Silylated polycarbonate polymers, method of making, and articles

Abstract

A silylated dihydroxy aromatic compound of the formula (1a); wherein G a and G b are each independently C 1-12 alkyl, —OSi(C 1-12 alkyl) 3 , C 1-12 arylalkyl, or —OSi(C 1-12 arylalkyl) 3 ; Z a and Z b are each independently a straight or branched C 2-18 alkylene, a C 8-18 arylalkylene, or a C 8-18 alkylarylene, X a is a direct bond, a heteroatom-containing group, or a C 1-18 organic group, and r and s are each independently 1 or 2 is disclosed.

1 . A silylated dihydroxy aromatic compound of the formula (1a); 
       
         
           
           
               
               
           
         
         wherein G a  and G b  are each independently C 1-12  alkyl, —OSi(C 1-12  alkyl) 3 , C 1-12  arylalkyl, or —OSi(C 1-12  arylalkyl) 3 ; Z a  and Z b  are each independently a straight or branched C 2-18  alkylene, a C 8-18  arylalkylene, or a C 8-18  alkylarylene, X a  is a direct bond, a heteroatom-containing group, or a C 1-18  organic group, and r and s are each independently 1 or 2. 
       
     
     
         2 . The silylated dihydroxy aromatic compound of  claim 1 , wherein the silylated dihydroxy aromatic compound is a metal catalyzed hydrosilylation product of a vinyl-substituted aromatic diol of the formula (16): 
       
         
           
           
               
               
           
         
         wherein Y a  and Y b  are each independently a straight or branched C 0-16  alkylene, a C 6-16  arylalkylene, or a C 6-16  alkylarylene, X a  is a C 5-16  cycloalkylene, a C 5-16  cylcloalkylidene, a C 1-5  alkylene, a C 1-5  alkylidene, a C 6-13  arylene, a C 7-12  arylalkylene, C 7-12  arylalkylidene, a C 7-12  alkylarylene, or a C 7-12  arylenealkyl, and r and s are each independently 1 or 2, and 
         a hydridosilane. 
       
     
     
         3 . The silylated dihydroxy aromatic compound of  claim 2 , wherein the hydridosilane has the formula:
   H—Si(G) 3 ,   wherein each G is independently C 1-12  alkyl, —OSi(C 1-12  alkyl) 3 , C 1-12  arylalkyl, or —OSi(C 1-12  arylalkyl) 3 .   
     
     
         4 . The silylated dihydroxy aromatic compound of  claim 2 , wherein the vinyl-substituted aromatic diol comprises the formula (17): 
       
         
           
           
               
               
           
         
         where X a  is a direct bond or an isopropylidene, and 
         the hydridosilane comprises the formula H—Si(CH 3 )(OSi(CH 3 ) 3 ) 2 . 
       
     
     
         5 . The silylated dihydroxy aromatic compound of  claim 2 , wherein the metal catalyzed hydrosilylation is carried out using a platinum, palladium, or rhodium catalyst. 
     
     
         6 . A silylated dihydroxy aromatic compound comprising the structure of formula (6): 
       
         
           
           
               
               
           
         
       
     
     
         7 . A silylated dihydroxy aromatic compound comprising the structure of formula (7):