Water soluble block polymers

Details Water soluble block polymers Water soluble block polymers

1982-12-29

1985-01-08

Ziegler, Jacob

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525271, 525314, C08L 5100

Patent

active

044927851

ABSTRACT:
The present invention relates to viscosification agents for water which are diblock polymers of t-butylstyrene/metal styrene sulfonate and triblock polymers of t-butylstyrene/metal styrene sulfonate/t-butylstyrene.

REFERENCES:
patent: 3231635 (1966-01-01), Holden et al.
patent: 3925280 (1975-12-01), Lundberg et al.

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