CA921352A - Antifoam composition - Google Patents

Antifoam composition

Info

Publication number
CA921352A
CA921352A CA120812A CA120812A CA921352A CA 921352 A CA921352 A CA 921352A CA 120812 A CA120812 A CA 120812A CA 120812 A CA120812 A CA 120812A CA 921352 A CA921352 A CA 921352A
Authority
CA
Canada
Prior art keywords
antifoam composition
antifoam
composition
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
Application number
CA120812A
Other languages
English (en)
Other versions
CA120812S (en
Inventor
Kermit W. Householder, Jr.
I. Doesburg Van
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
Application granted granted Critical
Publication of CA921352A publication Critical patent/CA921352A/en
Expired 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
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/04—Purifying; Deproteinising
    • 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
    • C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
    • C08L83/12—Block- or graft-copolymers containing polysiloxane sequences containing polyether sequences

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicon Polymers (AREA)
CA120812A 1971-05-17 1971-08-18 Antifoam composition Expired CA921352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14426471A 1971-05-17 1971-05-17

Publications (1)

Publication Number Publication Date
CA921352A true CA921352A (en) 1973-02-20

Family

ID=22507817

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120812A Expired CA921352A (en) 1971-05-17 1971-08-18 Antifoam composition

Country Status (11)

Country Link
US (1) US3785935A (it)
JP (1) JPS549144B1 (it)
AT (1) AT318547B (it)
AU (1) AU454366B2 (it)
BE (1) BE783524A (it)
CA (1) CA921352A (it)
CH (1) CH571881A5 (it)
FR (1) FR2137936B1 (it)
GB (1) GB1300030A (it)
IT (1) IT939051B (it)
NL (1) NL7206641A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE42854B1 (en) * 1975-06-13 1980-11-05 Ciba Geigy Ag Process for removing foam from aqueous systems
DE3048125A1 (de) * 1980-12-19 1982-07-15 Henkel KGaA, 4000 Düsseldorf "verwendung von polysiloxan-fettsaeurederivaten als entschaeumer in waessrigen systemen"
JPH0659365B2 (ja) * 1989-01-27 1994-08-10 信越化学工業株式会社 消泡剤組成物
US5538711A (en) * 1995-01-23 1996-07-23 Mobil Oil Corporation Foam reduction during synthesis of MCM-41
ATE276029T1 (de) * 1999-05-14 2004-10-15 Goldschmidt Ag Th Verwendung wasserunlöslicher polyoxyalkylen- polysiloxan-blockmischcopolymerisate zur entschäumung wässriger medien
DE19922218A1 (de) * 1999-05-14 2001-02-15 Goldschmidt Ag Th Verwendung wasserunlöslicher poly(oxy-1,4-butandiyl)haltiger Polyoxyalkylen-Polysiloxan-Blockmischcopolymerisate zur Entschäumung wäßriger Medien
CN104428373A (zh) * 2012-06-08 2015-03-18 道康宁东丽株式会社 含羧基有机硅的组合物及制备该组合物的工艺

Also Published As

Publication number Publication date
BE783524A (fr) 1972-11-16
IT939051B (it) 1973-02-10
FR2137936B1 (it) 1974-07-26
AU3262471A (en) 1973-03-01
CH571881A5 (it) 1976-01-30
US3785935A (en) 1974-01-15
NL7206641A (it) 1972-11-21
AU454366B2 (en) 1974-10-31
DE2222996B2 (de) 1975-07-10
JPS549144B1 (it) 1979-04-21
DE2222996A1 (de) 1972-11-23
FR2137936A1 (it) 1972-12-29
GB1300030A (en) 1972-12-20
AT318547B (de) 1974-10-25

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