CN101735516A - Novel anti-flaming anti-static electricity polypropylene dedicated material and preparation method thereof - Google Patents
Novel anti-flaming anti-static electricity polypropylene dedicated material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a novel anti-flaming anti-static electricity polypropylene dedicated material and a preparation method thereof; the dedicated material is prepared by the following raw materials by mass percentage: 40-70 percent of polypropylene resin or polypropylene/ nylon alloy or polypropylene/nylon/PP-g-MAH, 20-40 percent of formulated fire retardant, 4-10 percent of electric-conduction fillers, and 6-15 percent of inorganic fillers; the formulated fire retardant is formulated by several kinds of compound A, compound B, ammonium polyphosphate, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide and tripolycyanamide, the compound A is bromocyclohexane or hexabromocyclododecane, the compound B is antimony trioxide or antimony pentoxide; the inorganic filler adopts montmorillonoid, hydrotalcite, talcum powder or attapulgite clay. The novel anti-flaming anti-static electricity polypropylene dedicated material prepared by the invention has good flame retardant property and good anti-static electricity performance, the mechanical intensity of the material is further improved after the alloy is prepared by adding the nylon, the used raw material has low cost and is environment-protection, and no melt body drops in the anti-flaming process.
Description
(1) technical field
It is flame-proof antistatic modified to the present invention relates to polymkeric substance, relates in particular to polypropylene modified material that a kind of flame retardant properties is good, antistatic property is excellent and preparation method thereof.
(2) background technology
Polypropylene (PP) is one of maximum resin of global output, have that production cost is low, comprehensive mechanical property good, plurality of advantages such as nontoxic, light weight, corrosion-resistant, good electrical property, easily processing, easily recovery, product high comprehensive performance, be widely used in every profession and trade, as weaving, packing, household electrical appliances, electromechanics, traffic, building etc., it can make different products, as establishment product, plastics film, tubing, fiber, injection-molded item etc.Along with the continuous development of PP polymerization technique, the mechanical property of PP material and smoothness etc. have all obtained bigger raising, but because PP belongs to inflammable material, its oxygen index has only 17.4～18.5, produce a large amount of molten drops during burning, very easily propagating flame makes its application obtain restriction.For reaching good flame retardant effect, often be at present to adopt that different fire retardants is composite produces fire-retardant PP.The polypropylene fire retardant agent mainly can be divided into halogenated flame retardant and halogen-free flame retardants, and halogenated flame retardant commonly used has decabromodiphynly oxide, eight bromo ether, tetrabromo-bisphenol etc., wherein decabromodiphynly oxide consumption maximum.Be characterized in that addition is few, flame retardant effect is remarkable; Advantages such as halogen-free flame retardants has safety, presses down cigarette, nontoxic, inexpensive mainly contain hydrate, phosphorus system, silicon system and the expansion flame retardant and the nano-meter flame retardants etc. of metal oxide.It is 1: 1 Mg (OH) that Gibert utilizes mass ratio
2With bromo trimethylphenyl hydrogenation indenes/Sb
2O
3The strong exothermic phenomenon that the filling-modified PP/PE multipolymer of blend, Br/Sb flame retardant can suppress sample after lighting, Mg (OH)
2With the Br/Sb flame retardant and with making the fire-retardant behavior of Br/Sb flame retardant move, improved the thermostability and the flame retardant properties of PP/PE multipolymer to high temperature.Yu Li etc. have studied decabromodiphynly oxide and and Sb thereof
2O
3, red phosphorus is used and influence mechanical property fire-retardant to PP/ (ethylene/propylene/diene) multipolymer (EPDM) blend; Decabromodiphynly oxide has fire retardation to the PP/EPDM blend, but DeGrain; And decabromodiphynly oxide and Sb
2O
3Or red phosphorus is in the PP/EPDM blend and with there being the cooperative flame retardant effect, wherein decabromodiphynly oxide and red phosphorus and use than with Sb
2O
3And use good flame retardation effect.Qu Minjie etc. will study Al (OH)
3, Mg (OH)
2Add in certain proportion, improved the flame retardant properties of PP, make the oxygen index of PP reach 26.9, and smoke suppressing effect is remarkable.Wheat may become etc. to have prepared functionalized PP, the acrylic acid modified Mg of reactive monomer (OH)
2Fire-retardant PP material, Mg (OH)
2The raising of PP initial decomposition temperature, rate of decomposition reduction, thermostability are improved.Xiong Hui etc. have done a large amount of research to halogen-free expanded flame-retardant PP/PA6 alloy property aspect, and the result shows that ammonium polyphosphate is in the expanding fire retardant on basis, has the good flame effect under the synergy of interpolation trimeric cyanamide and tetramethylolmethane.People such as Gilman have studied the flame retardant properties of montmorillonite/polypropylene nanocomposites, when the montmorillonite addition is 2%～4%, the taper calorimeter records rate of heat release and has reduced by 70%～80%, the author thinks that the fire retardant mechanism of montmorillonite nano mixture is to condense the charcoal that coordinates, promptly when polymkeric substance is heated burning, montmorillonite is deposited on polymer surfaces, has played effect heat insulation, oxygen barrier.Liu Lijun etc. studies show that the Al (OH) after the nanotechnology treatments
3Specific surface area increases, and oil-absorption(number) reduces, good dispersity, and flame retardant effect obviously improves behind the filled polypropylene, and the mechanical property of material increases.In addition, talcum powder can improve the flame retardant properties of fire-retardant PP under the prerequisite that does not reduce mechanical property.Longevity vegetarians etc. have been cooked a few thing aspect the development of polypropylene dedicated material in fire-retardant, high strength colliery, the result of study proof is added the flame retardant properties that small amount of filler helps improving material.
