Distannoxane Catalysts for Silane Crosslinking and Condensation Reactions

Abstract

A fabricated article (e.g., jacketed or insulated wire or cable) is prepared by a process comprising the steps of: applying a coating of a moisture-curable composition onto a wire or cable; and reacting the moisture-curable composition with water, wherein the moisture-curable composition comprises at least one resin having hydrolysable reactive silane groups and a tin catalyst characterized by the tin having a +4 oxidation state and a bis(alkoxide) ligand. The product of the process includes a wire or cable comprising a jacket, wherein the jacket comprises at least one poly olefin resin having hydrolysable reactive silane groups and a tin catalyst, the tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state. The product of the process also includes a wire or cable comprising a jacket wherein the jacket comprises (i) the reaction product of at least one polyolefin resin having hydrolysable reactive silane groups and water, and (ii) at least one tin catalyst, the tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state.

1 . An article of manufacture, comprising:
 A. At least one resin having hydroxyl groups, at least one compound having two or more isocyanate groups and a distannoxane tin catalyst; or   B. At least one resin having isocyanate groups, at least one compound having two or more hydroxyl groups and a distannoxane tin catalyst;   the distannoxane tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state.   
     
     
         2 . The article of manufacture of  claim 1 , wherein the distannoxane tin catalyst is penta coordinate or hexa-coordinate. 
     
     
         3 . The article of manufacture of  claim 2 , wherein the distannoxane catalyst is 2,2-Di-n-butyl-1,3,2-dioxastannolane. 
     
     
         4 . The article of manufacture of  claim 1 , being one or more of a jacket, insulation or semi-conductive layer of a wire or cable. 
     
     
         5 . The article of manufacture of  claim 1 , selected from the group consisting of wire-and-cable insulations, wire-and-cable semiconductive articles, wire-and-cable coatings, wire-and-cable jackets, cable accessories, shoe soles, multicomponent shoe soles, weather stripping, gaskets, profiles, durable goods, rigid ultradrawn tape, run flat tire inserts, construction panels, composites, pipes, foams, blown films, and fibers. 
     
     
         6 . A wire or cable comprising a jacket wherein the jacket comprises
 (i) the reaction product of
 A. At least one resin having hydroxyl groups and at least one compound having two or more isocyanate groups, or 
 B. At least one resin having isocyanate groups, at least one compound having two or more hydroxyl groups; and 
   (ii) at least one distannoxane tin catalyst, the distannoxane tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state.   
     
     
         7 . A process for preparing an article of manufacture, the process comprising reacting a composition comprising:
 A. At least one resin having hydroxyl groups, at least one compound having two or more isocyanate groups and a distannoxane tin catalyst; or   B. At least one resin having isocyanate groups, at least one compound having two or more hydroxyl groups and a distannoxane tin catalyst;   the distannoxane tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state.   
     
     
         8 . The process of  claim 7 , wherein the article of manufacture is a jacketed wire or cable, and the process comprises applying a coating of the composition onto the wire or cable prior to reacting the composition. 
     
     
         9 . The process of  claim 7 , wherein the article of manufacture is selected from the group consisting of wire-and-cable insulations, wire-and-cable semiconductive articles, wire-and-cable coatings, wire-and-cable jackets, cable accessories, shoe soles, multicomponent shoe soles, weather stripping, gaskets, profiles, durable goods, rigid ultradrawn tape, run flat tire inserts, construction panels, composites, pipes, foams, blown films, and fibers. 
     
     
         10 . The process of  claim 7 , further comprising the step of producing the distannoxane tin catalyst in situ by a condensation reaction of an alkyltin oxide and a diol. 
     
     
         11 . The process of  claim 10 , wherein the diol is at least one of: 1,3-propanediol; 1,2-propanediol; ethylene glycol; or 1,5-pentanediol.