Perfluorostyrene compound, and coating solution and optical waveguide device using the same

Abstract

Disclosed is a fluorine compound having perfluorostyrene introduced at a terminal thereof, as represented in the following Formula 1, and a coating solution and an optical waveguide device using the same, characterized in that the introduction of perfluorostyrene results in a facile fabrication of thin films by a UV curing or a thermal curing, high thermal stability and chemical resistance, and low optical propagation loss and birefringence: Wherein Z is O or S; R F is an aliphatic or aromatic group; y is a natural number of 1-10; y′ is an integer of 0-1; x is an integer of 0-200; and Wherein B is a single bond or selected from the group consisting of —CO—, —SO 2 —, —S— and —O—, and Hal is selected from the group consisting of F, Cl, Br and I.

What is claimed is:  
     
         1 . A fluorine compound having perfluorostyrene introduced at a terminal thereof, as represented in the following Formula 1:  
       
         
           
           
               
               
           
         
         Wherein Z is O or S; R F  is an aliphatic or aromatic group; y is a natural number of 1-10; y′ is an integer of 0-1; x is an integer of 0-200; and  
         
           
             
             
                 
                 
             
           
         
         Wherein B is a single bond or selected from the group consisting of —CO—, —SO 2 —, —S— and —O—; and Hal is selected from the group consisting of F, Cl, Br and I.  
       
     
     
         2 . The fluorine compound as defined in  claim 1 , wherein y and y′ are 1, and R F  is —CH 2 (CF 2 ) n CH 2 —, —CH 2 CF 2 O(CF 2 CF 2 O) n CF 2 CH 2 —, or  
       
         
           
           
               
               
           
         
         Wherein n is a natural number of 1-12; D is selected from the group consisting of —C(CF 3 ) 2 —, —C(CH 3 ) 2 —, —CO—, —SO 2 —, —O— and —S—; R 1  and R 2  are independently selected from the group consisting of H, or halogen elements, including F, Cl, Br and I; and m is a natural number of 1-3.  
       
     
     
         3 . The fluorine compound as defined in  claim 2 , wherein Z is O, and x is an integer of 2-50.  
     
     
         4 . The fluorine compound as defined in  claim 3 , wherein Ar is halogenated pentafluorobenzene, and R F  is —CH 2  (CF 2 ) n CH 2 —, —CH 2 CF 2  (OCF 2 CF 2 ) n OCF 2 CH 2 — or  
       
         
           
           
               
               
           
         
       
     
     
         5 . The fluorine compound as defined in  claim 1 , wherein y is a natural number of 1-10, and x and y′ are 0.  
     
     
         6 . The fluorine compound as defined in  claim 5 , wherein y is 1, and R F  is a substituted or unsubstituted alkyl group.  
     
     
         7 . The fluorine compound as defined in  claim 5 , wherein y is 2, and Z is 0, and R F  is —CH 2 (CF 2 ) n CH 2 —, —CH 2 CF 2 O(CF 2 CF 2 O) n CF 2 CH 2 —, or  
       
         
           
           
               
               
           
         
         Wherein n is a natural number of 1-12; D is selected from the group consisting of —C(CF 3 ) 2 —, —C(CH 3 ) 2 —, —CO—, —SO 2 —, —O— and —S—; R 1  and R 2  are independently selected from the group consisting of H, or halogen elements, including F, Cl, Br and I; and m is a natural number of 1-3.  
       
     
     
         8 . The fluorine compound as defined in  claim 7 , wherein R F  is —CH 2 (CF 2 ) n CH 2 —, —CH 2 CF 2 (OCF 2 CF 2 ) n OCF 2 CH 2 —, or  
       
         
           
           
               
               
           
         
       
     
     
         9 . The fluorine compound as defined in  claim 5 , wherein y is 3, and R F  is  
       
         
           
           
               
               
           
         
         Wherein M is selected from the group consisting of C—CH 3 , C—CF 3 , C—CCl 3 , C—CBr 3 , N, P and P═O.  
       
     
     
         10 . The fluorine compound as defined in  claim 5 , wherein y is a natural number of 4-10, and -Z-R F  is an aromatic or aliphatic polyol.  
     
     
         11 . A polymer coating solution, comprising at least one fluorine compound selected from the group consisting of fluorine compounds having perfluorostyrene introduced at a terminal thereof of  claim 1 , at least one acrylate compound selected from the group consisting of acrylate compounds represented by the following Formula 7, and a photoinitiator:  
       
         
           
           
               
               
           
         
         Wherein A is a fluorinated aliphatic or aromatic group, and Y is H or CH 3 .  
       
     
     
         12 . The polymer coating solution as defined in  claim 11 , wherein A is —CH 2 (CF 2 ) n CH 2 —, —CH 2 CF 2 (OCF 2 CF 2 ) n OCF 2 CH 2 — or  
       
         
           
           
               
               
           
         
       
     
     
         13 . A polymer coating solution, comprising 30-70 wt % of at least one fluorine compound selected from the group consisting of fluorine compounds having perfluorostyrene introduced at a terminal thereof of  claim 1 ,  30 - 70  wt % of at least one acrylate compound selected from the group consisting of acrylate compounds represented by the following Formula 7, and 0.5-4 wt % of a photoinitiator:  
       
         
           
           
               
               
           
         
         Wherein A is a fluorinated aliphatic or aromatic group, and Y is H or CH 3 .  
       
     
     
         14 . An optical waveguide device, comprising a lower cladding layer formed on a planar substrate, a core layer formed on the lower cladding layer, and an upper cladding layer formed on the core layer, wherein the core layer and the lower and upper cladding layers include the fluorine compound of any one of  claims 1  to  10 .  
     
     
         15 . An optical waveguide device, comprising a lower cladding layer formed on a planar substrate, a core layer formed on the lower cladding layer, and an upper cladding layer formed on the core layer, wherein the core layer and the lower and upper cladding layers include the coating solution of  claim 11  or  12 .