Usually resistance value is 10
10Ω cm is above is called isolator, and resistance value is 10
4～10
9Be called semi-conductor or anti-electrostatic body in the Ω cm scope, resistance value is 10
4Ω cm is following is called electrical conductor, and resistance value is 10
0Ω cm is following even lower is called high conductor.The surface resistivity of PP is about 10
16, belong to insulating material, be easy to static electricity gathered.Because above two shortcomings, make the PP material when being applied to field such as household electrical appliance, electronic instrument, mine extraction tube, be subjected to restriction to a certain degree.Usually can make the rapid discharge of high polymer material can prevent that electrostatic from gathering by improving Polymer Surface specific conductivity or volume conductance.Mainly contain and add the conductive filler material method and add two kinds of static inhibitor methods, wherein adding conductive filler material mainly is that various inorganic conductive fillers are mixed in the macromolecular material matrix, employed inorganic conductive filler mainly is that carbon is filler, metal species filler etc. in this method at present, as draws together carbon black, graphite, carbon fiber, carbon pipe and metal-powder (Ag, Cu, Al, Ni etc.) steel fiber (copper fiber, aluminum fiber, alloy fiber), metal oxide (SnO, CuO, ZnO etc.); Static inhibitor comprises that mainly to draw together amine salt, quaternary ammonium salt, alkylaminoacid salts etc. cationic, alkylsulfonate, vitriol, phosphoric acid derivatives, higher fatty acid salt, carboxylate salt and polymerization type anion static inhibitor, macrogol ester or ethers, non-ionic antistatic agents such as polyhydric alcohol fatty acid ester, fatty acid alkyl amide, aliphatic amide oxyethyl group ether, also have amphoteric static inhibitor such as quaternary ammonium carboxylic acid inner salt, tetrahydroglyoxaline metal-salt in addition, in addition also have high molecular polymer synthetic consistency and have excellent antistatic properties, the transparency is permanent antistatic agent preferably also.Ding Yunsheng etc. study antistatic polyacrylic preparation, and have investigated the addition of static inhibitor, and the hybrid mode of static inhibitor and PP and the type of cooling have been inquired into the antistatic mechanism of static inhibitor in polymkeric substance to the influence of Anti-static PP surface resistivity; Bao Zhiyu etc. research anti-electrostatic fire retardant polypropylene is found out between the relation of the relation of relation, flame retardant agent content and tensile strength of static inhibitor content and polypropylene surface resistance and flame retardant properties and the fire retardant synergistic relation etc.
Bibliographical information anti-electrostatic fire retardant polypropylene material is also arranged at present, wherein the Bao Zhiyu of Harbin Institute of Technology etc. adopts the prescription of orthogonal design anti-flaming anti-static electricity polypropylene, fire retardant is the compound flame retardant that decabromodiphynly oxide and ANTIMONY TRIOXIDE SB 203 99.8 PCT are formed, static inhibitor is a dimethyl ethanol base stearylamide propyl ammonium nitrate, and the The performance test results of best proportioning products obtained therefrom is: OI:27.5%; Tensile strength: 34.7MPa; Volume specific resistance: 1.5 * 10
11Surface resistivity: 2.7 * 10
6In addition, adopt TDE and antimonous oxide composite among the patent CN 101220183A, and add 50 parts of talcum powder and 20 parts of graphitized carbon blacks prepare flame-proof electrostatic resistance polypropylene material, and this moment, prepared material reached fire-retardant V-0 level, and surface resistivity can reach 10
6As from the foregoing, prepared flame-proof electrostatic resistance polypropylene material is not that surface resistivity is too big, does not reach in the anti-electrostatic body scope, and the anti static additive content that is exactly required adding is too high, and flame retardant properties and antistatic property often can not have concurrently.
