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    • 5. 发明授权
    • Method of changing the surface wettability of polymer materials
    • 改变聚合物材料的表面润湿性的方法
    • US07288019B2
    • 2007-10-30
    • US10590395
    • 2004-11-30
    • Chaowei GuoLin FengLei Jiang
    • Chaowei GuoLin FengLei Jiang
    • B24B1/00
    • B29C59/02B29C2059/027
    • The present invention belongs to the field of surface modification of solid materials, specifically relates to a method of changing the surface wettability of polymer materials. The method of the present invention comprises of rubbing the surface of the polymer materials various times by using sand paper of different grades (GB/T 15305) with a determined pressure at the ambient temperature, so as to change the contact angle of said surface of polymer material with water thereby changing the surface wettability of the polymer materials to different degrees. The method of the present invention has advantages of using devices that are simple, low cost, and the surface characteristics of the polymer materials could be changed from hydrophilicity to hydrophobicity, from hydrophobicity to super hydrophobicity, or from hydrophilicity to super hydrophilicity, at ambient temperature without any special requirement to the polymer materials or the preparation process thereof.
    • 本发明属于固体材料的表面改性领域,具体涉及改变聚合物材料的表面润湿性的方法。 本发明的方法包括通过使用不同等级的砂纸(GB / T 15305)在环境温度下以确定的压力摩擦聚合物材料的表面,以便改变所述表面的接触角 聚合物材料与水,从而将聚合物材料的表面润湿性改变到不同程度。 本发明的方法具有使用简单,成本低廉的装置的优点,并且在环境温度下,聚合物材料的表面特性可以从亲水性变为疏水性,从疏水性变为超疏水性,或从亲水性变为超级亲水性 对聚合物材料或其制备方法没有任何特殊要求。
    • 6. 发明授权
    • Ice blasting apparatus and trimming method for film insert molding
    • 喷丸装置及胶片成型的修边方法
    • US07040962B2
    • 2006-05-09
    • US10988339
    • 2004-11-12
    • Shinichi MakinoNaokatsu Kojima
    • Shinichi MakinoNaokatsu Kojima
    • B24C1/04
    • B24C1/083B24C1/003B24C1/086B29C37/02B29C45/0055B29C45/14B29C2045/0058B29C2045/0077B29C2059/027
    • An ice blasting apparatus comprises: an ice making device operating a cutting blade to shave off ice freezing on an inner wall of the freezing casing and continuously discharges the shaved ice as flake-shaped ice pellets; an ice mixing tank mixing the ice pellets and water and maintaining the resulting ice slurry at a predetermined concentration with a concentration sensor; and a blast gun blasting the ice slurry. A trimming method is performed on a film insert molding with a film material adhering to a face of a resin molding and extending beyond a periphery edge of the resin molding. A blast gun facing the face with the film adhering to it blasts ice slurry of a required concentration toward the vicinity of the periphery edge of the resin molding to remove the unnecessary portion of the film material extending beyond the periphery edge of the resin molding.
    • 一种制冰装置,包括:制冰装置,其操作切割刀片,以在所述冷冻壳体的内壁上除冰结冰,并且连续地将所述刨冰作为片状冰粒排出; 冰混合罐混合冰粒和水,并用浓度传感器将所得冰浆保持在预定浓度; 和一个喷枪喷出冰浆。 在具有粘附在树脂模制品的表面并延伸超过树脂模制品的周边边缘的薄膜材料的薄膜嵌件模制件上进行修剪方法。 面对面的喷枪与附着在其上的膜一起,将所需浓度的冰浆朝向树脂模制品的周边边缘附近,以除去延伸超过树脂模制件周边边缘的薄膜材料的不必要部分。