Resin composition of poly(aryl ketone), poly(arylene sulfide) and thermosetting imide resine
A resin composition comprises a resin component containing 40 to 99% by mass of a poly(aryl ketone) and 1 to 60% by mass of a poly(arylene sulfide), and 0.1 to 5 parts by mass, per 100 parts by mass of the resin component, of at least one thermosetting imide resin selected from the group consisting of a polyfunctional unsaturated imide compound and its thermoset product. The resin composition is improved in terms of compatibility, moldability or formability, melt flowability, mechanical properties, etc. while maintaining high levels of various properties such as heat resistance, flame retardancy, chemical resistance and dimensional stability.
1. A resin composition, comprising:
a resin component containing (A) 40 to 99% by mass of a poly(aryl ketone) and (B) 1 to 60% by mass of a poly(arylene sulfide), and
(C) 0.1 to 5 parts by mass, per 100 parts by mass of said resin component, of at least one thermosetting imide resin selected from the group consisting of a polyfunctional unsaturated imide compound and a thermoset product thereof, wherein said polyfunctional unsaturated imide compound is a bisnadimide compound represented by the following
Formula (4):
where R 1 is a divalent organic group, R 2 is a halogen atom, an alkyl group, an alkoxy group, an allyl group, an alkylidene group, an aryl group or an aralkyl group, and m is 0 or an integer of 1 to 6.
2. The resin composition according to claim 1 , wherein said poly(aryl ketone) (A) is at least one poly(aryl ketone) selected from the group consisting of a poly(ether ether ketone) comprising a repeating unit represented by the following formula (1) and a poly(ether ketone) comprising a repeating unit represented by the following formula (2):
3. The resin composition according to claim 1 , wherein said poly(arylene sulfide) (B) is a poly(arylene sulfide) having a melt viscosity of 10 to 1,000 Pa·s, as measured at a temperature of 310° C. and a shear rate of 1,200/second.
4. The resin composition according to claim 1 , wherein said poly(arylene sulfide) (B) is a poly(phenylene sulfide).
5. The resin composition according to claim 1 , wherein said poly(arylene sulfide) has a pH of up to 8.0, as measured in a mixed water/organic solvent solution regulated to an acetone/water ratio of 1:2.
6. The resin composition according to claim 1 , wherein said bisnadimide compound is a bisallylnadimide compound represented by the following formula (5):
where R 1 is a divalent organic group.
7. The resin composition according to claim 6 , wherein said bisallylnadimide compound is a compound represented by the following formula (6):.
8. The resin composition according to claim 6 , wherein said bisallylnadimide compound is a compound represented by the following formula (7):.
9. The resin composition according to claim 6 , wherein said bisallylnadimide compound is a compound represented by the following formula (8):.
10. The resin composition according to claim 6 , wherein said bisallylnadimide compound has been synthesized by allowing nadic anhydride represented by the following formula (9) or a monoalkyl ester of nadic acid to react with a diamine, followed by a dehydration ring-closure reaction:.
11. The resin composition according to claim 1 , wherein said thermosetting imide resin (C) is a bisnadimide compound prior to thermosetting.
12. The resin composition according to claim 1 , wherein said thermosetting imide resin (C) is a thermoset product of a bisnadimide compound.
13. The resin composition according to claim 12 , wherein said thermoset product is obtained by heating said bisnadimide compound at a temperature of 200 to 300° C. for 30 minutes to 72 hours for thermosetting.
14. The resin composition according to claim 12 , wherein said thermoset product is a thermoset product of a bisallylnadimide compound.
15. The resin composition according to claim 1 , which further contains a filler in an amount of up to 800 parts by mass per 100 parts by mass of said resin component.
16. The resin composition according to claim 15 , wherein said filler is a fibrous filler.