Title:
低温収縮性フィルム
Document Type and Number:
Japanese Patent JP4744300
Kind Code:
B2
Abstract:
An object of the present invention is to provide a shrinkable film excellent in dimensional stability at a temperature of 60°C and having good shrink properties in a temperature of 100°C and 120°C. A low-temperature shrinkable film includes a film composed of at least one layer including at least one ethylene-±-olefin copolymer (A) with a density of from 0.870 g/cm 3 to 0.920 g/cm 3 and at least one ethylenic copolymer (B) having a main peak below 110°C in the 2nd fusion behavior of differential scanning calorimetry, wherein the proportion of the heat of fusion at 100°C or below to the total heat of fusion is from 50% to 100% in the 2nd fusion behavior of differential scanning calorimetry for ethylene-±-olefin copolymer (A); the proportion of the heat of fusion at 100°C or below to the total heat of fusion is from 60% to 100% in the 2nd fusion behavior of differential scanning calorimetry for the film; and the average value of a heat shrinkage percentage in the longitudinal direction and a heat shrinkage percentage in the lateral direction of the film is from 0 to 15% at 60°C, 50% or greater at 100°C and 70% or greater at 120°C.
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Inventors:
Masayuki Yoshino
Harenori Takeda
Harenori Takeda
Application Number:
JP2005515657A
Publication Date:
August 10, 2011
Filing Date:
November 19, 2004
Export Citation:
Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
C08J5/18; B29C55/28; B29C61/00; B29C61/06; B65D65/02; B65D71/00; B65D71/08; C08L23/08; C08L31/04; C08F210/16
Domestic Patent References:
| JP2001026053A | 2001-01-30 | |||
| JP2001240711A | 2001-09-04 | |||
| JPH08112885A | 1996-05-07 | |||
| JPH11124446A | 1999-05-11 | |||
| JPH11152377A | 1999-06-08 | |||
| JPH08311258A | 1996-11-26 |
Attorney, Agent or Firm:
Yoshiaki Matsui
Hideo Takei
Yoshio Narui
Hideo Takei
Yoshio Narui