摘要:
An asymmetric organomodified disiloxane surfactant having the formula: MM' wherein M comprises branched hydrocarbon substituents and M' comprises a cationic, anionic or zwitterionic substituent and a polyether substituent that may be combined as one moiety, wherein the disiloxane surfactant has an enhanced resistance to hydrolysis between a pH of about 3 to about 12.
摘要:
The present invention provides for a composition comprising a siloxane having the formula: M 1 D M 2 wherein M 1 = (R 1 )(R 2 )(R 3 )SiO 1/2 ; M 2 = (R 4 )(R 5 )(R 6 ) SiO 1/2 and D = (R 7 )(Z) SiO 2/2 where R 1 , R 2 , R 3 R 4 , R 5 , R 6 and R 7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R 8 -R A , R 9 R c and R 10 -R Z ; R A being an anionic substituent, R c a cationic substituent or R z a zwitterionic substituent on the D group wherein the composition is resistant to hydrolysis under either basic or acidic conditions.
摘要:
The present invention provides for a mixture comprising a siloxane having the formula: M 1 D M 2 wherein M 1 = (R 1 )(R 2 )(R 3 )SiO 1/2 ; M 2 = (R 4 )(R 5 )(R 6 ) SiO 1/2 and D = (R 7 )(Z) SiO 2/2 where R 1 , R 2 , R 3 R 4 , R 5 , R 6 and R 7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R 8 -R A , R 9 R c , and R 10 -R z ; R A being an anionic substituent, R c a cationic substituent or R z a zwitterionic substituent on the D group and an additional component selected from the group consisting of agricultural components, coating components, personal care components, home care components, oil or gas treating components, water processing components, and pulp or paper treating components, wherein said mixture has an enhanced resistance to hydrolysis.
摘要:
An asymmetric organomodified disiloxane surfactant having the formula: MM' wherein M comprises branched hydrocarbon substituents and M' comprises a cationic, anionic or zwitterionic substituent and a polyether substituent that may be combined as one moiety, wherein the disiloxane surfactant has an enhanced resistance to hydrolysis between a pH of about 3 to about 12.