Polymers containing decahalopentacyclodecyl groups

Details Polymers containing decahalopentacyclodecyl groups Polymers containing decahalopentacyclodecyl groups

1982-02-25

1984-01-17

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264 11, 264 13, 526282, 560220, 564204, 568665, 568817, C08F 2024, C08F 2058

Patent

active

044265050

ABSTRACT:
New polymers are disclosed comprising recurring units of the formula ##STR1## wherein R is hydrogen or lower alkyl containing from 1 to 5 carbon atoms, L is a divalent linking group, and each X is independently chloro or bromo. The polymers are capable of providing a relatively high index of refraction in combination with a relatively high Abbe number and can be utilized as raw materials in the manufacture of plastic optical articles or elements such as lenses or prisms and in the manufacture of optical films and coatings.

REFERENCES:
patent: 2516404 (1950-07-01), McBee et al.
patent: 3738970 (1973-06-01), Cimino et al.
patent: 3816543 (1974-06-01), Creighton
Y. Okaya et al., Acta Crystallog. 22(1), 111-119, (1967).
R. G. Pews, Canadian J. of Chem., vol. 47, 1260-1262, (1969).
R. G. Pews et al., J. Org. Chem. 34(6), 2029-2030, (1969).
R. G. West et al., J.A.C.S., 90 (17), 4697-4701, (1968).

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