Patent ID: 11945965
Assignee: ELKEM SILICONES FRANCE SAS
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A silicone material comprising a material obtained via reaction between:
at least one organopolysiloxane A of mean molar mass (Mn) of less than 70000 g/mol, comprising siloxyl units (I.1) and (I.2):, Y
            a
          
          ⁢
          
            Z
            b
            1
          
          ⁢
          
            SiO
            
              
                4
                -
                
                  (
                  
                    a
                    +
                    b
                  
                  )
                
              
              2
            
          
        
        ;
      
    
    
      
        (
        
          I
          ⁢
          .1
        
        )
      
    
  
  
    
      
        
          Z
          c
          2
        
        ⁢
        
          SiO
          
            
              4
              -
              c
            
            2
          
        
      
    
    
      
        (
        
          I
          ⁢
          .2
        
        ), where:, a=1 or 2,, b=0, 1 or 2,, a+b=1, 2 or 3,, c=0, 1, 2 or 3,, the symbols Y, the same or different, represent a functional group of formula (I.3):

-E-(NH-G)h-(NH2)i  (I.3), where:, h=0 or 1;, i=0 or 1;, h+i=1 or 2, E is an aliphatic, cycloaliphatic or aromatic divalent hydrocarbon radical having 1 to 30 carbon atoms;, if present, G is an aliphatic hydrocarbon radical having 1 to 10 carbon atoms, monovalent when i=0 or divalent when i=1;, Z1, the same or different, is a monovalent hydrocarbon radical having 1 to 30 carbon atoms and optionally comprising one or more unsaturations and/or one or more fluorine atoms or a hydroxyl group;, Z2, the same or different, is a monovalent hydrocarbon radical having 1 to 30 carbon atoms and optionally comprising one or more unsaturations and/or one or more fluorine atoms, a hydroxyl group, or radical —OR1 where IV is a linear or branched C1-C10 hydrocarbon radical;, said organopolysiloxane A comprising per molecule:
at least one siloxyl unit (I.1) carrying at least one functional group of formula (I.3);
two units (I.2) for which at least one Z2 is a radical —OW; and
at least two terminal units M selected from the group composed of siloxyl units Y3SiO1/2, YZ12SiO1/2, Y2Z1SiO1/2 and Z23SiO1/2; and
at least one organic compound B carrying at least two carboxylic acid groups and having no unsaturation.