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Cyclic olefin copolymer

Index Cyclic olefin copolymer

Cyclic olefin copolymer (COC) is an amorphous polymer made by several polymer manufacturers. [1]

50 relations: Abbe number, Acid, Air filter, Alcohol, Backlight, Base (chemistry), Birefringence, Bisphenol A, Blow molding, Camera, Chemical polarity, Compression molding, Cuvette, Dielectric, Display device, Dissipation factor, Elastic modulus, Estrogen, Ethylene, Ethylene oxide, Extrusion, Extrusion coating, Fluoropolymer, Gamma ray, Glass transition, Halogen, High-density polyethylene, Injection moulding, Lens (optics), Medication, Microfluidics, Microtiter plate, Mobile device, Norbornene, Photocopier, Polycarbonate, Polyethylene, Polyethylene terephthalate, Polypropylene, Protein, Salt metathesis reaction, Shrink wrap, Solvent, Stiffness, Surface energy, Thermoforming, Toluene, Touchscreen, Ultraviolet, Viscosity.

Abbe number

In optics and lens design, the Abbe number, also known as the V-number or constringence of a transparent material, is a measure of the material's dispersion (variation of refractive index versus wavelength), with high values of V indicating low dispersion.

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Acid

An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).

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Air filter

A particulate air filter is a device composed of fibrous or porous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air.

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Alcohol

In chemistry, an alcohol is any organic compound in which the hydroxyl functional group (–OH) is bound to a carbon.

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Backlight

A backlight is a form of illumination used in liquid crystal displays (LCDs).

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Base (chemistry)

In chemistry, bases are substances that, in aqueous solution, release hydroxide (OH−) ions, are slippery to the touch, can taste bitter if an alkali, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions.

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Birefringence

Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.

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Bisphenol A

Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups.

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Blow molding

Blow molding (BrE moulding) is a specific manufacturing process by which hollow plastic parts are formed and can be joined together: It is also used for forming glass bottles or other hollow shapes.

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Camera

A camera is an optical instrument for recording or capturing images, which may be stored locally, transmitted to another location, or both.

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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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Compression molding

Compression Molding is a method of molding in which the moulding material, generally preheated, is first placed in an open, heated mould cavity.

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Cuvette

A cuvette (French: cuvette.

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Dielectric

A dielectric (or dielectric material) is an electrical insulator that can be polarized by an applied electric field.

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Display device

A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people).

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Dissipation factor

In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in a dissipative system.

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Elastic modulus

An elastic modulus (also known as modulus of elasticity) is a quantity that measures an object or substance's resistance to being deformed elastically (i.e., non-permanently) when a stress is applied to it.

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Estrogen

Estrogen, or oestrogen, is the primary female sex hormone.

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Ethylene

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

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Ethylene oxide

Ethylene oxide, called oxirane by IUPAC, is an organic compound with the formula. It is a cyclic ether and the simplest epoxide: a three-membered ring consisting of one oxygen atom and two carbon atoms. Ethylene oxide is a colorless and flammable gas with a faintly sweet odor. Because it is a strained ring, ethylene oxide easily participates in a number of addition reactions that result in ring-opening. Ethylene oxide is isomeric with acetaldehyde and with vinyl alcohol. Ethylene oxide is industrially produced by oxidation of ethylene in the presence of silver catalyst. The reactivity that is responsible for many of ethylene oxide's hazards also make it useful. Although too dangerous for direct household use and generally unfamiliar to consumers, ethylene oxide is used for making many consumer products as well as non-consumer chemicals and intermediates. These products include detergents, thickeners, solvents, plastics, and various organic chemicals such as ethylene glycol, ethanolamines, simple and complex glycols, polyglycol ethers, and other compounds. Although it is a vital raw material with diverse applications, including the manufacture of products like polysorbate 20 and polyethylene glycol (PEG) that are often more effective and less toxic than alternative materials, ethylene oxide itself is a very hazardous substance. At room temperature it is a flammable, carcinogenic, mutagenic, irritating, and anaesthetic gas. As a toxic gas that leaves no residue on items it contacts, ethylene oxide is a surface disinfectant that is widely used in hospitals and the medical equipment industry to replace steam in the sterilization of heat-sensitive tools and equipment, such as disposable plastic syringes. It is so flammable and extremely explosive that it is used as a main component of thermobaric weapons; therefore, it is commonly handled and shipped as a refrigerated liquid to control its hazardous nature.Rebsdat, Siegfried and Mayer, Dieter (2005) "Ethylene Oxide" in Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH, Weinheim..

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Extrusion

Extrusion is a process used to create objects of a fixed cross-sectional profile.

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Extrusion coating

Extrusion coating is the coating of a molten web of synthetic resin onto a substrate material.

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Fluoropolymer

A fluoropolymer is a fluorocarbon-based polymer with multiple carbon–fluorine bonds.

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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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Glass transition

The glass–liquid transition, or glass transition, is the gradual and reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials), from a hard and relatively brittle "glassy" state into a viscous or rubbery state as the temperature is increased.

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Halogen

The halogens are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

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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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Injection moulding

Injection moulding (British English) or injection molding (American English) is a manufacturing process for producing parts by injecting molten material into a mould.

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Lens (optics)

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.

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Medication

A medication (also referred to as medicine, pharmaceutical drug, or simply drug) is a drug used to diagnose, cure, treat, or prevent disease.

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Microfluidics

Microfluidics deals with the behaviour, precise control and manipulation of fluids that are geometrically constrained to a small, typically sub-millimeter, scale at which capillary penetration governs mass transport.

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Microtiter plate

A microtiter plate (spelled Microtiter is a registered trade name in the United States) or microplate or microwell plate or multiwell, is a flat plate with multiple "wells" used as small test tubes.

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Mobile device

A mobile device (or handheld computer) is a computing device small enough to hold and operate in the hand.

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Norbornene

Norbornene or norbornylene or norcamphene is a bridged cyclic hydrocarbon.

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Photocopier

A photocopier (also known as a copier or copy machine) is a machine that makes paper copies of documents and other visual images quickly and cheaply.

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Polycarbonate

Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures.

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Polyethylene

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

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Polyethylene terephthalate

Polyethylene terephthalate (sometimes written poly(ethylene terephthalate)), commonly abbreviated PET, PETE, or the obsolete PETP or PET-P, is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, thermoforming for manufacturing, and in combination with glass fibre for engineering resins.

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Polypropylene

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

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Salt metathesis reaction

A salt metathesis reaction (from the Greek μετάθεσις, "transposition"), sometimes called a double replacement reaction or double displacement reaction, is a chemical process involving the exchange of bonds between two reacting chemical species, which results in the creation of products with similar or identical bonding affiliations.

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Shrink wrap

Shrink wrap, also shrink film, is a material made up of polymer plastic film.

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Solvent

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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Stiffness

Stiffness is the rigidity of an object — the extent to which it resists deformation in response to an applied force.

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Surface energy

Surface Free energy, or interfacial free energy, quantifies the disruption of intermolecular bonds that occur when a surface is created.

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Thermoforming

Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, formed to a specific shape in a mold, and trimmed to create a usable product.

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Toluene

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

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Touchscreen

A touchscreen is an input and output device normally layered on the top of an electronic visual display of an information processing system.

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Ultraviolet

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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Viscosity

The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.

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Redirects here:

Cyclic Olefin Copolymer, Cyclic olefin polymer, Cyclo olefin polymer, Cyclo olefinecopolymer, Ethylene copolymer, Ethylene-norbornene copolymer, Olefin copolymer.

References

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

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