(3) summary of the invention
The primary technical problem that the present invention will solve provides a kind of polypropylene dedicated material that has flame retardant properties and antistatic property concurrently.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of anti-flaming anti-static electricity polypropylene dedicated material is characterized in that described PP Pipe Compound made by following quality proportion raw material:
Acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy 40～70%
Compound flame retardant 20～40%
Conductive filler material 4～10%
Mineral filler 6～15%
Compound flame retardant of the present invention is by any several composite the forming in compd A, compd B, ammonium polyphosphate, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide, the trimeric cyanamide, described compd A is bromocyclohexane or hexabromocyclododecane, and described compd B is ANTIMONY TRIOXIDE SB 203 99.8 PCT or antimony peroxide.
Mineral filler of the present invention is preferably from polynite, hydrotalcite, talcum powder or attapulgite.
Further, the preferred described PP Pipe Compound of the present invention is made up of following quality proportion raw material:
Acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy 50～60%
Compound flame retardant 25～35%
Conductive filler material 5～10%
Mineral filler 10～15%
The acrylic resin of indication of the present invention is the polymkeric substance of propylene, and any acrylic resin all is suitable for the present invention.
Polypropylene/nylon alloy of the present invention is made by acrylic resin and nylon resin blend, wherein the quality proportion optimization 10～8: 1 of acrylic resin and nylon resin.Described nylon resin is selected from nylon 6, nylon 66, nylon 1010 or nylon 1212.
Polypropylene/nylon of the present invention/PP-g-MAH alloy is made by acrylic resin, nylon resin and PP-g-MAH (modified by maleic acid anhydride graft polypropylene) blend, and wherein acrylic resin, nylon resin and PP-g-MAH three's quality proportion optimization is 10～8: 1: 1.5～0.5.Described nylon resin is selected from nylon 6, nylon 66, nylon 1010 or nylon 1212.
Compound flame retardant of the present invention preferably by compd A and compd B according to 3～1: 1 composite the forming of quality proportioning, perhaps preferred a kind of by in ammonium polyphosphate and compd A, compd B, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide, the trimeric cyanamide: 1 composite the forming of quality proportioning according to 4～1.Further preferred described compound flame retardant is 3: 1 a ammonium polyphosphate and tetramethylolmethane is composite forms by mass ratio.
The preferred carbon series conductive filler of conductive filler material of the present invention, as carbon black, graphite, carbon fiber, carbon pipe etc., preferred described conductive filler material is the graphitized carbon black of particle diameter less than 20 μ m.
Second technical problem that the present invention will solve provides a kind of preparation method of simple above-mentioned anti-flaming anti-static electricity polypropylene dedicated material, and the concrete technical scheme that adopts is as follows:
A kind of preparation method of anti-flaming anti-static electricity polypropylene dedicated material, carry out as follows: acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy, compound flame retardant, mineral filler are mixed by the quality proportioning, then gained mixture and conductive filler material section metering are added twin screw extruder, the barrel temperature of control twin screw extruder is 180～220 ℃, and mixture mixes in twin screw extruder extrudes also that pelletizing obtains described anti-flaming anti-static electricity polypropylene dedicated material.
The present invention adopts the high-efficiency environment friendly compound flame retardant, and vertical combustion reaches the V-0 level, has significantly improved the flame retardant properties of material; In addition, adopt graphitized carbon black as static inhibitor, its addition is few, and is effective, significantly reduced the surface resistivity of material.Compared with prior art, the anti-flaming anti-static electricity polypropylene dedicated material that the present invention makes has better flame retardant properties, excellent more antistatic property and prepares by adding nylon that the mechanical strength of material further improves behind the alloy, institute use cheap, the environmental protection of material cost and in fire-retardant process, do not produce characteristics such as melt drippage.In addition, the flame-retardant and anti-static performance of material meets or exceeds the standard of preparation colliery special plastic tubing materials.
