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    • 36. 发明申请
    • PROCESS FOR PRODUCING PLASTIC BOTTLE
    • 生产塑料瓶的工艺
    • US20120013049A1
    • 2012-01-19
    • US13259171
    • 2010-03-26
    • Takahiro HorikoshiTsuyoshi UrushiharaYota Tsuneizumi
    • Takahiro HorikoshiTsuyoshi UrushiharaYota Tsuneizumi
    • B29C49/06
    • B29C45/00C08J3/226C08J2367/02C08J2467/00C08K5/47C08L67/02
    • Provided in a method of producing a plastic bottle in which molding cycle is improved and a highly transparent plastic bottle rarely having a problem of discoloration such as whitening is produced. The method according to the present invention is a method of producing a plastic bottle comprising 0.005 to 0.025 parts by mass of a 1,2-benzisothiazol-3(2H)-one 1,1-dioxide compound with respect to 100 parts by mass of a polyester resin, the method comprising preparing a masterbatch containing 0.01 to 0.5 parts by mass of the above-described 1,2-benzisothiazol-3(2H)-one 1,1-dioxide compound with respect to 100 parts by mass of the polyester resin, subsequently mixing the masterbatch and polyester resin to produce a mixture, and molding the mixture into the shape of a bottle. Further, it is preferred that the above-described polyester resin be a polyethylene terephthalate resin.
    • 本发明提供一种塑料瓶的制造方法,其中成型循环得到改善,并且产生了很少具有白化等变色问题的高透明塑料瓶。 根据本发明的方法是一种制造塑料瓶的方法,其包含相对于100质量份的1,2-苯并异噻唑-3(2H) - 酮1,1-二氧化物化合物,含有0.005〜0.025质量份的1,2-苯并异噻唑-3(2H) 聚酯树脂,该方法包括相对于100质量份聚酯制备含有0.01至0.5质量份上述1,2-苯并异噻唑-3(2H) - 酮1,1-二氧化物化合物的母料 树脂,随后将母料和聚酯树脂混合以产生混合物,并将混合物模塑成瓶的形状。 此外,优选上述聚酯树脂是聚对苯二甲酸乙二醇酯树脂。