Organoclay materials

Details Organoclay materials Organoclay materials

1987-08-03

1988-06-21

Clingman, A. Lionel

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308N, 241 16, 252 88, C04B 1400

Patent

active

047523425

ABSTRACT:
Organoclay materials formed by reacting smectite clays with a quaternary ammonium compound are improved by controlling the pH of the reaction mixture, typically to a value in the range 8 to 10, and preferably 9.0.+-.0.5, and by including in the reaction mixture a further substance, such as urea or sulphamic acid, having an unsubstituted or substituted amino or amido group.

REFERENCES:
patent: 3936537 (1976-02-01), Baskerville, Jr. et al.
patent: 4292035 (1981-09-01), Battrell
patent: 4308151 (1981-12-01), Cambre
patent: 4374203 (1983-02-01), Thompson et al.
patent: 4473407 (1984-09-01), Thompson, III et al.
patent: 4569923 (1986-02-01), Knudson, Jr. et al.

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