Alkyl vinylidene cyanide polymers exhibiting nonlinear optical a

Details Alkyl vinylidene cyanide polymers exhibiting nonlinear optical a Alkyl vinylidene cyanide polymers exhibiting nonlinear optical a

1991-06-21

1993-05-11

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

522173, C08F22234

Patent

active

052101657

ABSTRACT:
This invention provides novel polymers containing alkyl vinylidene cyanide moieties that exhibit nonlinear optical and piezoelectric properties. The polymers have utility as media in optical devices.
An invention polymer is illustrated by the copolymer of the following structure: ##STR1##

REFERENCES:
patent: 4990584 (1991-02-01), Kishimoto et al.
patent: 5057588 (1991-10-01), East et al.
patent: 5061760 (1991-10-01), East et al.
T-F Way & H. K. Hall, Jr. (1990) Polym. Bull. 24(2), 151-156.
J. P. Montheard et al. (1991) Makromol. Chem. 192(2) 341-349 [published Feb. 1991-PTO:STIC].
Kharas, G. B. et al. (1989) Macromol 22, 3871-3877.
G. B. Kharas et al. (1988) Polym Preprints (ACS) 29, 180-181.
H. Gilbert et al. (1956) J. Am. Chem. Soc. 78, 1669-1675.

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