Process for the preparation of clay mineral-containing gels with

Details Process for the preparation of clay mineral-containing gels with Process for the preparation of clay mineral-containing gels with

1984-10-25

1986-07-15

Michl, Paul R.

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...

524448, C08K 334

Patent

active

046007440

ABSTRACT:
The invention relates to a process for the preparation of clay mineral-containing gels with stabilized structure and reversible water absorption ability.
According to the invention an aqueous suspension containing a thixotropic, activated, swelling clay mineral of three-layer structure and/or a swelling chain silicate is treated with a water soluble polymer capable of reacting with the clay mineral and/or chain silicate, the clay mineral:polymer:water ratios are determined at which the resistance of medium of the resulting suspension is at least ten times higher than that of the initial, polymer-free suspension, and then the components are reacted with each other in the pre-determined ratios.

REFERENCES:
patent: 3687846 (1972-08-01), Lang
patent: 3759729 (1973-09-01), Fahn
patent: 4351754 (1982-09-01), Dupre
patent: 4480067 (1984-10-01), Vio
patent: 4500670 (1985-02-01), McKinley
patent: 4503170 (1985-03-01), Drake

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