POLYCARBONATE-BASED POLYURETHANE RESIN COMPOSITION AND PLUSH-TONE LEATHER-LIKE SHEET MADE THEREOF

PROBLEM TO BE SOLVED: To provide a polycarbonate-based polyurethane resin composition giving a plush-tone leather-like sheet having excellent touch feeling and durability and provide the plush-tone leather-like sheet produced by using the composition. SOLUTION: A polycarbonate-based polyurethane res...

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Hauptverfasser:	KAWAKAMI KIYOSHI, NISHIMURA NAOTAKA, NAKANO YUTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polycarbonate-based polyurethane resin composition giving a plush-tone leather-like sheet having excellent touch feeling and durability and provide the plush-tone leather-like sheet produced by using the composition. SOLUTION: A polycarbonate-based polyurethane resin having an organopolysiloxy group on the molecular side chain and containing a carbonate structure expressed by formula (1) in the molecular chain is produced by using an organopolysiloxane having a number-average molecular weight (Mn) of 10,000-20,000 and a polyalkylene carbonate diol at a ratio of 0.1-5 pts.wt. of the organopolysiloxane based on 100 pts.wt. of the sum of both components. A plush-tone leather-like sheet is produced by using the polycarbonate-based polyurethane resin composition composed of the above resin as a binder component. COPYRIGHT: (C)2006,JPO&NCIPI