Tar-urethane composition

Details Tar-urethane composition Tar-urethane composition

1975-08-26

1977-04-19

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 51R, 260 53R, 260 57R, C08G 228, C08G 230

Patent

active

040187390

ABSTRACT:
A tar-urethane composition comprising (1) an isocyanate-reactive tar obtained by reacting a tar produced as a by-product in the phenol synthesis via hydroperoxides with a formaldehyde in the presence of a basic catalyst and in the presence or absence of at least one phenol compound and (2) a polyisocyanate, which is useful as coating agents, materials for pavement, floor linings, sealing materials and the like.

REFERENCES:
patent: 2608536 (1952-08-01), Sterling
patent: 3271331 (1966-09-01), Ender
patent: 3409579 (1968-11-01), Robins
patent: 3632531 (1972-01-01), Rush et al.
patent: 3835077 (1974-09-01), Mori et al.
patent: 3862089 (1975-01-01), Shinohara

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