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61 条记录 (耗时 0.028 秒)

    Process for making an abrasion resistant quasi monofilament
    1.
    发明授权
    Process for making an abrasion resistant quasi monofilament 失效
    制造耐磨准单丝的方法

    公开(公告)号：US5601775A

    公开(公告)日：1997-02-11

    申请号：US410534

    申请日：1995-03-24

    申请人： David V. Cunningham ,  Sheldon Kavesh ,  Christopher P. Griffin ,  Allan R. Hall

    发明人： David V. Cunningham ,  Sheldon Kavesh ,  Christopher P. Griffin ,  Allan R. Hall

    IPC分类号： D02G3/44 ,  A01K91/00 ,  A61C15/04 ,  D01D11/06 ,  D01F8/06 ,  B29C47/02 ,  D02G3/36

    CPC分类号： D01D11/06 ,  D01F8/06 ,  A61C15/041

    摘要： A quasi monofilament having a high strength polyethylene fiber core with an adherent, abrasion resistant polymer sheath is prepared by feeding the core yarn through a crosshead die, while simultaneously supplying a polymer melt at a temperature greater than the melting point of the core yarn to the die, for sheathing the core yarn within the die with the melt under a sufficient pressure to cause the melt to adhere to the core yarn. The abrasion resistant polymer sheath includes an effective amount of a first polymer having ethylene crystallinity, a density of at least about 0.94 g/cm.sup.3, and a melt index of less than about 0.1 g/10 min. The composition used to sheathe the core yarn is characterized by a weight average tensile strength at yield of greater than about 13.8 MPa. The quasi monofilament has utility in applications subjected to high abrasion, such as sports fishing lines, kite lines, dental floss, "weedeater" lines and tennis racket strings.

    摘要翻译： 通过将芯纱线通过十字头模头进给，同时在大于芯纱线的熔点的温度下向聚合物熔体提供聚合物熔体，制备具有粘附耐磨聚合物护套的高强度聚乙烯纤维芯的准单丝 模具，用于在足够的压力下用熔体将模具内的芯线包覆以使熔体粘附到芯纱上。 耐磨聚合物护套包括有效量的具有乙烯结晶度的第一聚合物，至少约0.94g / cm 3的密度和小于约0.1g / 10min的熔体指数。 用于包芯纱的组合物的特征在于产率大于约13.8MPa的重均拉伸强度。 准单丝可用于运动钓鱼线，风筝线，牙线，“除草机”线和网球拍线等高磨损应用。

    Abrasion resistant quasi monofilament and sheathing composition
    2.
    发明授权
    Abrasion resistant quasi monofilament and sheathing composition 失效
    耐磨准单丝和护套组成

    公开(公告)号：US5573850A

    公开(公告)日：1996-11-12

    申请号：US410248

    申请日：1995-03-24

    申请人： David V. Cunningham ,  Sheldon Kavesh ,  Christopher P. Griffin

    发明人： David V. Cunningham ,  Sheldon Kavesh ,  Christopher P. Griffin

    IPC分类号： C08L23/04 ,  A01K91/00 ,  A61C15/04 ,  C08L57/00 ,  D01D11/06 ,  D01F8/06 ,  D02G3/44 ,  D06M15/227 ,  D06M101/20 ,  D02G3/00

    CPC分类号： D01F8/06 ,  D01D11/06 ,  A61C15/041 ,  Y10T428/2924 ,  Y10T428/2929 ,  Y10T428/2931

    摘要： A quasi monofilament having a high strength polyethylene fiber core with an adherent, abrasion resistant polymer sheath is prepared by feeding the core yarn through a crosshead die, while simultaneously supplying a polymer melt at a temperature greater than the melting point of the core yarn to the die, for sheathing the core yarn within the die with the melt under a sufficient pressure to cause the melt to adhere to the core yam. The abrasion resistant polymer sheath includes an effective amount of a first polymer having ethylene crystallinity, a density of at least about 0.94 g/cm.sup.3, and a melt index of less than about 0.1 g/10 min. The composition used to sheathe the core yarn is characterized by a weight average tensile strength at yield of greater than about 13.8 MPa. The quasi monofilament has utility in applications subjected to high abrasion, such as sports fishing lines, kite lines, dental floss, "weedeater" lines and tennis racket strings.

