发明名称 |
WRAP FILM |
摘要 |
There is provided a packaging film that is free from occurrence of blocking upon storage, and deterioration in adhesion to containers even when used under low-temperature conditions, notwithstanding the film is produced while effectively utilizing exhaustible resources. A wrap film of the present invention comprises a laminated film constituted of at least three layers including opposite surface layers comprising a plant-derived polyethylene resin, in which the wrap film has a storage elastic modulus (E′) at 20° C. of 100 MPa to 4 GPa and an average loss tangent (tan δ) at −40 to 0° C. of not less than 0.08 as measured at an oscillation frequency of 10 Hz and a distortion of 0.1% by a dynamic viscoelasticity measuring method described in the Method A of JIS K 7198. |
申请公布号 |
US2015314574(A1) |
申请公布日期 |
2015.11.05 |
申请号 |
US201314647983 |
申请日期 |
2013.11.25 |
申请人 |
MITSUBISHI PLASTICS, INC. |
发明人 |
MOGAWA Ryo;NEMOTO Tomoyuki;NOGUCHI Akira |
分类号 |
B32B27/08;B32B27/34;B32B27/30;B32B27/32 |
主分类号 |
B32B27/08 |
代理机构 |
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代理人 |
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主权项 |
1. A wrap film which comprises a laminated film comprising at least three layers including both surface layers comprising a plant-derived polyethylene resin, and which has a storage elastic modulus (E′) at 20° C. of 100 MPa to 4 GPa and an average loss tangent (tan δ) at −40 to 0° C. of not less than 0.08 as measured at an oscillation frequency of 10 Hz and a distortion of 0.1% by a dynamic viscoelasticity measuring method described in the Method A of JIS K 7198. |
地址 |
Tokyo JP |