Polymer composition

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525195, 5253302, C08L 8300

Patent

active

047539925

ABSTRACT:
A crosslinkable composition comprising (A) a silyl polymer, for example an ethylene/vinyl trimethoxy silane copolymer, and (B) a silanol condensation catalyst which is an organic polymer having its polymer chains bridged by dihydrocarbyl tin (IV) containing units of the formula .O.SnR.sup.1 R.sup.2 O. Also disclosed are aliphatic alpha-olefin/unsaturated carboxyl compound copolymers containing similar dihydrocarbyl tin (IV) bridges. The compositions can be thermoformed into articles, e.g. cable insulation, and crosslinked by water treatment.

REFERENCES:
patent: 3792124 (1974-02-01), Davison et al.
patent: 3859266 (1975-01-01), Carlos et al.
patent: 4154774 (1979-05-01), Hinterwaldner

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