Microwave heatable monovinyl aromatic polymers

Details Microwave heatable monovinyl aromatic polymers Microwave heatable monovinyl aromatic polymers

2008-11-14

2011-11-15

Nutter, Nathan M (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S208000, C525S232000, C525S240000, C525S241000, C522S113000, C522S126000

Reexamination Certificate

active

08058349

ABSTRACT:
A method for melt-processing a polymer of a monovinyl aromatic compound, such as styrene, is disclosed. The method may include heating a polymer of a monovinyl aromatic compound volumetrically with microwave energy, wherein the polymer of a monovinyl aromatic compound includes: a discontinuous rubber phase; and a continuous poly(monovinyl aromatic) phase comprising up to 49 weight percent of at least one of an acrylate comonomer and a vinyl cyanide comonomer.

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