Optical material

Details Optical material Optical material

1985-11-20

1986-10-07

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526245, C08F21002, G02B 514

Patent

active

046155848

ABSTRACT:
This invention relates to an optical material comprising a polymer which has a structural unit represented by the formula ##STR1## wherein X.sup.1 and X.sup.2 are the same or different and are each hydrogen or deuterium, and R.sup.1 is a chain hydrocarbon group having 1 to 5 carbon atoms, a cyclic hydrocarbon group (with or without a substituted lower alkyl group) having 3 to 6 carbon atoms or a deuterium-substituted chain hydrocarbon group having 1 to 5 carbon atoms in an amount of at least 5 mole % of the polymer.

REFERENCES:
patent: 2956939 (1960-10-01), Anspon
patent: 3993834 (1976-11-01), Chimura et al.
patent: 4138194 (1979-02-01), Beasley et al.
patent: 4297466 (1981-10-01), Bloch et al.

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