Resin composition and film

Abstract

a content of the amine compound with respect to 100 parts by mass of the modified PVA being from 0.01 parts by mass to 1 part by mass. In the formula (I), R1 represents a hydrogen atom, or an alkyl group having 1 to 8 carbon atoms; and R2 represents —R3—SO3−X+, —R3—N+(R4)3Cl−, or a hydrogen atom, R3 representing an alkanediyl group having 1 to 10 carbon atoms, X+ representing a hydrogen atom, a metal atom, or an ammonium group, and R4 representing a linear or branched alkyl group having 1 to 5 carbon atoms. In the formula (II), R5 represents —R3′—SO3−X+′, —R3′—N+(R4′)3Cl−, or a hydrogen atom.

1 . A resin composition comprising a modified polyvinyl alcohol comprising a monomer unit represented by formula (I), and an amine compound represented by formula (II): 
       
         
           
           
               
               
           
         
         wherein in the formula (I): 
         R 1  represents a hydrogen atom, or a linear or branched alkyl group having 1 to 8 carbon atoms, 
         R 2  represents —R 3 —SO 3   − X + , —R 3 —N + (R 4 ) 3 Cl − , or a hydrogen atom, 
         R 3  representing a linear or branched alkanediyl group having 1 to 10 carbon atoms, 
         X +  representing a hydrogen atom, a metal atom, or an ammonium group, and 
         R 4  representing a linear or branched alkyl group having 1 to 5 carbon atoms, wherein a plurality of R 4 s are identical or different; and
   H 2 N—R 5   (II),
 
 
         wherein in the formula (II): 
         R 5  represents —R 3′ —SO 3   − X + ′, —R 3′ —N + (R 4′ ) 3 Cl − , or a hydrogen atom, 
         R 3′  representing a linear or branched alkanediyl group having 1 to 10 carbon atoms, 
         X +′  representing a hydrogen atom, a metal atom, or an ammonium group, and 
         R 4′  representing a linear or branched alkyl group having 1 to 5 carbon atoms, wherein a plurality of R 4′ s are identical or different, 
         wherein a content of the amine compound with respect to 100 parts by mass of the modified polyvinyl alcohol is 0.01 parts by mass or greater and 1 part by mass or less. 
       
     
     
         2 . The resin composition according to  claim 1 , wherein:
 a viscosity average degree of polymerization of the modified polyvinyl alcohol is 300 or greater and 3,000 or less; and   a degree of saponification of the modified polyvinyl alcohol is 82 mol % or greater and 99.5 mol % or less.   
     
     
         3 . The resin composition according to  claim 1 , wherein a percentage content of the monomer unit represented by the formula (I) with respect to total monomer units in the modified polyvinyl alcohol is 0.05 mol % or greater and 10 mol % or less. 
     
     
         4 . The resin composition according to  claim 1 , wherein:
 the modified polyvinyl alcohol further comprises a structural unit represented by formula (III):   
       
         
           
           
               
               
           
         
         R 6  represents a hydrogen atom, or a linear or branched alkyl group having 1 to 8 carbon atoms; and 
         a percentage content of the structural unit with respect to total monomer units in the modified polyvinyl alcohol is 0.001 mol % or greater and 0.5 mol % or less. 
       
     
     
         5 . A film formed from the resin composition according to  claim 1 .