VERFAHREN ZUR HERSTELLUNG VON MIT POLYURETHAN BESCHICHTETEN SUBSTRATEN UND SOLCHE SUBSTRATE
Substrates having successive layers of a cellular polyurethane and a non-cellular polyurethane are prepared using certain siloxane-polyether block copolymers in the non-cellular polyurethane formulation. Said block copolymers contain 10 to 30 weight percent dialkylsiloxane units, 30 to 70 weight per...
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Main Authors | , , |
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Format | Patent |
Language | German |
Published |
15.07.1994
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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Abstract | Substrates having successive layers of a cellular polyurethane and a non-cellular polyurethane are prepared using certain siloxane-polyether block copolymers in the non-cellular polyurethane formulation. Said block copolymers contain 10 to 30 weight percent dialkylsiloxane units, 30 to 70 weight percent oxyethylene units and, optionally, up to 55 weight percent other oxyalkylene units. The use of the block copolymer reduces or eliminates the formation of a bubble line at the interface of the polyurethane layers, thereby improving physical and cosmetic properties of the carpet. |
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AbstractList | Substrates having successive layers of a cellular polyurethane and a non-cellular polyurethane are prepared using certain siloxane-polyether block copolymers in the non-cellular polyurethane formulation. Said block copolymers contain 10 to 30 weight percent dialkylsiloxane units, 30 to 70 weight percent oxyethylene units and, optionally, up to 55 weight percent other oxyalkylene units. The use of the block copolymer reduces or eliminates the formation of a bubble line at the interface of the polyurethane layers, thereby improving physical and cosmetic properties of the carpet. |
Author | LAMB, TERRY L SKAGGS, KENNETH W TURNER, ROBERT B |
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Snippet | Substrates having successive layers of a cellular polyurethane and a non-cellular polyurethane are prepared using certain siloxane-polyether block copolymers... |
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SubjectTerms | CHEMISTRY COFFEE MILLS COMPOSITIONS BASED THEREON DOMESTIC ARTICLES OR APPLIANCES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR FURNITURE HOUSEHOLD OR TABLE EQUIPMENT HUMAN NECESSITIES LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SPICE MILLS SUCTION CLEANERS IN GENERAL TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL |
Title | VERFAHREN ZUR HERSTELLUNG VON MIT POLYURETHAN BESCHICHTETEN SUBSTRATEN UND SOLCHE SUBSTRATE |
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