Process for introducing an additive into a polymer melt

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 3/22 (2006.01) B29C 47/36 (2006.01) C08J 5/18 (2006.01) C08K 3/28 (2006.01) C08L 67/00 (2006.01)

Patent

CA 2582903

A process includes introducing a base polymer into an extruder, heating to a temperature sufficient to form a polymer melt, introducing a liquid such as water including an additive with mixing and subsequent vaporization and venting of the liquid to produce an extrudate having a uniform distribution of preferably uniformly small additive particles.

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