of how deep light or any electromagnetic radiation can penetrate into a material.

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Peroxide is a compound with the structure R-O-O-R. The O−O group in a peroxide is called the peroxide group or peroxo group.

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Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Phillips catalyst

The Phillips catalyst, or the Phillips supported chromium catalyst, is the catalyst used to produce approximately half of the world's polyethylene.

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Phillips Petroleum Company

Phillips Petroleum Company was an American oil company incorporated in 1917 that expanded into petroleum refining, marketing and transportation, natural gas gathering and the chemicals sectors.

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Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.

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Plastic bag

A plastic bag, polybag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile.

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Plastic film

Plastic film is a thin continuous polymeric material.

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Plastic pollution

Plastic pollution is the accumulation of plastic products in the environment that adversely affects wildlife, wildlife habitat and humans.

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Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(ethylene)) is the most common plastic.

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A polymer (Greek poly-, "many" + -mer, "part") is a large molecule, or macromolecule, composed of many repeated subunits.

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Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

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Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer styrene.

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Polyurethane (PUR and PU) is a polymer composed of organic units joined by carbamate (urethane) links.

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Polyvinyl acetate

Poly(vinyl acetate) (PVA, PVAc, poly(ethenyl ethanoate): commonly referred to as wood glue, white glue, carpenter's glue, school glue, Elmer's glue in the US, or PVA glue) is an aliphatic rubbery synthetic polymer with the formula (C4H6O2)n.

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Polyvinyl chloride

Polyvinyl chloride, also known as polyvinyl or '''vinyl''', commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

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Pressure-sensitive adhesive

Pressure-sensitive adhesive (PSA, self-adhesive, self-stick adhesive) is adhesive which forms a bond when pressure is applied to marry the adhesive with the adherend.

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Pseudomonas fluorescens

Pseudomonas fluorescens is a common Gram-negative, rod-shaped bacterium.

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Puncture resistance

Puncture resistance denotes the relative ability of a material or object to inhibit the intrusion of a foreign object.

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Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.

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Radical (chemistry)

In chemistry, a radical (more precisely, a free radical) is an atom, molecule, or ion that has an unpaired valence electron.

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Radical polymerization

Free-radical polymerization (FRP) is a method of polymerization by which a polymer forms by the successive addition of free-radical building blocks.

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Reed reaction

The Reed reaction is a chemical reaction that utilizes light to oxidize hydrocarbons to sulfonyl chlorides.

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Renewable resource

A renewable resource is a natural resource which replenishes to overcome resource depletion caused by usage and consumption, either through biological reproduction or other naturally recurring processes in a finite amount of time in a human time scale.

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In polymer chemistry and materials science, resin is a "solid or highly viscous substance" of plant or synthetic origin that is typically convertible into polymers.

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Rheology (from Greek ῥέω rhéō, "flow" and -λoγία, -logia, "study of") is the study of the flow of matter, primarily in a liquid state, but also as "soft solids" or solids under conditions in which they respond with plastic flow rather than deforming elastically in response to an applied force.

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Robert Banks (chemist)

Robert L. Banks (November 24, 1921 – January 3, 1989) was an American chemist.

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Silanes are saturated chemical compounds consisting of one or multiple silicon atoms linked to each other or one or multiple atoms of other chemical elements as the tetrahedral centers of multiple single bonds.

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Solid-state chemistry

Solid-state chemistry, also sometimes referred to as materials chemistry, is the study of the synthesis, structure, and properties of solid phase materials, particularly, but not necessarily exclusively of, non-molecular solids.

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A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution.

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Sphingomonas was defined in 1990 as a group of Gram-negative, rod-shaped, chemoheterotrophic, strictly aerobic bacteria.

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Sugar beet

A sugar beet is a plant whose root contains a high concentration of sucrose and which is grown commercially for sugar production.

