Polyarylene ether-organopolysiloxane copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525396, 525397, 525474, 525476, 525905, C08G 6548

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active

053859847

ABSTRACT:
Polyarylene ether-organopolysiloxane copolymers are provided having amine, or ester connecting linkages between blocks resulting from the melt extrusion of epoxy, carboxy or amine functionalized polyarylene ether with epoxy, carboxy or amine functionalized organopolysiloxane.

REFERENCES:
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patent: 4656405 (1987-04-01), Kiya et al.
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patent: 5109067 (1992-04-01), Dae et al.
patent: 5177156 (1993-01-01), Aritomi et al.
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Abstract-Jpn. Kokai Tokkyo Koho JP 4 80,231 [92 80,231] (CA 117 27558, 1992) Reaction of epoxy-terminated (epichlorohydrin-capped) PPO with triethylenetetraamine. p. 30.
Abstract-Jpn. Kokai Tokkyo Koho JP 04 68,024 [92 68 024] (CA 117 49492, 1992) Reaction of PPO with 2,4-toluenediisocyanate followed by reaction with base. p. 16.
Abstract-EP 476,619 (Mitsubishi Petrochem., 1992) (CA 117 112310, 1992) Reaction of PPO-OH end groups with alpha-chloro, omega-aminoalkane. p. 16.
Abstract-Ger. Offen. 2,107,726 (1972) (CA 77 20760, 1972) Reaction of vinyl-containing polydimethyl siloxane with PPO. p. 58.
Abstract-Jpn. Kokai Tokkyo Koho JP 59,222,203 [84,222,203] (CA 102 167974, 1985) Reaction of brominated PPO with gamma-aminopropyl-terminated polydimethyl siloxane in DMF. p. 61.
Abstract-Jpn. Kokai Tokkyo Koho JP 621,252,214 [86 252,214] CA 106 214642, 1987) Metallation of PPO using BuLi/TMEDA followed by quenching with chloro-termianted siloxane. There are several additional patents and publications which describe minor variations on this method. p. 17.
Abstract-Polym. Bull. 2219, 103 (1988) (CA 108 187389, 1988) Reaction of PPO-OH end-groups with silylamine-terminated polydimethyl siloxane. p. 7.
Abstract-EP 433,746 (1991/Ge) CA 115 72529, 1991) Hydrosilation of allyl-functionalized PPO using hydride-terminated polydimethyl siloxane. p. 22.
Abstract-Jpn. Kokai Tokkyo Koho JP 04 76,051 [92 76,051] (CA 117 172770, 1992) Reaction of PPO-OH end groups with gamma-epoxypropyl-termethoxysilane in the presence of base (Note this is not a polysiloxane). pp. 49-50.

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