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    Method for enhancing the pullout strength of polymer-coated optical fiber
    1.
    发明授权
    Method for enhancing the pullout strength of polymer-coated optical fiber 失效
    提高聚合物涂层光纤拉拔强度的方法

    公开(公告)号：US5473720A

    公开(公告)日：1995-12-05

    申请号：US207528

    申请日：1994-03-07

    申请人： Yussuf S. Ali ,  Darryl L. Brownlow ,  Howard E. Katz ,  Valerie J. Kuck ,  Marcia L. Schilling ,  Lloyd Shepherd

    发明人： Yussuf S. Ali ,  Darryl L. Brownlow ,  Howard E. Katz ,  Valerie J. Kuck ,  Marcia L. Schilling ,  Lloyd Shepherd

    IPC分类号： G02B6/44 ,  C03B37/12 ,  C03C25/10 ,  C03C25/12 ,  G02B6/036 ,  G02B6/10 ,  B05D5/00

    CPC分类号： C03C25/12 ,  G02B6/02395

    摘要： Applicants have discovered that low pullout strength of optical fiber is attributable to volatile, unreacted monomers and impurities which result from the incomplete polymerization of liquid coating materials. They have further discovered that removing these unreacted liquids as by heating in air, heating in vacuum or by application of a solvent mixture improves fiber coating adhesion. By heating cured polymer-coated fiber in air at temperatures of 100.degree. C. or more, the fiber pullout strength is enhanced by 25% or more. This postcure heating can advantageously be clone off-line by placing loosely wound fiber in a heated oven. Alternatively, the postcure heating can be done on-line by reel-to-reel passage of the fiber through a heated furnace. Preferred temperatures are in the range 100.degree. C.-300.degree. C. Even greater enhancement of pullout strength can be effected by heating in vacuum or by solvent extraction.

    摘要翻译： 申请人已经发现，光纤的低拉拔强度归因于液体涂料的不完全聚合引起的挥发性，未反应的单体和杂质。 他们进一步发现，通过在空气中加热，真空加热或通过施加溶剂混合物除去这些未反应的液体，可以改善纤维涂层的附着力。 通过在空气中固化的聚合物涂覆的纤维在100℃或更高的温度下加热，纤维拔出强度提高了25％以上。 这种后固化加热可以有利地通过将松散缠绕的纤维放置在加热的烘箱中离线来克隆。 或者，可以通过纤维通过加热炉的卷到盘通过在线进行后固化加热。 优选的温度在100℃-300℃的范围内。通过在真空中或通过溶剂萃取加热可以进一步提高拉拔强度。