.alpha.-fluoroacrylic acid esters and polymers thereof

Details .alpha.-fluoroacrylic acid esters and polymers thereof .alpha.-fluoroacrylic acid esters and polymers thereof

1992-02-18

1993-03-30

Schofer, Joseph L.

Optical: systems and elements

Having significant infrared or ultraviolet property

Lens, lens system or component

359642, 385143, 385145, 526245, G02B 300

Patent

active

051989255

ABSTRACT:
Esters of .alpha.-fluoroacrylic acid are accessible by hydrolysis of an .alpha.-hydroxymethyl-.alpha.-fluoromalonic acid ester, decarboxylation and dehydration of the hydrolysis product and subsequent esterification of the resulting .alpha.-fluoroacrylic acid with an alcohol. The esters are polymerizable and are suitable for use as a starting material for preparing fluoropolymers which in turn are usable as materials for manufacturing transparent articles. The polymers are high-molecular and non-crystalline and have softening temperatures of above 100.degree. C.

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Abstract: 93:150886c-Transparent poly(phenyl d-fluorocarbylate-'80.

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