Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-01-31
1996-08-06
Zemel, Irina
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525250, 525288, 525268, 525323, C08F 842, C08F25500
Patent
active
055434584
ABSTRACT:
A graft block copolymer is comprised of a completely saturated olefinic backbone with pendant anionic polymer side chains. The polymer is produced by copolymerizing an .alpha.-olefin with a monomer which contains a functional group which can be metallated so an anionic monomer can be polymerized therefrom, metallating the copolymer by reaction with metal alkyl or aryl compound and a metallation activator, and growing anionic polymer side chains from the copolymer backbone by reacting an anionically polymerized monomer with the metallated copolymer.
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DuBois Donn A.
Hoxmeier Ronald J.
Job Robert C.
Spence Bridget A.
Haas Donald F.
Shell Oil Company
Zemel Irina
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