Method of manufacturing acrylic fibers
    2.
    发明授权
    Method of manufacturing acrylic fibers 失效
    丙烯酸纤维的制造方法

    公开(公告)号:US4002809A

    公开(公告)日:1977-01-11

    申请号:US348917

    申请日:1973-04-09

    IPC分类号: C08L33/20 D01F6/18 C08K5/00

    摘要: A method of manufacturing acrylic fibers free from delustering in boiling water, comprises the steps of forming a spinning solution by dissolving in a solvent of acetone, acetonitrile, dimethylformamide and mixtures thereof, (a) a copolymer consisting of (1) 30 - 80% acrylonitril and (2) 70 - 20% vinyl chloride or vinylidenechloride, or (b) a tripolymer consisting of (1), (2) and (3) 3.0% or less by weight of ethylenically unsaturated monomer having hydrophilic groups, and adding one or more compound selected from the group of (1) homopolymer or copolymer of glycidyl methacrylate and (2) specific organic tin compounds, and spinning said spinning solution into a first bath consisting of 60% or less said organic solvent-water and leading said yarn in a 2nd bath consisting of 61 - 85% said organic solvent-water and then in a 3rd and more bath consisting of less than 60% said organic solvent-water and drying, drawing out and annealing said yarn by ordinary methods.

    摘要翻译: 一种制备在沸水中无消光的丙烯酸纤维的方法包括以下步骤:通过溶解在丙酮,乙腈,二甲基甲酰胺及其混合物的溶剂中形成纺丝溶液,(a)由(1)30-80% 丙烯腈和(2)70-20%的氯乙烯或亚氯酸基氯化物,或(b)由(1),(2)和(3)组成的三元共聚物,具有3.0%或更少的具有亲水基团的烯属不饱和单体, 或更多选自(1)甲基丙烯酸缩水甘油酯和(2)特定有机锡化合物的均聚物或共聚物的化合物,并将所述纺丝溶液旋转到由60%以下的所述有机溶剂 - 水组成的第一浴中,并引导所述纱线 在第二浴中由61-85%的有机溶剂 - 水组成,然后在由少于60%的所述有机溶剂 - 水组成的第三和更多的浴中干燥,通过常规方法拉伸和退火所述纱线。

    Filament for wig
    4.
    发明授权
    Filament for wig 失效
    假发假发

    公开(公告)号:US4311761A

    公开(公告)日:1982-01-19

    申请号:US184019

    申请日:1980-09-04

    IPC分类号: D01D5/253 D02G3/02 D02G3/00

    摘要: A synthetic fiber filament usable for the manufacture of wigs, comprising, in cross section, a center portion, and connected thereto and extending outwardly therefrom three substantially rectangular portions. The novel structure provides unexpectedly good and durable tight curls and bulkness.

    摘要翻译: 一种可用于制造假发的合成纤维丝,其横截面包括中心部分并且连接到其上并从其向外延伸三个基本上矩形的部分。 新颖的结构意想不到地提供了良好和耐用的紧卷和体积。

    Method of manufacturing acrylic fibers
    5.
    发明授权
    Method of manufacturing acrylic fibers 失效
    丙烯酸纤维的制造方法

    公开(公告)号:US3943223A

    公开(公告)日:1976-03-09

    申请号:US479334

    申请日:1974-06-14

    IPC分类号: C08L33/20 D01F6/18

    CPC分类号: C08L33/20 D01F6/54

    摘要: A method of manufacturing acrylic fibers free from delustering in boiling water, comprises the steps of forming a spinning solution by dissolving in a solvent of Aceton et al, (a) a copolymer consisting of (1) 30 - 80% acrylonitril and (2) 70 - 20% vinyl chloride or vinylidenechloride, or (b) a tripolymer consisting of (1), (2) and (3) 3.0% or less by weight of ethylenically unsaturated monomer having hydrophilic radicals, and adding one or more compound selected from the group of (1) homopolymer or copolymer of glycidyl methacrylate and (2) specific organic tin compounds, and spinning said spinning solution into a first bath consisting of 60% or less said organic solvent-water and leading said yarn in a 2nd bath consisting of 61 - 85% said organic solvent-water and then in a 3rd and more bath consisting of less than 60% said organic solvent-water and drying, drawing out and annealing said yarn by ordinary methods.

    摘要翻译: 制备在沸水中无消光的丙烯酸纤维的方法包括以下步骤:通过溶解Aceton等人的溶剂形成纺丝溶液,(a)由(1)30-80%丙烯腈和(2) 70〜20%的氯乙烯或偏二氯乙烯,或(b)由(1),(2)和(3)组成的三元共聚物,具有3.0%或更少的具有亲水基团的烯键式不饱和单体,并加入一种或多种选自 (1)甲基丙烯酸缩水甘油酯的均聚物或共聚物和(2)特定有机锡化合物的组,并将所述纺丝溶液旋转到由60%或更少的所述有机溶剂 - 水组成的第一浴中,并使所述纱线在第二浴中 为61〜85%的有机溶剂 - 水,然后在由少于60%的有机溶剂 - 水组成的第三和更多的浴中进行干燥,通过常规方法拉伸和退火所述纱线。