CN108192340A - A kind of MCA flame-proof PA 6 materials of high glow-wire ignition temperature and preparation method thereof - Google Patents
A kind of MCA flame-proof PA 6 materials of high glow-wire ignition temperature and preparation method thereof Download PDFInfo
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- CN108192340A CN108192340A CN201810004004.5A CN201810004004A CN108192340A CN 108192340 A CN108192340 A CN 108192340A CN 201810004004 A CN201810004004 A CN 201810004004A CN 108192340 A CN108192340 A CN 108192340A
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- flame
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- retardant
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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
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of high glow-wire ignition temperature MCA flame-proof PA 6 materials, including following raw material by weight：PA6 resins 61 78%, MCA fire retardant systems 18 25%, compound flame retardant 3 9%, toughener 1 5%, antioxidant 0.1 0.5%, lubricant 0.2 0.8%, each component are put into double screw extruder extruding pelletization after being mixed in high speed mixer 1~2 minute to obtain the final product；The MCA flame-proof PA 6s of the present invention can meet the unattended electric appliance requirement of 750 DEG C of glowing filaments in European Union's IEC60695 standards, be provided simultaneously with high tenacity, high intensity, can rapid shaping, high performance-price ratio the features such as, can meet that microswitch, connector, fuse etc. be electric and requirements of household electronic products.
Description
Technical field
The invention belongs to technical field of polymer materials, especially a kind of high glow-wire ignition temperature MCA flame-proof PA 6 materials
And preparation method thereof.
Background technology
Polyamide -6, i.e. nylon 6, are called PA6, polyamide 6.PA6 is because with good mechanical property, electrical property, heat-resisting
The excellent performances such as property, toughness, oil resistivity, wearability, self lubricity, chemical resistance, are widely used in automobile, electronic apparatus
In manufacturing industry, for manufacturing part of the more demanding part of mechanical strength and heat-resisting, impact resistance, abrasion-resistant etc., it has also become five
Most important a member in large-engineering plastics.However, there is poor fire, bad mechanical strength, notch impact strengths for pure PA6 resins
The low, shortcomings such as heat distortion temperature is low, so as to limit its application in certain fields.Therefore at present, in PA6 there are about 80% be by
Modified kind, and significant portion is MCA flame-proof PA 6 materials.But common MCA flame-proof PA 6s material all can not be by burning
Heated filament tests the rigors (according to European Union's IEC60695 standards) extinguished in 750 DEG C, 2 seconds, cannot be widely applied to require 750
In the product that DEG C glowing filament extinguishes in 2 seconds.
Invention content
In view of the problems of the existing technology, the object of the present invention is to provide a kind of high glow-wire ignition temperature MCA is fire-retardant
PA6 materials and preparation method thereof, solve the prior art and cannot meet 750 DEG C of glowing filaments in MCA flame-proof PA 6 materials in 2 seconds to put out
The rigors to go out.
To achieve these goals, the present invention uses following technical scheme：
The MCA flame-proof PA 6 materials of a kind of high glow-wire ignition temperature, including following components by weight percentage：
Preferably, the PA6 resins dry 2-4 hours control moisture below 0.1% at 110-130 DEG C.
Preferably, the MCA fire retardant systems are MCA fire retardants and high-glowing-filament-temperature flame-retardancy synergist is 85- by weight
95：5-15 is compounded.
It is further preferred that the MCA fire retardants are nitrogenous halogen-free environment-friendly type flame-proof agent.
It is highly preferred that the MCA fire retardants are melamine cyanurate.
It is further preferred that the efficient glowing filament fire retarding synergist is by silicoaluminate, higher fatty acids fat and table
Face activating agent is 90-95 by weight：1-9：1-9 mixed processings form.
It is highly preferred that the silicoaluminate is the compound of following chemical general formula：AlXSiyOzHq, wherein, x 1-2, y
For 0-2, z 3-9, q 0-4.
It is highly preferred that the silicoaluminate is selected from Al2O3、Al(OH)3、Al2O3·2SiO2·2H2At least one in O
Kind.
It is highly preferred that the higher fatty acids fat is selected from butyl stearate, Ethylhexyl stearate, the different tridecanol of stearic acid
At least one of ester, the different hexadecanol ester of stearic acid, luryl oleate, glycerine three (dodecanoate).
It is highly preferred that the surfactant is anion surfactant, selected from stearic acid, neopelex
At least one of.
Preferably, the compound flame retardant for phosphorus flame retardant, inorganic fire-retarded synergist, one kind in polytetrafluoroethylene (PTFE) or
It is several to compound.
It is further preferred that the phosphorus flame retardant is selected from triphenyl phosphate, bisphenol-A bis- (diphenyl phosphoesters) and isophthalic
At least one of diphenol (diphenyl phosphoester).
