CN1159373C - Expanding fire retardant composition without halide for polyolefine - Google Patents
Expanding fire retardant composition without halide for polyolefine Download PDFInfo
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- CN1159373C CN1159373C CNB011285753A CN01128575A CN1159373C CN 1159373 C CN1159373 C CN 1159373C CN B011285753 A CNB011285753 A CN B011285753A CN 01128575 A CN01128575 A CN 01128575A CN 1159373 C CN1159373 C CN 1159373C
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- melamine polyphosphate
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 40
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 title claims description 26
- 150000004820 halides Chemical class 0.000 title claims description 11
- 229920000388 Polyphosphate Polymers 0.000 claims abstract description 21
- 239000001205 polyphosphate Substances 0.000 claims abstract description 21
- 235000011176 polyphosphates Nutrition 0.000 claims abstract description 21
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 19
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 17
- OHRVBDRGLIWLPA-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] dihydrogen phosphate Chemical compound OCC(CO)(CO)COP(O)(O)=O OHRVBDRGLIWLPA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008117 stearic acid Substances 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 6
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 5
- 229940059574 pentaerithrityl Drugs 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229910001392 phosphorus oxide Inorganic materials 0.000 claims description 3
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims description 2
- -1 polypropylene Polymers 0.000 abstract description 35
- 239000004743 Polypropylene Substances 0.000 abstract description 16
- 229920001155 polypropylene Polymers 0.000 abstract description 16
- 239000004698 Polyethylene Substances 0.000 abstract description 12
- 229920000573 polyethylene Polymers 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 14
- 239000004114 Ammonium polyphosphate Substances 0.000 description 6
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 6
- 229920001276 ammonium polyphosphate Polymers 0.000 description 6
- GTACSIONMHMRPD-UHFFFAOYSA-N 2-[4-[2-(benzenesulfonamido)ethylsulfanyl]-2,6-difluorophenoxy]acetamide Chemical compound C1=C(F)C(OCC(=O)N)=C(F)C=C1SCCNS(=O)(=O)C1=CC=CC=C1 GTACSIONMHMRPD-UHFFFAOYSA-N 0.000 description 5
- 101710130081 Aspergillopepsin-1 Proteins 0.000 description 5
- 102100031007 Cytosolic non-specific dipeptidase Human genes 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- IRJKYRVAIVZNCQ-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OCC(CO)(CO)COP(O)(O)=O IRJKYRVAIVZNCQ-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 3
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 150000000182 1,3,5-triazines Chemical class 0.000 description 1
- WMEZQSMQWRQKOE-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol phosphoric acid 1,3,5-triazine-2,4,6-triamine Chemical compound OCC(CO)(CO)CO.P(=O)(O)(O)O.N1=C(N)N=C(N)N=C1N WMEZQSMQWRQKOE-UHFFFAOYSA-N 0.000 description 1
- PTJWCLYPVFJWMP-UHFFFAOYSA-N 2-[[3-hydroxy-2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)COCC(CO)(CO)CO PTJWCLYPVFJWMP-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000001499 aryl bromides Chemical class 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a composite used as an expansion type halogen-free fire retardant for polyalkenes, which comprises 18 to 54 wt% of pentaerythritol phosphate, 40 to 80 wt% of melamine polyphosphate, 0.1 to 5 wt% of stearic acid or zinc stearate, 0.1 to 5 wt% of a coupling agent and 0.1 to 5 wt% of a filler. The composite is used for increasing the fire retardance of a polypropylene powder material or a granular material, and added with 28 wt% of the composite, the material has the fire retardance level which reaches the standard of UL94V-0 and satisfies the processing requirements of fire-retardant polypropylene; when the composite is used for increasing the fire retardance of polyethylene and 30 wt% of the composite is added to polyethylene, the composite has the fire retardance level which reaches the standard of UL94V-0 and satisfies the processing requirements of polyethylene.
Description
(1) technical field
The present invention relates to a kind of expanding fire retardant composition without halide for polyolefine.
(2) background technology
Halogen system (emphasis is a bromine system) fire retardant is the present polyolefine organic fire-retardant of output maximum in the world, and, flame retardant effect few with its addition significantly occupies dominant position in flame retardant area.Halogen is that flame-retardant system mainly is to bring into play fire retardation by degraded generation hydrogen halide or metal halide, and these compounds have also increased growing amount poisonous in the fire, covering property gas simultaneously.In addition, there is data to show, produces highly toxic bromo two benzene and oxane and bromo diphenylene-oxide during some aryl bromide fire retardant (as decabromodiphynly oxide) burnings.Therefore, people take scrupulous attitude day by day to the use of halogenated flame retardant, some the country in addition formulated relevant laws and regulations and limited its use.
