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Title:
METHOD FOR PRODUCING FILM FOR SOFT PACKAGING
Document Type and Number:
WIPO Patent Application WO/2018/043469
Kind Code:
A1
Abstract:
A method for producing a film for soft packaging in which a polyurethane adhesive agent is applied to a base material, wherein: the polyurethane adhesive agent has an agent A and an agent B as reaction base materials; the method has a two-liquid separate-application step in which the agent A, which is applied to one base material, and the agent B, which is applied to another base material, come into contact and bond under pressure; the agent A contains either a polyol compound or a polyisocyanate compound as a curing component; and the agent B contains either a polyol compound or a polyisocyanate compound as a curing component different from that in the agent A.

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Inventors:
OGAWA MASAHIKO (JP)
TAKAHASHI SHIGEKAZU (JP)
TAKADA CHOICHI (JP)
ICHIMURA NAOKI (JP)
Application Number:
PCT/JP2017/030886
Publication Date:
March 08, 2018
Filing Date:
August 29, 2017
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B27/00; B32B27/40; B65D65/40; C09J5/04; C09J175/04
Foreign References:
JPS5912984A1984-01-23
JP2003171643A2003-06-20
JPH02122925A1990-05-10
JPS6158731A1986-03-26
JP2016074780A2016-05-12
JP2001164229A2001-06-19
JPH1161083A1999-03-05
Other References:
MAEKAWA: "Polyol for urethane resin", SANYO CHEMICAL NEWS, no. 464, 2011
Attorney, Agent or Firm:
KONO Michihiro (JP)
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