It is further preferred that the inorganic synergist is selected from least one of nano imvite, bentonite and mica.
It is highly preferred that the compounding flame retardant for phosphorus flame retardant, inorganic fire-retarded synergist, polytetrafluoroethylene (PTFE) by weight
Than being 40~65：35~55：0~5 compounds.
Preferably, the toughener is POE-g-MAH, with polyolefin elastomer (POE) for matrix, passes through reactive extrursion
Obtained by maleic anhydride (MAH) monomer for being grafted high reaction activity.
Preferably, the antioxidant is four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol esters
(1010) it is 1-3 by weight with three (2,4- di-tert-butyl-phenyls) phosphite esters (168):1-3 is compounded.
Preferably, the lubricant is silicone powder.
The preparation method of the MCA flame-proof PA 6 materials of above-mentioned high glow-wire ignition temperature, includes the following steps：
(1) processing and mixing of raw material：
PA6 resins dry 2-4 hours at 110-130 DEG C, and control moisture is below 0.1%；
By the PA6 resins and MCA fire retardant systems, compound flame retardant, toughener, antioxidant, lubricant after drying and processing
It is mixed 1-5 minutes in high speed mixer, is sufficiently stirred each component and is uniformly dispersed；
(2) melting extrusion：
By the material mixed add in double screw extruder in melting extrusion, melting extrusion temperature between 200-240 DEG C,
Screw speed is 300-500 revs/min；
(3) it is granulated and post-processes：
The material of extrusion is cooled down, is air-dried, pelletizing, too strong magnetic, is packaged to be finished product.
Beneficial effects of the present invention：
The MCA flame-proof PA 6s material of the present invention can meet 750 DEG C of unattended electricity of glowing filament in European Union's IEC60695 standards
Device requirement, be provided simultaneously with high tenacity, high intensity, can rapid shaping, high performance-price ratio the features such as, can meet microswitch, connector,
Fuse etc. is electric and requirements of household electronic products.
Specific embodiment
The present invention is illustrated with reference to embodiment.
Embodiment 1
A kind of high-glowing-filament-temperature flame-retardancy synergist is by Al2O3·2SiO2·2H2O, Ethylhexyl stearate and stearic acid be by weight
Than being 95：3：What 2 mixed processings formed.
Embodiment 2
A kind of high-glowing-filament-temperature flame-retardancy synergist is by Al2O3·2SiO2·2H2O, glycerine three (dodecanoate) and 12
Sodium alkyl benzene sulfonate is 95 by weight：3：What 2 mixed processings formed.
Embodiment 3
A kind of high-glowing-filament-temperature flame-retardancy synergist is by Al2O3·2SiO2·2H2O, luryl oleate and stearic acid are by weight
Amount is than being 95：3：What 2 mixed processings formed.
Embodiment 4
The PA6 resins of 77.6% weight are first dried to 3 hours control moisture at 120 DEG C below 0.1%；Then with 18%
(the high-glowing-filament-temperature flame-retardancy synergist of MCA fire retardants and embodiment 1 is by weight being 95 for the MCA fire retardant systems of weight：5), 3%
(bisphenol-A bis- (diphenyl phosphoesters), bentonite and polytetrafluoroethylene (PTFE) are 55 by weight to the compound flame retardant of weight:45:3)、
Four (β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol esters of the toughener of 1% weight, 0.1% weight
(1010) and three (2,4- di-tert-butyl-phenyls) phosphite esters (168) of 0.1% weight, the silicone powder of 0.2% weight pass through height
Fast batch mixer from metering feeding device enters double screw extruder plasticizing, melting after mixing 2 minutes, then extruded, cooling, cooling,
It air-dries, pelletizing, too strong magnetic, be packaged to be product.Wherein melting extrusion temperature is between 200-240 DEG C, screw speed 400
Rev/min.
Embodiment 5
The PA6 resins of 61% weight are first dried to 3 hours control moisture at 120 DEG C below 0.1%；Then with 25% weight
(the high-glowing-filament-temperature flame-retardancy synergist of MCA fire retardants and embodiment 1 is by weight being 95 for the MCA fire retardant systems of amount：5), 8% weight
(bisphenol-A bis- (diphenyl phosphoesters), bentonite and polytetrafluoroethylene (PTFE) are 55 by weight to the compound flame retardant system of amount:45:
3), the toughener of 5% weight, 0.25% weight four (β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol esters
(1010) and three (2,4- di-tert-butyl-phenyls) phosphite esters (168) of 0.25% weight, the silicone powder of 0.5% weight pass through height
Fast batch mixer from metering feeding device enters double screw extruder plasticizing, melting after mixing 2 minutes, then extruded, cooling, air-dry,
Pelletizing, is packaged to be product at too strong magnetic.For wherein melting extrusion temperature between 200-240 DEG C, screw speed is 400 revs/min.
