Title:
1-BUTENE/ΑLPHA-OLEFIN COPOLYMER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/042249
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a composition: that has heat sealing capacity at low temperatures and is free of stickiness; for which the heat sealing strength range can be kept within a fixed range when the heat sealing temperature is set at a low temperature; for which there are minimal changes in heat sealing strength over time; for which the strength required for unsealing when used in packaging can easily kept within a fixed range; and which enables advanced performance design for packaging. The present invention is a 1-butene/alpha-olefin copolymer composition that is characterized by comprising: 99 to 1 parts by mass of one or more types of olefin polymers (X) selected from a propylene polymer (X-1) and an ethylene polymer (X-2); and 1 to 99 parts by mass of a 1-butene/alpha-olefin copolymer (Y), wherein the percentage of one or more types of alpha-olefins selected from alpha-olefins is 0.1 to 30 mol% and the molecular weight distribution (Mw/Mn) is 1.0 to 3.5. (The total of (X) and (Y) in the composition is regarded as being 100 parts by mass.)
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Inventors:
AKAI IKUO (JP)
ABE TOMOHIRO (JP)
YOSHIMOTO KOYA (JP)
YAMAGUCHI MASAYOSHI (JP)
TANAKA SHINYA (JP)
MATSUNAGA KOJI (JP)
EGAWA MAKOTO (JP)
ABE TOMOHIRO (JP)
YOSHIMOTO KOYA (JP)
YAMAGUCHI MASAYOSHI (JP)
TANAKA SHINYA (JP)
MATSUNAGA KOJI (JP)
EGAWA MAKOTO (JP)
Application Number:
PCT/JP2013/074872
Publication Date:
March 20, 2014
Filing Date:
September 13, 2013
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08L23/18; C08L23/04; C08L23/10
Domestic Patent References:
| WO2003070788A1 | 2003-08-28 |
Foreign References:
| JP2006508237A | 2006-03-09 | |||
| JP2002241553A | 2002-08-28 | |||
| JP2000191854A | 2000-07-11 | |||
| JPH04175317A | 1992-06-23 | |||
| JPS62119213A | 1987-05-30 | |||
| JPH11245355A | 1999-09-14 | |||
| JP2011513562A | 2011-04-28 | |||
| JP2010500428A | 2010-01-07 | |||
| JP2010150433A | 2010-07-08 | |||
| JPH11221884A | 1999-08-17 | |||
| JPH11245355A | 1999-09-14 | |||
| JPH051950A | 1993-01-08 | |||
| JP2004051676A | 2004-02-19 |
Other References:
V. BUSICO ET AL., MACROMOL. RAPID. COMUN., vol. 16, 1995, pages 269
See also references of EP 2896651A4
See also references of EP 2896651A4
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)
Patent business corporation SSINPAT (JP)
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