The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1978
Filed:
Jun. 24, 1976
Applicant:
Inventors:
Richard L Harris, Painesville, OH (US);
Paul H Goble, Painesville, OH (US);
Assignee:
Diamond Shamrock Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 48 ; 260 79 ; 2606 / ; 2606 / ; 2608 / ;
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.