Polyurethane based multi-purpose household adhesive

Details Polyurethane based multi-purpose household adhesive Polyurethane based multi-purpose household adhesive

C - Chemistry, Metallurgy

09

J

400/7413, 400/74

C09J 175/08 (2006.01) C08G 18/08 (2006.01) C08G 18/48 (2006.01)

Patent

CA 1339656

The invention relates to the use of a substantially clear and at least largely solventless, aqueous, one-component polyurethane dispersion based on - a polyol mixture consisting completely or partly of polytetrahydrofuran, - a difunctional or more than difunctional isocyanate component used in an OH:NCO ratio of 1:0.5 to 1:2.0, preferably 1:1.0 to 1:1.7 and more preferably 1:1.05 to 1:1.6 thereto, - a functional component capable of salt formation in aqueous solution and - optionally a chain-extending agent as a universal household adhesive.

607989

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