Water-repellent emulsion composition and process for the product

Details Water-repellent emulsion composition and process for the product Water-repellent emulsion composition and process for the product

1992-12-28

1995-07-11

Geist, Gary

Compositions

Preservative agents

Anti-corrosion

252314, 10628711, 10628734, 106 2, B01J 1300, C09K 300

Patent

active

054318521

ABSTRACT:
A water-repellent emulsion composition containing, as essential components, colloidal silica particles which are surface-treated with a silylating agent; a nonpolar organic solvent; a cationic surfactant; one or both of a fluorine-containing surfactant and a silicone-containing surfactant; and water, and being excellent in dispersion stability, water repellency and barrier properties against water absorption.

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patent: 4617057 (1986-10-01), Plueddemann
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patent: 4950502 (1990-08-01), Saam et al.
patent: 5001183 (1991-03-01), Sands et al.
patent: 5185037 (1993-02-01), Kaijou
DATABASE WPIL, Week 9231, Derwent Publications Ltd., London, GB; AN 92-253916 of JP-A-4 170 313 (IDEMITSU KOSAN CO., LTD.) 18 Jun. 1992 abstact .
DATABASE WPIL, Week 8340, Derwent Publications Ltd., AN 83-780575 of JP-A-58 145 614 (SHOKUBAI KASEI KOGYO), 30 Aug. 1983 abstract .
DATABASE WPIL, Week 7819, Derwent Publications, Ltd., London, GB; AN 78-34376A of JP-A-53 034 829 (TOKUYAMA SODA KK) 31 Mar. 1978 abstract .

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