发明名称 |
Multi-layer packaging film and receptacles made therefrom |
摘要 |
A multi-layer, oriented, heat shrinkable thermoplastic film comprising: (i) a layer composed of a blend of ethylene-vinyl acetate copolymer and a linear ethylene-alpha-olefin copolymer; (ii) a layer composed of (a) a linear ethylene-alpha-olefin copolymer; (b) a material selected from the group consisting of ethylene-vinyl acetate copolymers and ethylene-n-butyl acrylate copolymers; and (c) a narrow molecular weight linear ethylene-alpha-olefin copolymer having a density of less than 0.900 g/cc; (iii) a layer composed of a vinylidene chloride copolymer or an ethylene-vinyl acetate copolymer in which the acetate moieties have been partially or completely hydrolyzed; and (iv) a layer composed of a copolymer of ethylene-vinyl acetate or a blend of ethylene-vinyl acetate copolymer and ethylene-alpha-olefin copolymer.
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申请公布号 |
US5629059(A) |
申请公布日期 |
1997.05.13 |
申请号 |
US19930163451 |
申请日期 |
1993.12.07 |
申请人 |
W.R. GRACE & CO.-CONN. |
发明人 |
DESAI, BANKIM B.;THOMSON, DAVID H.;MOIR, WILLIAM A. |
分类号 |
B65D65/40;B65D75/00;(IPC1-7):B65B53/00;B27M3/00;B32B27/08 |
主分类号 |
B65D65/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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