Polymers with high transparency and refractive index and process

Details Polymers with high transparency and refractive index and process Polymers with high transparency and refractive index and process

1973-03-13

1977-05-10

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

20415922, 526218, 526232, 526321, C08F22202

Patent

active

040229602

ABSTRACT:
Disclosed are polymers of metal salts of itaconic acid monoester and copolymers of the said metal salts with vinyl monomer, having excellent optical properties such as high refractive index and transparency. The polymers and copolymers are obtained by irradiating with radioactive rays a polymerizable ingredient which is one member selected from the group consisting of (1) one metal salt of itaconic acid monoester, (2) a mixture of two or more metal salts of itaconic acid monoester and (3) a mixture of at least one metal salt of itaconic acid monoester with vinyl monomer. Further, a polymerizable ingredient prepared by adding to the aforementioned polymerizable ingredient a polymerization catalyst is subjected to thermal treatment to produce a polymer.

REFERENCES:
patent: 2044968 (1936-06-01), Bruson
patent: 2087999 (1937-07-01), Salzberg
patent: 2151432 (1939-03-01), Lyons et al.
patent: 2279882 (1942-04-01), D'Alelio
patent: 2754280 (1956-07-01), Brown
patent: 2852495 (1958-09-01), Hunsucker
patent: 2940957 (1960-06-01), Herman
patent: 3264272 (1966-08-01), Rees
Chem. Abs., vol. 70, No. 116314e (1969).

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