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    • 109. 发明授权
    • Methods of producing an article which includes a light energy cured
coating material
    • 制造包含光能固化涂层材料的制品的方法
    • US5219623A
    • 1993-06-15
    • US876893
    • 1992-04-30
    • James R. Petisce
    • James R. Petisce
    • B01J19/08B01J19/12B29C35/08B29C35/10B29C35/12B29C35/14C03C25/10C03C25/12
    • C03C25/12B01J19/087B01J19/123B29C35/10B29C35/14C03C25/1055B01J2219/0852B01J2219/0854B29C2035/0827B29C35/12B29L2011/0075
    • In the manufacture of an article such as optical fiber which includes a light energy cured coating material, fiber (21) is drawn from a preform (22) and coating with one or preferably two layers (42,44) of light curable coating materials. Afterwards, the coating materials are cured. Increases in manufacturing line speed may be achieved if the cure speed of the coating materials is increased. This is accomplished by the simultaneous application of a magnetic field during irradiation of the curable coating materials to enhance the crosslinking of the coating materials by a free radical polymerization mechanism. Upon absorption of light, a photoinitiator in each composition cleaves to produce two free radical fragments in the spin paired or singlet state. The magnetic field has the effect of enhancing the production of spin parallel radicals which enhances the polymerization initiation of the coating material, thereby allowing an increase in the manufacturing line speed through drawing and coating apparatus.
    • 在包括光能固化涂层材料的诸如光纤的制品的制造中,从预成型件(22)中抽出纤维(21)并涂覆一种或优选两层(42,44)的可光固化涂层材料。 之后,涂层材料固化。 如果涂层材料的固化速度提高,则可以实现生产线速度的提高。 这是通过在可固化涂层材料的照射期间同时施加磁场来实现的,以通过自由基聚合机制增强涂层材料的交联。 在吸收光时,每个组合物中的光引发剂切割以产生自旋配对或单重态的两个自由基片段。 磁场具有增强自旋平行自由基的产生的效果,这增强了涂料的聚合引发,从而允许通过拉伸和涂布装置增加制造线速度。