CN101870812A - Conductive nylon 66 material and preparation method thereof - Google Patents
Conductive nylon 66 material and preparation method thereof Download PDFInfo
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- CN101870812A CN101870812A CN200910057121A CN200910057121A CN101870812A CN 101870812 A CN101870812 A CN 101870812A CN 200910057121 A CN200910057121 A CN 200910057121A CN 200910057121 A CN200910057121 A CN 200910057121A CN 101870812 A CN101870812 A CN 101870812A
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Abstract
The invention provides a conductive nylon 66 material and a preparation method thereof. The conductive nylon 66 material consists of the following components in percentage by weight: 80 to 95 percent of nylon 66, 1 to 10 percent of carbon nanotubes, 1 to 15 percent of nanomontmorillonite, 1 to 10.5 percent of compatible toughening agent, 0.3 to 1 percent of antioxidant, 0.3 to 1 percent of nucleating agent and 0.3 to 1 percent of lubricant. The preparation method includes the following steps that: the carbon nanotubes and the nanomontmorillonite are first mixed with the compatible toughening agent accounting for 0.5 to 3.75 percent of the total weight and the nylon 66 accounting for 5 to 20 percent of the total weight, an internal mixer or a double-screw extruder is used for preparing master batch, and the master batch is then mixed with the rest of nylon 66 and compatible toughening agent, the antioxidant, the nucleating agent and the lubricant, and is extruded by the double-screw extruder. The invention has the following advantages that: the conductive nylon 66 material has excellent conductivity, the mechanical property is greatly enhanced, moreover, the preparation method is simple, and the operation is convenient.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly a kind of conduction nylon material and preparation method thereof.
Background technology
Carbon nanotube (Carbon Nanotubes is called for short CNTs) is a kind of novel carbon structure of being found by the Iijima of Japanese NEC Corporation (Iijima) in 1991, is the body that is rolled into by the Graphene lamella that carbon atom forms.Carbon nanotube is divided into Single Walled Carbon Nanotube (Single-Walled Carbon Nanotubes) and multi-walled carbon nano-tubes (Multi-Walled Carbon Nanotubes).Have performances such as excellent electricity, magnetic, light, heat because of it, so good application prospects is arranged in the preparation field of polymers function matrix material.The good electrical properties of carbon nanotube, magnetic property and optical property can increase substantially conductivity, electromagnetic shielding and the photoelectron emissions performance of matrix material.The wide-band microwave absorptive character that carbon nanotube is stronger make it become a kind of promising microwave absorption, can be used as the toughener of stealth material, electromagnetic shielding material or darkroom absorbing material.Nylon 66 is a kind of purposes engineering plastics very widely, is that fusing point is between 240 ℃-260 ℃ by the method preparation that is raw material by polycondensation of hexanodioic acid and hexanediamine.Nylon 66 material has the intensity height, and advantage such as good rigidly, shock resistance, oil resistant and chemical, wear-resisting and self-lubricating is widely used in the component of machinery, automobile, chemical industry, electric device.But its volume specific resistance is greater than 10 for common nylon 66 material
14Ω cm is a kind of insulating material, thereby has limited its application aspect a lot.
Conductive additive in the polymer conducting material of interpolation filler mainly contains metal powder, carbon black, graphite, carbon nanotube at present.Also can prepare conducting polymer composite material though in polymkeric substance, add metal powder, carbon black or graphite, but the loss of the mechanical property of material is serious, and utilizes carbon nanotube as conductive filler material, and then addition is few, cleaning, the while can be improved the mechanical property of material.
Summary of the invention
The object of the invention is to provide a kind of conduction nylon 66 material with excellent conductive capability and mechanical property and preparation method thereof.Conduction nylon 66 provided by the present invention, the weight percentage ranges of its each component and each component is: nylon 6680%-95%; Carbon nanotube 1%-10%; Nano imvite 1%-15%; Compatible toughening agents 1%-10.5%; Oxidation inhibitor 0.3%-1%; Nucleator 0.3%-1%; Lubricant 0.3%-1%
Described nylon 66 material is the polyamide resin of range of viscosities between 2.5-3.2.
