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Title:
THERMALLY SHRINKABLE POLYOLEFIN FILM, MOLDED ARTICLE USING THE FILM, THERMALLY SHRINKABLE LABEL, AND CONTAINER
Document Type and Number:
WIPO Patent Application WO/2007/063973
Kind Code:
A1
Abstract:
Disclosed is a thermally shrinkable polyolefin film which comprises a mixed resin mainly composed of a polyolefin resin (A), a polylactic acid resin (B) and a resin (C) capable of improving the compatibility between the resin (A) and the resin (B) or has at least one layer comprising the mixed resin, wherein the ratio of the resin (A) to the resin (B) ((A)/(B)) is 99/1 to 70/30 by mass. The film has a thermal shrinkage ratio in at least one direction of 20% or higher as determined after immersing the film in hot water of 80˚C for 10 seconds, has a natural shrinkage ratio of less than 10% as determined after storing the film for 7 days under environment of 40˚C and 50% RH, is excellent in thermal shrinking properties and shrinkage finishing, and is reduced in natural shrinking. Also disclosed is a thermally shrinkable polyolefin label. Further disclosed is a container having the label thereon.

Inventors:
HIRUMA TAKASHI (JP)
YAMADA TAKEYOSHI (JP)
Application Number:
PCT/JP2006/324020
Publication Date:
June 07, 2007
Filing Date:
November 30, 2006
Export Citation:
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Assignee:
MITSUBISHI PLASTICS INC (JP)
HIRUMA TAKASHI (JP)
YAMADA TAKEYOSHI (JP)
International Classes:
B32B27/32; B32B27/36; C08J5/18; C08L23/00; G09F3/04
Domestic Patent References:
WO2003055937A12003-07-10
Foreign References:
JPS573841A1982-01-09
JPS63214446A1988-09-07
JP2005307128A2005-11-04
JP2005232228A2005-09-02
JP2003301077A2003-10-21
JP2002194109A2002-07-10
JP2002273839A2002-09-25
JP2003306587A2003-10-31
JP2002019053A2002-01-22
JPS60203653A1985-10-15
JP2003205548A2003-07-22
JP2005306587A2005-11-04
JP2005068232A2005-03-17
JPH05179110A1993-07-20
JPH09316310A1997-12-09
JP2003301077A2003-10-21
JPH06263892A1994-09-20
JP2002019053A2002-01-22
Other References:
See also references of EP 1955845A4
Attorney, Agent or Firm:
HOSHINO, Tetsuro et al. (3rd Floor Oak Building Kyobashi, 16-10, Kyobashi 1-chom, Chuou-ku Tokyo 31, JP)
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