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    • 77. 发明授权
    • Method of forming a tintable abrasion-resistant coating on a substrate
and article produced thereby
    • 在基材上形成可着色耐磨涂层的方法和由此制备的制品
    • US4550059A
    • 1985-10-29
    • US520459
    • 1983-08-04
    • Jeffrey L. DaltonPhilip M. Johnson
    • Jeffrey L. DaltonPhilip M. Johnson
    • B05D5/04B05D7/02B05D3/06
    • B05D7/02B05D3/0209B05D3/067Y10T428/31Y10T428/31507
    • A tintable abrasion-resistant coating is formed on a substrate such as a lens or other optical article by applying a radiation-curable coating to the surface of the substrate and partially curing the applied coating by exposure to radiation so as to produce from about 20% to about 80% cross-linking in the coating. The exposure to radiation is terminated when the coating is partially cured to provide a coated article which is tintable but capable of being handled for shipping to a retail finisher or the like for tinting and then completion of the cure by exposure to radiation. Preferably, a radiation-curable coating comprising a triacrylate or tetracrylate monomer and a monomer containing an N-vinyl imido group is applied to a substrate comprising polycarbonate, polyallyldiglycolcarbonate, or acrylic polymer.
    • 通过将可辐射固化涂层施加到基材的表面并通过暴露于辐射部分固化所涂覆的涂层,从而在诸如透镜或其它光学制品的基底上形成可着色的耐磨涂层,从而产生约20% 至约80%的交联。 当涂层被部分固化时,暴露于辐射被终止以提供涂层制品,该涂层制品是可着色的,但是能够被处理以运送到零售装订器等进行着色,然后通过暴露于辐射完成固化。 优选地,将包含三丙烯酸酯或四丙烯酸酯单体的可辐射固化涂料和含有N-乙烯基亚氨基的单体施加到包含聚碳酸酯,聚碳酸酯,聚丙烯酸酯或丙烯酸类聚合物的基材上。