Polymercaptans for curing epoxy resins and method of preparation

Details Polymercaptans for curing epoxy resins and method of preparation Polymercaptans for curing epoxy resins and method of preparation

1976-06-24

1978-05-30

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 48, 260 79, 260609R, 260609B, 260830S, C08G 5950

Patent

active

040922936

ABSTRACT:
Disclosed is a polymercaptan material and method for preparation thereof useful in the curing of epoxy resins to impart a more hydrophobic characteristic to the resultant thermoset polymers for use in applications where there is frequent contact with water. The compound described and prepared is a propoxylated ether polythiol of the structure: ##STR1## WHEREIN Y IS AN INTEGER OF AT LEAST 1, X IS AN INTEGER OF AT LEAST 2, R is a polyol consisting of atoms of carbon, hydrogen and oxygen and free of reactive functional groups and the total number carbon atoms in R and ##STR2## IS GREATER THAN 15.

REFERENCES:
patent: 3258495 (1966-06-01), Le Fave et al.
patent: 3472913 (1969-10-01), Ephriam

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