Resin composition and shaped product

Abstract

Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.

1 . A resin composition comprising:
 a polyphenylene ether resin (I);   a polypropylene resin (II);   a hydrogenated block copolymer (I) that is an at least partially hydrogenated product of a block copolymer including a polymer block A of mainly a vinyl aromatic compound and a polymer block B of mainly a conjugated diene compound in which a total amount of 1,2-vinyl bonding and 3,4-vinyl bonding is 30% to 90%; and   a phosphate ester compound (IV), wherein   relative to 100 parts by mass, in total, of the polyphenylene ether resin (I) and the polypropylene resin (II):   the polyphenylene ether resin (I) is contained in an amount of 40 parts by mass to 99 parts by mass;   the polypropylene resin (II) is contained in an amount of 1 part by mass to 60 parts by mass;   the hydrogenated block copolymer (III) is contained in an amount of 1 part by mass to 20 parts by mass; and   the phosphate ester compound (IV) is contained in an amount of 5 parts by mass to 45 parts by mass, and   upon dissolution of the resin composition in chloroform, a ratio (IV) (I) /(IV) (II)  is 10 or more, where (IV) (I)  represents content of the phosphate ester compound (IV) present in a fraction that dissolves in chloroform and (IV) (II)  represents content of the phosphate ester compound (IV) present in a fraction that dissolves in o-dichlorobenzene.   
     
     
         2 . The resin composition according to  claim 1 , wherein
 the ratio (IV) (I) /(IV) (II)  is 250 or less.   
     
     
         3 . The resin composition according to  claim 2 , wherein
 the ratio (IV) (I) /(IV) (II)  is 199 or less.   
     
     
         4 . The resin composition according to  claim 3 , wherein
 the ratio (IV) (I) /(IV) (II)  is 15 to 199.   
     
     
         5 . The resin composition according to  claim 1 , further comprising
 3 parts by mass to 15 parts by mass of at least one phosphinate salt (V) selected from the group consisting of:   a phosphinate salt represented by formula (1)   
       
         
           
           
               
               
           
         
       
       where R 11  and R 12  are each, independently of one another, a linear or branched alkyl group having a carbon number of 1 to 6 and/or an aryl group having a carbon number of 6 to 10, M 1  is at least one selected from the group consisting of a calcium ion, a magnesium ion, an aluminum ion, a zinc ion, a bismuth ion, a manganese ion, a sodium ion, a potassium ion, and a protonated nitrogenous base, a is an integer of 1 to 3, m is an integer of 1 to 3, and a=m; and
 a diphosphinate salt represented by formula (2) 
 
       
         
           
           
               
               
           
         
       
       where R 21  and R 22  are each, independently of one another, a linear or branched alkyl group having a carbon number of 1 to 6 and/or an aryl group having a carbon number of 6 to 10, R 23  is a linear or branched alkylene group having a carbon number of 1 to 10, an arylene group having a carbon number of 6 to 10, an alkylarylene group having a carbon number of 6 to 10, or an arylalkylene group having a carbon number of 6 to 10, M 2  is at least one selected from the group consisting of a calcium ion, a magnesium ion, an aluminum ion, a zinc ion, a bismuth ion, a manganese ion, a sodium ion, a potassium ion, and a protonated nitrogenous base, b is an integer of 1 to 3, n is an integer of 1 to 3, j is an integer of 1 or 2, and b·j=2n. 
     
     
         6 . The resin composition according to  claim 1 , wherein
 the total amount of 1,2-vinyl bonding and 3,4-vinyl bonding in the conjugated diene compound of the polymer block B is 65% to 90%, and   the conjugated diene compound of the polymer block B includes butadiene.   
     
     
         7 . The resin composition according to  claim 1 , wherein
 the phosphate ester compound (IV) includes a condensed phosphate ester.   
     
     
         8 . The resin composition according to  claim 1 , wherein
 the resin composition has a morphology in which a phase containing the polyphenylene ether resin (I) and a phase containing the polypropylene resin (II) are co-continuous or a morphology in which a phase containing the polypropylene resin (II) is a matrix.   
     
