GB759013A - Process for accelerating the condensation of organopolysiloxanes - Google Patents
Process for accelerating the condensation of organopolysiloxanesInfo
- Publication number
- GB759013A GB759013A GB30374/51A GB3037451A GB759013A GB 759013 A GB759013 A GB 759013A GB 30374/51 A GB30374/51 A GB 30374/51A GB 3037451 A GB3037451 A GB 3037451A GB 759013 A GB759013 A GB 759013A
- Authority
- GB
- United Kingdom
- Prior art keywords
- waterproofed
- hydrolysate
- impregnating
- minutes
- heating
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0091—Complexes with metal-heteroatom-bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Silicon Polymers (AREA)
Abstract
The further condensation of an organo-polysiloxane containing silicon-bonded hydrocarbon radicals and Si-H groups is effected in the presence of a complex compound of aluminium with acetyl acetone, acetoacetic acid ethyl ester or a malonic acid alkyl ester as accelerator, at a temperature not substantially exceeding 100 DEG C. The accelerator is preferably used in amount of 0.01 to 1 per cent by weight of the siloxane and may be added to the siloxanes per se or to solutions or emulsions thereof. The siloxanes specified may be oils or resins, and contain, in addition to Si-H groups, alkyl radicals, e.g. methyl to octadecyl, and/or aryl radicals, e.g. phenyl, and may contain alkoxy radicals. Other resins, pigments or fillers may be added. In examples, textile fabric or paper is waterproofed by impregnating with (1) a toluene solution, or (2) an aqueous emulsion of the hydrolysate of (CH3)2SiCl2 and CH3.SiHCl2 and aluminium acetylacetonate and heating at 80 DEG to 100 DEG C. for 5 minutes; (3) cotton pieces are waterproofed by impregnating with a methylene chloride solution of the hydrolysate of (CH3)2SiCl2 and C2H5SiHCl2 and the Al compound of ethyl-acetoacetate and heating at 100 DEG C. for 10 minutes; (4) cotton fabric is waterproofed by impregnating with a toluene solution of the hydrolysate of CH3.SiHCl2, CH3.C6H5.SiCl2 and CH3.SiCl3 and the aluminium compound of ethyl malonate, and heating at 90 DEG C. for 7 minutes. Specifications 630,319 and 635,445 are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE759013X | 1950-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB759013A true GB759013A (en) | 1956-10-10 |
Family
ID=6660403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30374/51A Expired GB759013A (en) | 1950-12-30 | 1951-12-28 | Process for accelerating the condensation of organopolysiloxanes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB759013A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3297641A (en) * | 1964-01-17 | 1967-01-10 | Grace W R & Co | Process for cross-linking polyethylene |
US3367910A (en) * | 1964-12-15 | 1968-02-06 | Owens Illinois Inc | Modihed organopolysiloxanes and method of preparation |
US3481899A (en) * | 1968-04-16 | 1969-12-02 | Wacker Chemie Gmbh | Organosiloxane composition |
EP0245948A2 (en) * | 1986-04-11 | 1987-11-19 | Toray Silicone Company, Ltd. | Curable organopolysiloxane compositions exhibiting improved adhesion |
EP1876201A1 (en) * | 2006-07-04 | 2008-01-09 | Shin-Etsu Chemical Co., Ltd. | Resin composition for sealing optical device and cured product thereof |
-
1951
- 1951-12-28 GB GB30374/51A patent/GB759013A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3297641A (en) * | 1964-01-17 | 1967-01-10 | Grace W R & Co | Process for cross-linking polyethylene |
US3367910A (en) * | 1964-12-15 | 1968-02-06 | Owens Illinois Inc | Modihed organopolysiloxanes and method of preparation |
US3481899A (en) * | 1968-04-16 | 1969-12-02 | Wacker Chemie Gmbh | Organosiloxane composition |
EP0245948A2 (en) * | 1986-04-11 | 1987-11-19 | Toray Silicone Company, Ltd. | Curable organopolysiloxane compositions exhibiting improved adhesion |
EP0245948A3 (en) * | 1986-04-11 | 1989-01-11 | Toray Silicone Company, Ltd. | Curable organopolysiloxane compositions exhibiting improved adhesion |
EP1876201A1 (en) * | 2006-07-04 | 2008-01-09 | Shin-Etsu Chemical Co., Ltd. | Resin composition for sealing optical device and cured product thereof |
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