Silylated amino resins

Abstract

The present invention relates to silylated amino resins, to processes for preparing them, to their use, and to coating compositions comprising them.

1 - 14 . (canceled) 
     
     
         15 . A coating composition comprising a silylated benzoguanamine-formaldehyde resin of formula (Ia) 
       
         
           
           
               
               
           
         
         wherein radicals R 3  to R 6  are each independently selected from the group consisting of a) to e): 
         a) a hydrogen atom; 
         b) —[—CH 2 —O—] M —H, wherein m is a positive integer of at least 1; 
         c) —[—CH 2 —O—] n —R 7 , wherein n is a positive integer of at least 1, and R 7  is an alkyl radical; 
         d) a radical of formula (II) 
       
       
         
           
           
               
               
           
         
         wherein p is a positive integer of at least 1, 
         R 9  to R 11  are each independently i) an alkyl radical, ii) a radical —O—R 12 , wherein R 12  is an alkyl or aryl radical, iii) a radical of formula (IIIa) 
       
       
         
           
           
               
               
           
         
         or iv) a radical of formula (IIIb) 
       
       
         
           
           
               
               
           
         
         wherein R 14  to R 18  are each independently alkyl, aryl, alkyloxy, aryloxy, cycloalkyl, or cycloalkyloxy, and q is a positive integer of at least 1; and 
         e) a radical of formula (IVa) 
       
       
         
           
           
               
               
           
         
         wherein r is zero or a positive integer of at least 1, and radicals R 3′  to R 5′  are each independently selected from the group consisting of a) to d), 
         with the proviso that at least one of the radicals selected from the group consisting of R 3  to R 6  and R 3′  to R 5′ , when present, is a radical of the formula (II), and not more than two radicals selected from the group consisting of R 3  to R 6  are a radical of the formula (IVa). 
       
     
     
         16 . The coating composition of  claim 15 , further comprising a binder. 
     
     
         17 . The coating composition of  claim 15 , further comprising a strong acid or a weak acid. 
     
     
         18 . The coating composition of  claim 15 , further comprising a solvent. 
     
     
         19 . The coating composition of  claim 15 , further comprising a pigment. 
     
     
         20 . The coating composition of  claim 15 , further comprising at least one binder selected from the group consisting of a polyetherol, a polyesterol, a polyacrylate polyol, a polycarbonate polyol, an alkyd resin, and an epoxy resin. 
     
     
         21 . A method for coating a substrate, the method comprising applying the coating composition of  claim 15  to the substrate. 
     
     
         22 . The method of  claim 21 , wherein the substrate comprises a material selected from the group consisting of wood, paper, a textile, a leather, a nonwoven, a plastic surface, a glass, a ceramic, a mineral building material, an uncoated metal, and a coated metal. 
     
     
         23 . The method of  claim 21 , wherein the coating composition is at least one member selected from the group consisting of a primer, a surface, a pigmented topcoat, a clearcoat, an industrial coating, a wood coating, an automotive coating, an OEM coating, and a decorative coating.