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    • 3. 发明授权
    • Method for producing foamed pressure-sensitive adhesive tape or sheet
    • 生产泡沫压敏粘合带或片材的方法
    • US06224938B1
    • 2001-05-01
    • US09456910
    • 1999-12-07
    • Tomohide BambaTakayuki YamamotoTomohiro TarunoMitsuhiro KanadaYoshihiro Minamizaki
    • Tomohide BambaTakayuki YamamotoTomohiro TarunoMitsuhiro KanadaYoshihiro Minamizaki
    • B05D100
    • C09J7/385Y02P20/544
    • A method and apparatus for producing a foamed pressure-sensitive adhesive tape or sheet having a fine cell structure with a good production efficiency without through complicated steps are provided. The method comprises subjecting a mixture containing monomers of a polymer constituting a foamed pressure-sensitive adhesive layer to polymerization in an inert fluid in a supercritical state or a liquid state under pressure, and ejecting the polymerized composition obtained on a substrate under a pressure lower than the pressure in the polymerization to form a foamed pressure-sensitive adhesive layer applied on the substrate. The apparatus comprises a pressure vessel for polymerizing monomers of a polymer constituting a foamed pressure-sensitive adhesive layer under pressure, an inert fluid supplying means for supplying an inert fluid in a supercritical state or a liquid state to the pressure vessel, and an ejection means for ejecting the polymerized composition obtained by polymerizing the monomers.
    • 提供了一种不经过复杂步骤生产具有良好生产效率的细胞结构的泡沫压敏粘合带或片材的方法和装置。该方法包括使构成发泡压敏粘合剂的聚合物的混合物 在超临界状态或压力状态的惰性流体中进行聚合,并在低于聚合反应压力的压力下喷射在基材上得到的聚合组合物,形成施加在基材上的发泡压敏粘合剂层 该装置包括用于在压力下聚合构成发泡压敏粘合剂层的聚合物的单体的压力容器,用于将超临界状态或液态的惰性流体供应到压力容器的惰性流体供给装置,以及喷射 用于喷射通过聚合得到的聚合组合物的方法 单体。