Optical fibres based on polycarbonate fibres, and a process for the
production thereof
    13.
    发明授权
    Optical fibres based on polycarbonate fibres, and a process for the production thereof 失效
    基于聚碳酸酯纤维的光纤及其制造方法

    公开(公告)号:US4919514A

    公开(公告)日:1990-04-24

    申请号:US294079

    申请日:1989-01-05

    摘要: A process for the production of optical fibers based on aromatic polycarbonates wherein the polycarbonate fibres are coated with a plastic, the improvement which comprises(a) to coat the fiber with an UV irradiation-polymerizable mixture which comprises(A) 25 to 75% by weight, based on the total weight of the polymerizable compounds, of a polyfunctional (meth)acrylic acid derivative of the formula ##STR1## (B) 75 to 25% by weight, based on the total weight of the polymerizable compounds, of a monofunctional (meth)acrylate of the formula ##STR2## (C) 0.1 to 10% by weight, based on the total weight of the polymerizable compounds, of a photoinitiator, and(b) to polymerize this mixture on the fibre by UV irradiation.

    摘要翻译: 一种用于生产基于芳族聚碳酸酯的光纤的方法,其中聚碳酸酯纤维用塑料涂覆,其改进包括(a)用UV辐射可聚合混合物涂覆纤维,所述混合物包含(A)25至75% 基于可聚合化合物的总重量,基于总重量的75至25重量%的式(I)+ TR(IMA)(B)的多官能(甲基)丙烯酸衍生物 的可聚合化合物,式(III)(C)的单官能(甲基)丙烯酸酯占基于可聚合化合物的总重量的0.1至10重量%的光引发剂,和(b)至 通过紫外线照射在纤维上聚合该混合物。

    Active compound release systems
    15.
    发明授权
    Active compound release systems 失效
    活性化合物释放系统

    公开(公告)号:US4661104A

    公开(公告)日:1987-04-28

    申请号:US681976

    申请日:1984-12-14

    摘要: In a therapeutic system such as a plaster for administration of an active compound through the skin and comprising a covering layer which is essentially impermeable to the active compound, an active compound reservoir layer and a protective layer which can be pulled off and which is essentially impermeable to the active compound, the improvement wherein the reservoir layer contain about 1-30% of active compound in an elastomer mixture comprising a predominantly amorphous olefinic (co)polymer with a glass transition temperature of

    摘要翻译: 在诸如用于通过皮肤施用活性化合物的石膏的治疗系统中,包括基本上不可渗透活性化合物的覆盖层,活性化合物储存层和可以被拉出并且基本上不渗透的保护层 对活性化合物的改进,其中储层在含有玻璃化转变温度<20℃的主要是无定形烯烃(共)聚合物的弹性体混合物中含有约1-30%的活性化合物,与0混合 至约50重量%的聚异丁烯,聚丁二烯油和/或石蜡油,以及增粘树脂。 因此,活性化合物可以在更长的时间内以相对大的量调节释放。

    Polyether-polycarbonates for dialysis membranes
    19.
    发明授权
    Polyether-polycarbonates for dialysis membranes 失效
    用于透析膜的聚醚 - 聚碳酸酯

    公开(公告)号:US4563516A

    公开(公告)日:1986-01-07

    申请号:US640914

    申请日:1984-08-15

    摘要: The present invention relates to a process for the preparation of polyether-polycarbonates, a process for stabilizing the polyether-polycarbonates thus prepared, a process for the production of membranes from the polyether-polycarbonates prepared according to the invention, stabilized membranes obtainable by the process according to the invention and the use of the polyether-polycarbonate membranes obtainable by the process according to the invention for dialysis, ultrafiltration and reverse osmosis.

    摘要翻译: 本发明涉及一种制备聚醚 - 聚碳酸酯的方法,一种稳定所制备的聚醚 - 聚碳酸酯的方法,由根据本发明制备的聚醚 - 聚碳酸酯生产膜的方法,可通过该方法获得的稳定的膜 根据本发明以及通过根据本发明的方法可获得的聚醚 - 聚碳酸酯膜用于透析,超滤和反渗透。