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    Honeycomb having a low coefficient of thermal expansion and articles made from same
    21.
    发明申请
    Honeycomb having a low coefficient of thermal expansion and articles made from same 审中-公开
    具有低热膨胀系数的蜂窝体和由其制成的物品

    公开(公告)号：US20080286522A1

    公开(公告)日：2008-11-20

    申请号：US11639467

    申请日：2006-12-15

    申请人： Subhotosh Khan ,  Mikhail R. Levit ,  Gary Lee Hendren

    发明人： Subhotosh Khan ,  Mikhail R. Levit ,  Gary Lee Hendren

    IPC分类号： B32B3/12

    CPC分类号： D21H13/00 ,  B31D3/02 ,  D21H27/00 ,  Y10T428/24149

    摘要： This invention relates to a honeycomb and articles made therefrom, the articles having cell walls provided with a structural or matrix resin, the planes of the cell walls being parallel to the Z-dimension of the honeycomb, the honeycomb cell walls comprising 5 to 35 parts by weight thermoplastic material having a melting point of from 120° C. to 350° C. and a coefficient of thermal expansion of 180 ppm/° C. or less; and 65 to 95 parts by weight of a high modulus fiber having a modulus of 525 grams per denier (480 grams per dtex) or greater and having an axial coefficient of thermal expansion of 2 ppm/° C. or less, based on the total amount of thermoplastic and high modulus fiber in the honeycomb cell walls; wherein the honeycomb has a coefficient of thermal expansion in the Z-dimension of 10 ppm/° C. or less as measured by ASTM E831.

    摘要翻译： 本发明涉及一种蜂窝及其制成的制品，该制品具有设置有结构或基体树脂的孔壁，该细胞壁的平面平行于该蜂窝体的Z-尺寸，该蜂窝状细胞壁包括5至35份 的热塑性材料，其熔点为120℃至350℃，热膨胀系数为180ppm /℃或更低; 和65〜95重量份的模量为525克/旦（480克/分）以上的高模量纤维，其轴向热膨胀系数为2ppm /℃以下，基于总计 蜂窝状细胞壁中的热塑性和高模量纤维的量; 其中，通过ASTM E831测定，所述蜂窝体的Z维度的热膨胀系数为10ppm /℃以下。

    Polyareneazole/thermoplastic pulp and methods of making same
    23.
    发明授权
    Polyareneazole/thermoplastic pulp and methods of making same 失效
    聚芳纶/热塑性纸浆及其制造方法

    公开(公告)号：US08444816B2

    公开(公告)日：2013-05-21

    申请号：US12758924

    申请日：2010-04-13

    申请人： Achim Amma ,  Stephen D. Maloney ,  Mikhail R. Levit

    发明人： Achim Amma ,  Stephen D. Maloney ,  Mikhail R. Levit

    IPC分类号： D21H13/10 ,  D21F11/00

    CPC分类号： C09K3/1028 ,  D21H13/14 ,  D21H13/20 ,  D21H13/24 ,  D21H17/35 ,  F16D69/026

    摘要： The present invention relates to thermoplastic and polyareneazole pulp for use as reinforcement material in products including for example fluid sealing materials, as a processing aid including its use as a thixotrope, and as a filter material. The pulp comprises (a) irregularly shaped, thermoplastic fiber fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures and (c) water, whereby thermoplastic fiber fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such thermoplastic and polyareneazole pulp.

    摘要翻译： 本发明涉及作为包括例如流体密封材料在内的增强材料用作热塑性和聚azole唑浆料，作为包括其用作触变剂的加工助剂和作为过滤材料。 纸浆包括（a）不规则形状的热塑性纤维纤维结构，（b）不规则形状的聚芳腈纤维结构和（c）水，由此热塑性纤维原纤维和/或茎基本上与聚芳纶原纤维和/或茎缠结。 本发明进一步涉及制备这种热塑性和聚芳腈浆的方法。

    Honeycomb containing poly(paraphenylene terephthalamide) paper with aliphatic polyamide binder and articles made therefrom
    25.
    发明授权
    Honeycomb containing poly(paraphenylene terephthalamide) paper with aliphatic polyamide binder and articles made therefrom 有权
    含有聚对苯二甲酰对苯二胺的蜂窝纸与脂肪族聚酰胺粘合剂和由其制成的制品

    公开(公告)号：US08025949B2

    公开(公告)日：2011-09-27

    申请号：US11639457

    申请日：2006-12-15

    申请人： Mikhail R. Levit ,  Subhotosh Khan ,  Gary Lee Hendren

    发明人： Mikhail R. Levit ,  Subhotosh Khan ,  Gary Lee Hendren

    IPC分类号： B32B3/12 ,  B32B5/06 ,  B32B5/16 ,  E04B1/74

    CPC分类号： D21H13/26 ,  B31D3/0284 ,  B32B3/12 ,  B32B27/02 ,  B32B27/04 ,  B32B27/34 ,  D21H17/55 ,  Y10T428/24149 ,  Y10T428/254

    摘要： This invention relates to a honeycomb having cells of paper, comprising by weight 3 to 30 parts by weight aliphatic polyamide binder, and 70 to 97 parts of a poly(paraphenylene terephthalamide) fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the aliphatic polyamide binder and PPD-T fiber in the paper. In another embodiment, the honeycomb is made from paper comprising by weight 30 to 50 parts aliphatic polyamide binder, and 50 to 70 parts of a poly(paraphenylene terephthalamide) fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the aliphatic polyamide binder and PPD-T fiber in the paper. Both papers have an average specific tensile index of 60 (lbs/in)/opsy (310 Nm/g) or greater. Articles made from the honeycombs include a panel or an aerodynamic structure.

