GB1103201A - Organosilicon compositions - Google Patents

Organosilicon compositions

Info

Publication number
GB1103201A
GB1103201A GB2910163A GB2910163A GB1103201A GB 1103201 A GB1103201 A GB 1103201A GB 2910163 A GB2910163 A GB 2910163A GB 2910163 A GB2910163 A GB 2910163A GB 1103201 A GB1103201 A GB 1103201A
Authority
GB
United Kingdom
Prior art keywords
oxyalkylene
block
divalent
siloxane
radical
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
GB2910163A
Inventor
Donald Leroy Bailey
Anton Stanley Pater
Edward Lewis Morehouse
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Priority to GB2910163A priority Critical patent/GB1103201A/en
Publication of GB1103201A publication Critical patent/GB1103201A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences

Abstract

A composition for reducing the surface tension of an aqueous solution comprises an organic surfactant and an organosiloxane-oxyalkylene block copolymer comprising at least one oxyalkylene block and at least one siloxane block, the oxyalkylene block containing at least 2 oxyalkylene groups of the formula -R1O-, wherein R1 is an alkylene radical, the siloxane block containing at least 2 units of the formula <FORM:1103201/C3/1> , wherein R is a monovalent hydrocarbon (h.c.) or halo-h.c. radical, or a divalent h.c. radical and b is 1, 2 or 3, there being at least one unit in which at least 1 R is a divalent h.c. radical, the oxyalkylene and siloxane blocks being interconnected by the divalent h.c. radicals. The block copolymers can have a linear, cyclic, branched or cross-linked structure and can have terminal functional groups. Numerous examples are given of surfactants and known builders therefor. The weight ratio of the copolymer to surfactant is usually from 0.001/1 to 99/1. In a typical Example (1) aqueous solutions containing 1% (wt.) of sodium lauryl sulphate modified with different amounts of a certain block copolymer were prepared, and aliquot portions of these solutions were diluted ten-fold and tested by (i) measuring the surface tension of each solution, and (ii) agitating the solutions and measuring the foam heights. Uses: as detergents (see Division C5), emulsifiers, foamers, wetting agents, dispersing agents, flocculants and penetrants.ALSO:A composition for reducing the surface tension of an aqueous solution comprises an organic surfactant and an organosiloxane-oxyalkylene block copolymer in which the siloxane and oxyalkylene blocks are interconnected by divalent hydrocarbon radicals (see Division C3). The weight ratio of the copolymer to surfactant is usually from 0.001/1 to 99/1. Numerous anionic, cationic, non-ionic and amphoteric surfactants are specified. Known builders for the surfactants may also be added. The composition is usually in the form of an aqueous solution containing from 0.00001 to 75% (weight) of the block copolymer. Aqueous compositions are used in the examples.
GB2910163A 1963-07-23 1963-07-23 Organosilicon compositions Expired GB1103201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2910163A GB1103201A (en) 1963-07-23 1963-07-23 Organosilicon compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2910163A GB1103201A (en) 1963-07-23 1963-07-23 Organosilicon compositions

Publications (1)

Publication Number Publication Date
GB1103201A true GB1103201A (en) 1968-02-14

Family

ID=10286166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2910163A Expired GB1103201A (en) 1963-07-23 1963-07-23 Organosilicon compositions

Country Status (1)

Country Link
GB (1) GB1103201A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472686A (en) * 1990-12-28 1995-12-05 Nippon Unicar Company Limited Cosmetic formulations
WO2000012660A3 (en) * 1998-08-28 2000-06-22 Forschungszentrum Juelich Gmbh Method for increasing the efficiency of surfactants with simultaneous suppression of lamellar mesophases and surfactants with an additive added thereto
WO2006060993A1 (en) * 2004-12-08 2006-06-15 Forschungszentrum Jülich GmbH Method for improving the efficiency of surfactants and emulsifiers by means of additives

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472686A (en) * 1990-12-28 1995-12-05 Nippon Unicar Company Limited Cosmetic formulations
WO2000012660A3 (en) * 1998-08-28 2000-06-22 Forschungszentrum Juelich Gmbh Method for increasing the efficiency of surfactants with simultaneous suppression of lamellar mesophases and surfactants with an additive added thereto
JP2002525392A (en) * 1998-08-28 2002-08-13 フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Method for improving the performance of surfactant, method for suppressing layered intermediate layer in microemulsion, and surfactant containing additive added thereto
US6677293B1 (en) 1998-08-28 2004-01-13 Forschungszentrum Jülich GmbH Method for increasing the efficiency of surfactants with simultaneous suppression of lamellar mesophases and surfactants with an additive added thereto
US7468349B2 (en) 1998-08-28 2008-12-23 Forschungszentrum Julich Gmbh Method for increasing the efficiency of surfactants with simultaneous suppression of lamellar mesophases and surfactants with an additive added thereto
WO2006060993A1 (en) * 2004-12-08 2006-06-15 Forschungszentrum Jülich GmbH Method for improving the efficiency of surfactants and emulsifiers by means of additives

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