Sulphonated polyarylethersulphone copolymers

Details Sulphonated polyarylethersulphone copolymers Sulphonated polyarylethersulphone copolymers

1979-08-21

1981-06-16

Lee, Lester L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528174, 528175, 2105002, C08G 6540, C08G 7523

Patent

active

042739039

ABSTRACT:
A polyarylethersulphone copolymer which is a hydrophilic sulphonated copolymer derived by controllably sulphonating a copolymer having the repeat unit of formula ##STR1## together with the repeat unit B of formula ##STR2## substantially all the units A being sulphonated after sulphonation and substantially all the units B remaining non-sulphonated after sulphonation. The sulphonation is effected using 98% w/w sulphuric acid.

REFERENCES:
patent: 3663509 (1972-05-01), Bonnard et al.
patent: 3709841 (1973-01-01), Quentin
patent: 3875096 (1975-04-01), Graefe et al.
patent: 4010147 (1977-03-01), Rose
patent: 4054707 (1977-10-01), Quentin
patent: 4105635 (1978-08-01), Freeman
Houben-Weyls, Methoden der Organischen Chemie, 4th Edition, vol. IX, 1955.
G. Thieme Verlag, Stuttgart, pp. 460-471.
W. Foerst, Ullmanns Encyklopadie der Technischen Chemie, 3rd Edition, vol. 14, 1963.
Urban and Schwarzenberg, Munchen, Berlin, pp. 595-597.

Affiliated with

Also associated with

Rating

Sulphonated polyarylethersulphone copolymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sulphonated polyarylethersulphone copolymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sulphonated polyarylethersulphone copolymers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-156124