General Electric Company

Frank J Traver

Raymond J Thimineur

Duane F Merrill

Edgar D Brown, Jr

Virginia M Van Valkenburgh

William J Raleigh

Bianca K Thayer

Alan Ritzer

Luisito A Tolentino

James E Doin

James H Merrifield

Anthony J Dallavia, Jr

Prakash K Pawar

Robert G Stank

Gordon T Van Vleck

Edward T Simoneau

Simon M John

Timothy J Cietek

Jeffrey H Wengrovius

Shaow B Lin

Roy M Griswold

Wen P Liao

James L Derudder

I-Chung W Wang

Peter M Miranda

An-Li Kuo

Warren R Lampe

Anthony A Zotto

Virginia V Powell

Bruce B Hardman

Kimberlie A Schryer

Kimberley J Lane

Kuo-Tsai G Lai

Stephen Dong

James F Warrenchak

Kimberley Jo Lane

Virgina M Van Valkenburgh

Gordon T VanVleck

A silicone pressure sensitive adhesive composition containing the condensation product of a silanol-functional silicone resin, wherein the resin contains M structural units according to the formula RSiO, wherein R is a monovalent hydrocarbon radical, and Q structural units according to the formula SiOin a ratio of M units to Q units of less than 1.1:1, a silanol-functional polydiorganosiloxane gum, and a crosslinker exhibits high tack and high lap shear strength.

Silicone pressure sensitive adhesive composition

A method for preparing a silicone emulsion, more particularly a method for preparing a silicone emulsion with a low cyclic siloxane level and particle size control.

Emulsion polymerization process

A silicone emulsion useful as a component in hair care compositions In a first aspect of the present invention, a silicone emulsion comprises the product of a base catalyzed reaction of an aqueous emulsion of a hydroxy end-stopped polyorganosiloxane and an aminofunctional silane according to the structural formula: ##STR1## wherein: R.sup.1 and R.sup.2 are each independently H, alkyl, or an aminoalkyl group according to the structural formula: ##STR2## and wherein: R.sup.4, R.sup.5 and R.sup.6 are each independently (C.sub.1 -C.sub.12)alkyl or (C.sub.2 -C.sub.8)alkoxy, provided that at least two of R.sup.4, R.sup.5 and R.sup.6 are each (C.sub.2 -C.sub.8)alkoxy;

Aminofunctional silicone emulsion

A method, composition and article of manufacture for an antifoam emulsion composition suitable for use in laundry detergents encapsulated by the reaction product of an alkylalkoxysilane and a silicone condensation cure catalyst.

Antiform delivery system

Organic pressure-sensitive adhesive and silicone pressure-sensitive adhesive composites have improved shear strength upon the addition of a silicone cross-linking agent.

Silicone adhesive and organic adhesive composites

A personal care composition is provided, composing (A) an effective amount of a polyalkylsiloxane copolymer having a melting point of from about -40.degree. C. to about +40.degree. C., and being selected from various specific polyalkylsiloxane copolymer fluids or polyalkylsiloxane copolymer resins; and (B) a cosmetically acceptable carrier medium, wherein the polyalkylsiloxane copolymer contains mixtures of linear lower alkyl side chains and linear higher alkyl side chains or mixtures of linear alkyl side chains and branched alkyl side chains. The polyalkylsiloxane copolymers used in the composition are fluids or soft waxes at body temperature and have improved application and payout and better substantivity and hair conditioning properties.

Personal care compositions containing polyalkylsiloxane copolymers

A method for polymerizing polysilicone precursors via emulsion polymerization to yield transparent oil in water polysilicone microemulsions suitable for personal care applications is disclosed.

