CN109679330A - A kind of fire prevention electric appliance polymer composite and preparation method thereof - Google Patents
A kind of fire prevention electric appliance polymer composite and preparation method thereof Download PDFInfo
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- CN109679330A CN109679330A CN201811617893.9A CN201811617893A CN109679330A CN 109679330 A CN109679330 A CN 109679330A CN 201811617893 A CN201811617893 A CN 201811617893A CN 109679330 A CN109679330 A CN 109679330A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
Abstract
The present invention relates to electrical appliance Material Fields, particularly with regard to a kind of fire prevention electric appliance polymer composite and preparation method thereof.According to mass ratio, by polyamide, glass microballoon, maleic anhydride grafted ethene -1- octene copolymer, coupling agent, 2,6- di-tert-butyl-4-methy phenol, three monooctyl ester of phosphorous acid, paraffin and the nano calcium hydroxide being modified by surface hydrophobicity and bittern-free phosphorous-nitrogen compound flame retardant are packed into extruder, it compounds and is passed through in injection mold with glass fibre after melting, a kind of fire prevention electric appliance polymer composite is obtained after injection molding.
Description
Technical field
The present invention relates to electrical appliance Material Fields, particularly with regard to a kind of fire prevention electric appliance polymer composite and its preparation
Method.
Background technique
Macromolecule has been obtained in each field and is widely applied, and most of electrical appliance interiors of products or shell are also all adopted
With polymer composite, since the weight and difficulty of processing of metal material are larger, polymer composite is good because of its
Plasticity and the easily modified advantage of multifunction are also widely used for for material requirements diversification, product lighting and interior
In the complicated electrical appliance equipment in portion.
Currently, plastic components of the China for electrical appliances such as household electrical appliances, mandatory requirement is not to use fire proofing, but reference is big
Most enterprises, developed country also actively use fire proofing in electrical appliance product of the failed call using fire proofing, to use up most
The big fire for making great efforts to evade possible initiation suffers from risk.According to statistics, the initiation of the most of fire in China is the reason is that since electrical appliance makes
With improper or electrical appliance quality dissatisfaction, air-conditioning, lamps and lanterns, heater has been strictly required in the electrical appliance related specifications that China is newly drafted
Casing plastic use fire-retardant or incombustible material.
CN107353552A discloses a kind of flame retardant distribution box sheathing material and preparation method thereof, is related to leading with electric material
Domain, flame retardant distribution box sheathing material include the raw material of following parts by weight: kaolin, ceramic fibre, ethyl orthosilicate, tripolyphosphate
Aluminium, diethylene glycol monobutyl ether, isobutanol, polycarbonate, glycerin monostearate, quartz sand, phenolic resin, borax, nano-sized carbon
SiClx, acrylic resin, aluminium oxide, PE wax, precipitated calcium carbonate, boron nitride, graphite powder, polyamide, fire retardant, coupling
Agent, toughener, antioxidant, heat stabilizer and light stabilizer；Preparation method the following steps are included: (1) weigh raw material, (2) ball milling,
(3) mixing, (4) stirring, cooling, extruding and injection molding.The present invention solves machine existing for existing distribution box sheathing material
The problem of tool performance difference and flame retardant wire difference.
A kind of fire-retardant power electric meter sheathing material of CN107418119A and preparation method thereof, is related to electric power Material Field, resistance
Combustion power electric meter sheathing material includes the raw material of following parts by weight: polyvinyl chloride, polyethylene, methyl methacrylate, glass fibers
Dimension, polycarbonate, polylactic acid, decabromodiphenylethane, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, amber
Sour sodium, talcum powder, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, isoprene rubber, phenolic resin,
Fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer and curing agent；Preparation method is the following steps are included: (1) weighs original
Material, (2) are centrifuged, melt, entering mould, sizing and cutting.
Currently, flame-retardant high-molecular composite material is using the ABS material or makrolon material of addition fire retardant mostly, this two
The shortcomings that kind of fire proofing, is thermal stability and easy to crack, and prepared electrical appliance product is often in transport or use process
It damages, with the increase for using the time, plastics are also easy to appear xanthochromia and the phenomenon that breach occur.