(4) embodiment:
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
Use polypropylene or quality proportioning are polypropylene/nylon alloy of 9: 1 in the example, and the quality proportioning is polypropylene/nylon/PP-g-MAH alloy of 9: 1: 0.8.The polypropylene trade mark that uses in the example is T30S, and Sinopec Zhenghai refinery is produced; Nylon 6 trades mark are 1013B, and Co., Ltd. of Ube Industries Ltd. produces; Nylon 66 trades mark are 2750G, and China Shenma Group Co.,Ltd produces; The PP-g-MAH trade mark is HZPA102, and Sinopec Zhenghai refinery is produced; The graphitized carbon black trade mark is VXC605, and Shanghai Cabot chemical industry company limited produces.
Embodiment 1
By following mass percent with bromocyclohexane and the composite compound flame retardant of making of antimonous oxide (2: 1): 30%; Polypropylene: 54%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 4% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is greater than 10
12(ohms/sq), tensile strength 30.5MPa, shock strength 5.0Kj/m
2, bending strength 32.8MPa.
Embodiment 2
By following mass percent with ammonium polyphosphate and the composite compound flame retardant of making of trimeric cyanamide (3: 1): 30%; Polypropylene: 56%; Talcum powder: 6%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-2 level, and surface resistivity is less than 10
5(ohms/sq), tensile strength 26.3MPa, shock strength 5.5Kj/m
2, bending strength 36.1MPa.
Embodiment 3
By following mass percent with ammonium polyphosphate and the composite compound flame retardant of making of magnesium hydroxide (1: 1): 30%; Polypropylene: 47%; Talcum powder: 15%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is less than 10
5(ohms/sq), tensile strength 29.5MPa, shock strength 4.0Kj/m
2, bending strength 42.0MPa.
Embodiment 4
By following mass percent with hexabromocyclododecane and the composite compound flame retardant of making of antimonous oxide (2: 1): 20%; Polypropylene: 58%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 10% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-2 level, and surface resistivity is less than 10
3(ohms/sq), tensile strength 27.6MPa, shock strength 3.8Kj/m
2, bending strength 39.2MPa.
Embodiment 5
By following mass percent with bromocyclohexane and the composite compound flame retardant of making of antimonous oxide (3: 1): 30%; Polypropylene: 50%; Attapulgite: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section with mixture and 8% is metered into twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-2 level, and surface resistivity is less than 10
4(ohms/sq), tensile strength 32.3MPa, shock strength 5.0Kj/m
2, bending strength 42.5MPa.
Embodiment 6
By following mass percent with ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane (3: 1): 30%; Polypropylene: 50%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is less than 10
5(ohms/sq), tensile strength 30.7MPa, shock strength 4.7Kj/m
2, bending strength 32.5MPa.
Embodiment 7
By following mass percent with hexabromocyclododecane and the composite compound flame retardant of making of antimony peroxide (2: 1): 30%; Polypropylene: 50%; Polynite: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-1 level, and surface resistivity is less than 10
4(ohms/sq), tensile strength 30.2MPa, shock strength 4.5Kj/m
2, bending strength 32.8MPa.
Embodiment 8
By following mass percent with bromocyclohexane and the composite compound flame retardant of making of ammonium polyphosphate (1: 1): 30%; Polypropylene: 54%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 4% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 180 ℃, and 185 ℃, 190 ℃, 195 ℃, 200 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 180 ℃, and 190 ℃, 200 ℃, 210 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T 1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is greater than 10
11(ohms/sq), tensile strength 31.0MPa, shock strength 4.5Kj/m
2, bending strength 31.5MPa.
Embodiment 9
By following mass percent with bromocyclohexane and the composite compound flame retardant of making of antimonous oxide (2: 1): 30%; Polypropylene/nylon 6 alloy (9: 1): 50%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 195 ℃, and 200 ℃, 205 ℃, 210 ℃, 220 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 195 ℃, and 205 ℃, 215 ℃, 225 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is less than 10
5(ohms/sq), tensile strength 38.5MPa, shock strength 7.7Kj/m
2, bending strength 41.8MPa.
Embodiment 10
By following mass percent with ammonium polyphosphate and the composite compound flame retardant of making of aluminium hydroxide (1: 1): 30%; Polypropylene/nylon 66 alloys (9: 1): 50%; Attapulgite: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 195 ℃, and 200 ℃, 205 ℃, 210 ℃, 220 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 195 ℃, and 205 ℃, 215 ℃, 225 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-1 level, and surface resistivity is less than 10
4(ohms/sq), tensile strength 39.8MPa, shock strength 5.9Kj/m
2, bending strength 42.9MPa.
