COMPOSITION FOR PRODUCTION OF OIL-EXTENDED POLYVINYL ALCOHOL CRYOGEL, PROCESS OF ITS OBTAINMENT AND OIL-EXTENDED CRYOGEL
FIELD: chemistry. ^ SUBSTANCE: invention concerns composition for production of oil-extended polyvinyl alcohol cryogel, containing (mass part): 3-30 of polivinyl alcohol, 2-43 of liquid hydrophobic filler - vegetable or mineral oil, and 52-95 of water. This invention also concerns process of obtaini...
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| creator | PODOROZHKO ELENA ANATOL'EVNA LOZINSKIJ VLADIMIR IOSIFOVICH |
| description | FIELD: chemistry. ^ SUBSTANCE: invention concerns composition for production of oil-extended polyvinyl alcohol cryogel, containing (mass part): 3-30 of polivinyl alcohol, 2-43 of liquid hydrophobic filler - vegetable or mineral oil, and 52-95 of water. This invention also concerns process of obtaining oil-extended polyvinyl alcohol cryogel, as well as the said cryogel obtained by this process. Definite component ratio of the said composition enables regular distribution of liquid hydrophobic filler particles over the whole volume of oil-extended polyvinyl alcohol cryogel formed of such composition. As a result, the cryogel shows more stable physical and mechanical properties at any point. Besides, liquid oil used as hydrophobic filler predetermines production of composite polymer materials with various properties and applications on the basis of a single principle. The said process also does not involve organic dissolvent and hence does nor produce ecologically hazardous sewage. Oil-extended cryogel is applied in medicine as implant, wound-healing covers; in cosmetology as nutritious masques, applicators, auxiliary substances for wrapping; in techniques for production of self-lubricating resilient articles of complex shape, etc. ^ EFFECT: obtained cryogel can be applied in many fields. ^ 3 cl, 1 ex, 1 tbl |
| format | Patent |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | COMPOSITION FOR PRODUCTION OF OIL-EXTENDED POLYVINYL ALCOHOL CRYOGEL, PROCESS OF ITS OBTAINMENT AND OIL-EXTENDED CRYOGEL |
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