Additives for flame-retardant polyolefins

Abstract

The present invention provides a flame retardant additive composition for improving the flame retardancy of plastics, a polyolefin containing the flame retardant additive composition, and a process for preparing them. [Solution] The present invention provides a flame retardant additive composition comprising at least one glow inhibitor and at least one brominated flame retardant. The glow inhibitor is present in an amount of about 0.5% by weight or more of the flame retardant additive composition based on the total weight of the flame retardant additive composition. The brominated flame retardant is selected from a) a brominated anionic styrene polymer containing aromatically linked bromine and having a number average molecular weight of about 750 to about 7500 and / or a bromine content of about 60% by weight to about 77% by weight, b) a brominated anionic chain-transfer vinyl aromatic polymer containing about 70% by weight or more bromine, or any mixture of two or more of these. Also provided is a flame retardant polyolefin composition containing at least one glow inhibitor and a brominated flame retardant.

Claims

1. A flame retardant additive composition, The grow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom, and at least one grow inhibitor; It comprises at least one brominated flame retardant, wherein the brominated flame retardant contains aromatically linked bromine, and a) Brominated anionic styrene polymer having a number average molecular weight of approximately 750 to approximately 7500 and / or a bromine content of approximately 60% to approximately 77% by weight, b) Brominated anionic chain-transfer vinyl aromatic polymer containing approximately 70% by weight or more of bromine, Or a mixture of any two or more of these; The flame retardant additive composition contains about 0.5% by weight or more of the glow inhibitor based on the total weight of the flame retardant additive composition.

2. The flame retardant additive composition according to claim 1, wherein the portion of the five-membered ring or six-membered ring containing at least one nitrogen atom of the glow inhibitor is an unsaturated ring portion.

3. The flame retardant additive composition according to claim 1, wherein the five-membered or six-membered ring portion of the glow inhibitor containing at least one nitrogen atom is selected from triazole, piperidine, piperazine, triazine, and morpholine.

4. Based on the total weight of the flame retardant additive composition, the glow inhibitor is present in an amount of about 1% by weight or more. A flame retardant additive composition containing any one of claims 1 to 3.

5. The flame retardant additive composition according to claim 1, comprising at least one inorganic compound.

6. The flame retardant additive composition according to claim 5, wherein the total amount of the inorganic compound is about 10% by weight or more based on the total weight of the flame retardant additive composition.

7. The flame retardant additive composition according to claim 5, wherein the inorganic compound comprises talc, antimony trioxide, zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

8. The flame retardant additive composition according to claim 5, wherein the inorganic compound comprises talc and antimony trioxide, and optionally comprises at least one inorganic compound selected from zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

9. The flame retardant additive composition according to any one of claims 1 to 6, wherein the glow inhibitor comprises melamine polyphosphate, and the composition comprises at least one inorganic compound, the inorganic compound being zinc borate and aluminum diethylphosphinate.

10. The flame retardant additive composition according to any one of claims 1 to 9, wherein the glow inhibitor comprises melamine polyphosphate.

11. The flame retardant additive composition according to any one of claims 1 to 10, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

12. The flame retardant additive composition according to any one of claims 1 to 10, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

13. A process for forming a flame retardant additive composition, wherein the process is carried out in such an amount that the flame retardant additive composition contains about 0.5% by weight or more of a glow inhibitor based on the total weight of the flame retardant additive composition. The grow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom, and at least one grow inhibitor; This includes combining with at least one brominated flame retardant, wherein the brominated flame retardant contains aromatically linked bromine, and a) Brominated anionic styrene polymer having a number average molecular weight of approximately 750 to approximately 7500 and / or a bromine content of approximately 60% to approximately 77% by weight, b) Brominated anionic chain-transfer vinyl aromatic polymer containing approximately 70% by weight or more of bromine, or selected from any two or more mixtures of these, A process for forming the aforementioned flame retardant additive composition.

14. The process according to claim 13, wherein the five-membered or six-membered ring portion of the glow inhibitor containing at least one nitrogen atom is an unsaturated ring portion.

15. The five-membered or six-membered ring portion of the aforementioned glow inhibitor containing at least one nitrogen atom is selected from triazole, piperidine, piperazine, triazine, and morpholine. The process according to claim 13.

16. The process according to any one of claims 13 to 15, wherein the glow inhibitor is in an amount of about 1% by weight or more based on the total weight of the flame retardant additive composition.

