Interpolymers having color and heat stability as well as oxygen

Details Interpolymers having color and heat stability as well as oxygen Interpolymers having color and heat stability as well as oxygen

1988-12-12

1990-07-31

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525309, 525317, 5263184, 526343, 5263294, C08F21408, C08F11108

Patent

active

049451340

ABSTRACT:
The polymers of ethylenically unsaturated monomers exhibit a greater degree of clarity and a greater degree of heat stability than do vinylidene chloride copolymers but do not have the barrier properties of vinylidene chloride copolymers. The present invention is an emulsion polymerized interpolymer, which provides both clarity and low oxygen permeability to applications where such properties are required of a polymer, having two miscible phases, which comprises (a) a first phase of an effective amount of at least one ethylenically unsaturated monomer and (b) a second phase of an effective amount of vinylidene chloride monomer and at least one ethylenically unsaturated comonomer wherein the first phase and the second phase are miscible.

REFERENCES:
patent: 3832335 (1974-08-01), Bayer
patent: 3859384 (1975-01-01), Carty et al.

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