Chemically resistant polythioethers and formation thereof

Details Chemically resistant polythioethers and formation thereof Chemically resistant polythioethers and formation thereof

C - Chemistry, Metallurgy

08

G

C08G 75/02 (2006.01) C08G 75/04 (2006.01) C08L 81/02 (2006.01)

Patent

CA 2402113

A polythioether comprising formula (1) wherein R1 is a C1-10 alkyl, -(R3Q)pR3- or C6-C20 aryl where Q is O or S, each R3 is independently C1-6 alkyl, and p is an integer between 0 and 6; R2 is C1-6 alkyloxy or C5-12 cycloalkyloxy, R4 is H, C1-6 alkyl, C1-6 alkyl alcohol and C0-6 alkyl substituted with formula (2), 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.

L'invention concerne un polythioéther représenté par la formule (1) dans laquelle R?1¿ est un alkyle C¿1-10?, -(R?3¿Q)pR?3¿- ou un aryle C¿6?-C¿20?, Q étant O ou S, chaque R?3¿ étant indépendamment un alkyle C¿1-16?, et p étant un nombre entier entre 0 et 6; R?2¿ est un alkyloxy C¿1-6? ou un cycloalkyloxy C¿5-12?, R?4¿ est H, un alkyle C¿1-6?, un alcool d'alkyle C¿1-6? et un alkyle C¿0-6? substitué par la formule (2), dans laquelle X est un halogène, m est un entier entre 1 et 4, et n est un entier sélectionné afin d'obtenir une masse moléculaire pour ledit polythioéther de 1000 à 10000 Daltons.

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