17. The process according to claim 13, comprising combining at least one inorganic compound.

18. The process according to claim 17, wherein the amount of the inorganic compound is such that the flame retardant additive composition contains about 10% by weight or more of the inorganic compound, based on the total weight of the flame retardant additive composition.

19. The process according to claim 17 or 18, wherein the inorganic compound comprises talc, antimony trioxide, zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

20. The process according to claim 17 or 18, wherein the inorganic compound comprises talc and antimony trioxide, and optionally comprises at least one inorganic compound selected from zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

21. The process according to any one of claims 13 to 20, wherein the growth inhibitor comprises polyphosphate melamine.

22. The process according to claim 17 or 18, wherein the glow inhibitor comprises melamine polyphosphate, and the process comprises combining at least one inorganic compound, wherein the inorganic compound is zinc borate and aluminum diethylphosphinate.

23. The process according to any one of claims 13 to 22, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

24. The process according to any one of claims 13 to 22, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

25. A flame-retardant polyolefin composition, i) at least one glow inhibitor, wherein the glow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom; ii) with at least one inorganic compound; iii) A flame retardant amount containing at least one brominated flame retardant; iv) Formed from at least one polyolefin, The brominated flame retardant contains aromatically linked bromine, and a) Brominated anionic styrene polymer having a number average molecular weight of approximately 750 to approximately 7500 and / or a bromine content of approximately 60% to approximately 77% by weight. b) Brominated anionic chain-transfer vinyl aromatic polymer containing approximately 70% by weight or more of bromine, Or a mixture of any two or more of these, The flame-retardant polyolefin composition contains about 0.25% by weight or more of the glow inhibitor based on the total weight of the flame-retardant polyolefin composition. The flame-retardant polyolefin composition contains about 5% by weight or more of an inorganic compound based on the total weight of the flame-retardant polyolefin composition.

26. The flame-retardant polyolefin composition according to claim 25, wherein the portion of the five-membered or six-membered ring containing at least one nitrogen atom of the glow inhibitor is an unsaturated ring portion.

27. The flame-retardant polyolefin composition according to claim 25, wherein the five-membered or six-membered ring portion of the glow inhibitor containing at least one nitrogen atom is selected from triazole, piperidine, piperazine, triazine, and morpholine.

28. The flame-retardant polyolefin composition according to any one of claims 25 to 27, comprising about 0.5% by weight or more of the glow inhibitor based on the total weight of the flame-retardant polyolefin composition.

29. The flame-retardant polyolefin composition according to claim 25, wherein the inorganic compound is present in an amount of about 8% by weight or more based on the total weight of the flame-retardant polyolefin composition.

30. The flame-retardant polyolefin composition according to any one of claims 25 to 29, wherein the inorganic compound comprises talc, antimony trioxide, zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

31. The flame-retardant polyolefin composition according to any one of claims 25 to 29, wherein the inorganic compound comprises talc and antimony trioxide, and optionally comprises at least one inorganic compound selected from zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

32. The flame retardant additive composition according to any one of claims 25 to 31, wherein the glow inhibitor comprises melamine polyphosphate.

33. The flame-retardant polyolefin composition according to any one of claims 25 to 29, wherein the glow inhibitor comprises melamine polyphosphate, and the composition comprises at least one inorganic compound, the inorganic compound being zinc borate and aluminum diethylphosphinate.

34. The flame-retardant polyolefin composition according to any one of claims 25 to 33, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

35. The flame-retardant polyolefin composition according to any one of claims 25 to 33, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

36. A process for forming a flame-retardant polyolefin composition, wherein the flame-retardant polyolefin composition contains about 0.25% by weight or more of a glow inhibitor based on the total weight of the flame-retardant polyolefin composition, and the flame-retardant polyolefin composition contains about 5% by weight or more of an inorganic compound based on the total weight of the flame-retardant polyolefin composition, wherein the process is performed in such an amount. i) at least one glow inhibitor, wherein the glow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom; ii) with at least one inorganic compound; iii) At least one brominated flame retardant in the amount of flame retardant, i) comprising combining with at least one polyolefin, The brominated flame retardant contains aromatic bromine, and a) Brominated anionic styrene polymer having a number average molecular weight of approximately 750 to approximately 7500 and / or a bromine content of approximately 60% to approximately 77% by weight. b) Brominated anionic chain-transfer vinyl aromatic polymer containing approximately 70% by weight or more of bromine, or selected from any two or more mixtures of these, A process for forming the aforementioned flame-retardant polyolefin composition.

