CA2021013A1 - Dispersible silicone wash and rinse cycle antifoam formulations - Google Patents

Dispersible silicone wash and rinse cycle antifoam formulations

Info

Publication number
CA2021013A1
CA2021013A1 CA2021013A CA2021013A CA2021013A1 CA 2021013 A1 CA2021013 A1 CA 2021013A1 CA 2021013 A CA2021013 A CA 2021013A CA 2021013 A CA2021013 A CA 2021013A CA 2021013 A1 CA2021013 A1 CA 2021013A1
Authority
CA
Canada
Prior art keywords
primary
antifoam
laundry detergent
antifoam agents
dispersing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2021013A
Other languages
French (fr)
Other versions
CA2021013C (en
Inventor
Michael S. Starch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning Corp filed Critical Dow Corning Corp
Publication of CA2021013A1 publication Critical patent/CA2021013A1/en
Application granted granted Critical
Publication of CA2021013C publication Critical patent/CA2021013C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0026—Low foaming or foam regulating compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones

Abstract

A dispersible silicone antifoam composition for providing controlled foaming laundry detergent formulations effective in both the wash and the rinse cycles of a washing machine. The antifoam includes a non-aqueous emulsion of primary and secondary silicone antifoam agents, at least one nonionic silicone surfactant for emulsifying the primary and secondary antifoam agents in a solvent, a first organic surfactant dispersing agent for assisting in dispersing the emulsified primary and secondary antifoam agents in the laundry detergent and a second dispersing agent of a nonionic difunctional block-copolymer terminating in primary hydroxyl groups for further assisting in dispersing the emulsified primary and secondary antifoam agents in the laundry detergent.
CA002021013A 1989-08-07 1990-07-12 Dispersible silicone wash and rinse cycle antifoam formulations Expired - Fee Related CA2021013C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/390,150 US4978471A (en) 1988-08-04 1989-08-07 Dispersible silicone wash and rinse cycle antifoam formulations
US390,150 1989-08-07

Publications (2)

Publication Number Publication Date
CA2021013A1 true CA2021013A1 (en) 1991-02-08
CA2021013C CA2021013C (en) 1999-11-16

Family

ID=23541290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002021013A Expired - Fee Related CA2021013C (en) 1989-08-07 1990-07-12 Dispersible silicone wash and rinse cycle antifoam formulations

Country Status (8)

Country Link
US (1) US4978471A (en)
EP (1) EP0412650B1 (en)
JP (1) JP2756352B2 (en)
KR (1) KR970011349B1 (en)
AU (1) AU645754B2 (en)
CA (1) CA2021013C (en)
DE (1) DE69027487T2 (en)
ES (1) ES2091798T3 (en)

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JP2756352B2 (en) 1998-05-25
EP0412650A2 (en) 1991-02-13
EP0412650B1 (en) 1996-06-19
US4978471A (en) 1990-12-18
CA2021013C (en) 1999-11-16
AU6016390A (en) 1991-02-07
JPH03137199A (en) 1991-06-11
AU645754B2 (en) 1994-01-27
ES2091798T3 (en) 1996-11-16
KR910004788A (en) 1991-03-29
DE69027487T2 (en) 1997-01-23

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