Patent ID: 8367791
Filing Date: 2013-02-05
Classification: C08G,C09D,Y10T

Abstract:
1. A hydrophobic polysiloxane ureide which inhibits corrosion formation on a surface of a physical object, the polysiloxane ureide comprising a reaction product comprising the following: (i) at least one diamine-terminated polysiloxane of the general formula: wherein, for each unit of the polysiloxane R 1 and R 2 are independently selected from the group consisting of C 1 to C 10 alkyls, aryls, and polyaryls; for each unit of the polysiloxane R 3 and R 4 are independently selected from the group consisting of hydrogen, C 1 to C 6 alkyls, aryls, C 3 to C 6 cycloaliphatics, and C 3 to C 6 heterocycles; for each unit of the polysiloxane A 1 and A 2 are independently selected from the group consisting of hydrogen, C 1 to C 6 alkyls, aryls, polyaryls, C 3 to C 6 cycloaliphatics, and C 3 to C 6 heterocycles; for each unit of the polysiloxane, x is a number from 1 to 1000; (ii) at least one aromatic diamine selected from the group consisting of 2,5-diaminobenzotrifluoride,2,2′-Bis(trifluoromethyl)benzidine, 3,3′-Bis(trifluoromethyl)benzidine, 2,2-Bis[4(4-aminophenoxy)phenyl] hexafluoropropane, 2,2-Bis[4 (4-aminophenoxy)phenyl] propane, 4,4′-oxydianiline, 4,4′-diamino diphenyl sulfide, 4,4′-diamino phenylsulfone, 1,4-Bis(4-aminophenoxy)benzene, 4,4′-Bis(4-aminophenoxy)-biphenyl, 1,3-Bis(4-aminophenoxy)benzene, 1,3-Bis(3-aminophenoxy)benzene, o-tolidinesulfone, 3,3′-5,5′-tetramethylbenzidine, 2,7-Diamino fluorene, 2,4-Diamino- 6-(3,5-difluorophenyl)-1,3,5-triazine, 1,3-Bis(4-aminophenoxy)propane, 2,4-Diamino-6-phenyl-1,3,5-triazine,2,4-Diamino-6[3-(trifluoromethyl)phenyl]-1,3,5-triazine, 2, 6-diamine pyridine, and combinations thereof; and, (iii) at least one diisocyanate selected from the group consisting of 1,4-phenylene diisocyanate, cyclohexane-1,4-diisocyanate, butane-1,4-diisocyanate, hexamethylene-1,6-diisocyanate, 1,5-naphthalene diisocyanate, dicyclohexyl-methane-4,4′-diisocyanate, cyclohexylene-1,4-diisocyanate, isophorone, diisocyanate, and combinations thereof.