Embodiment 6
Embodiment 6 is on the basis of embodiment 4, and high-glowing-filament-temperature flame-retardancy synergist is substituted for the high scorching hot of embodiment 2
The MCA flame-proof PA 6 materials that silk fire retarding synergist is prepared.
Embodiment 7
Embodiment 7 is on the basis of embodiment 4, and high-glowing-filament-temperature flame-retardancy synergist is substituted for the high scorching hot of embodiment 3
The MCA flame-proof PA 6 materials that silk fire retarding synergist is prepared.
The MCA flame-proof PA 6 materials that embodiment 4-7 is prepared are tested for the property, the results are shown in Table 1：
The result of MCA flame-proof PA 6 material properties tests that 1 embodiment 4-7 of table is prepared
In conclusion being presently preferred embodiments of the present invention, all changes according to made by technical solution of the present invention are generated
When function is failed beyond the range of technical solution of the present invention, all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of MCA flame-proof PA 6 materials of high glow-wire ignition temperature, which is characterized in that including by weight percentage with
Lower component：
2. MCA flame-proof PA 6s material according to claim 1, which is characterized in that it is small that the PA6 resins dry 3 at 120 DEG C
When control moisture below 0.1%.
3. MCA flame-proof PA 6s material according to claim 1, which is characterized in that the MCA fire retardant systems are fire-retardant for MCA
Agent is 85-95 by weight with high-glowing-filament-temperature flame-retardancy synergist：5-15 is compounded.
4. MCA flame-proof PA 6s material according to claim 3, which is characterized in that the MCA fire retardants are melamine cyanogen
Lithate.
5. MCA flame-proof PA 6s material according to claim 3, which is characterized in that the efficient glowing filament fire retarding synergist is
It is 90-95 by weight by silicoaluminate, higher fatty acids fat and surfactant：1-9：1-9 is mixed with.
6. MCA flame-proof PA 6s material according to claim 1, which is characterized in that the compound flame retardant is phosphorous flame-retardant
One or more of agent, inorganic fire-retarded synergist, polytetrafluoroethylene (PTFE) compound.
7. MCA flame-proof PA 6s material according to claim 6, which is characterized in that the phosphorus flame retardant is selected from phosphoric acid triphen
At least one of ester, bisphenol-A bis- (diphenyl phosphoesters) and resorcinol (diphenyl phosphoester).
8. MCA flame-proof PA 6s material according to claim 6, which is characterized in that the inorganic fire-retarded synergist is selected from nanometer
At least one of montmorillonite, bentonite and mica.
9. the MCA flame-proof PA 6 materials according to any one of claim 1 and 6-8, which is characterized in that the compositional flame-retardant
Agent is phosphorus flame retardant, inorganic fire-retarded synergist, polytetrafluoroethylene (PTFE) are 40~65 by weight：35~55：0~5 compounds.
10. the preparation side of the MCA flame-proof PA 6 materials of the high glow-wire ignition temperature according to any one of claim 1-9
Method, which is characterized in that include the following steps：
(1) processing and mixing of raw material：
PA6 resins after drying and MCA fire retardant systems, compound flame retardant, toughener, antioxidant, lubricant is mixed in high speed
It is mixed in material machine, is sufficiently stirred each component and is uniformly dispersed；
(2) melting extrusion：
The material mixed is added in into melting extrusion in double screw extruder, melting extrusion temperature is between 200-240 DEG C, screw rod
Rotating speed is 300-500 revs/min；
(3) it is granulated and post-processes：
The material of extrusion is cooled down, is air-dried, pelletizing, too strong magnetic, is packaged to be finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810004004.5A CN108192340A (en) | 2018-01-03 | 2018-01-03 | A kind of MCA flame-proof PA 6 materials of high glow-wire ignition temperature and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810004004.5A CN108192340A (en) | 2018-01-03 | 2018-01-03 | A kind of MCA flame-proof PA 6 materials of high glow-wire ignition temperature and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982254A (en) * | 2019-04-22 | 2020-04-10 | 江苏集萃先进高分子材料研究所有限公司 | Flame-retardant fiber reinforced nylon 6 material and preparation method thereof |
| CN116178939A (en) * | 2022-12-13 | 2023-05-30 | 青岛国恩科技股份有限公司 | Halogen-free flame-retardant high GWIT high-heat-conductivity polyamide 6 material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110982254A (en) * | 2019-04-22 | 2020-04-10 | 江苏集萃先进高分子材料研究所有限公司 | Flame-retardant fiber reinforced nylon 6 material and preparation method thereof |
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| CN116178939A (en) * | 2022-12-13 | 2023-05-30 | 青岛国恩科技股份有限公司 | Halogen-free flame-retardant high GWIT high-heat-conductivity polyamide 6 material and preparation method thereof |
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Application publication date: 20180622 |