Method of forming polymer particles

Details Method of forming polymer particles Method of forming polymer particles

1980-08-11

1984-01-03

Guynn, Herbert B.

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

Synthetic resins

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

252 85C, 525 61, 536 88, C08J 324

Patent

active

044243022

ABSTRACT:
A process for forming polymeric particles from water-soluble polymers by introducing the polymer into an aqueous salt solution in which the salt is of a composition and present in an amount sufficient to inhibit solubilization of the polymer therein and subsequently introducing into the aqueous medium a multifunctional reagent and mixing said aqueous medium for a time and at a temperature sufficient to cause reaction between the polymer and the reagent. The resultant solid polymer is readily recovered.

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patent: 3461115 (1969-08-01), Schwarzer
patent: 3727688 (1973-04-01), Clampitt
patent: 3727689 (1973-04-01), Clampitt
patent: 3909423 (1975-09-01), Hessert et al.
patent: 4272470 (1981-06-01), Hsu et al.
patent: 4309535 (1982-01-01), Majewicz

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