Particle size stable silicone emulsions

Details Particle size stable silicone emulsions Particle size stable silicone emulsions

1998-12-10

2000-07-11

Lovering, Richard D.

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Liquid composition

510242, 510245, 510284, 510347, 510466, 516 53, 516 58, 516 76, C11D 1700

Patent

active

060873175

ABSTRACT:
By using a nonionic surfactant as the primary emulsifier having an hydrophilic-lipophilic balance (HLB) greater than about 13, at a concentration sufficient to provide about 0.5-3 molecules per 100 square .ANG. of surface area of silicone particles; and a nonionic cosurfactant having an HLB less than about 11, at a concentration sufficient to provide 5-15 molecules of emulsifier per 100 square .ANG. of surface area of silicone particles; aqueous emulsions containing low molecular weight silicones can be prepared which possess improved particle size stability. In particular, the low molecular weight silicones have a molecular weight less than about 1,000, and a viscosity of not greater than about 5 mm.sup.2 /sec. These emulsions can be used in applications relating to laundry pre-spotting, automotive bug and tar removal, and hard surface cleaning.

REFERENCES:
patent: 2755194 (1956-07-01), Volkman
patent: 4784844 (1988-11-01), Thimineur
patent: 4999398 (1991-03-01), Graver et al.
patent: 5300286 (1994-04-01), Gee
patent: 5443747 (1995-08-01), Inada et al.
patent: 5684085 (1997-11-01), Gee et al.
patent: 6013683 (2000-01-01), Hill et al.
McCutcheon's vol. 1: Emulsifiers & Detergents 1993 North American Edition, (McCutcheon Division, MC Publishing Co., Glen Rock, NJ, USA, Copyright 1993) pp. 27 and 201, Jan. 1994.

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