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Chain termination

Index Chain termination

Chain termination is any chemical reaction that ceases the formation of reactive intermediates in a chain propagation step in the course of a polymerization, effectively bringing it to a halt. [1]

21 relations: Alcohol, Anionic addition polymerization, Chain propagation, Chain transfer, Chemical reaction, Dissociation (chemistry), Harry R. Allcock, International Union of Pure and Applied Chemistry, Isocyanate, IUPAC books, Monomer, Polymer, Polymer chemistry, Polymerization, Polyol, Pure and Applied Chemistry, Radical disproportionation, Radical polymerization, Reactive intermediate, Step-growth polymerization, Vinyl polymer.

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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Anionic addition polymerization

Anionic addition polymerization is a form of chain-growth polymerization or addition polymerization that involves the polymerization of vinyl monomers with strong electronegative groups.

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Chain propagation

Chain propagation (sometimes referred to as propagation) is a process in which a reactive intermediate is continuously regenerated during the course of a chemical chain reaction.

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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 reaction

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

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Dissociation (chemistry)

Dissociation in chemistry and biochemistry is a general process in which molecules (or ionic compounds such as salts, or complexes) separate or split into smaller particles such as atoms, ions or radicals, usually in a reversible manner.

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Harry R. Allcock

Harry R. Allcock (born April 8, 1932, Loughborough, England) is Evan Pugh Professor of chemistry at Pennsylvania State University.

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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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Isocyanate

Isocyanate is the functional group with the formula R–N.

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IUPAC books

The International Union of Pure and Applied Chemistry publishes many books, which contain its complete list of definitions.

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Monomer

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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Polymer

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

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Polymer chemistry

Polymer chemistry is a chemistry subdiscipline that deals with the structures, chemical synthesis and properties of polymers, primarily synthetic polymers such as plastics and elastomers.

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Polymerization

In polymer chemistry, polymerization is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or three-dimensional networks.

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Polyol

A polyol is an organic compound containing multiple hydroxyl groups.

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Pure and Applied Chemistry

Pure and Applied Chemistry (abbreviated Pure Appl. Chem.) is the official journal for the International Union of Pure and Applied Chemistry (IUPAC).

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Radical disproportionation

Radicals in chemistry are defined as reactive atoms or molecules that contain unpaired electrons in an open shell.

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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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Reactive intermediate

In chemistry, a reactive intermediate or an intermediate is a short-lived, high-energy, highly reactive molecule.

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Step-growth polymerization

Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers.

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Vinyl polymer

Vinyl polymers are a group of polymers derived from vinyl monomers.

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References

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

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