    摘要翻译： 通过将芯纱线通过十字头模头进给，同时在大于芯纱线的熔点的温度下向聚合物熔体提供聚合物熔体，制备具有粘附耐磨聚合物护套的高强度聚乙烯纤维芯的准单丝 模具，用于在足够的压力下用熔体将模具内的芯纱线包覆以使熔体粘附到芯纱线上。 耐磨聚合物护套包括有效量的具有乙烯结晶度的第一聚合物，至少约0.94g / cm 3的密度和小于约0.1g / 10min的熔体指数。 用于包芯纱的组合物的特征在于产率大于约13.8MPa的重均拉伸强度。 准单丝可用于运动钓鱼线，风筝线，牙线，“除草机”线和网球拍线等高磨损应用。

    High strength and modulus polyvinyl alcohol fibers and method of their preparation
    6.
    发明授权
    High strength and modulus polyvinyl alcohol fibers and method of their preparation 失效
    高强度和模量聚乙烯醇纤维及其制备方法

    公开(公告)号：US4713290A

    公开(公告)日：1987-12-15

    申请号：US821374

    申请日：1986-01-22

    申请人： Young D. Kwon ,  Sheldon Kavesh ,  Dusan C. Prevorsek

    发明人： Young D. Kwon ,  Sheldon Kavesh ,  Dusan C. Prevorsek

    IPC分类号： D01F6/14 ,  D02G3/00

    CPC分类号： D01F6/14 ,  Y10T428/2913

    摘要： Polyvinyl alcohol of molecular weight over 500,000 (i.e. 1,500,000 to 2,500,000) is spun as a dilute solution (2-15%) in a relatively non-volatile solvent such as glycerin. The resultant gel fiber is extracted with a volatile solvent such as methanol and dried. Upon stretching at one or more stages during the process, fibers of tenacity above 10 g/denier and modulus above 200 g/denier (e.g. 18 and 450, respectively) are produced.

    摘要翻译： 分子量超过500,000（即1,500,000至2,500,000）的聚乙烯醇在相对非挥发性溶剂如甘油中以稀释溶液（2-15％）纺丝。 所得凝胶纤维用挥发性溶剂如甲醇萃取并干燥。 在该过程中在一个或多个阶段进行拉伸时，产生高于10g /旦尼尔的强度和高于200g /旦尼尔（分别为18和450）的模量的纤维。

    Ballistic-resistant fabric article
    7.
    发明授权
    Ballistic-resistant fabric article 失效
    防弹织物制品

    公开(公告)号：US4650710A

    公开(公告)日：1987-03-17

    申请号：US825114

    申请日：1985-12-09

    申请人： Gary A. Harpell ,  Igor Palley ,  Sheldon Kavesh ,  Dusan C. Prevorsek

    发明人： Gary A. Harpell ,  Igor Palley ,  Sheldon Kavesh ,  Dusan C. Prevorsek

    IPC分类号： F41H5/04 ,  B32B7/00

    CPC分类号： F41H5/0485 ,  Y10S428/911 ,  Y10T428/31826 ,  Y10T442/2623

    摘要： The present invention provides an improved fabric which comprises at least one network of fibers selected from the group consisting of extended chain polyethylene (ECPE) extended chain polypropylene (ECPP) fibers, extended chain polyvinyl alcohol fibers and extended chain polyacrylonitrile fibers. A low modulus elastomeric material, which has a tensile modulus of less than about 6,000 psi, measured at about 23.degree. C., substantially coats the fibers of the network. Preferably, the fibers have a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 22 Joules/gram.

    摘要翻译： 本发明提供了一种改进的织物，其包括至少一种选自延伸链聚乙烯（ECPE）延伸链聚丙烯（ECPP）纤维，延伸链聚乙烯醇纤维和延伸链聚丙烯腈纤维）的纤维网。 在约23℃下测量的低弹性体材料的拉伸模量小于约6,000psi，基本上涂覆网络的纤维。 优选地，纤维具有至少约500克/旦尼尔的拉伸模量和至少约22焦耳/克的能量破裂。

    Glass-forming alloys with improved filament strength
    9.
    发明授权
    Glass-forming alloys with improved filament strength 失效
    具有改善长丝强度的玻璃形成合金

    公开(公告)号：US4152146A

    公开(公告)日：1979-05-01

    申请号：US756039

    申请日：1976-12-29

    申请人： Alfred Freilich ,  Sheldon Kavesh

    发明人： Alfred Freilich ,  Sheldon Kavesh

    IPC分类号： C22C45/04 ,  C22C45/02 ,  C22C38/12

    CPC分类号： C22C45/02

    摘要： Replacing iron with small amounts of molybdenum, i.e., about 1 to 8 atom percent, in a glass-forming alloy consisting essentially of about 9 to 24 atom percent boron, the balance essentially iron and incidental impurities, results in substantial improvement in filament strength.

    摘要翻译： 在基本上由约9至24原子百分比的硼组成的玻璃形成合金中，以少量的钼代替铁，即约1至8原子％，余量基本上为铁和杂质，导致灯丝强度显着提高。