CN110305474A - A kind of low temperature resistant flame retardant polyamide compoiste material and preparation method thereof - Google Patents
A kind of low temperature resistant flame retardant polyamide compoiste material and preparation method thereof Download PDFInfo
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- CN110305474A CN110305474A CN201910520055.8A CN201910520055A CN110305474A CN 110305474 A CN110305474 A CN 110305474A CN 201910520055 A CN201910520055 A CN 201910520055A CN 110305474 A CN110305474 A CN 110305474A
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- polyamide
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 67
- 239000004952 Polyamide Substances 0.000 title claims abstract description 65
- 229920002647 polyamide Polymers 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 title claims abstract description 50
- 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 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000008187 granular material Substances 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 32
- -1 compatilizer Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 claims abstract description 11
- 229920001155 polypropylene Polymers 0.000 claims abstract description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000004048 modification Effects 0.000 claims description 11
- 238000012986 modification Methods 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 235000006708 antioxidants Nutrition 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 229910020648 KH550 Inorganic materials 0.000 claims description 5
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 2
- 239000004594 Masterbatch (MB) Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 239000004677 Nylon Substances 0.000 description 7
- 229920001778 nylon Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229910001863 barium hydroxide Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000012745 toughening agent Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- DYAHQFWOVKZOOW-UHFFFAOYSA-N Sarin Chemical compound CC(C)OP(C)(F)=O DYAHQFWOVKZOOW-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/06—Polyamides derived from polyamines and polycarboxylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K2003/026—Phosphorus
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- 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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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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Abstract
The invention discloses a kind of low temperature resistant flame retardant polyamide compoiste materials and preparation method thereof, the polyamide compoiste material is made of polyamide substrate, fire-retardant master granule, modified filler, compatilizer, antioxidant, by weight, polyamide substrate account for 70-75 parts, fire-retardant master granule account for 8-15 parts, modified filler account for 7-10 parts, compatilizer account for 5-8 parts, antioxidant account for 0.5-1 parts；The polyamide substrate is to be made of the polyamide 66 and polyamide 6 of weight ratio 3:1；The fire-retardant master granule is made of polyamide 66, polypropylene and red phosphorus；The modified filler by weight, is made of 1 kaolin, alumina powder and modified manometer silicon dioxide, 6 carbide fine powders.Polyamide compoiste material prepared by the present invention has good intensity and certain toughness, while polyamide compoiste material prepared by the present invention has good flame-retardance energy, furthermore, polyamide compoiste material appearance produced by the present invention is good.
Description
Technical field
The invention belongs to the modified manufacture fields of polyamide material, specifically design a kind of low temperature resistant flame retardant polyamide compoiste material
And preparation method thereof.
Background technique
Polyamide material have many advantages, such as intensity is high, acidproof, non-aging, insulating properties and widely used, however
Polyamide use temperature range is relatively narrow, it is common to use temperature is -20 DEG C -80 DEG C, and which has limited the application fields of polyamide material.
Low temperature resistant modified nylon materials mainly have compared with lower glass transition temperatures component by adding in nylon resin as toughening
Agent, toughener usually have following several: 1. polyolefin elastomer and its graft (POE)；2. ethylene propylene diene rubber (EPDM)；③
The maleic anhydride grafts (PE-g-MAH) of polyethylene；4. styrene butadiene thermoplasticelastomer (SBS)；5. sarin resin
(Surlyn)；6. the copolymer of acrylate or salt；7. ethylene-acrylate-copolymer-maleic anhydride etc..Above-mentioned toughener
The low-temperature flexibility of nylon can be effectively improved, but there is also a common defect, i.e., the introducing of above-mentioned toughener can all drop
The flame retardant rating of low nylon base.
Patent No. CN104829832A discloses a kind of preparation method of organic-silicon-modified flame-retardant nylon 66, that is, will be imperial when polymerizeing
It is copolymerized with organosilicon modifier, obtains flame retardant type casting nylon composite materials；Patent No. 104974504A discloses one kind
By the fire-retardant nylon composite material of nylon resin and the preparation of organic-silicon-modified resin.
Summary of the invention
In order to solve the above technical problems, the present invention proposes a kind of low temperature resistant flame retardant polyamide compoiste material and its preparation side
Method improves the resistance to low temperature and flame retardant property of polyamide.