Summary of the invention
The object of the present invention is to provide a kind of flame retardant property is good, electrical appliance material not easy to crack is solved with this
Existing electrical appliance plastic fireproof performance is weak, the shortcomings that intolerant to using.
A kind of fire prevention electric appliance polymer composite and preparation method thereof, technology of preparing scheme is as follows:
According to mass fraction: by 70-80 parts of polyamide, 5-10 parts of glass microballoon, 20-30 parts of modified Nano hydrogen-oxygen
Change magnesium, 2-6 parts of phosphorus nitrogen compound flame retardant, 10-15 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.2-0.6 parts
Coupling agent propyl trimethoxy silicane, 0.4-0.8 parts of 2,6 di tert butyl 4 methyl phenol, 0.05-0.15 parts of ethylenediamine
Tetraacethyl disodium nickel, 0.04-0.12 parts of two quinoline carboxylic acid's disodium hydrates, 0.1-0.5 parts of three monooctyl ester of phosphorous acid and 0.5-
1.5 parts of solid paraffin is uniformly mixed, and double screw extruder is added by main spout, by 25-30 parts of glass fibre by glass
Mouth addition extruder, is passed through in injection mold after material is heated to melting, is formed at a temperature of 290-320 DEG C to get to originally
The invention fire prevention electric appliance polymer composite.
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 20-30 parts of nano-sized magnesium hydroxide in 60-80
In the water of part, after ultrasonic 30-60min, it is heated to 40-50 DEG C, turns the speed of minute or more in 1000-2000 with high-speed mixer
Lower stirring is slowly added to 0.4-0.8 parts isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters；After stirring 30-40min,
Modified nano-sized magnesium hydroxide after filtering, is put into baking oven and dried by static minute, and 80-90 DEG C of temperature setting, time 18-
24h；After having dried, grinding crosses 300-400 mesh, must refine modified Nano magnesium hydroxide.
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 20-25 parts of 2- acrylamide
Base-2- methyl-1-propane sulfonic acid and 250-300 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slow
20-25 parts of tetrakis hydroxymethyl phosphonium chlorination phosphorus solution for being dissolved with 0.2-0.5 parts of azodiisobutyronitriles is added, nitrogen is used after addition
System temperature is raised to 60-70 DEG C by gas shielded, reaction 30-40min it is subsequent it is continuous be warming up to 75-85 DEG C, react stop after 5-9h it is anti-
It answers, product is concentrated into 70-80 parts, precipitating in 250-350 parts of petroleum ether is then added to, there is acetone washing three after filtering
It is secondary, a kind of phosphorus nitrogen compound flame retardant is obtained after being then placed in vacuum oven drying.
The extruder controls screw zones temperature are as follows: 220 DEG C -230 DEG C of feeding section temperature is plasticized cut section temperature
230 DEG C -280 DEG C, 250 DEG C -280 DEG C of head temperature, control screw speed 250-400r/min.
The vacuum drying condition is dry 36-48h at 70-80 DEG C.
Present approach provides a kind of fire prevention electric appliance polymer composite and preparation method thereof, used phosphorus nitrogen
Compound flame retardant avoids the toxic gas discharged when pollution and burning of the halogen containing flame-retardant for environment, and used modification is received
Rice magnesium hydroxide has good hydrophobicity, is evenly distributed in polyamide base-material, in conjunction with glass fibre, so that described
Fire prevention electric appliance polymer composite mechanical property with higher, transport and use process in be not likely to produce cracking
Phenomenon.
Specific embodiment
The invention is described further below by specific embodiment:
Embodiment 1
A kind of fire prevention electric appliance polymer composite and preparation method thereof, technology of preparing scheme is as follows:
According to mass fraction: by 75 parts of polyamide, 8 parts of glass microballoon, 25 parts of modified Nano magnesium hydroxide, 4 parts
Phosphorus nitrogen compound flame retardant, 13 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.4 part of coupling agent propyl trimethoxy
Base silane, 0.6 part of 2,6 di tert butyl 4 methyl phenol, 0.1 part of disodium ethylene diamine tetraacetate nickel, 0.08 part of two quinolines
The solid paraffin of dicarboxylic acid moiety disodium hydrate, 0.3 part of three monooctyl ester of phosphorous acid and 1.0 mass parts is uniformly mixed, by main spout
Double screw extruder is added, extruder is added by glass fiber opening in 27.5 parts of glass fibre, is passed through after material is heated to melting
In injection mold, form at a temperature of 305 DEG C to get to fire prevention electric appliance polymer composite of the present invention.
