Title:
ポリオレフィン複合フィルム
Document Type and Number:
Japanese Patent JP5755240
Kind Code:
B2
Abstract:
The polyolefin composite film is excellent in low-temperature heat sealability, heat-sealing strength and transparency, and at least has surface layer [i]//intermediate layer [iii]//core layer [ii], wherein the surface layer [i] includes a propylene resin composition including 0-50 wt% of a specific propylene/±-olefin random copolymer (A) and/or a specific 1-butene/±-olefin copolymer (E), and 50-100 wt% of a propylene polymer (B) having a melting point of 120-170°C ((A), (E) and (B) in the surface layer totals 100 wt%); the core layer [ii] includes a propylene resin composition including 70-100 wt% of a crystalline polypropylene (C) having a melting point of 150-170°C, and 0-30 wt% of the copolymer (A) ((C) and (A) in the core layer totals 100 wt%); and the intermediate layer [iii] includes a propylene resin composition including 50-95 wt% of the crystalline polypropylene (C) and 50-5% of the polymer (B), the copolymer (A), and/or the copolymer (E) ((C), (B), (A) and (E) in the intermediate layer totals 100 wt%).
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| JPH04312292 | HEAT INSULATING PIPE AND ITS MANUFACTURE |
Inventors:
Ikuo Akai
Tomohiro Abe
Takayuki Kuroki
Tomohiro Abe
Takayuki Kuroki
Application Number:
JP2012542978A
Publication Date:
July 29, 2015
Filing Date:
November 10, 2011
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
B32B27/32; B65D65/40; C08F210/06
Domestic Patent References:
| JP2005305998A | 2005-11-04 | |||
| JP2004136566A | 2004-05-13 | |||
| JP2002210897A | 2002-07-31 | |||
| JPH08238730A | 1996-09-17 | |||
| JPH11245355A | 1999-09-14 | |||
| JP2006327183A | 2006-12-07 | |||
| JP2009101606A | 2009-05-14 |
Attorney, Agent or Firm:
Patent corporation ssinpat