Liquid polythioethers

Details Liquid polythioethers Liquid polythioethers

C - Chemistry, Metallurgy

08

G

402/349, 260/468

C08G 75/00 (2006.01) C08G 18/52 (2006.01) C08G 59/30 (2006.01) C08G 65/34 (2006.01) C08G 65/48 (2006.01) C08G 75/02 (2006.01) C08G 75/12 (2006.01) C08L 63/00 (2006.01) C08L 71/00 (2006.01)

Patent

CA 1179681

Abstract of the Disclosure: A non-crystallizing, water, solvent, fuel and temperature resistant liquid polythioether having two to four terminating radicals which do not substantially reduce the water, solvent, fuel and temperature resistance and a water, solvent, fuel and temperature resistant polymeric backbone having repeating units of the formula: Image wherein each of R1, R2, R3 and R4 is hydrogen or lower alkyl providing that a sufficient number of R1, R2, R3 and/or R4 are lower alkyl in said polymeric backbone to render said backbone non-crystallizing; X is a divalent organic radical selected from -CH2-CH2-, -CH2-CH2-CH2-CH2-, -CH2-CH2-S-CH2-CH2 or -CH2-CH2-O-CH2-CH2- ; n is 0 to 200; -; n is a to 200; and p is 0 or 1.

391546

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