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 25 parts of nano-sized magnesium hydroxide at 70 parts
Water in, after ultrasonic 40min, be heated to 45 DEG C, stirred under 1500 turns of speed more than minute with high-speed mixer, slowly plus
Enter 0.6 part isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters；After stirring 35min, static minute after filtering, will change
Property after nano-sized magnesium hydroxide be put into baking oven drying, 85 DEG C of temperature setting, time 21h；After having dried, 300 meshes are crossed in grinding,
Modified Nano magnesium hydroxide must be refined.
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 23 parts of 2- acrylamido -2-
Methyl-1-propane sulfonic acid and 270 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slowly added to dissolve
There is 23 parts of the tetrakis hydroxymethyl phosphonium chlorination phosphorus solution of 0.3 part of azodiisobutyronitrile, nitrogen protection is used after addition, by system temperature
Degree is raised to 65 DEG C, reaction 35min it is subsequent it is continuous be warming up to 80 DEG C, stop reaction after reacting 7h, product be concentrated into 75 parts, then
It is added to precipitating in 300 parts of petroleum ether, has acetone washing to be then placed in vacuum oven three times after filtering, is done at 75 DEG C
A kind of phosphorus nitrogen compound flame retardant is obtained after dry 42h.
The extruder controls screw zones temperature are as follows: 225 DEG C of feeding section temperature is plasticized 250 DEG C of cut section temperature, machine
260 DEG C of temperature of head controls screw speed 300r/min.
Through examining, the limit oxygen index of gained sample is 35.5%, tensile strength 86.04MPa.
Embodiment 2
A kind of fire prevention electric appliance polymer composite and preparation method thereof, technology of preparing scheme is as follows:
According to mass fraction: by 70 parts of polyamide, 5 parts of glass microballoon, 20 parts of modified Nano magnesium hydroxide, 2 parts
Phosphorus nitrogen compound flame retardant, 10 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.2 part of coupling agent propyl trimethoxy
Base silane, 0.4 part of 2,6 di tert butyl 4 methyl phenol, 0.05 part of disodium ethylene diamine tetraacetate nickel, 0.04 part of two quinolines
The solid paraffin of dicarboxylic acid moiety disodium hydrate, 0.1 part of three monooctyl ester of phosphorous acid and 0.5 mass parts is uniformly mixed, by main spout
Double screw extruder is added, extruder is added by glass fiber opening in 25 parts of glass fibre, is passed through note after material is heated to melting
In mould, form at a temperature of 290 DEG C to get to fire prevention electric appliance polymer composite of the present invention.
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 30 parts of nano-sized magnesium hydroxide at 80 parts
Water in, after ultrasonic 60min, be heated to 50 DEG C, stirred under 2000 turns of speed more than minute with high-speed mixer, slowly plus
Enter 0.8 part isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters；After stirring 40min, static minute after filtering, will change
Property after nano-sized magnesium hydroxide be put into baking oven drying, 90 DEG C of temperature setting, the time be for 24 hours；After having dried, 400 meshes are crossed in grinding,
Modified Nano magnesium hydroxide must be refined.
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 25 parts of 2- acrylamido -2-
Methyl-1-propane sulfonic acid and 300 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slowly added to dissolve
There is 25 parts of the tetrakis hydroxymethyl phosphonium chlorination phosphorus solution of 0.5 part of azodiisobutyronitrile, nitrogen protection is used after addition, by system temperature
Degree is raised to 70 DEG C, reaction 40min it is subsequent it is continuous be warming up to 85 DEG C, stop reaction after reacting 9h, product be concentrated into 80 parts, then
It is added to precipitating in 350 parts of petroleum ether, has acetone washing to be then placed in vacuum oven three times after filtering, is done at 80 DEG C
A kind of phosphorus nitrogen compound flame retardant is obtained after dry 48h.
