Polyvinyl halide ionomers

Details Polyvinyl halide ionomers Polyvinyl halide ionomers

1990-07-16

1993-07-13

Lipman, Bernard

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

Synthetic resins

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

5253288, 5253295, 5253302, 525353, 525366, 525367, 525368, 525369, 526318, C08F 842

Patent

active

052273903

ABSTRACT:
A polyvinyl halide ionomer which contains in the polymer backbone at least one vinyl halide monomer in polymerized form or at least one vinyl halide monomer and at least one other monomer copolymerizable with vinyl chloride and less than 50% by weight of the ionomer a comonomer containing at least one ester group and at least one neutralized carboxyl group. The ionomer is prepared by neutralizing, preferably in a molten state, a functionalized vinyl halide copolymer containing pendant carboxyl groups. The ionomer has outstanding adhesion to metals and its glass transition temperature is higher than the carboxyl vinyl halide copolymer.

REFERENCES:
patent: 2605254 (1952-07-01), Wolf
patent: 2731449 (1956-01-01), Rowland, Jr.
patent: 3166534 (1965-01-01), Perrins
patent: 3950312 (1976-04-01), Kurz
patent: 4113792 (1978-09-01), Pastor et al.

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