Described carbon nanotube is a multi-walled carbon nano-tubes, and external diameter is 10-12nm, and length is 10-12 μ m, and purity is greater than 95%.
Described nano imvite particle diameter is about 60-100nm.
Described toughner is polypropylene grafted maleic anhydride, and percentage of grafting is that percentage of grafting is more than or equal to 0.9% more than or equal to 0.9% or polyethylene-octene copolymer grafted maleic anhydride.
Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine.
Described nucleator is a talcum powder, and particle diameter is 1250 orders.
Described lubricant is an ethylene acrylic acid co polymer.
Its preparation method is: elder generation is with carbon nanotube, nano imvite and account for the compatible toughening agents of gross weight 0.5%-3.75%, the nylon 66 material of 5%-20% mixes, with Banbury mixer or prepared in twin-screw extruder master batch, with master batch and remaining nylon 66 and compatible toughening agents and oxidation inhibitor, nucleator and mix lubricant, extrude then through twin screw extruder.
The invention has the advantages that: this conduction nylon 66 material has excellent conductivity, and mechanical property is greatly improved, and its preparation method is simple, and is easy to operate.
Embodiment
The invention will be described further below in conjunction with embodiment.
Embodiment 1
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6694.46%, carbon nanotube 1.05%, compatible toughening agents 1.95%, nano imvite 1.04%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is polyethylene-octene copolymer grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66,1.05% carbon nanotube of gross weight 5.46% earlier, 0.35% compatible toughening agents and 1.04% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 7.9%, be designated as PA66MBs-1; The master batch PA66MBs-1 that accounts for gross weight 7.9% that will make then and 89% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 1.6% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Embodiment 2
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6688.6%, carbon nanotube 3%, compatible toughening agents 4.5%, nano imvite 2.4%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is a polypropylene grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66 (German BASF Co., Ltd), 3% carbon nanotube of gross weight 15.6% earlier, 1% compatible toughening agents and 2.4% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 22%, be designated as PA66MBs-2; The master batch PA66MBs-2 that accounts for gross weight 22% that will make then and 73% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 3.5% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Embodiment 3
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6684%, carbon nanotube 5%, compatible toughening agents 4.5%, nano imvite 5%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is a polypropylene grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66 (German BASF Co., Ltd), 5% carbon nanotube of gross weight 13.5% earlier, 1.5% compatible toughening agents and 5% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 25%, be designated as PA66MBs-3; The master batch PA66MBs-3 that accounts for gross weight 25% that will make then and 70.5% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 3% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Embodiment 4
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6680.1%, carbon nanotube 9.6%, compatible toughening agents 7.5%, nano imvite 1.3%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material is that viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is a polypropylene grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66 (German BASF Co., Ltd), 9.6% carbon nanotube of gross weight 18.4% earlier, 3.7% compatible toughening agents and 1.3% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 33%, be designated as PA66MBs-4; The master batch PA66MBs-4 that accounts for gross weight 33% that will make then and 61.7% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 3.8% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Embodiment 5
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6683.5%, carbon nanotube 5%, compatible toughening agents 6.25%, nano imvite 3.75%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is a polypropylene grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66 (German BASF Co., Ltd), 5% carbon nanotube of gross weight 12.5% earlier, 3.75% compatible toughening agents and 3.75% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 25%, be designated as PA66MBs-5; The master batch PA66MBs-5 that accounts for gross weight 25% that will make then and 71% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 2.5% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Embodiment 6
A kind of conduction nylon 66, the weight percent of its each component is: nylon 6680.5%, carbon nanotube 4%, compatible toughening agents 10.25%, nano imvite 3.75%, oxidation inhibitor 0.5%, nucleator 0.5%, lubricant 0.5%.
Described nylon 66 material viscosity is 2.8 polyamide resin (German BASF Co., Ltd).Described carbon nanotube is a multi-walled carbon nano-tubes, and mean outside diameter is 11nm, and mean length is 11 μ m, and purity is greater than 95%.Described nano imvite particle diameter is 80nm.Described compatible toughening agents is a polypropylene grafted maleic anhydride, and percentage of grafting is more than or equal to 0.9% (the friendly auxiliary agent chemical industry in Nanjing limited liability company).Described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (Milan, Nanjing chemical industry company limited).Described nucleator is a talcum powder, and particle diameter is about 1250 orders (the sincere company limited in sky, Guilin).Described lubricant is ethylene acrylic acid co polymer (EAA, a Honeywell Inc).
