Sheet vinyl flooring seam sealing composition

Details Sheet vinyl flooring seam sealing composition Sheet vinyl flooring seam sealing composition

C - Chemistry, Metallurgy

08

K

400/7403, 18/968

C08K 5/00 (2006.01) C08K 5/1535 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1061035

ABSTRACT Sections of sheet vinyl flooring having polyure- thane wear layers are joined together with a sealing compo- sition comprising between about 10 and about 75 wt. % uncured polyurethane, between about 20 and about 85 wt. % tetrahydrofuran and between about 5 and about 60 wt. % of an organic solvent for the polyurethane. The uncured poly- urethane is preferably in the form of polyurethane pre- polymer of t?? moisture/cure type and the organic solvent for the polyurethane preferably has an evaporation rate not more than 95 percent of the evaporation rate of the tetra- hydrofuran.

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