GB981812A - Organosilicon polymers - Google Patents

Organosilicon polymers

Info

Publication number
GB981812A
GB981812A GB1515864A GB1515864A GB981812A GB 981812 A GB981812 A GB 981812A GB 1515864 A GB1515864 A GB 1515864A GB 1515864 A GB1515864 A GB 1515864A GB 981812 A GB981812 A GB 981812A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
radical
foam
containing
glycol
units
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
GB1515864A
Inventor
Adolf Koebner
Colin Geoffrey Pitt
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.)
Marchon Products Ltd
Midland Silicones Ltd
Original Assignee
Marchon Products Ltd
Midland Silicones Ltd
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

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46Block-or graft-polymers containing polysiloxane sequences containing polyether sequences

Abstract

Block copolymers of the general formula <FORM:0981812/C3/1> wherein each R is H or a substituted or unsubstituted monovalent hydrocarbon radical, each R11 is a substituted or unsubstituted monovalent hydrocarbon radical, R111 is R or a trihydrocarbylsilyl group, y is not less than 4, n is 2 or 3, a has an average value of from 1 to 4 and z is such that the proportion of (R2SiO) units in the co-polymer is from 5 to 95% by weight, can be made by reacting a polyoxyalkylene glycol, containing as one terminal group the radical R11, with a hydrocarbonoxy siloxane of the formula (SiO4)(R2SiO)yRo4. In the example a toluene solution of the mono-butyl ether of a polyalkylene glycol, containing equal weights of oxyethylene and oxypropylene units, a tetraethoxydimethylpolysiloxane and trifluoroacetic acid, was boiled under reflux to yield, after removal of solvent and catalyst, a straw-coloured liquid copolymer. Uses.-As surface-active agents suitable as foam control additives in making polyurethane foams by the one-shot process from polyhydric polyethers, polyisocyanates, foam-producing catalysts and water.
GB1515864A 1960-08-22 1960-08-22 Organosilicon polymers Expired GB981812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1515864A GB981812A (en) 1960-08-22 1960-08-22 Organosilicon polymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1515864A GB981812A (en) 1960-08-22 1960-08-22 Organosilicon polymers

Publications (1)

Publication Number Publication Date
GB981812A true true GB981812A (en) 1965-01-27

Family

ID=10054064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1515864A Expired GB981812A (en) 1960-08-22 1960-08-22 Organosilicon polymers

Country Status (1)

Country Link
GB (1) GB981812A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0585044A2 (en) * 1992-08-21 1994-03-02 General Electric Company Silicone polyether surfactants
US5672338A (en) * 1996-03-14 1997-09-30 General Electric Company Cosmetic compositions made with hydroxy carbamate functionalized silicones
US5686547A (en) * 1996-03-14 1997-11-11 General Electric Company Carbonate and hydroxy carbamate functionalized silicones

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0585044A2 (en) * 1992-08-21 1994-03-02 General Electric Company Silicone polyether surfactants
EP0585044A3 (en) * 1992-08-21 1996-03-13 Gen Electric Silicone polyether surfactants
US5539136A (en) * 1992-08-21 1996-07-23 General Electric Company Silicone polyether surfactants synthesized using carbamate linkage
US5672338A (en) * 1996-03-14 1997-09-30 General Electric Company Cosmetic compositions made with hydroxy carbamate functionalized silicones
US5686547A (en) * 1996-03-14 1997-11-11 General Electric Company Carbonate and hydroxy carbamate functionalized silicones

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