Method of preparing microemulsions

A personal care composition is provided, comprising (A) an effective amount of a polyalkylsiloxane copolymer having a melting point of from about -40.degree. C. to about +40.degree. C., and being selected from various specific polyalkylsiloxane copolymer fluids of polyalkylsiloxane copolymer resins; and (B) a cosmetically acceptable carrier medium, wherein the polyalkylsiloxane copolymer contains mixtures of linear lower alkyl side chains and linear higher alkyl side chains or mixtures of linear alkyl side chains and branched alkyl side chains. The polyalkylsiloxane copolymers used in the composition are fluids or soft waxes at body temperature and have improved application and payout and better substantivity and hair conditioning properties.

A personal care composition is provided, comprising (A) an effective amount of a polyalkylsiloxane copolymer having a melting point of from about -40.degree. to about +40.degree. C., and being selected from various specific polyalkylsiloxane copolymer fluids or polyalkylsiloxane copolymer resins; and (B) a cosmetically acceptable carrier medium, wherein the polyalkylsiloxane copolymer contains mixtures of linear lower alkyl side chains and linear higher alkyl side chains or mixtures of linear alkyl side chains and branched alkyl side chains. The polyalkylsiloxane copolymers used in the composition are fluids or soft waxes at body temperature and have improved application and payout and better substantivity and hair conditioning properties.

Siloxane fluids containing novel siloxane polymers prepared from mixtures of disilanes, disiloxanes and silylmethylenes, and a method for recovering fully alkylated linear and cyclic siloxanes with disilane, disiloxane and silylmethylene bonds, such as from methylchlorosilane residue cleavage bottoms, are disclosed.

Siloxane fluid from methylchlorosilane residue waste

A personal care composition is provided, comprising (A) an effective amount of a polyalkylsiloxane copolymer having a melting point of from about -40.degree. C. to about +40.degree. C., and being selected from various specific polyalkylsiloxane copolymer fluids or polyalkylsiloxane copolymer resins; and (B) a cosmetically acceptable carrier medium, wherein the polyalkylsiloxane copolymer contains mixtures of linear lower alkyl side chains and linear higher alkyl side chains or mixtures of linear alkyl side chains and branched alkyl side chains. The polyalkylsiloxane copolymers used in the composition are fluids or soft waxes at body temperature and have improved application and payout and better substantivity and hair conditioning properties.

The present invention provides a liquid silicone ester having a melting point of up to about 30.degree. C., and comprising (A) units of the general formula R.sub.a R.sup.E.sub.b SiO.sub.[4-(a+b)]/2 or (B) R.sub.x R.sup.E.sub.y SiO.sub.1/2 units and SiO.sub.4/2 units; R.sup.E being an ester-containing organic group. The silicone ester is liquid at ambient skin temperature and has improved workability, improved payout, improved emollient properties, greater solubility in organic compounds, greater substantivity to surfaces and improved water resistance.

Liquid silicone esters

A method is provided for preparing an amino-functional polyorganosiloxane microemulsion having an average particle size of from about 0.015 to about 0.05 microns by (A) forming an oil mixture by blending (1) an amino-functional polyorganosiloxane and (2) at least one surfactant, wherein at least one of the surfactants is insoluble in the amino-functional polyorganosiloxane; (B) dropwise adding an initial portion of water to the oil and surfactant mixture prepared in step (A), agitating the mixture formed in step (B) for a period of time sufficient to form a homogeneous mixture; (C) adding water to the homogeneous mixture formed in (B); and (D) adding a lower aliphatic carboxylic acid having from 1 to about 4 carbon atoms or a mineral acid selected from HCl, H.sub.2 SO.sub.4, HNO.sub.3, HBr, or Hl to the mixture formed in (C) in an amount sufficient to provide the mixture with a pH of from about 4 to about 7, the acid reacting with the amino-functional polyorganosiloxane (A)(1) to form a water-soluble salt. Also provided herein are the amino-functional polyorganosiloxane microemulsion formed by the method of the invention and hair care compositions containing the amino-functional polyorganosiloxane microemulsion.

Growing community of inventors

Troy, NY, United States of America

Frank J Traver