Title:
VINYLIDENE CHLORIDE COPOLYMER LATEX AND FILM FOR BLISTER PACK
Document Type and Number:
WIPO Patent Application WO/2013/125699
Kind Code:
A1
Abstract:
Provided is a film for a blister pack having barrier capability that is excellent in terms of impact resistance and thermal stability. Also provided is a vinylidene chloride polymer-containing latex that is ideal for producing the film. The coating layer of the film for a blister pack, and the latex, comprise a vinylidene chloride copolymer having a weight-average molecular weight Mw between 120,000 and 300,000 that is obtained by emulsion polymerization of 70 to 95 parts by mass of vinylidene chloride and 30 to 5 parts by mass of one or more other monomers capable of copolymerization with the vinylidene chloride (such that the total amount of vinylidene chloride and other monomer is 100 parts by mass).
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Inventors:
KAMEYAMA KOICHI (JP)
TANAKA YOKO (JP)
FURUKAWA MITSUYUKI (JP)
YAGI YOSUKE (JP)
KAWASAKI EIICHI (JP)
TANAKA YOKO (JP)
FURUKAWA MITSUYUKI (JP)
YAGI YOSUKE (JP)
KAWASAKI EIICHI (JP)
Application Number:
PCT/JP2013/054585
Publication Date:
August 29, 2013
Filing Date:
February 22, 2013
Export Citation:
Assignee:
ASAHI KASEI CHEMICALS CORP (JP)
International Classes:
C08F2/22; B65D75/36; B65D83/04; C08F214/08
Foreign References:
| JPH08239536A | 1996-09-17 | |||
| JPH0496980A | 1992-03-30 | |||
| JPH01266117A | 1989-10-24 | |||
| JP2005060580A | 2005-03-10 | |||
| JP2001526315A | 2001-12-18 | |||
| JPS63291668A | 1988-11-29 |
Other References:
See also references of EP 2818485A4
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, p. c. (JP)
Patent business corporation Asamura patent firm (JP)
Patent business corporation Asamura patent firm (JP)
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Claims:
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