Resin composition and food packaging materials formed therefrom
    1.
    发明授权
    Resin composition and food packaging materials formed therefrom 失效
    由其形成的树脂组合物和食品包装材料

    公开(公告)号:US5318812A

    公开(公告)日:1994-06-07

    申请号:US115658

    申请日:1993-09-03

    摘要: Food packaging-use formed articles including at least one layer of a 3 to 90 microns thickness which comprises a composition consisting of polyvinyl alcohol resin having a degree of saponification of 60 to 95 mole % (A) and a compound elected from a group of alkylene glycol polymer, etc. falling within the range of from 3 weight parts of (B) to 100 weight parts of (A) to the saturated solubility of (B) in (A) and having a carbon dioxide/oxygen solubility ratio (SCO.sub.2 /SO.sub.2) of 30 or higher.Furthermore, a resin composition consisting of the aforementioned (A), (B) and a saponified ethylene/vinylacetate copolymer resin (C) wherein the blending ratio of (B) is within the range of from 3 weight parts of (B) to 100 weight parts of (A) to the saturated solubility of (B) in (A), and the blending ratio of (C) being 20 to 50 weight parts of (C) to 100 weight parts of an aggregate of (A) and (C), and food packaging-use melt extruded articles containing at least one layer comprising the aforementioned composition.

    摘要翻译: 食品包装用途的成型制品包括至少一层3至90微米厚的层,其包含由皂化度为60至95摩尔%(A)的聚乙烯醇树脂和由亚烷基 乙二醇聚合物等在(A)的(B)3重量份至(A)的100重量份到(B)的饱和溶解度并且具有二氧化碳/氧溶解度比(SCO 2 / SO2)为30以上。 此外,由(A),(B)和乙烯/乙酸乙烯酯共聚物树脂(C)组成的树脂组合物,其中(B)的混合比例在3重量份(B)〜100 (A)的重量份数(A)中(B)的饱和溶解度,(C)的混合比为(C)为20〜50重量份(C)〜100重量份(A)和( C)和食品包装 - 使用包含至少一层包含上述组合物的熔融挤出制品。

    Laminated film
    6.
    发明授权
    Laminated film 失效
    层压膜

    公开(公告)号:US4320175A

    公开(公告)日:1982-03-16

    申请号:US142264

    申请日:1980-04-21

    IPC分类号: B65D65/40 B32B27/30 B32B27/08

    CPC分类号: B32B27/30 Y10T428/3192

    摘要: A laminated film containing at least two layers of which one layer is a gas-barriering layer comprising a copolymer of vinylidene chloride with a reduced viscosity of 0.030 to 0.050 and the other layer is a strengthening layer arranged to be adjacent to the gas-barriering layer, comprising a copolymer of vinylidene chloride with a reduced viscosity of 0.050 to 0.075.

    摘要翻译: 包含至少两层的层压膜,其中一层是气体阻挡层,其包含具有0.030至0.050的比浓粘度的偏二氯乙烯的共聚物,而另一层是布置成与气体阻挡层相邻的强化层 ,其包含具有0.050至0.075的比浓粘度的偏二氯乙烯的共聚物。