Amino terminated phosphonamide oligomers and flame retardant compositions therefrom

Abstract

The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.

1 . A composition comprising amino terminated phosphonamides of general Formula I: 
       
         
           
           
               
               
           
         
         wherein:
 R is a C 1  to C 20  alkyl or substituted aryl group; 
 Z is: 
 
       
       
         
           
           
               
               
           
         
          and each —NH—X—NH— is derived from an alkanediamine, alkanetriamine, arylamine, or cycloalkylamine having from about 6 to about 20 carbon atoms; and
 n is an integer of from 1 to about 20, 
 wherein at least one amino terminated phosphonamide Z is 
 
       
       
         
           
           
               
               
           
         
          and the amino-terminated phosphonamide comprises at least about 50% amine end-groups based on the total number of end groups. 
       
     
     
         2 . The composition of  claim 1 , wherein n is an integer of from 1 to about 10. 
     
     
         3 . (canceled) 
     
     
         4 . The composition of  claim 1 , wherein R is methyl. 
     
     
         5 . The composition of  claim 1 , wherein each —NH—X—NH— is derived from a diamine, a triamine, or a polyamine. 
     
     
         6 - 7 . (canceled) 
     
     
         8 . The composition of  claim 1 , further comprising one or more monomer, oligomer, or polymer. 
     
     
         9 . The composition of  claim 1 , further comprising one or more polycarbonates, epoxy derived polymers, polyepoxies, benzoxazines, polyacrylates, polyacrylonitriles, polyesters, poly(ethylene terephthalate)s, poly(trimethylene terephthalate) and poly(butylene terephthalate)s, polystyrenes, polyureas, polyurethanes, polyphosphonates, poly(acrylonitrile butadiene styrene)s, polyimides, polyarylates, poly(arylene ether)s, polyethylenes, polypropylenes, polyphenylene sulfides, poly(vinyl ester)s, polyvinyl chlorides, bismaleimide polymers, polyanhydrides, liquid crystalline polymers, cellulose polymers, and combinations thereof. 
     
     
         10 . The composition of  claim 1 , further comprising one or more fillers, fibers, surfactants, organic binders, polymeric binders, crosslinking agents, coupling agents, additional flame retardants, anti-dripping agents, anti-static agents, catalysts, colorants, inks, dyes, antioxidants, stabilizers, or combinations thereof. 
     
     
         11 - 20 . (canceled) 
     
     
         21 . A resin composition comprising:
 units derived from amino terminated phosphonamides of general Formula I:   
       
         
           
           
               
               
           
         
         wherein: 
         R is a C 1  to C 20  alkyl or substituted aryl group; 
         Z is: 
       
       
         
           
           
               
               
           
         
       
       and each —NH—X—NH— is derived from an alkanediamine, alkanetriamine, arylamine, or cycloalkylamine having from about 6 to about 20 carbon atoms;
 n is an integer of from 1 to about 20; and 
 wherein at least one amino terminated phosphonamide Z is 
 
       
         
           
           
               
               
           
         
       
       and the amino-terminated phosphonamide comprises at least about 50% amine end-groups based on the total number of end groups; and
 one or more monomer, oligomer, or polymer covalently associated with the units derived from the amino terminated phosphonamide. 
 
     
     
         22 . The resin composition of  claim 21 , wherein the one or more monomer, oligomer, or polymer comprises units derived from a phosphonate, isocyanate, epoxy, carboxylic acid, carboxylic acid ester, or combinations thereof. 
     
     
         23 . The resin composition of  claim 21 , wherein the one or more monomer, oligomer, or polymer comprises one or more polycarbonates, epoxy derived polymers, polyepoxies, benzoxazines, polyacrylates, polyacrylonitriles, polyesters, poly(ethylene terephthalate)s, poly(trimethylene terephthalate) and poly(butylene terephthalate)s, polystyrenes, polyureas, polyurethanes, polyphosphonates, poly(acrylonitrile butadiene styrene)s, polyimides, polyarylates, poly(arylene ether)s, polyethylenes, polypropylenes, polyphenylene sulfides, poly(vinyl ester)s, polyvinyl chlorides, bismaleimide polymers, polyanhydrides, liquid crystalline polymers, cellulose polymers, and combinations thereof. 
     
     
         24 . The resin composition of  claim 21 , further comprising at least one other polymer or oligomer to make a blend or mixture. 
     
     
         25 . The resin composition of  claim 21 , further comprising one or more fillers, fibers, surfactants, organic binders, polymeric binders, crosslinking agents, coupling agents, additional flame retardants, anti-dripping agents, anti-static agents, catalysts, colorants, inks, dyes, antioxidants, stabilizers, or combinations thereof. 
     
     
         26 . An article of manufacture comprising amino terminated phosphonamide oligomers of Formula I: 
       
         
           
           
               
               
           
         
         wherein:
 R is a C 1  to C 20  alkyl or substituted aryl group; 
 Z is: 
 
       
       
         
           
           
               
               
           
         
          and each —NH—X—NH— is derived from an alkanediamine, alkanetriamine, arylamine, or cycloalkylamine having from about 6 to about 20 carbon atoms,
 wherein at least one amino terminated phosphonamide Z is 
 
       
       
         
           
           
               
               
           
         
          and the amino-terminated phosphonamide comprises at least about 50% amine end-groups based on the total number of end groups. 
       
     
     
         27 . The article of manufacture of  claim 26 , wherein the article of manufacture comprises a coating, adhesive, prepreg, foam, film, extruded sheet, fiber, molding, fiber reinforced laminate, fiber reinforced circuit board, or combination thereof. 
     
     
         28 . The article of manufacture of  claim 26 , wherein the article of manufacture comprises a consumer product. 
     
     
         29 . The article of manufacture of  claim 26 , wherein the article of manufacture exhibits a limiting oxygen index (LOI) of at least 27. 
     
     
         30 . The article of manufacture of  claim 26 , wherein article exhibits an Underwriters Laboratory-94 (UL-94) of V-0 measured at a thickness of 0.8 mm. 
     
     
         31 - 39 . (canceled)