Plasticized sulfur coating composition

Compositions: coating or plastic – Coating or plastic compositions – O-containing organic compound

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Details

10628732, 260137, C08K 306, C08K 541

Patent

active

042330823

ABSTRACT:
A composition comprising at least 50 weight percent sulfur, a sulfur plasticizer, and an aromatic polysulfide which is formed by reacting one mol of an aromatic carbocyclic or a heterocyclic compound, substituted by at least one functional group of the class --OH or --NHR in which R is H or lower alkyl, with at least two mols of sulfur. Preferred sulfur plasticizers are aliphatic linear polysulfides, and preferred aromatic polysulfides are formed using phenol. The composition typically also contains an inorganic filler such as mica or asbestos.
The composition is especially useful for obtaining surface coatings which are resistant to delamination, cracking and crazing upon exposure to weather conditions.

REFERENCES:
patent: 3453125 (1969-07-01), Williams

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