Claims
- 1. A compound of the formula (I): ##STR20## wherein R.sub.1 and R.sub.2, which may be identical or different, represent the groups of the formula (II): ##STR21## wherein m is an integer of 1 to 5.
- 2. A polymeric material improved in flame-retardancy, comprising:
- (a) at least one inflammable polymer selected from the group consisting of polystyrene, acrylonitrile-styrene resin, acrylonitrile-butadiene-styrene resin, polyphenylene oxide, polyester, polyamide, polyethylene, polypropylene, polybutadiene, polyacrylate and polycarbonate; and
- (b) at least one compound of the formula (I): ##STR22## wherein R.sub.1 and R.sub.2, which may be identical or different, represent the groups of the formula (II): ##STR23## wherein m is an integer of 1 to 5.
- 3. A polymeric material according to claim 2, comprising 100 parts by weight of the inflammable polymer (a), 5 to 40 parts by weight of the compound (b) and 0 to 15 parts by weight of antimony trioxide.
- 4. A polymeric material according to claim 3, wherein the inflammable polymer (a) is polystyrene.
- 5. A polymeric material according to claim 3, wherein the inflammable polymer (a) is polyphenyleneoxide.
- 6. A polymeric material according to claim 3, wherein the inflammable polymer (a) is polyester.
- 7. A polymeric material according to claim 3, wherein the inflammable polymer (a) is polyamide.
- 8. A polymeric material according to claim 3, wherein the inflammable polymer (a) is polycarbonate.
- 9. A compound according to claim 1 where m is 2 and the bromine atoms of R.sub.1 and R.sub.2 are in the 3 and 5 positions.
- 10. A polymeric material according to claim 2 where m is 2, and the bromine atoms of R.sub.1 and R.sub.2 are in the 3 and 5 positions.
- 11. A polymeric material according to claim 3 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 12. A polymeric material according to claim 4 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 13. A polymeric material according to claim 5 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 14. A polymeric material according to claim 6 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 15. A polymeric material according to claim 7 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 16. A polymeric material according to claim 8 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
- 17. A polymeric material according to claim 10 comprising 100 parts by weight of the inflammable polymer (a), 10 to 30 parts by weight of the compound (b) and 2 to 10 parts by weight of antimony trioxide.
Parent Case Info
This is a continuation of application Ser. No. 292,536, filed Aug. 13, 1981, now abandoned, which is a continuation-in-part of Ser. No. 214,791, filed Dec. 9, 1980, now abandoned, which is a division of application Ser. No. 83,957, filed Oct. 11, 1979, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (3)
Number |
Date |
Country |
1008858 |
Nov 1965 |
GBX |
1281937 |
Jul 1972 |
GBX |
1523337 |
Aug 1978 |
GBX |
Non-Patent Literature Citations (4)
Entry |
Godt et al.-Journal of Chemical and Engineering Data-vol. 2, No. 2 (1967) pp. 252-254. |
Green et al.-"Fire Retardants: Proceedings of 1974 Intn'l. Symposium on Flammability and Fire Retardants", May 1-2, 1974-(1975) pp. 68-74, Technomic Pub. Co., Westport, Conn. |
Lohouse et al: "Fire Retardants: Proceedings of 1974 Intn'l, Symposium on Flammability and Fire Retardants," May 1-2, 1974-(1975) pp. 78-85, Technomic Pub. Co., Westport, Conn. |
Schmidt, W. G.-Transactions J. Plastics Institute, vol. 33 (Dec. 1965), pp. 247-255. |
Divisions (1)
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Number |
Date |
Country |
Parent |
83957 |
Oct 1979 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
292536 |
Aug 1981 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
214791 |
Dec 1980 |
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