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    • 9. 发明申请
    • Adhesive sheet and production method therefor
    • 粘合片及其制造方法
    • US20040170826A1
    • 2004-09-02
    • US10475158
    • 2004-04-23
    • Tomishi ShibanoMasafumi MitsuhashiToshiaki TotsukaToshihiro Tsutsui
    • B32B007/10B32B027/40B32B031/12B32B031/28B32B033/00
    • C09J175/16C09J7/38C09J2201/128C09J2475/00Y10T428/1476Y10T428/2809
    • The present invention provides a adhesive sheet which comprises a base material, a photocured urethane resin layer formed on all or a part of a surface of the base material or a surface of backside of the base material and an adhesive layer, wherein the adhesive layer comprises a polyurethane adhesive, and has a ball tack value of not more than 3 and a pressure-sensitive adhesive strength value to stainless steel board in Japanese Industrial Standard Z0237 of not more than 2 N/cm and a method of preparing thereof. The adhesive sheet of the present invention can prevent adhesive residue to the article and the like which were bound by the adhesive sheet, discoloration and stain of the bound portion on the article and the like, and inflammation of skin. Further, the adhesive sheet can be utilized for a binding band, a label and a binding tape which can prevent a discoloration and a decrease of pressure-sensitive adhesive strength after long term storage.
    • 本发明提供一种粘合片,其包括基材,形成在基材的表面的全部或一部分上的基底材料的表面或粘合剂层的背面的表面的光固化聚氨酯树脂层,其中粘合剂层包含 聚氨酯粘合剂,并且具有不大于3的球粘度值和日本工业标准Z0237中不锈钢板的压敏粘合强度值不大于2N / cm及其制备方法。 本发明的粘合片可以防止由粘合片粘合的制品等的粘合剂残留物,制品上的结合部分的变色和污渍等以及皮肤的炎症。 此外,粘合片可以用于结合带,标签和装订带,其可以防止长期保存后的变色和压敏粘合强度的降低。