To achieve the above object, the technical solution adopted by the present invention are as follows: a kind of low temperature resistant flame retardant polyamide compoiste material, by
Polyamide substrate, fire-retardant master granule, modified filler, compatilizer, antioxidant are made, and by weight, polyamide substrate accounts for 70-75
Part, fire-retardant master granule account for 8-15 parts, modified filler account for 7-10 parts, compatilizer account for 5-8 parts, antioxidant account for 0.5-1 parts；The polyamides
Amido body is to be made of the polyamide 66 and polyamide 6 of weight ratio 3:1；It is 15:5-3:2's that the fire-retardant master granule, which is by weight ratio,
Polyamide 66, polypropylene and red phosphorus composition；The modified filler by weight, is not surpassed by 10-15 parts of kaolin, 4-6 parts of fineness
It is thin no more than 10 microns of silicon carbide to cross 5 microns of alumina powder and 5-7 parts of modified manometer silicon dioxide, 6-8 part fineness
Powder composition, wherein the modified manometer silicon dioxide is that commercially available nano silica is mixed with the surface treating agent of its weight 3-4%
Obtain, the surface treating agent by barium hydroxide, sodium chloride and KH550 according to weight ratio 3-4:1-2:30 ratio mixing and
At；The compatilizer is POE, and the antioxidant is made of the 168 of weight ratio 1:1.5 and 1010.
Further, also contain maleic anhydride inoculated polypropylene in the fire-retardant master granule, wherein weight is equivalent to polyamide
0.5 times.
Further, 3-4 parts of silicone powders are also contained in the modified filler.
Further, 0.5-0.8 parts of modified montmorillonoids have been additionally added in the modified filler, the modified montmorillonoid is by matter
Amount is mixed than the montmorillonite for being 8-5:1 and KBr.
Further, the calcium carbonate powder for being also 5-10 microns containing 0.3-0.5 parts of partial sizes in the modified filler.
Further, polyamide compoiste material contains 3-6 parts of modification medium powder, and the modification medium powder is passed through by pulpous state diatom ooze
Calcium hydroxide after drying, crushing with 2 times of pulpous state diatomite weight mixes.
Further, preparing the low temperature resistant flame retardant polyamide compoiste material method is to require according to the above ratio, first with double
Fire-retardant master granule raw material is kneaded by roller open mill, discharging, and fire-retardant master granule is made with broken crusher machine, for use；Then by it is above-mentioned to
Fire-retardant master granule requires to be added with other raw materials that high-speed mixer and mixing is uniform according to the above ratio, finally mixed by after mixing
It closes material to add twin-screw extrude, 200-500 revs/min of working speed of double spiral shell extruders, use twin-screw by 220-300 DEG C of temperature
Extruder extruding pelletization, resulting Particles dispersed material are low temperature resistant flame retardant polyamide compoiste material.
Compared with prior art, the invention has the following advantages:
A kind of low temperature resistant flame retardant polyamide compoiste material prepared by the present invention and preparation method thereof, on the one hand it is in subzero 50 DEG C of items
Part lower has good intensity and certain toughness, while polyamide compoiste material prepared by the present invention has good flame-retardance
Can, furthermore, polyamide compoiste material appearance produced by the present invention is good.
Specific embodiment
Below with reference to the preferred embodiments of the present invention will be described in detail, so that advantages and features of the invention can be easier to
In being readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment 1
A kind of low temperature resistant flame retardant polyamide compoiste material, by polyamide substrate, fire-retardant master granule, modified filler, compatilizer, anti-oxidant
Agent is made, by weight, polyamide substrate account for 70 parts, fire-retardant master granule account for 8 parts, modified filler account for 7 parts, compatilizer account for 5 parts, antioxygen
Agent accounts for 0.5 part；The polyamide substrate is to be made of the polyamide 66 and polyamide 6 of weight ratio 3:1；The fire-retardant master granule is
It is made of polyamide 66, polypropylene and red phosphorus that weight ratio is 15:5:2；The modified filler by weight, by 10 parts of kaolinites
Soil, 4 parts of fineness are no more than 5 microns of alumina powder and 5 parts of modified manometer silicon dioxide, 6 parts of fineness are no more than 10 microns
Carbide fine powder, wherein the modified manometer silicon dioxide be commercially available nano silica and its weight 3-4% surface treatment
Agent is mixed to get, the surface treating agent by barium hydroxide, sodium chloride and KH550 according to weight ratio 3:2:30 ratio mixing and
At；The compatilizer is POE, and the antioxidant is made of the 168 of weight ratio 1:1.5 and 1010.
Further, also contain maleic anhydride inoculated polypropylene in the fire-retardant master granule, wherein weight is equivalent to polyamide
0.5 times.
Further, 3 parts of silicone powders are also contained in the modified filler.
Further, 0.5 part of modified montmorillonoid has been additionally added in the modified filler, the modified montmorillonoid is by mass ratio
It is mixed for the montmorillonite and KBr of 8:1.
Further, the calcium carbonate powder for being also 5-10 microns containing 0.3 part of partial size in the modified filler.
Further, polyamide compoiste material contains 3 parts of modification medium powder, and the modification medium powder is by pulpous state diatom ooze through drying
Calcium hydroxide dry, after crushing with 2 times of pulpous state diatomite weight mixes.