Be that the expansion type flame retardant (IFR) of main ignition-proof element is most important a kind of with nitrogen-phosphorus in the halogen-free flame retardants.It is subjected to people's attention than Shaozheng relatively gradually with good flame retardation effect, low cigarette, nontoxic, addition, especially has the advantage incomparable with other fire retardant on a molten drop difficult problem that solves fire-retardantization of polyolefine, is one of desirable surrogate of halogenated flame retardant.
In the prior art, to have introduced a kind of tetra-sodium, tetramethylolmethane, trimeric cyanamide selected for use be the halogen-free expandable system polypropylene flame redardant that main ingredient is formed to " fire retardant material and technology " 1992 (4): 11; " fire retardant material and technology " 1992 (4): 15 introduced a kind of employing phosphorus-polyvalent alcohol-Cresol Formaldehyde Resin processing polyethylene and obtained good flame-retardant effect; " fire retardant material and technology " 1998 (4): 1 introduced use phosphoric acid pentaerythritol ester melamine salt and has been used for polypropylene flame redardant, and uses macro molecular triazine derivative and ammonium polyphosphate (APP) in conjunction with being used for polypropylene flame redardant; " fire retardant material and technology " 1999 (1): 7 introduced with behind tetramethylolmethane and the phosphorus oxychloride reaction, forms bis phosphoric acid tetramethylolmethane melamine salt with the melamine effect again and is used for fire retardant polyolefin, can reach the UL94V-0 level, and the molten drop phenomenon does not take place; US3936416 has introduced and has selected ammonium polyphosphate (APP) and Dipentaerythritol or melamine pyrophosphate (MP) and Dipentaerythritol for use, or the reaction product of phosphoric acid, Dipentaerythritol, urea, trimeric cyanamide, or one of phosphoric acid, five phosphorus oxide and tetramethylolmethane, Dipentaerythritol, tripentaerythritol are formed the expanding halide-free fire-retardant polypropylene flame redardant with the reaction product of trimeric cyanamide; US4966931 has introduced and has selected ammonium polyphosphate for use or form expanding halide-free fire-retardant polypropylene flame redardant or polyethylene with cyanurotriamide modified ammonium polyphosphate, 1,3,5-triazines derivative.
(3) summary of the invention
The objective of the invention is to, inventing a kind of is the halogen-free expansion fire retardant of main ignition-proof element with nitrogen-phosphorus, and it is fire-retardant to be used for polyolefine (mainly being polypropylene and polyethylene), and flame retardant rating reaches UL94V-0; When next was that flame retardant rating reaches UL94V-0, the fire retardant consumption was less than 30wt%.
Expanding fire retardant composition without halide for polyolefine is by pentaerythritol phosphate, melamine polyphosphate, lubricant, coupling agent, filler is composite forms.Wherein:
(1) used pentaerythritol phosphate is one of tetramethylolmethane and phosphorus oxychloride, five phosphorus oxide, phosphoric acid three's a reaction product, and product has following structure:
R=H wherein, chemical name is 1-oxo-4-methylol-1-phospha-2,6,7-trioxa-l-phosphabicyclo [2,2,2] octane (being called for short PEPA).The consumption of pentaerythritol phosphate is 18wt%～54wt% in the composition, and optimum amount is 28wt%～48wt%;
(2) used melamine polyphosphate has the following formula structure in the composition:
In the formula: MEL is a trimeric cyanamide; When n=0, compound is a melamine pyrophosphate, is called for short MYP; When n=1～9, compound is a Melamine Polyphosphate, all is called for short MPP.MYP, MPP or both mixtures all can be used for preferentially using MPP in the present composition.The consumption of Melamine Polyphosphate is generally 40wt%～80wt% in the composition, and optimum amount is 50wt%～70wt%;
(3) lubricant adopts stearic acid or Zinic stearas or calcium stearate.The consumption of lubricant is 0.1wt%～5wt% in the composition, and optimum amount is 0.5wt%～3wt%;
(4) coupling agent adopts γ-glycidyl ether oxygen propyl trimethoxy silicane or γ～aminopropyl triethoxysilane.The consumption of coupling agent is 0.1wt%～5wt% in the composition, and optimum amount is 0.5wt%～3%wt;
(5) filler adopts titanium dioxide or silicon-dioxide.The consumption of filler is 0.1wt%～5wt% in the composition, and optimum amount is 0.5wt%～3wt%.
And adopt following method to be prepared from:
At first pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler are dried, make water-content≤0.2wt%, pulverize then, make its particle diameter≤35 μ m;
Secondly, pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler are put into mixed 10～20 minutes in the high speed mixer in proportion, can obtain expanding fire retardant composition without halide for polyolefine.
