Chemical curing of expoxidized diene polymers using aromatic anh

Details Chemical curing of expoxidized diene polymers using aromatic anh Chemical curing of expoxidized diene polymers using aromatic anh

1997-02-10

1998-04-21

Gulakowski, Randy

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

Synthetic resins

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

525 92F, 525 92H, 525533, 525941, 525942, 528112, C08L 5300

Patent

active

057418560

ABSTRACT:
A process for curing epoxidized diene polymers for use in adhesives, sealants, and coatings which comprises contacting the polymer with an aromatic anhydride curing agent at an epoxy/anhydride molar ratio from 0.5/1 to 2.0/1.0, optionally, and from 0.1 to 10 phr of an accelerator at a temperature of from 100.degree. to 200.degree. C. for a period of 10 minutes to six hours.

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Search Report dated May 23 1997.

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