Further, preparing the low temperature resistant flame retardant polyamide compoiste material method is to require according to the above ratio, first with double
Fire-retardant master granule raw material is kneaded by roller open mill, discharging, and fire-retardant master granule is made with broken crusher machine, for use；Then by it is above-mentioned to
Fire-retardant master granule requires to be added with other raw materials that high-speed mixer and mixing is uniform according to the above ratio, finally mixed by after mixing
It closes material to add twin-screw extrude, double 300 revs/min of spiral shell extruder working speed, 280 DEG C of temperature, be squeezed with double screw extruder
It is granulated out, resulting Particles dispersed material is low temperature resistant flame retardant polyamide compoiste material.
Embodiment 2
A kind of low temperature resistant flame retardant polyamide compoiste material, by polyamide substrate, fire-retardant master granule, modified filler, compatilizer, anti-oxidant
Agent is made, by weight, polyamide substrate account for 72 parts, fire-retardant master granule account for 10 parts, modified filler account for 8 parts, compatilizer account for 6 parts, it is anti-
Oxidant accounts for 0.8 part；The polyamide substrate is to be made of the polyamide 66 and polyamide 6 of weight ratio 3:1；The fire-retardant master granule
For be 15:4:2 by weight ratio polyamide 66, polypropylene and red phosphorus form；The modified filler by weight, by 13 parts of kaolinites
Soil, 5 parts of fineness are no more than 5 microns of alumina powder and 6 parts of modified manometer silicon dioxide, 7 parts of fineness are no more than 10 microns
Carbide fine powder, wherein the modified manometer silicon dioxide be commercially available nano silica and its weight 3% surface treating agent
Be mixed to get, the surface treating agent by barium hydroxide, sodium chloride and KH550 according to weight ratio 4:1:30 ratio mixing and
At；The compatilizer is POE, and the antioxidant is made of the 168 of weight ratio 1:1.5 and 1010.
Further, also contain maleic anhydride inoculated polypropylene in the fire-retardant master granule, wherein weight is equivalent to polyamide
0.5 times.
Further, 3 parts of silicone powders are also contained in the modified filler.
Further, 0.7 part of modified montmorillonoid has been additionally added in the modified filler, the modified montmorillonoid is by mass ratio
It is mixed for the montmorillonite and KBr of 7:1.
Further, the calcium carbonate powder for being also 5-10 microns containing 0.4 part of partial size in the modified filler.
Further, polyamide compoiste material contains 5 parts of modification medium powder, and the modification medium powder is by pulpous state diatom ooze through drying
Calcium hydroxide dry, after crushing with 2 times of pulpous state diatomite weight mixes.
Further, preparing the low temperature resistant flame retardant polyamide compoiste material method is to require according to the above ratio, first with double
Fire-retardant master granule raw material is kneaded by roller open mill, discharging, and fire-retardant master granule is made with broken crusher machine, for use；Then by it is above-mentioned to
Fire-retardant master granule requires to be added with other raw materials that high-speed mixer and mixing is uniform according to the above ratio, finally mixed by after mixing
It closes material to add twin-screw extrude, double 300 revs/min of spiral shell extruder working speed, 280 DEG C of temperature, be squeezed with double screw extruder
It is granulated out, resulting Particles dispersed material is low temperature resistant flame retardant polyamide compoiste material.
Embodiment 3
A kind of low temperature resistant flame retardant polyamide compoiste material, by polyamide substrate, fire-retardant master granule, modified filler, compatilizer, anti-oxidant
Agent is made, by weight, polyamide substrate account for 75 parts, fire-retardant master granule account for 15 parts, modified filler account for 10 parts, compatilizer account for 8 parts, it is anti-
Oxidant accounts for 1 part；The polyamide substrate is to be made of the polyamide 66 and polyamide 6 of weight ratio 3:1；The fire-retardant master granule is
It is made of polyamide 66, polypropylene and red phosphorus that weight ratio is 15:3:2；The modified filler by weight, by 15 parts of kaolinites
Soil, 6 parts of fineness are no more than 5 microns of alumina powder and 7 parts of modified manometer silicon dioxide, 8 parts of fineness are no more than 10 microns
Carbide fine powder, wherein the modified manometer silicon dioxide be commercially available nano silica and its weight 4% surface treating agent
Be mixed to get, the surface treating agent by barium hydroxide, sodium chloride and KH550 according to weight ratio 2:1:15 ratio mixing and
At；The compatilizer is POE, and the antioxidant is made of the 168 of weight ratio 1:1.5 and 1010.
Further, also contain maleic anhydride inoculated polypropylene in the fire-retardant master granule, wherein weight is equivalent to polyamide
0.5 times.
Further, 4 parts of silicone powders are also contained in the modified filler.
