Polytriazinyl Compounds as Flame Retardants and Light Stabilizers

Abstract

Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: wherein: X is selected from: or X is a heterocyclic radical containing in the ring at least one nitrogen atom which radical is linked to the triazine ring through one of such nitrogen atoms, R 2 is alkyl or cycloalkyl, R 1 is a divalent radical of piperazine of the formula or R 2 is a divalent radical according to the formula or R 2 is a radical according to the formula Y n is an integer from 2 to 30, inclusive, m is an integer from 2 to 6, inclusive, p is an integer from 2 to 12, inclusive, and X 1 ═OH,NH 2 or X whereby X and X 1 may be the same or different, and, X 2 ═H or is a C 1 -C 4 alkyl group, and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.

1 . A compound consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: 
     
       
         
         
             
             
         
       
     
     wherein:
 X is selected from: 
 
     
       
         
         
             
             
         
       
       or X is a heterocyclic radical containing in the ring at least one nitrogen atom which radical is linked to the triazine ring through one of such nitrogen atoms, 
       R 2  is alkyl or cycloalkyl, R 1  is a divalent radical of piperazine of the formula 
     
     
       
         
         
             
             
         
       
     
     or R 2  is a divalent radical according to the formula 
     
       
         
         
             
             
         
       
     
     or R 2  is a radical according to the formula Y 
     
       
         
         
             
             
         
       
       n is an integer from 2 to 30, inclusive, 
       m is an integer from 2 to 6, inclusive, 
       p is an integer from 2 to 12, inclusive, and 
       X 1 ═OH,NH 2  or X 
       whereby X and XI may be the same or different, and, 
       X 2 ═H or is a C 1 -C 4  alkyl group. 
     
   
   
       2 . A compound of formula I according to  claim 1  wherein R 1  is a divalent radical of piperazine or a divalent radical of a diamine wherein m is an integer from 2 to 6. 
   
   
       3 . A compound of formula I according to  claim 1  wherein R 2  is an alkyl radical containing from 1 to 20 carbon atoms or is a cycloalkyl radical containing from 6 to 20 carbon atoms. 
   
   
       4 . A compound of formula I according to  claim 1  wherein
 R 1 =hexamethylenediamine, piperazine or an alkyl-substituted piperazine.   
   
   
       5 . A compound of formula I according to  claim 1  wherein X 1  and X are identical and are selected from morpholino, piperidino or piperazino moieties. 
   
   
       6 . A process for the production of compounds of formula I according to  claim 1 , said process comprising the steps of:
 condensing a cyanuric halogenide with one or more amines and/or one or more heterocyclic compounds in two or three steps.   
   
   
       7 . A process for the preparation of a self-extinguishing polymeric composition based on synthetic polymers which process comprises the step of:
 incorporating a compound of formula I according to  claim 1  into a synthetic polymer containing composition.   
   
   
       8 . A self-extinguishing synthetic polymeric composition comprising a thermoplastic polymer and a compound of formula I according to  claim 1 . 
   
   
       9 . A composition according to  claim 8  in which the thermoplastic polymer is an olefinic polymer or copolymer. 
   
   
       10 . A composition according to  claim 8  in which the thermoplastic polymer is a polyester material.