To provide an aqueous adhesive for lamination forming coatings with resistance to water, resistance to solvent, adhesivity to various substrates in a comparatively low temperature such as 50-100°C, expressing an excellent laminating property (laminating strength) without aging treatment and having boiling resistance and retort resistance.
The invention relates to the aqueous adhesive for lamination comprising (A) a polyolefin resin containing 0.1-10% by mass of an unsaturated carboxylic acid unit, (B) a non-block type polyfunctional isocyanate compound, (C) a basic compound and an aqueous medium, wherein a part of the unsaturated carboxylic acid unit is neutralized by a basic compound (C) and the content of the (B) is 0.5-30 pts by mass to 100 pts by mass of the (A).
COPYRIGHT: (C)2007,JPO&INPIT
Okamoto Shoji
Takemasa Yoshino
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