Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-09-09
1999-08-24
Buttner, David
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525176, 525181, 525183, C08L 3314, C08L 3308, C08L 6900, C08L 7700
Patent
active
059425776
ABSTRACT:
A thermoplastic elastomer is formed from a thermoplastic polymer such as a polyester, polycarbonate, or combinations thereof or a polyamide, which polymer is melt blended with an acrylic rubber. The acrylic rubber desirably has from about 0.5 to about 5 mole percent repeat units from halogen (desirably chlorine) containing monomer. Subsequently the acrylic rubber is crosslinked with 2,5-mercapto-1,3,4-thiadiazole or a derivative thereof. Such a thermoplastic elastomer may have a compression set less than 50% making it useful in applications involving continuous use under compression.
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An article entitled "New Thiadiazole Cure Systems Offers Benefits to Chlorinated Polymers" by M.C. Salerno in Elastomerics published by Communication Channels, Inc., in Atlanta, Georgia on Apr. 1, 1992.
Advanced Elastomer Systems L.P.
Buttner David
Laferty Samuel B.
Skinner William A.
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