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    • 80. 发明申请
    • HEAT-SEALABLE MULTILAYER PACKAGING FILM WITH IMPROVED OPACITY
    • 具有改善的不透明度的热密封多层包装膜
    • WO2018000411A1
    • 2018-01-04
    • PCT/CN2016/088098
    • 2016-07-01
    • THE PROCTER & GAMBLE COMPANYBROWN, April RenaeBROYLES, Norman ScottGILBERTSON, Gary WayneKOHLWEYER, ChristianWANG, Fei
    • BROWN, April RenaeBROYLES, Norman ScottGILBERTSON, Gary WayneKOHLWEYER, ChristianWANG, Fei
    • B32B27/20
    • An improved multilayer polymer film is disclosed. The film may include a first skin layer(31), a second skin layer(32), and an intermediate layer(33) between the skin layers. The first, second and intermediate layers may be formed of respective first, second and intermediate polymer compositions. Each layer may have distributed therein particles of titanium dioxide to a weight content of from 6 percent to 14 percent. One or both the second skin layer(32) and the intermediate layer(33) may have distributed therein non-white pigment particles to a weight content of from 0.050 percent to 0.15 percent of such layer (s). The contents and distribution among layers of the pigments may provide for relatively disproportionate improvement of opacity while preserving a neutral white color surface to receive ink-printing, enabling high conformity of printed colors with target colors, and preserving weldability of the film to itself.
    • 公开了一种改进的多层聚合物膜。 所述膜可以包括第一表皮层(31),第二表皮层(32)以及皮层之间的中间层(33)。 第一,第二和中间层可以由相应的第一,第二和中间聚合物组合物形成。 每层可以具有分布在其中的二氧化钛颗粒,其重量含量为6%至14%。 第二表皮层(32)和中间层(33)中的一者或两者可具有分布在其中的非白色颜料颗粒,其重量含量为该层的0.050%至0.15%。 颜料各层之间的含量和分布可以提供不透明度的相对不成比例的改进,同时保持中性白色表面以接受油墨印刷,使得印刷颜色与目标颜色高度一致,并且保持薄膜自身的可焊性。 / p>