Embodiment 11
By following mass percent with ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane (3: 1): 30%; Polypropylene/nylon 6/PP-g-MAH alloy (9: 1: 0.8): 50%; Talcum powder: 12%; Mixed in high-speed mixer 3～5 minutes, the graphitized carbon black section metering with mixture and 8% adds twin screw extruder then, mixes extruding pelletization in twin screw extruder, and barrel temperature is 195 ℃, and 200 ℃, 205 ℃, 210 ℃, 220 ℃.The standard testing batten is made in injection moulding on injection moulding machine then, and injection temperature is 195 ℃, and 205 ℃, 215 ℃, 225 ℃.And measure the performance of material according to vertical combustion testing standard GB/T2048-1996, plastic tensile testing standard GB/T1040-1992, plastics crooked test standard GB/T 9341-2000 and plastic impact testing standard GB/T1843-1996, surface resistivity adopts U.S. ACL-800 surface resistivity instrument to measure.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches the V-0 level, and surface resistivity is less than 10
4(ohms/sq), tensile strength 41.5MPa, shock strength 11.7Kj/m
2, bending strength 43.6MPa.
Claims (10)
1. anti-flaming anti-static electricity polypropylene dedicated material is characterized in that described PP Pipe Compound made by following quality proportion raw material:
Acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy 40～70%
Compound flame retardant 20～40%
Conductive filler material 4～10%
Mineral filler 6～15%
Described compound flame retardant is by any several composite the forming in compd A, compd B, ammonium polyphosphate, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide, the trimeric cyanamide, described compd A is bromocyclohexane or hexabromocyclododecane, and described compd B is ANTIMONY TRIOXIDE SB 203 99.8 PCT or antimony peroxide;
Described mineral filler is selected from polynite, hydrotalcite, talcum powder or attapulgite.
2. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 is characterized in that described PP Pipe Compound is made up of following quality proportion raw material:
Acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy 50～60%
Compound flame retardant 25～35%
Conductive filler material 5～10%
Mineral filler 10～15%.
3. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that the quality proportioning of acrylic resin and nylon resin is 10～8: 1 in described polypropylene/nylon alloy.
4. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2, the quality proportioning that it is characterized in that acrylic resin, nylon resin and PP-g-MAH in described polypropylene/nylon/PP-g-MAH alloy is 10～8: 1: 1.5～0.5.
5. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that the nylon resin in described polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy is selected from nylon 6, nylon 66, nylon 1010 or nylon 1212.
6. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that described conductive filler material is the carbon series conductive filler.
7. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 6 is characterized in that described conductive filler material is the graphitized carbon black of particle diameter less than 20 μ m.
8. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2, it is characterized in that described compound flame retardant by compd A and compd B according to 3～1: 1 composite the forming of quality proportioning.
9. anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that a kind of according to 4～1 by in ammonium polyphosphate and compd A, compd B, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide, the trimeric cyanamide of described compound flame retardant: 1 composite the forming of quality proportioning.
10. method for preparing anti-flaming anti-static electricity polypropylene dedicated material as claimed in claim 1, it is characterized in that described method carries out as follows: by the quality proportioning with acrylic resin or polypropylene/nylon alloy or polypropylene/nylon/PP-g-MAH alloy, compound flame retardant, mineral filler mixes, then gained mixture and conductive filler material section metering are added twin screw extruder, the barrel temperature of control twin screw extruder is 180～220 ℃, and mixture mixes in twin screw extruder extrudes also that pelletizing obtains described anti-flaming anti-static electricity polypropylene dedicated material.
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| CN102093652A (en) * | 2010-12-27 | 2011-06-15 | 康泰塑胶科技集团有限公司 | Fire-retardant insulating polyvinyl chloride material and electrical sleeve |
| CN102295803A (en) * | 2010-06-22 | 2011-12-28 | 国家复合改性聚合物材料工程技术研究中心 | Formula and preparation method of antistatic composite material |
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| CN102093652A (en) * | 2010-12-27 | 2011-06-15 | 康泰塑胶科技集团有限公司 | Fire-retardant insulating polyvinyl chloride material and electrical sleeve |
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| CN103788637A (en) * | 2014-02-26 | 2014-05-14 | 程六秀 | Composite material and preparation method thereof |
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