Method for the production of polyamides by adding polyethyleneglycol having a low index of dispersion
    1.
    发明授权
    Method for the production of polyamides by adding polyethyleneglycol having a low index of dispersion 失效
    通过加入低分散指数的聚乙二醇生产聚酰胺的方法

    公开(公告)号:US3917740A

    公开(公告)日:1975-11-04

    申请号:US34553673

    申请日:1973-03-28

    Applicant: SNIA VISCOSA

    CPC classification number: C08L77/00 Y10S524/91 Y10S524/914 C08L2666/22

    Abstract: An antistatic additive for polyamide fibres is disclosed, which is a polyoxyethylene having an average molecular weight of 20,000 and a very narrow range of molecular weight, the molecular dispersion index ranging from 1.02 to 1.2. The antistatic mode of action of the additive according to the invention is not completely elucidated, but outstanding and persistent antistatic properties have been experimentally ascertained. The maximum amount to be used is 0.5% by weight with respect to the polymer; higher amounts are in no wise detrimental, but afford no advantage.

    Abstract translation: 公开了一种聚酰胺纤维的抗静电添加剂,其是平均分子量为20,000,分子量范围非常窄的聚氧乙烯,分子分散指数为1.02〜1.2。 根据本发明的添加剂的抗静电作用方式尚未完全阐明,但是已经通过实验确定了突出和持久的抗静电性能。 相对于聚合物,最大使用量为0.5重量% 更高的数额并不是有害的,但没有任何优势。

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