Polyphenylene sulfide resin composition

Abstract

A polyphenylene sulfide resin composition including 99 to 60 wt % of a polyphenylene sulfide resin (a) and 1 to 40 wt % of a polyamide resin (b), wherein the polyphenylene sulfide resin (a) forms a sea phase while the polyamide resin (b) forms an island phase, and that the number average dispersed particle size of the polyamide resin (b) is less than 500 nm; and a polyphenylene sulfide resin composition, wherein a compound having one or more types of groups selected from epoxy group, amino group and isocyanate group is added by 0.1 to 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c).

1 - 7 . (canceled)  
   
   
       8 . A polyphenylene sulfide resin composition comprising about 99 to about 60 wt % of a polyphenylene sulfide resin (a) and about 1 to about 40 wt % of a polyamide resin (b), wherein the polyphenylene sulfide resin (a) forms a sea phase while the polyamide resin (b) forms an island phase, and the number average dispersed particle size of the polyamide resin (b) is less than about 500 nm.  
   
   
       9 . The composition according to  claim 8 , wherein the melt viscosity of the polyphenylene sulfide resin (a) is about 100 Pa·s (under conditions of 310° C. and shear rate 1000/s) or more.  
   
   
       10 . The composition according to  claim 8 , wherein, after the polyphenylene sulfide resin composition is melted and allowed to reside at 300° C. for 30 minutes, the number average dispersed particle size of the polyamide resin (b) is kept at less than about 500 nm.  
   
   
       11 . The composition according to  claim 8 , wherein the polyamide resin (b) has 6 to less than 11 carbon atoms per one amide group in each of the recurring units constituting the polyamide.  
   
   
       12 . The composition according to  claim 8 , wherein the polyamide resin (b) is at least one selected from the group consisting of a copolyamide, nylon 610 or nylon 612.  
   
   
       13 . The composition according to  claim 8 , wherein a compound having one or more types of groups selected from the group consisting of epoxy group, amino group and isocyanate group is added by about 0.1 to about 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c) for the polyphenylene sulfide resin (a) and the polyamide resin (b).  
   
   
       14 . The composition according to  claim 8 , which has a tensile elongation of about 80% or more.  
   
   
       15 . The composition according to  claim 9 , wherein, after the polyphenylene sulfide resin composition is melted and allowed to reside at 300° C. for 30 minutes, the number average dispersed particle size of the polyamide resin (b) is kept at less than about 500 nm.  
   
   
       16 . The composition according to  claim 9 , wherein the polyamide resin (b) has 6 to less than 11 carbon atoms per one amide group in each of the recurring units constituting the polyamide.  
   
   
       17 . The composition according to  claim 10 , wherein the polyamide resin (b) has 6 to less than 11 carbon atoms per one amide group in each of the recurring units constituting the polyamide.  
   
   
       18 . The composition according to  claim 9 , wherein the polyamide resin (b) is at least one selected from the group consisting of a copolyamide, nylon 610 or nylon 612.  
   
   
       19 . The composition according to  claim 10 , wherein the polyamide resin (b) is at least one selected from the group consisting of a copolyamide, nylon 610 or nylon 612.  
   
   
       20 . The composition according to  claim 11 , wherein the polyamide resin (b) is at least one selected from the group consisting of a copolyamide, nylon 610 or nylon 612.  
   
   
       21 . The composition according to  claim 9 , wherein a compound having one or more types of groups selected from the group consisting of epoxy group, amino group and isocyanate group is added by about 0.1 to about 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c) for the polyphenylene sulfide resin (a) and the polyamide resin (b).  
   
   
       22 . The composition according to  claim 10 , wherein a compound having one or more types of groups selected from the group consisting of epoxy group, amino group and isocyanate group is added by about 0.1 to about 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c) for the polyphenylene sulfide resin (a) and the polyamide resin (b).  
   
   
       23 . The composition according to  claim 11 , wherein a compound having one or more types of groups selected from the group consisting of epoxy group, amino group and isocyanate group is added by about 0.1 to about 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c) for the polyphenylene sulfide resin (a) and the polyamide resin (b).  
   
   
       24 . The composition according to  claim 12 , wherein a compound having one or more types of groups selected from the group consisting of epoxy group, amino group and isocyanate group is added by about 0.1 to about 10 parts by weight per 100 parts by weight in total of the polyphenylene sulfide resin (a) and the polyamide resin (b), as a compatibilizing agent (c) for the polyphenylene sulfide resin (a) and the polyamide resin (b).  
   
   
       25 . The composition according to  claim 9 , which has a tensile elongation of about 80% or more.  
   
   
       26 . The composition according to  claim 10 , which has a tensile elongation of about 80% or more.  
   
   
       27 . The composition according to  claim 11 , which has a tensile elongation of about 80% or more.