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    • 9. 发明授权
    • Lamination by radiation through a ply
    • 通过辐射通过层层叠
    • US06569280B1
    • 2003-05-27
    • US09187702
    • 1998-11-06
    • Rajendra MehtaGary DollWatson GullettA. Dale Lakes
    • Rajendra MehtaGary DollWatson GullettA. Dale Lakes
    • B32B3128
    • B42D5/027Y10T428/14
    • A laminated product is provided including a carrier sheet, a polymeric film ply, a polymeric card ply, and a radiation-curable laminating adhesive. The polymeric film ply is secured to the carrier sheet and extends over a cut-out portion formed in the carrier sheet. The polymeric card ply is positioned within the cut-out portion. Either the film ply, the card ply, or both, are transparent to electromagnetic radiation. The radiation-curable laminating adhesive is positioned to secure the polymeric card ply to the exposed ply portion and comprises a bonding agent, a monomer, an oligomer, a tackifier, and a photocatalyst. The bonding agent is present in a quantity sufficient to improve the bonding characteristics of the adhesive composition. The monomer is present in a quantity sufficient to (i) increase the flexibility of the adhesive composition, and (ii) increase the tendency of the adhesive composition to release substantially cleanly from a surface to which it is bonded. The oligomer is present in a quantity sufficient to increase the dimensional stability of the adhesive composition. The tackifier is present in a quantity sufficient to increase the uncured tack of the adhesive composition. The photocatalyst is present in a quantity sufficient to increase the tendency of the adhesive composition to cure upon exposure to electromagnetic radiation.
    • 提供了包括载体片,聚合物膜层,聚合物卡片层和可辐射固化层压粘合剂的层压产品。 聚合物膜层被固定到载体片材上并且在形成于载体片材中的切口部分上延伸。 聚合物卡片层位于切口部分内。 电影层,卡片层或两者都对电磁辐射是透明的。 放射线固化的层压粘合剂被定位成将聚合物卡片层固定到暴露的帘布层部分,并且包括粘合剂,单体,低聚物,增粘剂和光催化剂。 粘合剂的存在量足以提高粘合剂组合物的粘结特性。 单体的存在量足以(i)增加粘合剂组合物的柔韧性,和(ii)增加粘合剂组合物从其结合的表面基本上干净地释放的趋势。 低聚物的存在量足以增加粘合剂组合物的尺寸稳定性。 增粘剂以足以增加粘合剂组合物的未固化粘性的量存在。 光催化剂的存在量足以增加粘合剂组合物在暴露于电磁辐射时固化的倾向。