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    • 2. 发明申请
    • NOVEL PROCESS FOR MANUFACTURING FLAME-RETARDANT YARNS
    • 制造阻燃纱线的新工艺
    • US20170044694A1
    • 2017-02-16
    • US15305668
    • 2015-04-21
    • MERMET
    • François-Xavier DAMOUR, JR.
    • D02G3/40D01F8/04D01F1/07D01D11/06D02G3/44
    • D02G3/404D01D11/06D01F1/07D01F8/04D02G3/443
    • The present invention relates to a method of fabricating a yarn constituted by a multi-filament core coated in a polymer sheath. The sheath is made by depositing a miscible mixture of molten polymers on the multi-filament core, the mixture comprising: at least one flame-retarding agent; and at least two polymers that, in the molten state, do not establish mutual permanent chemical bonds, with one of the polymers, referred to as the co-flame-retarding polymer, presenting both a glass transition temperature that is significantly lower than the glass transition temperature of the other polymer, referred to as the base polymer, and also a melting temperature that is likewise significantly lower than the melting temperature of the base polymer; said deposition being followed by a cooling step during which the base polymer freezes first and the co-flame-retarding polymer migrates outwards entraining at least a fraction of the flame-retarding agent therewith.
    • 本发明涉及由涂覆有聚合物护套的复丝芯(1)组成的纱线(I)的制造方法。 护套通过在多丝芯(1)上沉积熔融聚合物的可混溶混合物来制备,所述混合物包括:至少一种阻燃剂(4)和至少两种在熔融状态下不形成的聚合物 与两种聚合物中的一种称为共阻燃聚合物,其一方面玻璃化转变温度明显低于另一种称为基础聚合物的聚合物的玻璃化转变温度,以及 另一方面,熔点也显着低于基础聚合物的熔点。
    • 4. 发明授权
    • Composite yarn, method for obtaining same and resulting textile structure
    • 复合纱线,获得相同方法和织物结构
    • US09045845B2
    • 2015-06-02
    • US12585662
    • 2009-09-21
    • Isabelle ConesaLaurence PolletPhilippe Berge
    • Isabelle ConesaLaurence PolletPhilippe Berge
    • B05D1/26B05D1/36D01D11/02D02G3/36D02G3/40D02G3/44
    • D02G3/404B05D1/265D02G3/44D02G3/443D10B2503/02
    • A composite yarn for technical or industrial use, particularly suitable for textile webs, is uniformly coated with a polymer and exhibits improved fir behavior and improved resistance to sheath stripping. The yarn may be obtained by a process where a continuous yarn, obtained by spinning a large number of fibers, such as about 100 to 600 fibers made of an organic or inorganic material, of a suitable yarn diameter, such as between about 1 to 10 micrometers, is subjected to a process for mechanically opening the yarn by splaying, to uniformly spread out and separate the fibers, including inner layers of the fibers, without impairing functional properties of the yarn, simultaneously with or prior to coating of the fibers by a polymer material having a viscosity between 1000 and 10,000 mPa·s, and formed to have a circular cross-section and uniformly distributed fibers throughout the cross-section of the polymer material to limit desheathing of the yarn.
    • 用于技术或工业用途的复合纱线,特别适用于纺织网,均匀地涂覆有聚合物,并且表现出改进的冷杉性能和改进的剥皮性能。 纱线可以通过以下方法获得,其中连续纱线通过纺丝大量纤维,例如由有机或无机材料制成的大约100至600根纤维,其具有合适的纱线直径,例如约1至10 进行用于通过展开机械地打开纱线的方法,以均匀地展开和分离包括纤维的内层的纤维,而不损害纱线的功能特性,同时或在将纤维涂覆之前由 聚合物材料的粘度为1000至10,000mPa·s,并且形成为具有圆形横截面并且在整个聚合物材料的横截面上均匀分布纤维以限制纱线的脱水。