    摘要翻译： 本发明涉及一种具有纸单元的蜂窝体，其重量为3〜30重量份脂肪族聚酰胺粘合剂，70〜97重量份的聚对苯二甲酰对苯二胺纤维，其模量为600克/旦（550克/分） ）或更大，基于纸中的脂族聚酰胺粘合剂和PPD-T纤维。 在另一个实施方案中，蜂窝体由包含重量为30至50份脂族聚酰胺粘合剂的纸和50至70份模量为600克/旦（550克/分特）或更大的聚（对苯二甲酰对苯二甲酰胺）纤维的纸制成 ，基于脂肪族聚酰胺粘合剂和PPD-T纤维。 两种纸的平均比拉伸指数为60（lbs / in）/ opsy（310Nm / g）或更大。 由蜂窝制成的物品包括面板或空气动力学结构。

    Shaped honeycomb
    26.
    发明授权
    Shaped honeycomb 有权
    形蜂窝

    公开(公告)号：US07771809B2

    公开(公告)日：2010-08-10

    申请号：US11639468

    申请日：2006-12-15

    申请人： Gary Lee Hendren ,  Mikhail R. Levit ,  Subhotosh Khan

    发明人： Gary Lee Hendren ,  Mikhail R. Levit ,  Subhotosh Khan

    IPC分类号： B32B3/12

    CPC分类号： B31D3/0292 ,  B29D99/0089 ,  B29L2031/608 ,  B32B3/12 ,  Y10S428/902 ,  Y10T428/1303 ,  Y10T428/1352 ,  Y10T428/24149 ,  Y10T428/24165

    摘要： This invention relates to a honeycomb comprising cells having edges forming a face of the honeycomb, the face defined by a plurality of points and having an area of curvature wherein at least two of the points are located in different tangential planes, the walls of the cells comprising 5 to 50 parts by weight thermoplastic material having a melting point of from 120° C. to 350° C., and 50 to 95 parts by weight of a high modulus fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the total amount of thermoplastic material and high modulus fiber in the walls; wherein less than 25 percent of the honeycomb cells in the area of curvature have a re-entrant angle of greater than 180 degrees. This invention also relates to articles including panels and/or aerodynamic structures comprising the honeycomb.

    摘要翻译： 本发明涉及一种蜂窝体，其包括具有形成蜂窝表面的边缘的蜂窝体，所述蜂窝体由多个点限定并具有曲率区域，其中至少两个点位于不同的切向平面中， 包含5至50重量份的熔点为120℃至350℃的热塑性材料和50至95重量份的模量为600克/旦（550克/分）的高模量纤维 ）或更大，基于壁中的热塑性材料和高模量纤维的总量; 其中在曲率区域中小于25％的蜂窝状电池具有大于180度的重入角度。 本发明还涉及包括蜂窝板的面板和/或空气动力学结构的制品。

    Folded Core Having a High Compression Modulus and Articles Made from the Same
    28.
    发明申请
    Folded Core Having a High Compression Modulus and Articles Made from the Same 审中-公开
    具有高压缩模量的折叠芯和由其制成的制品

    公开(公告)号：US20100048078A1

    公开(公告)日：2010-02-25

    申请号：US12542766

    申请日：2009-08-18

    申请人： Rainer Kehrle ,  Yves Klett ,  Mikhail R. Levit ,  Olivier Lengwiler

    发明人： Rainer Kehrle ,  Yves Klett ,  Mikhail R. Levit ,  Olivier Lengwiler

    IPC分类号： B32B27/02 ,  D04H13/00 ,  B32B27/34 ,  B32B27/06

    CPC分类号： D21H13/26 ,  D21H17/48 ,  D21H25/14 ,  Y10T442/20 ,  Y10T442/2902 ,  Y10T442/60 ,  Y10T442/656 ,  Y10T442/674

    摘要： This invention is directed to a folded tessellated core structure having a high compression modulus. The core structure comprises a nonwoven sheet and a cured resin in an amount such that the weight of cured resin as a percentage of combined weight of cured resin and nonwoven sheet is at least 50 percent, The nonwoven sheet further comprises fibers having a modulus of at least 200 grams per denier (180 grams per dtex) and a tenacity of at least 10 grams per denier (9 grams per dtex) wherein, prior to impregnating with the resin, the nonwoven sheet has an apparent density calculated from the equation Dp=K×((dr×(100−% r)% r)/(1+dr/ds×(100−% r)% r), where Dp is the apparent density of the sheet before impregnation, dr is the density of cured resin, ds is the density of solid material in the sheet before impregnation, % r is the cured resin content in the final core structure in weight %, K is a number with a value from 1.0 to 1.5, Further, the Gurley porosity of the nonwoven sheet before impregnation with the resin is no greater than 30 seconds per 100 milliliters. The invention is also directed to composite structures incorporating such folded core.

    摘要翻译： 本发明涉及具有高压缩模量的折叠镶嵌核心结构。 芯结构包括非织造薄片和固化树脂，其量使得固化树脂的重量占固化树脂和非织造薄片的组合重量的百分比至少为50％。该非织造薄片还包括模量在 至少200克/旦（180克/分），强度至少为10克/旦（9克/分特），其中在用树脂浸渍之前，非织造片具有从方程Dp = K计算的表观密度 ×（（dr×（100％r）％r）/（1 + dr / ds×（100-％r）％r），其中Dp是浸渍前的片材的表观密度，dr是固化的密度 树脂，ds是浸渍前的片材中的固体材料的密度，％r是最终芯结构中的固化树脂含量的重量％，K是1.0至1.5的数值。此外，Gurley孔隙率 用树脂浸渍之前的无纺布片材每100毫升不超过30秒 还涉及结合这种折叠芯的复合结构。