Making a sealing composition and a sealing composition for roofs

Details Making a sealing composition and a sealing composition for roofs Making a sealing composition and a sealing composition for roofs

1971-05-24

1976-09-14

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 9500

Patent

active

039805972

ABSTRACT:
A sealing composition for roofs, floors, decks and other surfaces is composed of a polyurethane composition containing bituminous material which has been dehydrated and chemically neutralized to avoid the formation primarily of a gel and to preclude preliminary curing of the polyurethane prepolymer. A self-supporting film of similar composition is also disclosed.

REFERENCES:
patent: 3372083 (1968-03-01), Evans
patent: 3440073 (1969-04-01), Fowler
patent: 3505275 (1970-04-01), Sato
patent: 3634293 (1972-01-01), Bonitz
patent: 3637558 (1972-01-01), Verdol
patent: 3673141 (1972-06-01), Trieschmann

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