Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-09-12
1992-05-05
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525903, C08L 3904, C08L 6302, C08L 6304
Patent
active
051108674
ABSTRACT:
Polymeric materials comprising an interpenetrating network (IPN) prepared from allyl polymers and epoxy resins. The allyl polymers are crosslinked under the influence of a radical initiator, the epoxy resin is crosslinked by a curing agent. The curing agent is a cyclic anhydride containing a polymerizable double bond. The two networks are interlinked as a result of the double bond being involved in the curing reaction of the allyl polymers. The cyclic anhydride preferably is maleic anhydride. Preferred IPN's are prepared form triallylcyanurate or triallylisocyanurate-based allyl polymers and phenol-type epoxy resin.
REFERENCES:
patent: 2707177 (1955-04-01), Skiff et al.
patent: 3291857 (1966-12-01), Howerton
patent: 4468485 (1984-08-01), Gourdenne et al.
patent: 4957981 (1990-09-01), Schutyser et al.
Buser Antonius J. W.
Schutyser Jan A. J.
Slots Hendrik J.
Zuuring Pieter H.
Akzo NV
Bleutge John C.
Morris Louis A.
Sellers II Robert E. L.
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