FIELD: adhesive materials.
SUBSTANCE: invention relates to a moisture curable compositions of polyurethane hot melt resins. Disclosed polyurethane hot-melt adhesive composition contains a polyol component and an isocyanate component. Polyol component includes a polyol having two or more OH groups and a hydrogen bridge group. Polyurethane hot-melt adhesive composition contains from 3 to 10 wt % isocyanate.
EFFECT: invention provides improved adhesion strength and strength of heat sealing in layer-by-layer forming of paper/foil.
9 cl, 3 tbl
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