The extruder controls screw zones temperature are as follows: 230 DEG C of feeding section temperature is plasticized 280 DEG C of cut section temperature, head temperature
280 DEG C of degree controls screw speed 400r/min.
Through examining, the limit oxygen index of gained sample is 35.1%, tensile strength 85.85MPa.
Embodiment 3
A kind of fire prevention electric appliance polymer composite and preparation method thereof, technology of preparing scheme is as follows:
According to mass fraction: by 80 parts of polyamide, 10 parts of glass microballoon, 30 parts of modified Nano magnesium hydroxide, 6 parts
Phosphorus nitrogen compound flame retardant, 15 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.6 part of coupling agent propyl trimethoxy
Base silane, 0.8 part of 2,6 di tert butyl 4 methyl phenol, 0.15 part of disodium ethylene diamine tetraacetate nickel, 0.12 part of two quinolines
The solid paraffin of dicarboxylic acid moiety disodium hydrate, 0.5 part of three monooctyl ester of phosphorous acid and 1.5 mass parts is uniformly mixed, by main spout
Double screw extruder is added, extruder is added by glass fiber opening in 30 parts of glass fibre, is passed through note after material is heated to melting
In mould, form at a temperature of 320 DEG C to get to fire prevention electric appliance polymer composite of the present invention.
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 30 parts of nano-sized magnesium hydroxide at 80 parts
Water in, after ultrasonic 60min, be heated to 50 DEG C, stirred under 2000 turns of speed more than minute with high-speed mixer, slowly plus
Enter 0.8 part isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters；After stirring 40min, static minute after filtering, will change
Property after nano-sized magnesium hydroxide be put into baking oven drying, 90 DEG C of temperature setting, the time be for 24 hours；After having dried, 400 meshes are crossed in grinding,
Modified Nano magnesium hydroxide must be refined.
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 25 parts of 2- acrylamido -2-
Methyl-1-propane sulfonic acid and 300 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slowly added to dissolve
There is 25 parts of the tetrakis hydroxymethyl phosphonium chlorination phosphorus solution of 0.5 part of azodiisobutyronitrile, nitrogen protection is used after addition, by system temperature
Degree is raised to 70 DEG C, reaction 40min it is subsequent it is continuous be warming up to 85 DEG C, stop reaction after reacting 9h, product be concentrated into 80 parts, then
It is added to precipitating in 350 parts of petroleum ether, has acetone washing to be then placed in vacuum oven three times after filtering, is done at 80 DEG C
A kind of phosphorus nitrogen compound flame retardant is obtained after dry 48h.
The extruder controls screw zones temperature are as follows: 230 DEG C of feeding section temperature is plasticized 280 DEG C of cut section temperature, machine
280 DEG C of temperature of head controls screw speed 400r/min.
Through examining, the limit oxygen index of gained sample is 35.9%, tensile strength 86.42MPa.
Embodiment 4
A kind of fire prevention electric appliance polymer composite and preparation method thereof, technology of preparing scheme is as follows:
According to mass fraction: by 79 parts of polyamide, 6.4 parts of glass microballoon, 27.8 parts of modified Nano magnesium hydroxide,
5.2 parts of phosphorus nitrogen compound flame retardant, 13.5 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.45 part of coupling agent third
Base trimethoxy silane, 0.75 part of 2,6 di tert butyl 4 methyl phenol, 0.08 part of disodium ethylene diamine tetraacetate nickel,
0.06 part of two quinoline carboxylic acid's disodium hydrates, 0.22 part of three monooctyl ester of phosphorous acid and 0.89 part of solid paraffin are uniformly mixed,
Double screw extruder is added by main spout, extruder is added by glass fiber opening in 28.4 parts of glass fibre, material is heated to
It is passed through in injection mold, forms at a temperature of 312 DEG C to get compound to fire prevention electric appliance macromolecule of the present invention after melting
Material.
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 22.9 parts of nano-sized magnesium hydroxide in 60-80
In the water of part, after ultrasonic 50min, 47.5 DEG C are heated to, is stirred under 1300 turns of speed more than minute with high-speed mixer, delayed
Slow isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters for being added 0.65 part；After stirring 31min, static minute, after filtering,
Modified nano-sized magnesium hydroxide is put into baking oven to dry, 88 DEG C of temperature setting, time 22.5h；After having dried, grinding crosses 350
Mesh must refine modified Nano magnesium hydroxide.