A kind of preparation method of conducting electricity nylon 66, concrete steps are: will account for the dry nylon 66 (German BASF Co., Ltd), 4% carbon nanotube of gross weight 13.5% earlier, 3.75% compatible toughening agents and 3.75% nano imvite mixes, extrude with Banbury mixer or twin screw extruder and to make the master batch that accounts for gross weight 25%, be designated as PA66MBs-6; The master batch PA66MBs-6 that accounts for gross weight 25% that will make then and 67% dry nylon 66,0.5% oxidation inhibitor, 0.5% nucleator, 0.5% lubricant and 6.5% compatible toughening agents are in high-speed mixer and mixing; Add in the twin screw extruder by main spout at last and extrude, cross water cooling, granulation is also dry, and extrusion temperature is 260 ℃.
The parameters test result of the conduction nylon 66 that this embodiment provided sees Table 1.
Each embodiment parameter testing result of table 1
Shown in last table 1, conduction nylon 66 its preparation methods provided by the present invention are simple, easy to operate; The conduction nylon 66 material of gained not only has excellent conductivity, and mechanical property is greatly improved.
Claims (10)
- One kind the conduction nylon 66 material, it is characterized in that each component that is comprised and the weight percent of each component are:Nylon 6680%-95%;Carbon nanotube 1%-10%;Nano imvite 1%-15%;Compatible toughening agents 1%-10.5%;Oxidation inhibitor 0.3%-1%;Nucleator 0.3%-1%;Lubricant 0.3%-1%.
- 2. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that the preferred weight percent of each component that is comprised is:Nylon 66 80%-95%;Carbon nanotube 1%-10%;Nano imvite 2%-8%;Compatible toughening agents 1%-8%;Oxidation inhibitor 0.3%-0.5%;Nucleator 0.3%-0.5%;Lubricant 0.3%-0.5%.
- 3. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that, described nylon 66 material is the polyamide resin of range of viscosities between 2.5-3.2.
- 4. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that described carbon nanotube is a multi-walled carbon nano-tubes, and external diameter is 10-12nm, and length is 10-12 μ m, and purity is greater than 95%.
- 5. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that described nano imvite particle diameter is about 60-100nm.
- 6. a kind of conduction nylon 66 material as claimed in claim 1, it is characterized in that described compatible toughening agents is that percentage of grafting is for more than or equal to polyethylene-octene copolymer grafted maleic anhydride of 0.9% more than or equal to 0.9% polypropylene grafted maleic anhydride or percentage of grafting.
- 7. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that described oxidation inhibitor is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine.
- 8. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that described nucleator is a talcum powder, and particle diameter is 1250 orders.
- 9. a kind of conduction nylon 66 material as claimed in claim 1 is characterized in that described lubricant is an ethylene acrylic acid co polymer.
- 10. one kind conducts electricity the preparation method of nylon 66 material, and each component of this conduction nylon 66 material and the weight percent of each component are:Nylon 66 80%-95%;Carbon nanotube 1%-10%;Nano imvite 1%-15%;Compatible toughening agents 1%-10.5%;Oxidation inhibitor 0.3%-1%;Nucleator 0.3%-1%;Lubricant 0.3%-1%,It is characterized in that the preparation method is:(1) with carbon nanotube, nano imvite and account for the compatible toughening agents of gross weight 0.5%-3.75%, the nylon 66 material of 5%-20% mixes, with Banbury mixer or prepared in twin-screw extruder master batch;(2) master batch that step (1) is obtained and remaining nylon 66 and compatible toughening agents and oxidation inhibitor, nucleator and mix lubricant are extruded through twin screw extruder.
