Sheet vinyl flooring seam sealing composition

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

1975-07-28

1978-05-02

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156331, 428425, C08K 515

Patent

active

040874001

ABSTRACT:
Sections of sheet vinyl flooring having polyurethane wear layers are joined together with a sealing composition 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 polyurethane is preferably in the form of polyurethane prepolymer of the 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 tetrahydrofuran.

REFERENCES:
patent: 2901467 (1959-08-01), Croco
patent: 3135711 (1964-06-01), Thoma et al.
patent: 3580881 (1971-05-01), Lee

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