Title:
POLYURETHANE ADHESIVE COMPOSITION
Document Type and Number:
Japanese Patent JPH03281589
Kind Code:
A
Abstract:
PURPOSE: To provide the subject composition composed of a specific polyurethane polyol and a (polyurethane) polyisocyanate, effective in imparting excellent adhesivity, transparency and durability and useful for composite laminate film.
CONSTITUTION: The objective two-pack curable composition is composed of (A) an organic solvent solution of a polyol having carboxyl group bonded to the main chain via an ester bond (preferable example: polyether triol or polycaprolactone triol having a molecular weight of about 90-4,000) or a polyurethane polyol produced by polymerizing the polyol and (B) a polyurethane polyisocyanate and/or a polyisocyanate. The 100% modulus of the cured adhesive film is preferably ≥30kg/cm2 and <120kg/cm2.
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Inventors:
FUKAI MASAKI
TOYAMA MITSUO
ISHIGAMI KOICHI
TOYAMA MITSUO
ISHIGAMI KOICHI
Application Number:
JP8216090A
Publication Date:
December 12, 1991
Filing Date:
March 29, 1990
Export Citation:
Assignee:
DAINICHISEIKA COLOR CHEM
UKIMA CHEM & COLOUR MFG
UKIMA CHEM & COLOUR MFG
International Classes:
C08G18/42; C08G18/48; C09J175/00; C09J175/04; (IPC1-7): C08G18/42; C08G18/48; C09J175/04
Domestic Patent References:
| JPH03234783A | 1991-10-18 |
Attorney, Agent or Firm:
Uchiyama Mitsuru