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 24 parts of 2- acrylamido -2-
Methyl-1-propane sulfonic acid and 280 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slowly added to dissolve
There is 21 parts of the tetrakis hydroxymethyl phosphonium chlorination phosphorus solution of 0.35 part of azodiisobutyronitrile, nitrogen protection is used after addition, by system
Temperature is raised to 63 DEG C, reaction 36min it is subsequent it is continuous be warming up to 82 DEG C, stop reaction after reacting 6h, product be concentrated into 72 parts, so
It is added to precipitating in 310 parts of petroleum ether afterwards, has acetone washing to be then placed in vacuum oven three times after filtering, at 72 DEG C
A kind of phosphorus nitrogen compound flame retardant is obtained after dry 38.
The extruder controls screw zones temperature are as follows: 225 DEG C of feeding section temperature is plasticized 270 DEG C of cut section temperature, machine
255 DEG C of temperature of head controls screw speed 250-400r/min.
Through examining, the limit oxygen index of gained sample is 35.7%, tensile strength 86.24MPa.
Comparative example 1
The fire prevention electric appliance is not with adding glass microballoon, the other the same as in Example 1 in polymer composite preparation process.
Through examining, the limit oxygen index of gained sample is 31.5%, tensile strength 80.18MPa.
Comparative example 2
The fire prevention electric appliance uses equivalent instead not with modified Nano magnesium hydroxide is not added in polymer composite preparation process
Modified Nano magnesium hydroxide substitution, the other the same as in Example 1.
Through examining, the limit oxygen index of gained sample is 29.4%, tensile strength 79.62MPa.
Comparative example 3
The fire prevention electric appliance is not with adding phosphorus nitrogen compound flame retardant, other same embodiments in polymer composite preparation process
1。
Through examining, the limit oxygen index of gained sample is 25.9%, tensile strength 83.94MPa.
Comparative example 4
The fire prevention electric appliance is not with disodium ethylene diamine tetraacetate nickel is added in polymer composite preparation process, other are the same as real
Apply example 1.
Through examining, the limit oxygen index of gained sample is 32.8%, tensile strength 81.37MPa.
Comparative example 5
For the fire prevention electric appliance with two quinoline carboxylic acid's disodium hydrates are not added in polymer composite preparation process, other are same
Embodiment 1.
Through examining, the limit oxygen index of gained sample is 33.5%, tensile strength 83.09MPa.
Claims (5)
1. a kind of fire prevention electric appliance polymer composite and preparation method thereof, which is characterized in that technology of preparing scheme is as follows:
According to mass fraction: by 70-80 parts of polyamide, 5-10 parts of glass microballoon, 20-30 parts of modified Nano hydrogen-oxygen
Change magnesium, 2-6 parts of phosphorus nitrogen compound flame retardant, 10-15 parts of maleic anhydride grafted ethene -1- octene copolymer, 0.2-0.6 parts
Coupling agent propyl trimethoxy silicane, 0.4-0.8 parts of 2,6 di tert butyl 4 methyl phenol, 0.05-0.15 parts of ethylenediamine
Tetraacethyl disodium nickel, 0.04-0.12 parts of two quinoline carboxylic acid's disodium hydrates, 0.1-0.5 parts of three monooctyl ester of phosphorous acid and 0.5-
1.5 parts of solid paraffin is uniformly mixed, and double screw extruder is added by main spout, by 25-30 parts of glass fibre by glass
Mouth addition extruder, is passed through in injection mold after material is heated to melting, is formed at a temperature of 290-320 DEG C to get to originally
The invention fire prevention electric appliance polymer composite.
