Comb-shaped graft copolymers of allyl terminated macromolecular

Details Comb-shaped graft copolymers of allyl terminated macromolecular Comb-shaped graft copolymers of allyl terminated macromolecular

1990-03-27

1992-04-28

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...

525925, 526263, 526265, 5262929, 5263075, 526308, 5263185, 5263296, 526333, 568614, 568616, C08F28306, C08F21602, C08F21612

Patent

active

051090759

ABSTRACT:
A copolymer of an olefinically unsaturated monomer and an allylically headed macromolecular monomer ("macromer") of a ring-openable cyclic ether ("CE") is prepared as a comb-shaped graft copolymer of macromer. A wide variety of olefinically unsaturated monomers may be used to form the copolymer. The macromer, having an allylic group near one end and a hydroxyl group at the other, is first produced by cationic ring-opening polymerization of the CE in conjunction with an unsaturated alcohol (propagator) having an allyl double bond. The polymerization to form the graft copolymer proceeds either by free radical polymerization or by metathesis polymerization. The graft copolymer of macromer has a hydrocarbon backbone and pendant chains of polymerized CE, each pendant chain terminating with an OH group.

REFERENCES:
patent: 4122056 (1978-10-01), Ramlow
patent: 4256910 (1981-03-01), Hsu
patent: 4424311 (1984-01-01), Nagaoka
patent: 4500693 (1985-02-01), Takehara
patent: 4540742 (1985-09-01), Okamoto
patent: 4680358 (1987-07-01), Yu
patent: 4722978 (1988-02-01), Yu

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