Silicone containing bis-thioether aromatic amines

Claim 2

A silicone containing bis-thioether aromatic amine having the general formula: ##STR15## wherein Q is an aromatic nucleus Z is sulfur, sulfoxide or sulfone R is a bivalent group or a functional bivalent group R 4 is a monovalent hydrocabon radical or a functional hydrocarbon radical R 3 is a hydrocarbon radical or a functional group, and x is 0 or greater.

Claim 3

The silicone containing bis-thioether aromatic amine of claim 1 wherein Z is sulfone

Claim 4

A process for making a silicone containing bis-thioether aromatic amine having the general formula ##STR16## wherein Q is an aromatic nucleus Z is sulfur, sulfoxide or sulfone R is a bivalent group or a functional bivalent group R' is a monovalent hydrocarbon radical or a functional hydrocarbon radical R 3 is a hydrocarbon radical or a functional group, and x is 0 or greater, comprising the process steps of (a) preparing a charge of toluene, aqueous sodium hydroxide solution, dimethylsulfoxide and a chemical compound containing a source of Z in the general formula for the amine to form a reaction mixture; (b) bringing the reaction mixture to reflux temperature; (c) maintaining the reaction mixture at reflux temperature while constantly agitating the reaction mixture; (d) removing both the water introduced into the reaction mixture as part of the charge and the water formed during a chemical reaction occurring at the reflux temperature; (e) cooling the reaction mixture to a predetermined temperature range after all of the water has been removed; (f) adding a siloxane containing chemical compound to the reaction mixture while maintaining the temperature within the predetermined range; (g) continuing the reaction for a period of time upon completion of the siloxane addition; (h) stripping the toluene and diphenylsulfoxide, and (i) distilling the stripped reaction mixture to obtain the silicone containing bis-thioether aromatic amine of the general formula.

Claim 5

A process for making a silicone containing bis-thioether aromatic amine having the general formula ##STR16## wherein Q is an aromatic nucleus Z is sulfur, sulfoxide or sulfone R is a bivalent group or a functional bivalent group R' is a monovalent hydrocarbon radical or a functional hydrocarbon radical R 3 is a hydrocarbon radical or a functional group, and x is 0 or greater, comprising the process steps of (a) preparing a charge of toluene, aqueous sodium hydroxide solution, dimethylsulfoxide and a chemical compound containing a source of Z in the general formula for the amine to form a reaction mixture; (b) bringing the reaction mixture to reflux temperature; (c) maintaining the reaction mixture at reflux temperature while constantly agitating the reaction mixture; (d) removing both the water introduced into the reaction mixture as part of the charge and the water formed during a chemical reaction occurring at the reflux temperature; (e) cooling the reaction mixture to a predetermined temperature range after all of the water has been removed; (f) adding a siloxane containing chemical compound to the reaction mixture while maintaining the temperature within the predetermined range; (g) continuing the reaction for a period of time upon completion of the siloxane addition; (h) stripping the toluene and diphenylsulfoxide, and (i) distilling the stripped reaction mixture to obtain the silicone containing bis-thioether aromatic amine of the general formula.

Claim 6

The process of claim 3 wherein the chemical compound containing the source of Z is p-aminothiophenol, the predetermined temperature range to which the reaction mixture is cooled is about 80° C., the siloxane containing chemical compound is bis-(chlorobutyl)tetramethyldisiloxane, the distilling temperature is from about 310° C. to about 315° C., and distilling is practised at a pressure of from about 0.1mm to about 0.5mm, and the amine recovered is bis-(p-aminophenylthiobutyl)tetramethyldisiloxane.