GB2257709B - Silicone foam control agent - Google Patents

Silicone foam control agent

Info

Publication number
GB2257709B
GB2257709B GB9214590A GB9214590A GB2257709B GB 2257709 B GB2257709 B GB 2257709B GB 9214590 A GB9214590 A GB 9214590A GB 9214590 A GB9214590 A GB 9214590A GB 2257709 B GB2257709 B GB 2257709B
Authority
GB
United Kingdom
Prior art keywords
control agent
foam control
silicone foam
silicone
agent
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.)
Expired - Fee Related
Application number
GB9214590A
Other versions
GB2257709A (en
GB9214590D0 (en
Inventor
Franck Andre Daniel Renauld
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 Belgium SPRL
Original Assignee
Dow Corning SA
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 SA filed Critical Dow Corning SA
Publication of GB9214590D0 publication Critical patent/GB9214590D0/en
Publication of GB2257709A publication Critical patent/GB2257709A/en
Application granted granted Critical
Publication of GB2257709B publication Critical patent/GB2257709B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/12—Polysiloxanes containing silicon bound to hydrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/70—Siloxanes defined by use of the MDTQ nomenclature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicon Polymers (AREA)
GB9214590A 1991-07-18 1992-07-09 Silicone foam control agent Expired - Fee Related GB2257709B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919115590A GB9115590D0 (en) 1991-07-18 1991-07-18 Improved silicone antifoam

Publications (3)

Publication Number Publication Date
GB9214590D0 GB9214590D0 (en) 1992-08-19
GB2257709A GB2257709A (en) 1993-01-20
GB2257709B true GB2257709B (en) 1995-03-15

Family

ID=10698609

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919115590A Pending GB9115590D0 (en) 1991-07-18 1991-07-18 Improved silicone antifoam
GB9214590A Expired - Fee Related GB2257709B (en) 1991-07-18 1992-07-09 Silicone foam control agent

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919115590A Pending GB9115590D0 (en) 1991-07-18 1991-07-18 Improved silicone antifoam

Country Status (5)

Country Link
JP (1) JPH05194861A (en)
CA (1) CA2074060A1 (en)
DE (1) DE4223644A1 (en)
FR (1) FR2679239B1 (en)
GB (2) GB9115590D0 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9315671D0 (en) * 1993-07-29 1993-09-15 Dow Corning Sa Foam control agents and their use
US5589449A (en) * 1993-07-29 1996-12-31 Dow Corning S.A. Particulate foam control agents
DE4444175A1 (en) * 1994-12-12 1996-06-13 Huels Silicone Gmbh Defoamer preparations based on siloxanes
GB9426236D0 (en) 1994-12-24 1995-02-22 Dow Corning Sa Particulate foam control agents and their use
ES2231122T3 (en) 1999-08-13 2005-05-16 Dow Corning S.A. SILICONE-BASED FOAM CONTROL AGENT.
ATE401945T1 (en) 1999-08-13 2008-08-15 Dow Corning Sa SILICONE FOAM REGULATOR
GB0610622D0 (en) 2006-05-31 2006-07-05 Dow Corning Process for making and using foam control compositions
DE102012207484A1 (en) 2012-05-07 2013-11-07 Wacker Chemie Ag Defoamer formulations containing organopolysiloxanes
US9815003B2 (en) 2015-09-28 2017-11-14 Wacker Chemical Corporation Silicone defoamer compositions
KR102245981B1 (en) 2017-06-06 2021-04-30 와커 헤미 아게 Antifoam formulation containing organopolysiloxane
JP7274508B2 (en) * 2018-11-28 2023-05-16 ワッカー ケミー アクチエンゲゼルシャフト Defoaming formulation containing organopolysiloxane
JP7228696B2 (en) 2018-11-28 2023-02-24 ワッカー ケミー アクチエンゲゼルシャフト Antifoam formulation containing organopolysiloxane
US12064711B2 (en) 2018-11-28 2024-08-20 Wacker Chemie Ag Defoaming formulations containing organopolysiloxanes
US11597802B2 (en) 2020-02-20 2023-03-07 Dow Silicones Corporation Foam control composition
CN111249773B (en) * 2020-02-24 2022-02-15 南京英伟莱新材料有限公司 Defoaming agent for producing glyphosate aqueous solution and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741861A (en) * 1985-02-25 1988-05-03 Shin-Etsu Chemical Co., Ltd. Silicone-based antifoam composition and a method for the preparation of the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5748307A (en) * 1980-09-05 1982-03-19 Toray Silicone Co Ltd Composition of defoaming agent
FR2624128B1 (en) * 1987-12-08 1990-07-20 Rhone Poulenc Chimie ANTI-MOUSSE COMPRISING AN MQ RESIN
JPH0779930B2 (en) * 1989-12-20 1995-08-30 ダウコーニングアジア株式会社 Silicone antifoam composition

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741861A (en) * 1985-02-25 1988-05-03 Shin-Etsu Chemical Co., Ltd. Silicone-based antifoam composition and a method for the preparation of the same

Also Published As

Publication number Publication date
GB2257709A (en) 1993-01-20
FR2679239A1 (en) 1993-01-22
DE4223644A1 (en) 1993-01-21
GB9115590D0 (en) 1991-09-04
CA2074060A1 (en) 1993-01-19
GB9214590D0 (en) 1992-08-19
FR2679239B1 (en) 1993-11-26
JPH05194861A (en) 1993-08-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000709