Initiator
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Definition:
An agent which causes a chemical reaction to commence and which enters into the reaction to become part of the resultant compound. Initiators differ from catalysts in that catalysts do not combine chemically with the reactants. Initiators are used in many polymerization reactions, especially in emulsion polymerization processes. Initiators most commonly used in the polymerization of monomers and resins having ethylenic unsaturation (—C=C—) are the organic peroxides.
Definition Copyright ©1989 CRC Press LLC. All rights
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