Non-halogen flameproof resin composition
A non-halogen flameproof resin composition is disclosed. The resin composition includes a base resin including (A) about 80 to about 99% by weight of an aromatic vinyl resin and (B) about 1 to about 20% by weight of a polyphenylene ether; and (C) about 0.5 to about 30 parts by weight of a cyclic t-butyl phosphonate, based on about 100 parts by weight of the base resin comprising (A) and (B).
1. A non-halogen flameproof resin composition comprising:
a base resin comprising (A) about 80 to about 99% by weight of an aromatic vinyl resin, and (B) about 1 to about 20% by weight of a polyphenylene ether; and
(C) about 0.5 to about 30 parts by weight of a cyclic t-butyl phosphonate compound, based on about 100 parts by weight of the base resin comprising (A) and (B).
2. The non-halogen flameproof resin composition of claim 1 , wherein said aromatic vinyl resin is a polymer comprising a rubber and an aromatic monoalkenyl monomer.
3. The non-halogen flameproof resin composition of claim 1 , wherein:
said aromatic vinyl resin is a polymer comprising a rubber, aromatic monoalkenyl monomers and monomers polymerizable with said aromatic monoalkenyl monomers; and
said polymerizable monomers are selected from the group consisting of alkyl ester monomers, unsaturated nitrile monomers and mixtures thereof.
4. The non-halogen flameproof resin composition of claim 1 , wherein said polyphenylene ether (B) is poly(2,6-dimethyl-1,4-phenylene)ether.
5. The non-halogen flameproof resin composition of claim 1 , wherein said cyclic t-butyl phosphonate compound (C) is represented by the following chemical formula 1:
wherein R 1 and R 2 are each independently hydrogen, C 1 -C 6 alkyl or C 6 -C 10 aryl.
6. The non-halogen flameproof resin composition of claim 1 , further comprising about 30 parts by weight or less of (D) an aromatic phosphoric ester compound, based on about 100 parts by weight of the base resin.
7. The non-halogen flameproof resin composition of claim 6 , wherein said aromatic phosphoric ester compound (D) is represented by the following chemical formula 2:
wherein R 3 , R 4 , and R 5 are each independently hydrogen or C 1 -C 4 alkyl, X is C 6 -C 20 aryl or C 1 -C 4 alkyl-substituted C 6 -C 20 aryl, and n is about 0 to about 4.
8. The non-halogen flameproof resin composition of claim 1 , further comprising one or more additives selected from the group consisting of plasticizers, lubricants, heat stabilizers, anti-dripping agents, antioxidants, compatibilizers, light-stabilizers, pigments, dyes, inorganic fillers and mixtures thereof, in an amount of about 30 parts by weight or less, based on about 100 parts by weight of the base resin.
9. A molded article molded from the non-halogen flameproof resin composition of claim 1 .