Method for trapping a residual monomer with epoxide function...

Details Method for trapping a residual monomer with epoxide function... Method for trapping a residual monomer with epoxide function...

2005-02-15

2005-02-15

Wu, David W. (Department: 1713)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C528S490000, C524S450000, C524S502000, C525S407000

Reexamination Certificate

active

06855800

ABSTRACT:
For trapping a residual monomer containing an expoxide function that has not reacted by copolymerization or by grafting, in a thermoplastic composition based on a copolymer of ethylene and/or propylene, a sufficient amount of an acidic trapping additive is added to remove the residual monomer. The trapping additive is preferably a porous zeolite with a pore diameter of between 2 and 10 angstroms. Improved compositions and blends are thereby obtained.

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