Rheological control of polyester-styrene resin compositions by a

Details Rheological control of polyester-styrene resin compositions by a Rheological control of polyester-styrene resin compositions by a

1983-06-07

1984-09-25

Jacobs, Lewis T.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

523508, C09C 100

Patent

active

044734077

ABSTRACT:
An organoclay functional as a rheological modifier for control of the viscosity and thixotropy of polyester-styrene compositions is prepared by a dry process wherein a quaternary ammonium salt is reacted with unfractionated smectite in an aqueous dispersion thereby eliminating the fractionating step required in the typical prior art wet process as exemplified by U.S. Pat. No. 4,240,951 and permitting the preparation of the organoclay rheological modifier to be carried out at a high solids content thereby reducing drying costs in the recovery of the product organoclay.

REFERENCES:
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patent: 4215031 (1980-07-01), Payne
patent: 4216135 (1980-08-01), Finlayson
patent: 4365030 (1982-12-01), Oswald et al.
patent: 4412018 (1983-10-01), Finlayson et al.

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