POLYOXYALKYLENE-BLOCK-ALKYLENE-BLOCK- POLYORGANOSILOXANE AND GEL COMPOSITION
PROBLEM TO BE SOLVED: To provide a novel polyoxyalkylene-modified silicone which is a polyoxyalkylene-block-alkylene-block-polyorganosiloxane containing polyorganosiloxy groups and polyoxyalkylene groups in a specified ratio and having a specified mol.wt. and which is useful as a gelling agent. SOLU...
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Format | Patent |
Language | English |
Published |
27.06.2000
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | PROBLEM TO BE SOLVED: To provide a novel polyoxyalkylene-modified silicone which is a polyoxyalkylene-block-alkylene-block-polyorganosiloxane containing polyorganosiloxy groups and polyoxyalkylene groups in a specified ratio and having a specified mol.wt. and which is useful as a gelling agent. SOLUTION: The polyoxyalkylene-block-alkylene-block-polyorganosiloxane is represented by A-X-B [wherein A is a polyorganosiloxy group of the formula; X is a 2-20C divalent alkylene; and B is a polyoxyalkylene group of -Yp-OZ (wherein Y is -OCH2CH2-, -OCH(CH3)CH2-, or -OCH2CH(CH3)-; and Z is H, 20C or lower linear or branched alkyl, or 10C or lower aryl)], the wt. ratio of A/B being (99/1)-(60/40), and has a number average mol.wt. of 500-100,000. A gel composition, which releases water moderately, can be obtained from only this polyoxyalkylene-modified silicone and water. |
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AbstractList | PROBLEM TO BE SOLVED: To provide a novel polyoxyalkylene-modified silicone which is a polyoxyalkylene-block-alkylene-block-polyorganosiloxane containing polyorganosiloxy groups and polyoxyalkylene groups in a specified ratio and having a specified mol.wt. and which is useful as a gelling agent. SOLUTION: The polyoxyalkylene-block-alkylene-block-polyorganosiloxane is represented by A-X-B [wherein A is a polyorganosiloxy group of the formula; X is a 2-20C divalent alkylene; and B is a polyoxyalkylene group of -Yp-OZ (wherein Y is -OCH2CH2-, -OCH(CH3)CH2-, or -OCH2CH(CH3)-; and Z is H, 20C or lower linear or branched alkyl, or 10C or lower aryl)], the wt. ratio of A/B being (99/1)-(60/40), and has a number average mol.wt. of 500-100,000. A gel composition, which releases water moderately, can be obtained from only this polyoxyalkylene-modified silicone and water. |
Author | KIMAE YOUICHI ITODA NORIO AYAMA KYOICHI |
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Snippet | PROBLEM TO BE SOLVED: To provide a novel polyoxyalkylene-modified silicone which is a polyoxyalkylene-block-alkylene-block-polyorganosiloxane containing... |
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SubjectTerms | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP |
Title | POLYOXYALKYLENE-BLOCK-ALKYLENE-BLOCK- POLYORGANOSILOXANE AND GEL COMPOSITION |
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