The effect of product of the present invention in polyolefine is as follows:
Polypropylene or polyethylene and product of the present invention are put in the high speed mixer, added the white oil of 0.3wt% and stearic acid or the Zinic stearas of 0.5wt% simultaneously, thorough mixing 10～20 minutes.Granulation in twin screw extruder machine then, extrusion preferably are provided with vacuum exhaust, make moulded product with injection moulding machine then.
When product of the present invention was used for polypropylene flame redardant powder or pellet, addition 28wt%, flame retardant rating reached UL94V-0 (1.6mm, down together), and can satisfy the polypropylene flame redardant processing request.Compare with bromine system that the halogen-free polypropylene flame redardant smoke density is low, the amount of being fuming is few, mass loss rate is little, remaining quality is big.
When product of the present invention was used for flame-proof polyethylene, addition was 30wt%, and flame retardant rating reaches UL94V-0, and can satisfy the flame-proof polyethylene processing request.
(4) embodiment:
Pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler are dried, make water-content≤0.2wt%, pulverize then, make its particle diameter≤35 μ m;
Secondly, according to the form below composition proportioning is put into pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler and is mixed 10～20 minutes in the high speed mixer, can obtain expanding fire retardant composition without halide for polyolefine.
The composition proportioning such as the following table of expanding fire retardant composition without halide for polyolefine:
| Embodiment | Pentaerythritol phosphate | Melamine Polyphosphate | Lubricant | Coupling agent | Filler | ||
| PEPA wt％ | MPP wt％ | C 18 wt％ | C 18Zn wt％ | KH-550 wt％ | KH-560 wt％ | TiO 2 wt％ | |
| 1 | 20 | 79.7 | 0.1 | 0.1 | 0.1 | ||
| 2 | 20 | 79.7 | 0.1 | 0.1 | 0.1 | ||
| Embodiment | Pentaerythritol phosphate | Melamine Polyphosphate | Lubricant | Coupling agent | Filler | ||
| PEPA wt％ | MPP wt％ | C 18 wt％ | C 18Zn wt％ | KH-550 wt％ | KH-560 wt％ | TiO 2 wt％ | |
| 4 | 20 | 79.7 | 0.1 | 0.1 | 0.1 | ||
| 5 | 20 | 77 | 1 | 1 | 1 | ||
| 6 | 20 | 77 | 1 | 1 | 1 | ||
| 7 | 20 | 77 | 1 | 1 | 1 | ||
| 8 | 20 | 77 | 1 | 1 | 1 | ||
| 9 | 20 | 65 | 5 | 5 | 5 | ||
| 10 | 20 | 65 | 5 | 5 | 5 | ||
| 11 | 20 | 65 | 5 | 5 | 5 | ||
| 12 | 20 | 65 | 5 | 5 | 5 | ||
| 13 | 35 | 58.9 | 0.1 | 1 | 5 | ||
| 14 | 35 | 58.9 | 0.1 | 1 | 5 | ||
| 15 | 35 | 58.9 | 0.1 | 1 | 5 | ||
| 16 | 35 | 58.9 | 0.1 | 1 | 5 | ||
| 17 | 35 | 58.9 | 1 | 5 | 0.1 | ||
| 18 | 35 | 58.9 | 1 | 5 | 0.1 | ||
| 19 | 35 | 58.9 | 1 | 5 | 0.1 | ||
| 20 | 35 | 58.9 | 1 | 5 | 0.1 | ||
| 21 | 35 | 58.9 | 5 | 0.1 | 1 | ||
| 22 | 35 | 58.9 | 5 | 0.1 | 1 | ||
| 23 | 35 | 58.9 | 5 | 0.1 | 1 | ||
| 24 | 35 | 58.9 | 5 | 0.1 | 1 | ||
| 25 | 53.9 | 40 | 0.1 | 5 | 1 | ||
| 26 | 53.9 | 40 | 0.1 | 5 | 1 | ||
| 27 | 53.9 | 40 | 0.1 | 5 | 1 | ||
| 28 | 53.9 | 40 | 0.1 | 5 | 1 | ||
| 29 | 53.9 | 40 | 1 | 0.1 | 5 | ||
| 30 | 53.9 | 40 | 1 | 0.1 | 5 | ||
| 31 | 53.9 | 40 | 1 | 0.1 | 5 | ||
| 32 | 53.9 | 40 | 1 | 0.1 | 5 | ||
| 33 | 53.9 | 40 | 5 | 1 | 0.1 | ||
| Embodiment | Pentaerythritol phosphate | Melamine Polyphosphate | Lubricant | Coupling agent | Filler | ||
| PEPA wt％ | MPP wt％ | C 18 wt％ | C 18Zn wt％ | KH-550 wt％ | KH-560 wt％ | TiO 2 wt％ | |
| 34 | 53.9 | 40 | 5 | 1 | 0.1 | ||
| 35 | 53.9 | 40 | 5 | 1 | 0.1 | ||
| 36 | 53.9 | 40 | 5 | 1 | 0.1 | ||
PEPA is 1-oxo-4-methylol-1-phospha-2,6 in the table, 7-trioxa-l-phosphabicyclo [2,2,2] octane; MPP is a Melamine Polyphosphate; C
18Be stearic acid; C
18Zn is a Zinic stearas; KH-550 is a kind of product grade of γ-An Bingjisanyiyangjiguiwan; KH-560 is a kind of product grade of γ-glycidyl ether oxygen propyl trimethoxy silicane; TiO
2Be titanium dioxide.
