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    • 5. 发明公开
    • Honeycomb Containing Poly(paraphenylene terephthalamide) Paper with Aliphatic Polyamide Binder and Articles Made Therefrom
    • Wabe mit Poly(Paraphenylen-Terephthalamid)Papier mit aliphatischem Polyamidbinder und daraus hergestellte Artikel
    • EP2433787A1
    • 2012-03-28
    • EP10171285.9
    • 2007-12-14
    • E.I. DUPONT DE NEMOURS AND COMPANY
    • Levit, Mikhail R.Khan, SubhotoshHendren, Gary Lee
    • B32B3/12B32B27/02B32B27/04B32B27/34D21H13/26B31D3/02
    • This invention relates to a honeycomb having cells comprising a paper, the paper in one embodiment comprising 3 to 30 parts by weight aliphatic polyamide binder, and 70 to 97 parts by weight of a poly(paraphenylene terephthalamide) fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the total amount of aliphatic polyamide binder and PPD-T fiber in the paper; and wherein the paper has an average specific tensile index of 60 (lbs/in)/opsy (310 Nm/g) or greater. In another embodiment, the honeycomb is made from a paper comprising 30 to 50 parts by weight aliphatic polyamide binder, and 50 to 70 parts by weight of a poly(paraphenylene terephthalamide) fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the total amount of aliphatic polyamide binder and PPD-T fiber in the paper; and wherein the paper has an average specific tensile index of 60 (lbs/in)/opsy (310 Nm/g) or greater. Another embodiment includes articles comprising the aforesaid honeycombs, with such articles including a panel or an aerodynamic structure.
    • 本发明涉及一种具有包含纸的电池的蜂窝体,一个实施方案中的纸包含3至30重量份的脂族聚酰胺粘合剂和70至97重量份的模数为600克的聚(对苯二甲酰对苯二胺)纤维 基于纸张中脂族聚酰胺粘合剂和PPD-T纤维的总量,旦尼尔(550克/分特)或更大, 并且其中所述纸的平均比拉伸指数为60(lbs / in)/ opsy(310Nm 3 / g)或更大。 在另一个实施方案中,蜂窝体由包含30至50重量份脂族聚酰胺粘合剂的纸和50至70重量份的模量为600克/旦(550克/分)的聚(对苯二甲酰对苯二甲酰胺)纤维制成 )或更大,基于纸中脂族聚酰胺粘合剂和PPD-T纤维的总量; 并且其中所述纸的平均比拉伸指数为60(lbs / in)/ opsy(310Nm 3 / g)或更大。 另一个实施例包括包括上述蜂窝的物品,其中包括面板或空气动力学结构的这些物品。
    • 8. 发明公开
    • COMPOSITE PANEL AND ITS PRODUCTION
    • 复合板及生产
    • EP2197662A1
    • 2010-06-23
    • EP07834566.7
    • 2007-10-02
    • Axxion Technology B.V.
    • GUNDELSHEIMER, Herbert
    • B31D3/02E04C2/36B32B3/12
    • B32B3/12B31D3/0246B31D3/0292B32B7/12B32B29/02B32B2255/10B32B2255/12B32B2255/26B32B2307/54B32B2307/712B32B2607/00E04C2/246E04C2/365Y10T156/1003Y10T428/24157
    • The invention relates to a method for producing a composite panel comprising a paper honeycomb core (3) and a panel (2, 2') attached to both sides of the honeycomb core (3) in a continuous process, said method comprising the steps of producing a continuous paper honeycomb from at least one band of paper by cutting strips (12) of paper in substantially transverse direction off of the band of paper, stacking said strips (12) onto one another while being attached at various locations along the length of the strips to form the continuous honeycomb in compressed form, expanding said compressed continuous paper honeycomb and impregnating it with a curable composition (7), impregnating a first and second continuous fibre-reinforced web with said curable composition (7), or a further curable composition which chemically binds to said curable composition (7), removing entrapped air from said impregnated fibre-reinforced web, applying said first and second impregnated fibre-reinforced web against respective both sides of said impregnated paper honeycomb core (3) to form a continuous composite panel, feeding said continuous composite panel through a curing station for continuously curing said curable composition (7); cutting a composite panel from said continuous composite panel. The invention further relates to a composite panel comprising a paper honeycomb core (3), and cladding sheets (2, 2') attached to both sides of the honeycomb core (3), said cladding sheets (2, 2') comprising a fibre reinforced with a curable composition and are attached to said honeycomb core (3) via said curable composition (7), wherein said paper honeycomb core (3) has been impregnated with said curable composition (7). before it was provided with the cladding sheets (2,2'), has cells with an inscribed circle diameter of 4-25 mm, and is composed of paper strips (12) which are lengthwise oriented in the transverse direction of the panel: