| abstract |
A polythioether comprising: n n n wherein R 1 is a C 1-10 alkyl, —(R 3 Q) p R 3 — or C 6 -C 20 aryl where Q is O or S, each R 3 is independently C 1-6 alkyl, and p is an integer between 0 and 6; R 2 is C 1-6 alkyloxy or C 5-12 cycloalkyloxy, R 4 is H, C 1-6 alkyl, C 1-6 alkyl alcohol and C 0-6 alkyl substituted with n n n where X is a halogen, m is an integer between 1 and 4, and n is an integer selected to yield a molecular weight for said polythioether of between 1000 and 10,000 Daltons. |