Further, 0.8 part of modified montmorillonoid has been additionally added in the modified filler, the modified montmorillonoid is by mass ratio
It is mixed for the montmorillonite and KBr of 5:1.
Further, the calcium carbonate powder for being also 5-10 microns containing 0.5 part of partial size in the modified filler.
Further, polyamide compoiste material contains 6 parts of modification medium powder, and the modification medium powder is by pulpous state diatom ooze through drying
Calcium hydroxide dry, after crushing with 2 times of pulpous state diatomite weight mixes.
Further, preparing the low temperature resistant flame retardant polyamide compoiste material method is to require according to the above ratio, first with double
Fire-retardant master granule raw material is kneaded by roller open mill, discharging, and fire-retardant master granule is made with broken crusher machine, for use；Then by it is above-mentioned to
Fire-retardant master granule requires to be added with other raw materials that high-speed mixer and mixing is uniform according to the above ratio, finally mixed by after mixing
It closes material to add twin-screw extrude, double 300 revs/min of spiral shell extruder working speed, 280 DEG C of temperature, be squeezed with double screw extruder
It is granulated out, resulting Particles dispersed material is low temperature resistant flame retardant polyamide compoiste material.
A specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, it is any to be familiar with this field
Within the technical scope disclosed by the invention, changes or replacements that can be thought of without creative work should all be contained technical staff
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be to protect model defined by claims
Subject to enclosing.
Claims (7)
1. a kind of low temperature resistant flame retardant polyamide compoiste material, it is characterised in that: by polyamide substrate, fire-retardant master granule, modified filler,
Compatilizer, antioxidant are made, and by weight, polyamide substrate accounts for 70-75 parts, fire-retardant master granule accounts for 8-15 parts, modified filler accounts for
7-10 parts, compatilizer account for 5-8 parts, antioxidant account for 0.5-1 parts；The polyamide substrate is the polyamide 66 by weight ratio 3:1
It is formed with polyamide 6；The fire-retardant master granule is that polyamide 66, polypropylene and the red phosphorus for being 15:5-3:2 by weight ratio form；Institute
State modified filler by weight, alumina powder by 10-15 parts of kaolin, 4-6 parts of fineness no more than 5 microns and 5-7 parts
Carbide fine powder of modified manometer silicon dioxide, 6-8 part fineness no more than 10 microns forms, wherein the modified nano-silica
Silicon is that commercially available nano silica and the surface treating agent of its weight 3-4% are mixed to get, and the surface treating agent is by hydroxide
Barium, sodium chloride and KH550 are mixed according to the ratio of weight ratio 3-4:1-2:30；The compatilizer is POE, described anti-oxidant
Agent is made of the 168 of weight ratio 1:1.5 and 1010.
2. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: the fire-retardant master granule
In also contain maleic anhydride inoculated polypropylene, wherein weight is equivalent to 0.5 times of polyamide.
3. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: the modified filler
In also contain 3-4 parts of silicone powders.
4. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: the modified filler
In be additionally added 0.5-0.8 parts of modified montmorillonoids, the modified montmorillonoid is mixed by the montmorillonite that mass ratio is 8-5:1 and KBr
It closes.
5. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: the modification is filled out
The calcium carbonate powder for being also 5-10 microns containing 0.3-0.5 parts of partial sizes in material.
6. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: polyamide composite wood
Material contain 3-6 parts of modification medium powder, the modification medium powder by pulpous state diatom ooze after dried, crushed with pulpous state diatomite weight
2 times of calcium hydroxide mixes.
7. a kind of low temperature resistant flame retardant polyamide compoiste material according to claim 1, it is characterised in that: preparation method is
It requires, is kneaded fire-retardant master granule raw material according to the above ratio first with two-roll mill, discharge, and resistance is made with broken crusher machine
Master batch is fired, for use；Then above-mentioned stand-by fire-retardant master granule and other raw materials are required according to the above ratio that high-speed mixer and mixing is added
Uniformly, finally mixture after mixing is added twin-screw extrude, double spiral shell extruder working speed 200-500 turns/
Point, 220-300 DEG C of temperature, with double screw extruder extruding pelletization, resulting Particles dispersed material is low temperature resistant flame retardant polyamide
Composite material.
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| CN111040445A (en) * | 2019-12-31 | 2020-04-21 | 苏州旭光聚合物有限公司 | Flame-retardant nylon 66/nylon 6 composite material with high mechanical property |
| CN112552680A (en) * | 2020-12-11 | 2021-03-26 | 上海金发科技发展有限公司 | Efficient flame-retardant nylon composite material and preparation method thereof |
| US11787939B2 (en) | 2019-10-24 | 2023-10-17 | Inv Nylon Polymers Americas, Llc | Polyamide compositions and articles made therefrom |
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