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Sugarcane, or sugar cane, are several species of tall perennial true grasses of the genus Saccharum, tribe Andropogoneae, native to the warm temperate to tropical regions of South and Southeast Asia, Polynesia and Melanesia, and used for sugar production.

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Superplasticizers, also known as high range water reducers, are chemical admixtures used where well-dispersed particle suspension is required.

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Synthetic rubber

A synthetic rubber is any artificial elastomer.

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Thermoplastic elastomer

Thermoplastic elastomers (TPE), sometimes referred to as thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) which consist of materials with both thermoplastic and elastomeric properties.

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Thermosetting polymer

A thermoset, also called a thermosetting plastic, is a plastic that is irreversibly cured from a soft solid or viscous liquid, prepolymer or resin.

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Titanium is a chemical element with symbol Ti and atomic number 22.

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Titanium(III) chloride

Titanium(III) chloride is the inorganic compound with the formula TiCl3.

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Toluene, also known as toluol, is an aromatic hydrocarbon.

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The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.

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In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing.

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Toyota Tsusho

is a sōgō shōsha (trading company), a member of the Toyota Group.

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A trademark, trade mark, or trade-markThe styling of trademark as a single word is predominantly used in the United States and Philippines only, while the two-word styling trade mark is used in many other countries around the world, including the European Union and Commonwealth and ex-Commonwealth jurisdictions (although Canada officially uses "trade-mark" pursuant to the Trade-mark Act, "trade mark" and "trademark" are also commonly used).

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Transparency and translucency

In the field of optics, transparency (also called pellucidity or diaphaneity) is the physical property of allowing light to pass through the material without being scattered.

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Trichlorobenzene (TCB) may refer to any of three isomeric chlorinated derivatives of benzene with the molecular formula C6H3Cl3.

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Trichloroethane can refer to either of two isomeric chemical compounds.

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Triunfo, Rio Grande do Sul

Triunfo is a municipality in the state of Rio Grande do Sul, Brazil.

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Ultimate tensile strength

Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size.

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Ultra-high-molecular-weight polyethylene

Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene.

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Ultrasonic welding

Ultrasonic welding is an industrial technique whereby high-frequency ultrasonic acoustic vibrations are locally applied to workpieces being held together under pressure to create a solid-state weld.

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Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Unified atomic mass unit

The unified atomic mass unit or dalton (symbol: u, or Da) is a standard unit of mass that quantifies mass on an atomic or molecular scale (atomic mass).

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Vinyl acetate

Vinyl acetate is an organic compound with the formula CH3CO2CH.

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Vinyl alcohol

Vinyl alcohol, also called ethenol (IUPAC name), is the simplest enol.

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Walter Kaminsky

Walter Kaminsky (born May 7, 1941) is a German chemist.

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Waste management

Waste management or waste disposal are all the activities and actions required to manage waste from its inception to its final disposal.

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Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

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Wheat is a grass widely cultivated for its seed, a cereal grain which is a worldwide staple food.

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Xylene (from Greek ξύλο, xylo, "wood"), xylol or dimethylbenzene is any one of three isomers of dimethylbenzene, or a combination thereof.

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Ziegler–Natta catalyst

A Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, is a catalyst used in the synthesis of polymers of 1-alkenes (alpha-olefins).

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1-Butene is an organic chemical compound, linear alpha-olefin (alkene), and one of the isomers of butene.

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1-Hexene (hex-1-ene) is an organic compound with the formula C6H12.

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1-Octene is an organic compound with a formula CH2CHC6H13.

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Barrier effect (plastics), Engel process, Ethafoam, Lubonyl process, Polethene, Poly ethylene, Poly(ethene), Poly(ethylene), Polyethelene, Polyethene, Polyethlene, Polyethyelene, Polyethylenes, Polyetilene, Polymethylene, Polymethylenes, Polythene, Polythene bag, Very low density polyethylene.


[1] https://en.wikipedia.org/wiki/Polyethylene

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