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Patent Searching and Data


Title:
ADHESIVE COMPOSITION AND LAMINATE
Document Type and Number:
WIPO Patent Application WO/2016/104510
Kind Code:
A1
Abstract:
Provided is an adhesive agent which, in a metal foil-containing laminate composite film used in high temperature sterilization treatment, is hardly affected by moisture in air during curing, exhibits good workability when used as a solventless adhesive agent and exhibits excellent adhesive strength and acid resistance. Provided is a method for producing an adhesive composition, the method including: a step of obtaining an alcohol-added isocyanate (E) by reacting a trifunctional or higher isocyanate compound (C2) and a monofunctional alcohol (D) at an equivalence ratio such that the ratio of isocyanate groups in the trifunctional or higher isocyanate compound (C2) : monofunctional alcohol (D) is 100 mol.% : 25-65 mol.%; and a step of mixing a polyisocyanate (A), which contains a trifunctional or higher isocyanate compound (C1) and the alcohol-added isocyanate (E), with an alcohol (B) having an acid value of 0.5-30 mg KOH/g so that the equivalence ratio of isocyanate groups in the polyisocyanate (A) and hydroxyl groups in the alcohol (B) (isocyanate groups/hydroxyl groups) is 0.7-2.5.

Inventors:
NATSUMOTO TETSUYA (JP)
OYA TORU (JP)
TONE YOSHITAKA (JP)
HAYASHI HIROYUKI (JP)
KANEKO TETSUYA (JP)
SOMEDA TADASHI (JP)
SATO YOSHIHIRO (JP)
Application Number:
PCT/JP2015/085847
Publication Date:
June 30, 2016
Filing Date:
December 22, 2015
Export Citation:
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Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYO MORTON LTD (JP)
TOYOCHEM CO LTD (JP)
International Classes:
B32B27/00; C09J175/04; B32B27/40
Domestic Patent References:
WO2013005767A12013-01-10
Foreign References:
JP2011162656A2011-08-25
JP2014118503A2014-06-30
JP2014019711A2014-02-03
JP2004115681A2004-04-15
JP2009280735A2009-12-03
JP2011102387A2011-05-26
JP2015124335A2015-07-06
Other References:
See also references of EP 3239261A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
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