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| CN101974179A (en) * | 2010-11-02 | 2011-02-16 | 华东理工大学 | High-conductivity composite material and preparation method thereof |
| CN102093705A (en) * | 2011-01-31 | 2011-06-15 | 上海金发科技发展有限公司 | High fatigue resistance glass fiber reinforced nylon material and preparation method thereof |
| CN102382468A (en) * | 2011-09-28 | 2012-03-21 | 深圳市科聚新材料有限公司 | Carbon nano tube reinforced polyphenylene sulfide material and preparation method thereof |
| CN102417727A (en) * | 2011-11-24 | 2012-04-18 | 上海日之升新技术发展有限公司 | High and low temperature-resistant cycling glass fiber reinforcement polyamide 66 (PA66) composite material and production method thereof |
| CN102532867A (en) * | 2010-12-17 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Conductive nylon material and preparation method thereof |
| CN102731994A (en) * | 2012-07-03 | 2012-10-17 | 金发科技股份有限公司 | Nylon composite, preparation method, application thereof and plastic product of nylon composite |
| CN102898831A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | High-flow injection molding grade nylon 66 and production process thereof |
| CN103304987A (en) * | 2012-03-16 | 2013-09-18 | 赢创德固赛有限公司 | Polyamide composition containing electrically conductive carbon |
| CN105542449A (en) * | 2016-02-04 | 2016-05-04 | 广东奇德新材料股份有限公司 | Preparation method of nylon 6 nanocomposite material |
| CN105566898A (en) * | 2016-02-04 | 2016-05-11 | 广东奇德新材料股份有限公司 | Nano nylon 6 composite material |
| CN105602245A (en) * | 2016-02-23 | 2016-05-25 | 广东思汗新材料有限公司 | Flame-retardant conductive nylon66 material and preparation method thereof |
| CN105885406A (en) * | 2016-06-12 | 2016-08-24 | 苏州昊顺塑胶有限公司 | High-strength and high-toughness modified nylon 66 composite material and preparation method thereof |
| CN106398205A (en) * | 2016-12-07 | 2017-02-15 | 佛山市飞时达新材料科技有限公司 | Preparation method of conductive nylon material |
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| CN101974179A (en) * | 2010-11-02 | 2011-02-16 | 华东理工大学 | High-conductivity composite material and preparation method thereof |
| CN102532867A (en) * | 2010-12-17 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Conductive nylon material and preparation method thereof |
| CN102093705A (en) * | 2011-01-31 | 2011-06-15 | 上海金发科技发展有限公司 | High fatigue resistance glass fiber reinforced nylon material and preparation method thereof |
| CN102382468A (en) * | 2011-09-28 | 2012-03-21 | 深圳市科聚新材料有限公司 | Carbon nano tube reinforced polyphenylene sulfide material and preparation method thereof |
| CN102382468B (en) * | 2011-09-28 | 2013-06-05 | 深圳市科聚新材料有限公司 | Carbon nano tube reinforced polyphenylene sulfide material and preparation method thereof |
| CN102417727A (en) * | 2011-11-24 | 2012-04-18 | 上海日之升新技术发展有限公司 | High and low temperature-resistant cycling glass fiber reinforcement polyamide 66 (PA66) composite material and production method thereof |
| CN103304987B (en) * | 2012-03-16 | 2017-08-11 | 赢创德固赛有限公司 | Daiamid composition containing conductive carbon |
| CN103304987A (en) * | 2012-03-16 | 2013-09-18 | 赢创德固赛有限公司 | Polyamide composition containing electrically conductive carbon |
| CN102731994A (en) * | 2012-07-03 | 2012-10-17 | 金发科技股份有限公司 | Nylon composite, preparation method, application thereof and plastic product of nylon composite |
| CN102898831A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | High-flow injection molding grade nylon 66 and production process thereof |
| CN105566898A (en) * | 2016-02-04 | 2016-05-11 | 广东奇德新材料股份有限公司 | Nano nylon 6 composite material |
| CN105542449A (en) * | 2016-02-04 | 2016-05-04 | 广东奇德新材料股份有限公司 | Preparation method of nylon 6 nanocomposite material |
| CN105602245A (en) * | 2016-02-23 | 2016-05-25 | 广东思汗新材料有限公司 | Flame-retardant conductive nylon66 material and preparation method thereof |
| CN105602245B (en) * | 2016-02-23 | 2018-01-26 | 广东思汗新材料有限公司 | Flame-retardant conductive nylon 66 material and preparation method thereof |
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Application publication date: 20101027 |