Purification of poly(n-vinylcarbazole) containing impurities

Details Purification of poly(n-vinylcarbazole) containing impurities Purification of poly(n-vinylcarbazole) containing impurities

1988-12-01

1991-01-22

Teskin, Fred

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

Synthetic resins

Treating polymer containing material or treating a solid...

528493, 526259, C08F 600

Patent

active

049872206

ABSTRACT:
Poly-N-vinylcarbazole containing impurities is purified by a process in which the poly-N-vinylcarbazole to be purified is treated in a suitable apparatus at from 20.degree. to 150.degree. C. with an extracting agent.

REFERENCES:
patent: 2072465 (1937-03-01), Reppe et al.
patent: 2877216 (1959-03-01), Fientscher et al.
patent: 3313746 (1967-04-01), Ellinger
patent: 3679637 (1972-07-01), Hort
Polymer Journal, vol. 20, Jul. 7, 1979 pp. 533-539.
J. Appl. Chem., 9, Oct. 1959, pp. 553.

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