Polypropylene or polyethylene are put in the high speed mixer respectively with according to the composite halogen-free flame retardants that forms of the proportioning of embodiment 1～embodiment 36, added the white oil of 0.3wt% and stearic acid or the Zinic stearas of 0.5wt% simultaneously, thorough mixing 10～20 minutes.Granulation in twin screw extruder machine then, extrusion is provided with vacuum exhaust, makes moulded product with injection moulding machine then.
When product of the present invention was used for polypropylene flame redardant powder or pellet, addition 28wt%, flame retardant rating reached UL94V-0 (1.6mm, down together), and can satisfy the polypropylene flame redardant processing request.Compare with bromine system that the halogen-free polypropylene flame redardant smoke density is low, the amount of being fuming is few, mass loss rate is little, remaining quality is big.
When product of the present invention was used for flame-proof polyethylene, addition was 30wt%, and flame retardant rating reaches UL94V-0, and can satisfy the flame-proof polyethylene processing request.
Claims (3)
1, expanding fire retardant composition without halide for polyolefine, by pentaerythritol phosphate, melamine polyphosphate, lubricant, coupling agent, filler is composite forms, wherein:
(1) pentaerythritol phosphate is one of tetramethylolmethane and phosphorus oxychloride, five phosphorus oxide, phosphoric acid three's a reaction product, and product has following structure:
Wherein the consumption of pentaerythritol phosphate is 18wt%～54wt% in the R=H composition
(2) melamine polyphosphate has the following formula structure:
In the formula: MEL is a trimeric cyanamide, n=0～9; The consumption of melamine polyphosphate is 40wt%～80wt% in the composition;
(3) lubricant adopts stearic acid or Zinic stearas or calcium stearate; The consumption of lubricant is generally 0.1wt%～5wt% in the composition;
(4) coupling agent adopts γ-glycidyl ether oxygen propyl trimethoxy silicane or γ-An Bingjisanyiyangjiguiwan; The consumption of coupling agent is 0.1wt%～5wt% in the composition;
(5) filler adopts titanium dioxide or silicon-dioxide; The consumption of filler is 0.1wt%～5wt% in the composition;
And adopt following method to be prepared from:
At first pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler are dried, make water-content≤0.2wt%, pulverize then, make its particle diameter≤35 μ m;
Secondly, pentaerythritol phosphate, Melamine Polyphosphate, lubricant, coupling agent, filler are put into mixed 10～20 minutes in the high speed mixer in proportion, can obtain expanding fire retardant composition without halide for polyolefine.
2, expanding fire retardant composition without halide for polyolefine according to claim 1, the consumption that it is characterized in that pentaerythritol phosphate is 28wt%～48wt%; The consumption of melamine polyphosphate is 50wt%～70wt%; The consumption of lubricant is 0.5wt%～3wt%; The consumption of coupling agent is 0.5wt%～3wt%; The consumption of filler is 0.5%wt～3wt%.
3, expanding fire retardant composition without halide for polyolefine according to claim 1 and 2 is characterized in that melamine polyphosphate selects the Melamine Polyphosphate of n=2～9 for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011285753A CN1159373C (en) | 2001-08-28 | 2001-08-28 | Expanding fire retardant composition without halide for polyolefine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011285753A CN1159373C (en) | 2001-08-28 | 2001-08-28 | Expanding fire retardant composition without halide for polyolefine |
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| Publication Number | Publication Date |
|---|---|
| CN1335332A CN1335332A (en) | 2002-02-13 |
| CN1159373C true CN1159373C (en) | 2004-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011285753A Expired - Fee Related CN1159373C (en) | 2001-08-28 | 2001-08-28 | Expanding fire retardant composition without halide for polyolefine |
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| Country | Link |
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| CN (1) | CN1159373C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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2001
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|---|---|---|---|---|
| CN1321149C (en) * | 2004-12-09 | 2007-06-13 | 中山大学 | Crease-proof fire-proof heat-conductive and electrically insulating plastic composition and its prepn |
| CN107573952A (en) * | 2017-09-14 | 2018-01-12 | 绵竹耀隆化工有限公司 | A kind of basic zirconium phosphate fire retardant combination and preparation method thereof |
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| CN1335332A (en) | 2002-02-13 |
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