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    • 10. 发明申请
    • METHOD FOR LATEX-FREE COLD SEALING AND COMPOSITIONS USED THEREIN
    • 无密封密封方法及其使用的组合物
    • WO01014477A1
    • 2001-03-01
    • PCT/US2000/023486
    • 2000-08-25
    • B65B61/00C08L11/02C08L93/00C08L93/04C09J111/02C09J193/00C09J193/04C08J3/02
    • C09J111/02B65B61/00C08L11/02C08L93/00C08L93/04C08L2666/02C08L2666/08C09J193/00C09J193/04
    • This invention is directed to a method for cold sealing a plurality of substrates, typically plastics, foil, paper or combinations thereof, utilizing a cold-sealable adhesive composition that is free of natural latexes ("natural latex-free"). The present invention is also directed to a natural latex-free, cold-sealable adhesive composition that as used therein comprising a latex polychloroprene in the range between about 40% to 100% by weight and a tackifier resin dispersion in the range of about 60% to 0% by weight. In another embodiment, the present invention is directed to a sealed package, wherein the package is sealed in accordance with the method and/or composition of the present invention. A cold seal adhesive composition of the present invention is particularly suitable for use in high-speed printing press and preferably by means of the forward gravure method.
    • 本发明涉及一种用于冷冻多个基材(通常是塑料,箔,纸或其组合)的方法,其中使用不含天然胶乳(“天然乳胶”)的可冷封的粘合剂组合物。 本发明还涉及一种天然乳胶,可冷封的粘合剂组合物,其中使用的粘合剂组合物包含约40%至100%重量的胶乳聚氯丁二烯和约60%至约60%范围内的增粘剂树脂分散体, 至0重量%。 在另一个实施方案中,本发明涉及密封包装,其中根据本发明的方法和/或组合物密封包装。 本发明的冷封粘合剂组合物特别适用于高速印刷机,优选通过正向凹版印刷法。