Silicon-containing copolymer and method of producing same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

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528 31, 528 34, C08G 7704

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active

055960626

ABSTRACT:
A silicon-containing copolymer is disclosed which has a number average molecular weight of 500-100,000 and which contains the following structural units (I)-(III): ##STR1## wherein R.sup.1, R.sup.2, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each represent an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkylamino group or an alkylsilyl group and and R.sup.3 and R.sup.8 each represent a divalent aromatic group. The copolymer is produced by reacting an organodihalosilane, a disilyl compound, a diamine and ammonia with each other.

REFERENCES:
patent: 3809713 (1974-05-01), Boersma et al.
patent: 5250648 (1993-10-01), Huggins
patent: 5268496 (1993-12-01), Geisberger

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