Process for hydrolyzing and neutralizing a crosslinked polymer o

Details Process for hydrolyzing and neutralizing a crosslinked polymer o Process for hydrolyzing and neutralizing a crosslinked polymer o

1995-05-16

1996-05-28

Lipman, Bernard

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

Synthetic resins

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

5253276, 5253278, C08F 812

Patent

active

055212565

ABSTRACT:
A process for hydrolyzing and neutralizing a crosslinked polymer of maleic anhydride and a C.sub.1 -C.sub.5 alkyl vinyl ether, and, optionally a hydrophobic monomer, in anhydride form substantially instantaneously in water at room temperature, which comprises reacting about 0.1-4% by weight of the crosslinked polymer in water at room temperature with ammonium hydroxide base, with stirring, to form a gel solution.

REFERENCES:
patent: 3684776 (1972-08-01), Field et al.
patent: 4517329 (1985-05-01), Mottus
patent: 5178143 (1993-01-01), Kwak et al.

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