Silicon containing polyarylates

Details Silicon containing polyarylates Silicon containing polyarylates

1996-09-30

1998-10-13

Glass, Margaret W.

Stock material or miscellaneous articles

Composite

Of silicon containing

95 45, 95 47, 95 51, 95 53, 95 54, 96 13, 96 14, B32B 900, B01D 5322

Patent

active

058209921

ABSTRACT:
The present invention provides a process for preparing membranes using novel silicon containing polyarylates of Formula I ##STR1## where R.sub.1 to R.sub.8 represent hydrogen, alkyl groups containing 1 to 5 methylene group or halogen atoms, R.sub.9 and R.sub.10 represents alkyl groups containing 1 to 5 carbon atoms or CF.sub.3 group and R.sub.11 and R.sub.12 represent alkyl groups with 1 to 5 carbon atoms or phenyl groups.

REFERENCES:
patent: 3874986 (1975-04-01), Browall et al.
patent: 4243701 (1981-01-01), Riley et al.
patent: 4608060 (1986-08-01), Kulprathipanja

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