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    • 2. 发明申请
    • MOLDABLE COMPOSITE ARTICLE
    • 可塑复合材料
    • WO2005104812A2
    • 2005-11-10
    • PCT/US2005/003683
    • 2005-02-04
    • INVISTA NORTH AMERICA S.Á.R.L.NGUYEN, Hung, Manh
    • NGUYEN, Hung, Manh
    • C08G63/91C08K5/00C08K5/15C08L37/00C08L51/06C08L73/02
    • C08G63/916C08G69/48C08J5/047C08K5/0008C08K5/15C08L67/00C08L67/02D04H1/425D04H1/4291D04H1/4334D04H1/435D04H1/4382Y10T428/237C08L77/00C08L2666/24
    • The present invention relates to moldable composite articles, and particularly to a molded nonwoven fibrous article, and specifically to an automobile headliner that has improved physical properties at low weight. There is a need to minimize the weight of the headliner and the critical parameter is minimum sag. For a molded non-needlepunched batt in the weight range of 1000 to 1200 grams per square meter (gsm), the sag at 91°C must be less than 10 mm, when cantilevering a distance of 28cm. The stiffness, strength and toughness of the batt should be greater than 2 N/mm, 17N and 70% respectively. In the first embodiment, the thermoplastic binder is a bicomponent fiber with an adhesion promoted polyolefin sheath and a polyester core. In the second embodiment, the matrix fiber is a synthetic fiber with a modulus greater than 10 cN/tex. In the third embodiment the matrix fiber is a natural fiber. In the fourth embodiment the bicomponent fiber contains a filler such as carbon black or titanium dioxide.
    • 本发明涉及可模制的复合制品,特别是涉及一种模制的非织造纤维制品,特别涉及一种具有改善的物理性能的低重量的汽车顶篷。 需要最小化顶篷的重量,关键参数是最小下垂。 对于重量范围为1000至1200克/平方米(gsm)的模制非针刺絮垫,当悬臂距离为28厘米时,91℃的下垂必须小于10毫米。 絮垫的刚度,强度和韧性应分别大于2 N / mm,17N和70%。 在第一实施方案中,热塑性粘合剂是具有粘合促进的聚烯烃护套和聚酯芯的双组分纤维。 在第二实施方案中,基质纤维是具有大于10cN / tex的模量的合成纤维。 在第三实施例中,基质纤维是天然纤维。 在第四实施方案中,双组分纤维含有诸如炭黑或二氧化钛的填料。