Method for production of water-absorbent resin and...

Details Method for production of water-absorbent resin and... Method for production of water-absorbent resin and...

2007-10-30

2007-10-30

Teskin, Fred (Department: 1713)

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

Synthetic resins

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

C525S329700, C525S330200, C526S930000, C528S50200C

Reexamination Certificate

active

10854881

ABSTRACT:
A method for mixing a water-absorbent resin and a surface cross-linking agent-containing solution to repress aggregates is equipped. The water-absorbent resin and the surface cross-linking agent-containing solution is mixed with a plow-shaped mixing device which is equipped with an inner wall formed of material manifesting an interfacial contact angle of not less than 60° to water and possessing a temperature of heat distortion of not lower than 70° C., a plow-shaped stirring vane and a disintegrating blade.

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