Claims
- 1. A flame-retardant polyphenylene ether resin composition comprising (A) 85 to 97% by weight of a resin consisting of (1) 20 to 90% by weight of a polyphenylene ether of the generic formula (A): ##STR31## where R.sub.1 and R.sub.2 are each an alkyl of 1 to 4 carbon atoms and m is the degree of polymerization, and (2) 10 to 80% by weight of a styrene type polymer, and (B) 3 to 15% by weight of at least one member selected from the group consisting of phosphorus-containing compounds of the generic formula (B): ##STR32## where X is a hydrogen atom, a hydroxyl, an amino, a halogen, an alkyl of 1 to 10 carbon atoms, an alkoxy of 1 to 10 carbon atoms, an alkylthio of 1 to 10 carbon atoms, an aryloxy of 6 to 10 carbon atoms or a hydroxyl-substituted aryloxy of 6 to 10 carbon atoms, Y.sub.1 and Y.sub.2 are each an alkyl of 1 to 8 carbon atoms, an alkoxy of 1 to 8 carbon atoms or an aryl group, Z is an oxygen or sulfur atom, n and p are each an integer of 0 to 4 and q is an integer of 0 or 1.
- 2. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR33##
- 3. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR34##
- 4. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR35##
- 5. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR36##
- 6. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR37##
- 7. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR38##
- 8. The composition according to claim 1, wherein the phosphorus-containing compound is a compound of the formula: ##STR39##
- 9. The composition according to claim 1, wherein the polyphenylene ether is a compound of the generic formula: ##STR40##
- 10. The composition according to claim 1, wherein the styrene type polymer is polystyrene reinforced with a conjugated diene rubber.
- 11. A flame-retardant polyphenylene ether resin composition comprising (A) 80 to 98% by weight of a resin component and (B) 2 to 20% by weight of at least one compound selected from the group consisting of phosphorus-containing compounds of the generic formula (B): ##STR41## where X is a hydrogen atom, a hydroxyl, an amino, a halogen, an alkyl of 1 to 10 carbon atoms, an alkoxy of 1 to 10 carbon atoms, an alkylthio of 1 to 10 carbon atoms, an aryloxy of 6 to 10 carbon atoms or a hydroxyl-substituted aryloxy of 6 to 10 carbon atoms, Y.sub.1 and Y.sub.2 are each an alkyl of 1 to 8 carbon atoms, an alkoxy of 1 to 8 carbon atoms or aryl group, Z is an oxygen or sulfur atom, n and p are each an integer of the value of from 0 to 4 and q is an integer of the value of 0 or 1, said resin component comprising (1) a styrene type compound grafted polyphenylene ether copolymer and (2) a styrene type polymer and containing 20 to 80% by weight, based on the resin component, of a polyphenylene ether of the generic formula (A): ##STR42## where R.sub.1 and R.sub.2 are each an alkyl of 1 to 4 carbon atoms and m is the degree of polymerization, said styrene type compound grafted polyphenylene ether copolymer having 20 to 200 parts by weight of a styrene type compound grafted onto 100 parts by weight of said polyphenylene ether.
- 12. The composition according to claim 11, wherein the phosphorus-containing compound is a compound of the formula: ##STR43##
- 13. The composition according to claim 11, wherein the phosphorus-containing compound is a compound of the formula: ##STR44##
- 14. The composition according to claim 11, wherein the phosphorus-containing compound is a compound of the formula: ##STR45##
- 15. The composition according to claim 11, wherein the phosphorus-containing compound is a compound of the formula: ##STR46##
- 16. The composition according to claim 11, wherein the polyphenylene ether is a compound of the generic formula: ##STR47##
- 17. The composition according to claim 11, wherein the styrene type polymer is a polystyrene reinforced with a conjugated rubber.
Priority Claims (1)
Number |
Date |
Country |
Kind |
51-118482 |
Oct 1976 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 837,629 filed Sept. 27, 1977, now U.S. Pat. No. 4,198,492.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
837629 |
Sep 1977 |
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