Patent ID: 7097883

Claim:
A polythioether polymer having the following segment: —A—[—S—(CH 2 ) 2 —R 2 —(CH 2 ) 2 —S—A—] n — I wherein each A is independently selected from Formulae II(a), and II(b), —R 1 —, II(b) wherein each R 1 is independently selected from C 2-4 n-alkylene, C 3-6 branched alkylene, C 6-8 cycloalkylene, C 6-10 alkylcycloalkylene, —[—(CH 2 ) p —X—] q —(CH 2 ) r —, and —[—(CH 2 ) p —X—] q —(CH 2 ) r — in which at least one —CH 2 — group may be substituted with at least one methyl group, wherein each X is independently selected from O, S, —NH—, and —NR 3 —, R 3 is selected from H, and —CH 3 , p is an integer from 2 to 6, q is an integer from 1 to 5, and r is an integer from 2 to 10, each R 4 is independently selected from —CH 2 —CH 2 —, and olefins conjugated with electron attracting groups, each R 5 is independently selected from C 2-10 alkylene, and C 2-10 alkyleneoxy, each R 2 is independently selected from oxygen, C 2-6 alkyleneoxy, and C 5-12 cycloalkyleneoxy, n is an integer selected to yield a molecular weight for the polythioether polymer of between 500 and 20,000 Daltons, and the weight ratio of II(a) to II(b) is from about 2:1 to 3:1.