Crystallizable controlled composition interpolymers of vinyliden

Details Crystallizable controlled composition interpolymers of vinyliden Crystallizable controlled composition interpolymers of vinyliden

1981-05-11

1982-09-28

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 87, 526317, 5263293, 5263294, C08F 222, C08F21408

Patent

active

043519296

ABSTRACT:
Crystallizable, controlled composition interpolymers consisting essentially of (a) from about 88 to about 92 mole percent vinylidene chloride, (b) from about 8 to about 12 mole percent methyl methacrylate, and (c) up to about 3 weight percent, based on the combined weight of (a) and (b), of one or more ethylenically unsaturated comonomers; such interpolymers having a relative viscosity of at least about 1.40.degree. at 25.degree. C. as a 1 percent solution in tetrahydrofuran and being capable of forming substantially haze-free solutions when present in an amount of about 20 percent solids in a solvent mixture consisting of 65 percent by weight tetrahydrofuran and 35 percent by weight toluene.

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