Crosslinking agent

Details Crosslinking agent Crosslinking agent

2009-04-14

2011-11-01

Rabago, Roberto (Department: 1762)

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

Synthetic resins

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

C525S375000, C525S379000, C252S182130, C252S182230

Reexamination Certificate

active

08048964

ABSTRACT:
In order to make available a crosslinking agent for ethylene acrylate (AEM) and polyacrylate (ACM) elastomers, which is equivalent to the crosslinking agents containing guanidine that have been used until now, but which does without the teratogenically acting guanidines which are toxologically hazardous, it is proposed that the crosslinking agent for diaminically crosslinkable AEM and ACM elastomers comprise a diamine crosslinker, an accelerator selected from 1,8-diazabicyclo-5,4,0-undec-7-ene (DBU), derivatives and salts thereof, and a moderator of the pyrrolidone type.

REFERENCES:
patent: 2006/0012077 (2006-01-01), Salameh et al.
patent: 2010/0222510 (2010-09-01), Kelbch et al.
patent: 1 617 112 (2006-01-01), None
“Replacement of DOTG in Zeon HT-ACM Elastomers—Further Studies—” by ZEON European Technical Service, Mar. 2008.
Technical Data Sheet “An alternate accelerator for DuPont™ Vamac® terpolymers: Vulcofac® ACT 55” by DuPont, pp. 1-4, 2007.

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