PROBLEM TO BE SOLVED: To provide an automobile interior material having excellent abrasion resistance while maintaining tactile and easy processability of a needle punch unwoven fabric and a manufacturing method therefor.SOLUTION: There is provided an automobile interior material consisting of a polyester needle punch unwoven fabric to which a polycarbonate-based polyurethane resin is adhered, the polycarbonate-based polyurethane resin is obtained by chain extending an urethane prepolymer having an isocyanate group at a terminal, by reacting organic polyisocyanate and polyol containing polycarbonate diol represented by the formula (1) of a specific amount with molar ratio of a NCO group of the organic polyisocyanate and a OH group of the polyol of 1.5/1.0 to 1.1/1.0, with specific polyamine and adhesion amount of the polyurethane resin is 1 to 15 pts.mass based on 100 pts.mass of the unwoven fabric. Ris each independently a C4 to 8 alkylene group and n is an integer in a range of 1000 to 3500.SELECTED DRAWING: None
【課題】ニードルパンチ不織布の触感及び易加工性を維持しつつ、優れた耐摩耗性を有する自動車用内装材料及びその製造方法の提供。【解決手段】ポリカーボネート系ポリウレタン樹脂が付着したポリエステルニードルパンチ不織布から成り、ポリカーボネート系ポリウレタン樹脂は、有機ポリイソシアネートと、式(1)で表わされるポリカーボネートジオールを特定量含有するポリオールとを、有機ポリイソシアネートのNCO基とポリオールのOH基とのモル比1.5/1.0〜1.1/1.0で反応させた、末端にイソシアネート基を有するウレタンプレポリマーを、特定のポリアミンで鎖伸長させて得られ、かつ不織布100質量部に対するポリウレタン樹脂の付着量が1〜15質量部である自動車用内装材料。[R1は夫々独立にC4〜8のアルキレン基;nは分子量が1000〜3500の範囲内となる整数]【選択図】なし
AUTOMOBILE INTERIOR MATERIAL AND MANUFACTURING METHOD THEREFOR
自動車用内装材料及びその製造方法
2017-09-28
Patent
Elektronische Ressource
Japanisch
IPC: | D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / D06N WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL , Wand-, Fußboden- oder ähnliche Belagstoffe, z.B. Linoleum, Wachstuch, Kunstleder, Dachpappe, bestehend aus einem mit einer Schicht aus makromolekularem Material überzogenen Fasergewebe |
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