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    TRANSPARENT ANTIBALLISTIC ARTICLE AND METHOD FOR ITS PREPARATION
    3.
    发明申请
    TRANSPARENT ANTIBALLISTIC ARTICLE AND METHOD FOR ITS PREPARATION 有权
    透明抗反射物品及其制备方法

    公开(公告)号：US20150251392A1

    公开(公告)日：2015-09-10

    申请号：US14438036

    申请日：2013-10-29

    Applicant: DSM IP ASSETS B.V.

    Inventor： Marko Dorschu ,  Alexander Antonius Marie Stroeks ,  Hao Chen

    IPC: B32B27/08 ,  B32B27/34 ,  B32B27/32 ,  B32B27/36 ,  B32B37/18 ,  F41H5/04

    CPC classification number: B32B27/08 ,  B32B7/005 ,  B32B7/02 ,  B32B7/12 ,  B32B27/28 ,  B32B27/288 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B37/06 ,  B32B37/182 ,  B32B2250/24 ,  B32B2250/42 ,  B32B2270/00 ,  B32B2307/40 ,  B32B2307/516 ,  B32B2307/54 ,  B32B2307/56 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2309/02 ,  B32B2309/12 ,  B32B2377/00 ,  B32B2571/02 ,  F41H5/04 ,  F41H5/0407

    Abstract: This invention relates to a process for the preparation of an antiballistic article, the method comprising: a) Providing a transparent uniaxially stretched polymeric film with at least one layer I comprising a semi-crystalline thermoplastic polymer A and at least one layer II comprising an amorphous or semi-crystalline thermoplastic polymer B, of which polymer B has a glass transition temperature less than the melting temperature of polymer A if polymer B is amorphous or of which polymer B has a melting temperature less than the melting temperature of polymer A if polymer B is semi-crystalline; b) Stacking at least two of the uniaxially stretched polymeric films of a) at an angle α of between 45° and 135°, such that the films are in contact with each subsequent film through at least one layer II, to form an assembly; c) Compressing the thus formed assembly at a temperature above the glass transition temperature of polymer B if polymer B is amorphous, or above the melting temperature of polymer B if polymer B is semi-crystalline, and below the melting temperature of polymer A, to obtain an haze of at most 50% and having an energy absorption for 17 grain FSP according to the STANAG 2920 standard of at least 12 J/(kg/m2). The invention also relates to antiballistic articles.

    Abstract translation: 本发明涉及一种制备抗菌制品的方法，该方法包括：a）提供具有至少一层包含半结晶热塑性聚合物A的至少一层I的透明单轴拉伸聚合物膜和至少一层包含非晶态 或半结晶热塑性聚合物B，其聚合物B的玻璃化转变温度低于聚合物A的熔融温度，如果聚合物B是无定形的，或聚合物B的熔融温度低于聚合物A的熔融温度，如果聚合物B 是半结晶的; b）将a）的至少两个单轴拉伸的聚合物膜以45°和135°之间的角度α堆叠，使得膜通过至少一层II与每个随后的膜接触以形成组件; c）如果聚合物B是无定形的或高于聚合物B的熔融温度（如果聚合物B是半结晶的）且低于聚合物A的熔融温度，则聚合物B的玻璃化转变温度以上的温度， 获得至多50％的雾度，并且根据STANAG 2920标准具有至少12J /（kg / m 2）的17粒FSP的能量吸收。 本发明还涉及抗菌制品。

    High strength polyamide yarn
    4.
    发明授权
    High strength polyamide yarn 有权

    公开(公告)号：US10370780B2

    公开(公告)日：2019-08-06

    申请号：US15551633

    申请日：2016-02-23

    Applicant: DSM IP ASSETS B.V.

    Inventor： Martinus Joseph Maria Keulers ,  Roman Stepanyan ,  Hao Chen

    IPC: D02G3/04 ,  D01D5/16 ,  D01F6/80 ,  D02G3/44

    Abstract: The invention relates to a yarn comprising a copolyamide in an amount of at least 90 wt % with respect to the total weight of the yarn, which copolyamide comprises a) at least 95 wt % by weight with respect to the total weight of copolyamide, monomeric units derived from hexamethylene diamine and adipic acid and b1) cyclic monomeric units derived from a diamine X, and cyclic monomeric units derived from a diacid Y, and/or b2) cyclic monomeric units derived from an amino acid Z, in which the summed amount of monomeric units derived from X,Y and Z is between 0.1 to 4.5 wt % by weight with respect to the total weight of the copolyamide and wherein the yarn has a tensile strength of at least 80 cN/tex as measured according to ASTM D885-04. The invention also relates to a process for preparing the yarn.

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