Thermoplastic resin compositions
The thermoplastic resin composition according to the present invention comprises (A) about 20˜95 parts by weight of a rubber-modified polystyrene resin composed of (a 1 ) about 10˜60% by weight of a styrene-containing graft copolymer resin containing about 10˜60% by weight of a rubber and about 90˜40% by weight of a styrene-acrylonitrile copolymer, the styrene-acrylonitrile copolymer containing about 0.5˜10% by weight of acrylonitrile, and (a 2 ) about 90˜40% by weight of a styrene-containing copolymer resin containing 0˜20% by weight of a rubber; and (B) about 5˜80 parts by weight of a polyphenylene ether.
1. A thermoplastic resin compositions comprising:
(A) 20˜95 parts by weight of a rubber-modified styrene-containing resin composed of
(a 1 ) 10˜60% by weight of a styrene-containing graft copolymer resin containing 10˜60% by weight of a rubber and 90˜40% by weight of a styrene-acrylonitrile copolymer, wherein the styrene-acrylonitrile copolymer contains 0.5˜10% by weight of acrylonitrile, and
(a 2 ) 90˜40% by weight of a polystyrene resin containing 0˜20% by weight of a rubber; and
(B) 5˜80 parts by weight of a polyphenylene ether.
2. The thermoplastic resin compositions as defined in claim 1 , wherein said polystyrene resin (a 2 ) is selected from the group consisting of a polystyrene resin which does not contain rubber, a rubber-reinforced polystyrene, and a mixture thereof.
3. The thermoplastic resin compositions as defined in claim 1 , wherein said polystyrene resin (a 2 ) is selected from the group consisting of a polystyrene, a rubber-reinforced polystyrene, and a mixture thereof.
4. The thermoplastic resin compositions as defined in claim 1 , wherein said polyphenylene ether resin (B) is poly(2,6-dimethyl-1,4-phenylene)ether.
5. The thermoplastic resin compositions as defined in claim 1 , wherein said styrene-containing graft copolymer resin (a 1 ) contains 0.5˜7% by weight of acrylonitrile.
6. The thermoplastic resin compositions as defined in claim 1 , wherein said styrene-containing graft copolymer resin (a 1 ) contains 1˜5% by weight of acrylonitrile.
7. The thermoplastic resin compositions as defined in claim 1 , wherein said resin composition comprises 40˜95 parts by weight of rubber-modified styrene-containing resin (A) and 5˜60 parts by weight of polyphenylene ether (B).
8. The thermoplastic resin compositions as defined in claim 1 , wherein said resin composition further comprises a flame retardant, an anti-dripping agent, an impact modifier, a plasticizer, an inorganic filler, a heat stabilizer, an anti-oxidants, a light stabilizer, a pigment, and/or a dye.
9. A thermoplastic resin compositions comprising:
(A) 20˜95 parts by weight of a rubber-modified styrene-containing resin composed of
(a 1 ) 10˜60% by weight of a styrene-containing graft copolymer resin containing 10˜60% by weight of a rubber and 90˜40% by weight of a styrene-methacrylonitrile copolymer, wherein the styrene-methacrylonitrile copolymer contains 0.5˜10% by weight of methacrylonitrile, and
(a 2 ) 90˜40% by weight of a polystyrene resin containing 0˜20% by weight of a rubber; and
(B) 5˜80 parts by weight of a polyphenylene ether.
10. The thermoplastic resin compositions as defined in claim 9 , wherein said polystyrene resin (a 2 ) is selected from the group consisting of a polystyrene resin which does not contain rubber, a rubber-reinforced polystyrene, and a mixture thereof.
11. The thermoplastic resin compositions as defined in claim 9 , wherein said polyphenylene ether resin (B) is poly(2,6-dimethyl-1,4-phenylene)ether.
12. The thermoplastic resin compositions as defined in claim 9 , wherein said styrene-containing graft copolymer resin (a 1 ) contains 0.5˜7% by weight of methacrylonitrile.
13. The thermoplastic resin compositions as defined in claim 9 , wherein said styrene-containing graft copolymer resin (a 1 ) contains 1˜5% by weight of methacrylonitrile.
14. The thermoplastic resin compositions as defined in claim 9 , wherein said resin composition comprises 40˜95 parts by weight of rubber-modified styrene-containing resin (A) and 5˜60 parts by weight of polyphenylene ether (B).
15. A thermoplastic resin compositions comprising:
(A) 2˜95 parts by weight of a rubber-modified styrene-containing resin composed of
(a 1 ) 10˜60% by weight of a styrene-containing graft copolymer resin containing 10˜60% by weight of a rubber and 90˜40% by weight of a styrene-acrylonitrile copolymer containing 0.5˜10% by weight of acrylonitrile or a styrene-methacrylonitrile copolymer containing 0.5˜10% by weight of methacrylonitrile, and
(a 2 ) 90˜40% by weight of a polystyrene resin which contains 0% by weight of a rubber; and
(B) 5˜80 parts by weight of a polyphenylene ether.
16. The thermoplastic resin compositions as defined in claim 15 , wherein said polyphenylene ether resin (B) is poly(2,6-dimethyl-1,4-phenylene)ether.
17. The thermoplastic resin compositions as defined in claim 15 , wherein said styrene-containing graft copolymer resin (a 1 ) contains a styrene-acrylonitrile copolymer containing 0.5˜7% by weight of acrylonitrile or a styrene-methacrylonitrile copolymer containing 0.5˜7% by weight of methacrylonitrile.
18. The thermoplastic resin compositions as defined in claim 15 , wherein said styrene-containing graft copolymer resin (a 1 ) contains a styrene-acrylonitrile copolymer containing 1˜5% by weight of acrylonitrile or a styrene-methacrylonitrile copolymer containing 1˜5% by weight of methacrylonitrile.
19. The thermoplastic resin compositions as defined in claim 15 , wherein said resin composition comprises 40˜95 parts by weight of rubber-modified styrene-containing resin (A) and 5˜60 parts by weight of polyphenylene ether (B).
20. A thermoplastic resin compositions comprising:
(A) 20˜95 parts by weight of a rubber-modified styrene-containing resin composed of
(a 1 ) 10˜60% by weight of a styrene-containing graft copolymer resin prepared by copolymerizing 10˜60% by weight of a rubber with 90˜40% by weight of a monomer mixture of 90˜99.5% by weight of an aromatic vinyl monomer and 0.5˜10% by weight of acrylonitrile or methacrylonitrile, and
(a 2 ) 90˜40% by weight of a polystyrene resin prepared by adding 80˜100% by weight of an aromatic alkenyl compounds to 0˜20% by weight of a rubber and polymerizing the resulting mixture using one or more of benzoylperoxide, t-butyl hydroperoxide, acetyl peroxide, or cumene hydroperoxide as initiators, and
(B) 5˜80 parts by weight of a polyphenylene ether.