     
         9 . A shaped product comprising the resin composition according to  claim 1 . 
     
     
         10 . The resin composition according to  claim 4 , further comprising
 3 parts by mass to 15 parts by mass of at least one phosphinate salt (V) selected from the group consisting of:   a phosphinate salt represented by formula (1)   
       
         
           
           
               
               
           
         
       
       where R 11  and R 12  are each, independently of one another, a linear or branched alkyl group having a carbon number of 1 to 6 and/or an aryl group having a carbon number of 6 to 10, M 1  is at least one selected from the group consisting of a calcium ion, a magnesium ion, an aluminum ion, a zinc ion, a bismuth ion, a manganese ion, a sodium ion, a potassium ion, and a protonated nitrogenous base, a is an integer of 1 to 3, m is an integer of 1 to 3, and a=m; and
 a diphosphinate salt represented by formula (2) 
 
       
         
           
           
               
               
           
         
       
       where R 21  and R 22  are each, independently of one another, a linear or branched alkyl group having a carbon number of 1 to 6 and/or an aryl group having a carbon number of 6 to 10, R 23  is a linear or branched alkylene group having a carbon number of 1 to 10, an arylene group having a carbon number of 6 to 10, an alkylarylene group having a carbon number of 6 to 10, or an arylalkylene group having a carbon number of 6 to 10, M 2  is at least one selected from the group consisting of a calcium ion, a magnesium ion, an aluminum ion, a zinc ion, a bismuth ion, a manganese ion, a sodium ion, a potassium ion, and a protonated nitrogenous base, b is an integer of 1 to 3, n is an integer of 1 to 3, j is an integer of 1 or 2, and b·j=2n. 
     
     
         11 . The resin composition according to  claim 4 , wherein
 the total amount of 1,2-vinyl bonding and 3,4-vinyl bonding in the conjugated diene compound of the polymer block B is 65% to 90%, and   the conjugated diene compound of the polymer block B includes butadiene.   
     
     
         12 . The resin composition according to  claim 5 , wherein
 the total amount of 1,2-vinyl bonding and 3,4-vinyl bonding in the conjugated diene compound of the polymer block B is 65% to 90%, and   the conjugated diene compound of the polymer block B includes butadiene.   
     
     
         13 . The resin composition according to  claim 4 , wherein
 the phosphate ester compound (IV) includes a condensed phosphate ester.   
     
     
         14 . The resin composition according to  claim 5 , wherein
 the phosphate ester compound (IV) includes a condensed phosphate ester.   
     
     
         15 . The resin composition according to  claim 6 , wherein
 the phosphate ester compound (IV) includes a condensed phosphate ester.   
     
     
         16 . The resin composition according to  claim 4 , wherein
 the resin composition has a morphology in which a phase containing the polyphenylene ether resin (I) and a phase containing the polypropylene resin (II) are co-continuous or a morphology in which a phase containing the polypropylene resin (II) is a matrix.   
     
     
         17 . The resin composition according to  claim 5 , wherein
 the resin composition has a morphology in which a phase containing the polyphenylene ether resin (I) and a phase containing the polypropylene resin (II) are co-continuous or a morphology in which a phase containing the polypropylene resin (II) is a matrix.   
     
     
         18 . The resin composition according to  claim 6 , wherein
 the resin composition has a morphology in which a phase containing the polyphenylene ether resin (I) and a phase containing the polypropylene resin (II) are co-continuous or a morphology in which a phase containing the polypropylene resin (II) is a matrix.   
     
     
         19 . The resin composition according to  claim 7 , wherein
 the resin composition has a morphology in which a phase containing the polyphenylene ether resin (I) and a phase containing the polypropylene resin (II) are co-continuous or a morphology in which a phase containing the polypropylene resin (II) is a matrix.   
     
     
         20 . A shaped product comprising the resin composition according to  claim 8 .