摘要:
A polyphenylene sulfide resin treated by thermal oxidation has a generated gas amount of 0.23 wt % or less when the resin is heated and melted in vacuum at 320° C. for 2 hours; a residual amount of 3.0 wt % or less as a residue when the resin is dissolved in an amount corresponding to 20 times the weight of the resin, of 1-chloronaphthalene at 250° C. for 5 minutes and, as the 1-chloronaphthalene solution, pressure-filtered in a still hot state by a PTFE membrane filter with a pore size of 1 μm or less; and a melt flow rate (measured at a temperature of 315.5° C. and at a load of 5000 g according to ASTM D-1238-70) of more than 100 g/10 min to 500 g/10 min.
摘要:
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).
摘要:
The invention provides a polyphenylene sulfide resin composition including: 1 to 100 parts by weight of an olefin elastomer (B); and 0.01 to 10 parts by weight of a carboxylic acid amide wax mixture (C), relative to 100 parts by weight of a polyphenylene sulfide resin (A), wherein the carboxylic acid amide wax mixture (C) is obtained by adding 0.01 to 5 parts by weight of an antioxidant to 100 parts by weight of a carboxylic acid amide wax produced by reaction of a higher aliphatic monocarboxylic acid, a polybasic acid and a diamine.
摘要:
A biaxially oriented polyphenylene sulfide film contains polyphenylene sulfide and polyether imide, wherein the contents of the polyphenylene sulfide and the polyether imide are 70 to 99 parts by weight and 1 to 30 parts by weight respectively when the total amount of the polyphenylene sulfide and the polyether imide is taken as 100 parts by weight, and further contains a compound having one or more groups selected from an epoxy group, an amino group and an isocyanate group as a compatibilizing agent in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the polyphenylene sulfide and polyether imide in total, and the polyether imide forms a dispersed phase with an average particle diameter of 10 to 500 nm and the biaxially oriented polyphenylene sulfide film exhibits a tensile elongation at break of 110 to 250% in both the longitudinal direction and width direction.
摘要:
A biaxially oriented polyphenylene sulfide film contains polyphenylene sulfide and polyether imide, wherein the contents of the polyphenylene sulfide and the polyether imide are 70 to 99 parts by weight and 1 to 30 parts by weight respectively when the total amount of the polyphenylene sulfide and the polyether imide is taken as 100 parts by weight, and further contains a compound having one or more groups selected from an epoxy group, an amino group and an isocyanate group as a compatibilizing agent in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the polyphenylene sulfide and polyether imide in total, and the polyether imide forms a dispersed phase with an average particle diameter of 10 to 500 nm and the biaxially oriented polyphenylene sulfide film exhibits a tensile elongation at break of 110 to 250% in both the longitudinal direction and width direction.
摘要:
A biaxially oriented polyarylene sulfide film and laminated polyarylene sulfide sheets of the film contain polyarylene sulfide and other thermoplastic resin A different from the polyarylene sulfide, wherein the contents of the polyarylene sulfide and the thermoplastic resin A are 70 to 99 parts by weight and 1 to 30 parts by weight respectively when the total amount of the polyarylene sulfide and the thermoplastic resin A is taken as 100 parts by weight and the resin thermoplastic A forms a dispersed phase with an average particle diameter of 10 to 500 nm and the biaxially oriented polyarylene sulfide film exhibits a tensile elongation at break of 110 to 250% in at least one of the longitudinal direction and width direction and a tensile fracture elongation of 80 to 250% in the other direction.
摘要:
This invention provides a method for producing a polyarylene sulfide, comprising the step of bringing a low-hydrated alkali metal sulfide containing respectively 0.05 to less than 0.8 mole of water and an organic amide solvent per mole of the sulfur contained in the alkali metal sulfide, into contact with a dihalogenated aromatic compound in an organic polar solvent for polymerization. This invention also provides a polyarylene sulfide obtained by the method. The problem to be solved by this invention is to provide a method for efficiently producing a polyarylene sulfide in a short time using an alkali metal sulfide small in water content and organic amide solvent content.
摘要:
This invention provides a method for producing a polyarylene sulfide, comprising the step of bringing a low-hydrated alkali metal sulfide containing respectively 0.05 to less than 0.8 mole of water and an organic amide solvent per mole of the sulfur contained in the alkali metal sulfide, into contact with a dihalogenated aromatic compound in an organic polar solvent for polymerization. This invention also provides a polyarylene sulfide obtained by the method. The problem to be solved by this invention is to provide a method for efficiently producing a polyarylene sulfide in a short time using an alkali metal sulfide small in water content and organic amide solvent content.