2. a kind of fire prevention electric appliance polymer composite according to claim 1 and preparation method thereof, which is characterized in that
The modified Nano magnesium hydroxide the preparation method comprises the following steps: being dispersed with stirring 20-30 parts of nano-sized magnesium hydroxide at 60-80 parts
In water, after ultrasonic 30-60min, it is heated to 40-50 DEG C, is stirred under the speed that 1000-2000 turns minute or more with high-speed mixer
It mixes, is slowly added to 0.4-0.8 parts isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters；It is static after stirring 30-40min
Minute, after filtering, modified nano-sized magnesium hydroxide is put into baking oven and is dried, 80-90 DEG C of temperature setting, time 18-24h；It is dry
It is dry it is complete after, grinding, cross 300-400 mesh, modified Nano magnesium hydroxide must be refined.
3. a kind of fire prevention electric appliance polymer composite according to claim 1 and preparation method thereof, which is characterized in that
The phosphorus nitrogen compound flame retardant the preparation method comprises the following steps: according to mass fraction, by 20-25 parts of 2- acrylamido -2- methyl -
1- propane sulfonic acid and 250-300 parts of ethyl alcohol are added in reaction kettle, and after stirring and dissolving, Xiang Fanying attached middle school is slowly added to be dissolved with
20-25 parts of the tetrakis hydroxymethyl phosphonium chlorination phosphorus solution of 0.2-0.5 parts of azodiisobutyronitriles uses nitrogen protection after addition, will
System temperature is raised to 60-70 DEG C, reaction 30-40min it is subsequent it is continuous be warming up to 75-85 DEG C, stop reaction after reacting 5-9h, by product
Be concentrated into 70-80 parts, be then added to precipitating in 250-350 parts of petroleum ether, there is acetone washing then to put three times after filtering
A kind of phosphorus nitrogen compound flame retardant is obtained after entering vacuum oven drying.
4. a kind of fire prevention electric appliance polymer composite according to claim 1 and preparation method thereof, which is characterized in that
The extruder controls screw zones temperature are as follows: 220 DEG C -230 DEG C of feeding section temperature is plasticized 230 DEG C -280 of cut section temperature
DEG C, 250 DEG C -280 DEG C of head temperature, control screw speed 250-400r/min.
5. a kind of fire prevention electric appliance polymer composite according to claim 3 and preparation method thereof, it is characterised in that:
The vacuum drying condition is dry 36-48h at 70-80 DEG C.
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| CN106700514A (en) * | 2015-08-27 | 2017-05-24 | 上海博怀化工有限公司 | Fireproof and flame-resistant composite material used for locomotive bellows, and preparation method thereof |
| CN107353552A (en) * | 2017-07-20 | 2017-11-17 | 合肥安力电力工程有限公司 | A kind of flame retardant distribution box sheathing material and preparation method thereof |
| CN107418119A (en) * | 2017-08-01 | 2017-12-01 | 合肥市大卓电力有限责任公司 | A kind of fire-retardant power electric meter sheathing material and preparation method thereof |
| CN108239391A (en) * | 2016-12-27 | 2018-07-03 | 上海凯赛生物技术研发中心有限公司 | A kind of light flame-retardant reinforced polyamide composition and preparation method thereof |
| CN108239394A (en) * | 2016-12-27 | 2018-07-03 | 上海凯赛生物技术研发中心有限公司 | A kind of lightweight halogen-free fire-retarding reinforced polyamide composition and preparation method thereof |
-
2018
- 2018-12-28 CN CN201811617893.9A patent/CN109679330A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700514A (en) * | 2015-08-27 | 2017-05-24 | 上海博怀化工有限公司 | Fireproof and flame-resistant composite material used for locomotive bellows, and preparation method thereof |
| CN108239391A (en) * | 2016-12-27 | 2018-07-03 | 上海凯赛生物技术研发中心有限公司 | A kind of light flame-retardant reinforced polyamide composition and preparation method thereof |
| CN108239394A (en) * | 2016-12-27 | 2018-07-03 | 上海凯赛生物技术研发中心有限公司 | A kind of lightweight halogen-free fire-retarding reinforced polyamide composition and preparation method thereof |
| CN107353552A (en) * | 2017-07-20 | 2017-11-17 | 合肥安力电力工程有限公司 | A kind of flame retardant distribution box sheathing material and preparation method thereof |
| CN107418119A (en) * | 2017-08-01 | 2017-12-01 | 合肥市大卓电力有限责任公司 | A kind of fire-retardant power electric meter sheathing material and preparation method thereof |
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Application publication date: 20190426 |
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