Sulfuric acid-resistant polyurethane composition and method of p

Details Sulfuric acid-resistant polyurethane composition and method of p Sulfuric acid-resistant polyurethane composition and method of p

1976-03-09

1977-05-03

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NH, 260 775AP, 260 775CR, 260 775SS, 428 35, 428425, 428457, C08G 1862, C08G 1832

Patent

active

040214141

ABSTRACT:
A polyurethane composition, resistant to sulfuric acid, prepared by reacting 2,2'-diaminodisulfide with an isocyanate-terminated prepolymer, itself prepared by reacting, in the presence of a 2,6-dialkylated para cresol, at least one polymeric polyol with a diphenyl methane diisocyanate.

REFERENCES:
patent: 3674743 (1972-07-01), Verdol
patent: 3734880 (1973-05-01), Finelli
patent: 3926919 (1975-12-01), Finelli
patent: 3940371 (1976-02-01), Case

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