Maleic anhydride-modified polymers and process for preparation t

Details Maleic anhydride-modified polymers and process for preparation t Maleic anhydride-modified polymers and process for preparation t

1982-06-18

1985-03-19

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525244, 525255, 525256, 525259, 525261, 525263, 525264, 525265, 525260, 525273, 525285, 525301, 524531, C08F25500, C08F26300, C08F25904, C08F27902

Patent

active

045060568

ABSTRACT:
A process for the preparation of carboxyl-containing polymers comprising mixing together maleic anhydride, a free radical initiator, an additive which inhibits the homopolymerization of maleic anhydride but not that of methyl methacrylate below about 100.degree. C. and a polymer, above its melting point, in the absence of a solvent. The process yields anhydride-containing polymers without the substantial crosslinking or degradation which characterize the process in the absence of the additive.

REFERENCES:
patent: 3432577 (1969-03-01), Serniuk
patent: 3646165 (1972-02-01), Favie et al.
patent: 3868433 (1975-02-01), Bartz
patent: 3886234 (1975-05-01), Ishihara et al.
patent: 4146590 (1979-03-01), Yamamoto et al.
patent: 4358564 (1982-11-01), Ames
patent: 4382128 (1983-05-01), Li

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