Monomer of carbonate ester having isopropenylphenyl group

Details Monomer of carbonate ester having isopropenylphenyl group Monomer of carbonate ester having isopropenylphenyl group

1989-06-06

1990-12-25

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

548231, 526301, 560357, C07L27108

Patent

active

049804979

ABSTRACT:
Polyfunctional monomers are disclosed that yield transparent resins having high transparency and excellent surface hardness and heat resistance. The present polyfunctional monomers are represented by the general formula (I): ##STR1## wherein R represents a group having a carbamido group or an oxazolidone group that will be bonded to the dimethylbenzyl group of the formula (I) and an acryl group or methacryl group at the other end. Control of the polymerization of the polyfunctional monomers is easy, and polymerization of the polyfunctional monomers yield and resins having excellent surface hardness, heat resistance, and workability, and having high transparency. The resins are well adapted for use as glazing materials, optical lenses, and optical disc substrates.

REFERENCES:
patent: 2958704 (1960-11-01), Dinbergs et al.
patent: 4279833 (1981-07-01), Culbertson
patent: 4504628 (1985-03-01), Johnson
patent: 4604439 (1986-08-01), Colvin et al.
patent: 4633010 (1986-12-01), Sinch et al.

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