Patent ID: 8710159

Claim:
A composition comprising: a polyfunctional epoxy comprising the reaction product of reactants comprising: (a) a polyfunctional compound having at least three terminal groups reactive with a thiol group; (b) a dithiol having the structure of Formula (4): HS—R 1 —SH (4) wherein R 1 is —[—(CHR 3 ) s —X—] q —(CHR 3 ) r —; wherein: each R 3 is independently selected from hydrogen and methyl; each X is independently selected from —O— and —S—; s is an integer from 2 to 6; q is an integer from 1 to 5; and r is an integer from 2 to 10; and (c) allyl glycidyl ether; a difunctional epoxide; a combination of thiol-terminated polythioethers characterized by an average functionality from 2.05 to 3; and a low density filler.