Japan, March 5 -- DIC CORP has got intellectual property rights for 'MOISTURE-CURABLE POLYURETHANE HOT-MELT RESIN COMPOSITION, CURED PRODUCT AND LAMINATE.' Other related details are as follows:

Application Number: JP,2021-186246

Category (FI): C08G18/30,070,C08G18/42,002,C08G18/42,030,B32B27/40,C08G18/12

Stage: PROBLEM TO BE SOLVED: To provide a moisture-curable polyurethane hot-melt adhesive that resists foaming even after moisture-cured while ensuring its transparency, and can also exhibit adhesion to a PET substrate.SOLUTION: A moisture-curable polyurethane hot-melt resin composition contains a polyurethane resin having an isocyanate group. The polyurethane resin is a reactant between a polyol (A) and a polyisocyanate (B). The polyol (A) contains an alicyclic polyester polyol (a1), a long-chain aliphatic polyester polyol (a2) and a liquid polyester polyol (a3). A content rate of the alicyclic polyester polyol (a1), the long-chain aliphatic polyester polyol (a2), and the liquid polyester polyol (a3) is within a specific range in the polyol (A).SELECTED DRAWING: None (Grant)

Filing Date: Nov. 16, 2021

Publication Date: Aug. 5, 2022

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100

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