37. The process according to claim 36, wherein the five-membered or six-membered ring portion of the glow inhibitor containing at least one nitrogen atom is an unsaturated ring portion.

38. The process according to claim 36, wherein the five-membered or six-membered ring portion of the growth inhibitor containing at least one nitrogen atom is selected from triazole, piperidine, piperazine, triazine, and morpholine.

39. The process according to any one of claims 36 to 38, comprising about 0.5% by weight or more of the glow inhibitor based on the total weight of the flame-retardant polyolefin composition.

40. The process according to claim 36, wherein the amount of the inorganic compound is such that the flame-retardant polyolefin composition contains about 8% by weight or more of the inorganic compound, based on the total weight of the flame-retardant polyolefin composition.

41. The process according to claims 36 to 40, wherein the inorganic compound comprises talc, antimony trioxide, zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

42. The process according to any one of claims 36 to 40, wherein the inorganic compound comprises talc and antimony trioxide, and optionally comprises at least one inorganic compound selected from zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

43. The process according to any one of claims 36 to 42, wherein the growth inhibitor comprises polyphosphate melamine.

44. The process according to any one of claims 36 to 39, wherein the glow inhibitor comprises melamine polyphosphate, and the inorganic compound is zinc borate and aluminum diethylphosphinate.

45. The process according to any one of claims 36 to 44, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

46. The process according to any one of claims 36 to 44, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

47. A flame-retardant polyolefin composition, the composition comprising at least one polyolefin and a flame retardant amount of a brominated flame retardant, wherein the brominated flame retardant contains aromatically linked bromine and is a brominated anionic styrene polymer having a number average molecular weight of about 750 to about 7500 and / or a bromine content of about 60% to about 77% by weight.

48. The flame retardant amount is about 5% by weight or more based on the total weight of the flame retardant polyolefin composition, according to claim 47.

49. A flame-retardant polyolefin composition according to claim 47 or 48, comprising at least one inorganic compound.

50. The flame-retardant polyolefin composition according to claim 49, wherein the inorganic compound comprises talc, antimony trioxide, zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

51. The flame-retardant polyolefin composition according to claim 49, wherein the inorganic compound is talc and antimony trioxide and at least one inorganic compound selected from zinc borate, aluminum phosphinate, aluminum diethylphosphinate, calcium phosphinate, and / or hydrotalcite.

52. The flame-retardant polyolefin composition according to any one of claims 47 to 51, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

53. The flame-retardant polyolefin composition according to any one of claims 47 to 51, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

54. It is a masterbatch, Polyolefins and; A brominated flame retardant is included, wherein the brominated flame retardant contains aromatically linked bromine, and a) Brominated anionic styrene polymer having a number average molecular weight of approximately 750 to approximately 7500 and / or a bromine content of approximately 60% to approximately 77% by weight. b) Brominated anionic chain-transfer vinyl aromatic polymer containing approximately 70% by weight or more of bromine, Or the masterbatch selected from any two or more mixtures thereof.

55. The masterbatch according to claim 54, comprising at least one glow inhibitor, wherein the glow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom.

56. The masterbatch according to claim 54, comprising at least one inorganic compound and at least one glow inhibitor, wherein the glow inhibitor is a compound comprising at least one five-membered or six-membered ring portion containing at least one nitrogen atom.

57. The masterbatch according to claim 55 or 56, wherein the five-membered or six-membered ring portion of the glow inhibitor containing at least one nitrogen atom is an unsaturated ring portion.

58. The masterbatch according to claim 55 or 56, wherein the five-membered or six-membered ring portion of the growth inhibitor containing at least one nitrogen atom is selected from triazole, piperidine, piperazine, triazine, and morpholine.

59. The masterbatch according to claim 54, comprising at least one inorganic compound.

60. The masterbatch according to claim 56 or 59, wherein the inorganic compound comprises antimony trioxide.

61. The masterbatch according to any one of claims 54 to 58, wherein the growth inhibitor comprises polyphosphate melamine.

62. The masterbatch according to claim 54, wherein the glow inhibitor comprises melamine polyphosphate, and the masterbatch comprises at least one inorganic compound, the inorganic compound being antimony trioxide.

63. The masterbatch according to any one of claims 54 to 62, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 1000 to about 4000 and / or a bromine content of about 70% to about 77% by weight.

64. The masterbatch according to any one of claims 54 to 62, wherein the brominated anionic styrene polymer is a brominated anionic polystyrene having a number average molecular weight of about 2000 to about 3500 and / or a bromine content of about 72% to about 76% by weight.

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