Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-02-06
1987-12-22
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525101, 525105, 525106, 525342, 525453, 525455, C08L 8305, C08L 900
Patent
active
047147393
ABSTRACT:
Melt processable pseudointerpenetrating polymer networks (pseudo- or semi-IPNs) of silicones in thermoplastic matrices and methods of producing same are provided by vulcanizing the silicones within the matrices. The silicone component of the network is preferably the reaction product of a polymeric hydride group - containing silicone and a polymer containing at least one unsaturated group, preferably a vinyl group. The polymer containing unsaturated groups may be a silicone polymer also, or may be a non-silicone polymer such as a styrene, butadiene or urethane polymer or copolymer. Depending on certain parameters chain-extended (thermoplastic) or cross-linked (thermosetting) compositions are produced.
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Briggs Sr. Wilbert J.
Petrarch Systems Inc.
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