Sulfur foam process

Details Sulfur foam process Sulfur foam process

1976-01-16

1980-09-09

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

O-containing organic compound

1062873, 10628732, C09K 300

Patent

active

042216052

ABSTRACT:
Sulfur foam is produced by reacting molten sulfur with organic protonic acids to obtain an adduct and then reacting the adduct with a polyisocyanate to obtain a foam containing more than 50 weight percent sulfur. Before or after reacting the sulfur with the organic acid, or at the same time, the sulfur can be modified by reacting it with a sulfur-plasticizing material.

REFERENCES:
patent: 3887504 (1975-06-01), Woo

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