but especially sulfur or selenium and combinations thereof examples of epoxy hydroxyl compounds comprise bisphenol a or bisphenol f epichlorohydrin reaction products which are glycidyl end capped polymers such as the epon u00ae compounds from shell chemical co polyglycidyl ethers of aliphatic polyols generally comprise polyalkylene glycol diglycidyl ethers where the alkylene group has from 2 to about 5 and especially from about 2 to about 3 carbon atoms and anywhere from about 2 to about 1000 and especially from about 2 to about 500 and preferably from about 2 to about 10 repeating polyalkylene glycol units such as polypropylene glycol 3 moles diglycidyl ether examples of the dimer acid diglycidyl ester comprise diglycidyl esters of 3 hydroxypropylene oxide or 3 hydroxypropylene sulfide and aliphatic or cycloaliphatic acids as those terms are defined herein having anywhere from 2 to about 20 carbon atoms and especially from about 2 to about 10 carbon atoms such as the dimer acid diglycidyl ester aldrich chemicals no 43 030 7 aldrich catalog 1998 1999 incorporated herein by reference the polyglycol diepoxides include compounds such as glycerol diglycidyl ether or diglycidyl ethers of polyhydroxy aliphatic compounds such as aliphatic compounds having anywhere from about 3 to about 6 carbon atoms and from 3 to about 6 hydroxyl groups well known in the art but preferably glycerol diglycidyl ether polyglycidyl ether of aliphatic polyol mol wt about 250 to less than 7 000 polyethylene glycol diglycidyl ether mol wt about 250 to less than 7 000 polyethylene glycol glycidyl ether mol wt about 250 to less than 7 000 polypropylene glycol glycidyl ether mol wt about 250 to less than 7 000 low molecular weight lt 700 epoxidized polyisoprene polybutadiene and poly styrene butadiene rubber and also with hydroxy functional groups poly ortho cresyl.