Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1995-06-06
1997-03-25
Nagumo, Mark
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5262382, C08F22400
Patent
active
056146019
ABSTRACT:
A method for producing stabilized polymers, exhibiting enhanced thermal stability, which comprises polymerizing a mixture comprising: a monomer comprising an allyl-containing group which is bonded to primary and/or secondary hydroxyl groups on a saccharide, preferably a long chain (C.sub.3 -C.sub.20) allyl-containing ether group on the hydroxyl group; and one or monomers selected from methacrylate ester monomers, acrylate ester monomers, acrylamide monomers and styrene monomers, in amounts sufficient to produce a polymer exhibiting enhanced thermal stability. Polymers having enhanced thermal stability are obtained using a monomer comprising an allyl-containing group which is bonded to primary and/or secondary hydroxyl groups on a saccharide, as a novel stabilization crosslinking agent. In addition, a method of using non-crosslinking sucrose-based monomers, preferably having a methyl, alkyl or crotyl ether on at least one of the hydroxyl groups of sucrose, in polymerization processes, and non-crosslinked polymers having enhanced thermal stability obtained using these non-crosslinking sucrose-based additives are provided.
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F. Ju Redford
Litt Morton H.
Sachinvala Navzer D.
Hawaii Agriculture Research Center
Nagumo Mark
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