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    • 44. 发明申请
    • Methods and Compositions for Providing Preferential Adhesion and Release of Adjacent Surfaces
    • 提供相邻表面的优先粘附和释放的方法和组合
    • US20080110557A1
    • 2008-05-15
    • US11560266
    • 2006-11-15
    • Frank Y. Xu
    • Frank Y. Xu
    • B32B38/10B32B37/12C09J4/02
    • B32B38/06B82Y10/00B82Y40/00G03F7/0002
    • The present invention provides a method and composition for providing preferential adhesion and release of adjacent surfaces, that features solidifying a composition to form a solidified layer having first and second opposed sides, with the first side facing a first surface and being adhered thereto with a first adhesive forces and the second side facing the second surface and being adhered thereto with a second adhesive force, with the first and second adhesive forces establishing a predetermined preferential adhesion ratio. Generally, the first surface is covalently bonded to the first side and adhesion between the second side and the second surface occurs through Van der Waal forces. It has been found that the use of a fluorine group for enhancing the release properties (as a priori fluorinated release layer or a fluorinated release agent) is no longer needed for such method and composition. In one embodiment, the composition can be formed from an isobornyl acrylate component; an aliphatic urethane acrylate component; a 1,6-hexanediol diacrylate component; and a 2-hydroxy-2-methyl-1-phenyl-propan-1-one component. The first surface can be formed by polymerizing a compound formed from a multi-functional component that contains functional groups facilitating the formation of covalent bonds with the above mentioned polymerizable composition during an imprinting process, a cross-linking agent component, a catalyst component, and a solvent component. The second surface is usually a patterned or smoothed portion of a quartz mold.
    • 本发明提供了一种用于提供相邻表面的优先粘合和释放的方法和组合物,其特征在于固化组合物以形成具有第一和第二相对侧的固化层,其中第一侧面向第一表面并且用第一 粘合力并且第二面朝向第二表面并且以第二粘合力粘附到其上,第一和第二粘合力确定预定的优先粘合比。 通常,第一表面共价结合到第一侧,并且通过范德华力产生第二侧和第二表面之间的粘合。 已经发现,对于这种方法和组成,不再需要使用用于提高剥离性能的氟基(作为先验氟化脱模层或氟化脱模剂)。 在一个实施方案中,组合物可由丙烯酸异冰片酯组分形成; 脂肪族聚氨酯丙烯酸酯组分; 1,6-己二醇二丙烯酸酯组分; 和2-羟基-2-甲基-1-苯基 - 丙-1-酮组分。 第一表面可以通过聚合由多功能组分形成的化合物形成,所述多官能组分含有促进在压印过程中与上述可聚合组合物共价键形成的官能团,交联剂组分,催化剂组分和 溶剂组分。 第二表面通常是石英模具的图案化或平滑化部分。