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    • 6. 发明公开
    • MODIFIED POLYMERS HAVING CONTROLLED TRANSMISSION RATES
    • 具有受控传输率的改性聚合物
    • EP1092120A1
    • 2001-04-18
    • EP99924541.8
    • 1999-05-25
    • Capitol Specialty Plastics, Inc.
    • HEKAL, Ihab, M.
    • F26B25/16
    • B29C45/16B01J20/28014B01J20/28033B01J20/28042B65D81/264B65D81/266C08J9/26F26B21/083Y10T428/12479Y10T428/13Y10T428/1352
    • The present invention includes processes and resulting structures for producing a modified polymer having channels. The channels act as controlled transmission passages through the polymer. A polymer (25) is caused to assume a molten state, typically by applying heat and melting the polymer. A channeling agent (35) is blended then reacted into the polymer so that it is distributed within the polymer. In one embodiment, an absorbtion additive (30) is blended into the product so that the additive forms passages (45) in the product through which a desired compound is communicable to the additive that is entrained within the product. The solidified product may be used to form a desired shaped article such as plug type inserts (55) and liners (70) for closed containers (60), or it may be formed into a film, sheet (75), bead, or pellet.
    • 本发明包括用于生产具有通道的改性聚合物的方法和所得结构。 通道用作通过聚合物的受控传输通道。 典型地通过加热并熔化聚合物使聚合物(25)呈现熔融状态。 混合沟道剂(35),然后反应成聚合物,使其分布在聚合物内。 在一个实施方案中,将吸收添加剂(30)混入产品中,使得添加剂在产品中形成通道(45),期望的化合物可通过该通道传导至夹带在产品内的添加剂。 该固化产品可以用于形成所需的成型制品,例如用于封闭容器(60)的塞型插入件(55)和衬垫(70),或者其可以形成为薄膜,片材(75),珠子或丸粒 。