CN104761893A - Environment-friendly antistatic nylon composite material and preparation method thereof - Google Patents
Environment-friendly antistatic nylon composite material and preparation method thereof Download PDFInfo
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- CN104761893A CN104761893A CN201510190882.7A CN201510190882A CN104761893A CN 104761893 A CN104761893 A CN 104761893A CN 201510190882 A CN201510190882 A CN 201510190882A CN 104761893 A CN104761893 A CN 104761893A
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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
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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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
- C08L2201/04—Antistatic
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses an environment-friendly antistatic nylon composite material which is characterized in that the material is prepared from the following raw materials, by weight: 6-8 parts of silica, 4-5 parts of barite powder, 1-2 parts of polylactic acid, 1-2 parts of an antistatic agent JKW100, 3-5 parts of ethyl acetate amide, 0.5-1 part of oleamide, 0.3- 0.5 part of an antioxidant DNP, 90-100 parts of nylon 6, 2.5-3.2 parts of lithium chloride, 3-9 parts of epoxy resin E51, 10-15 parts of EVA emulsion, 60-80 parts of ethyl acetate, 1-3 parts of castor oil, 4-7 parts of ethylene/vinyl alcohol copolymer powder, and 15-30 parts of distilled water. According to the invention, the ethylene/vinyl alcohol copolymer is activated and coated on the surface of a reinforcement, such that the compatibility between the reinforcement and nylon 6 is enhanced, and the reduction of the mechanical performance of nylon 6 is avoided. With the added silica, the antistatic effect provided by the antistatic agent for nylon 6 is enhanced, and the strength and mechanical performance of the material are enhanced. With the added barite powder, the anti-radiation characteristic of an obtained product is improved, such that the material is safe and environmentally friendly.
Description
Technical field
The present invention relates to a kind of environmental protection type antistatic nylon composite materials and preparation method thereof, belong to nylon production technical field.
Background technology
Rubber tube of automobile fuel oil comprises fuel oil output tube and to the fuelpipe of engine supply fuel, is safety member important in auto parts, proposes more and more higher requirement at the automobile emission regulation of increasingly stringent to fuelpipe material.Nylon has erosion resistance, ageing-resistant, any surface finish and is easy to the advantages such as assembling, and density and cost are all low than metal, easily installs simultaneously, conveniently arrange on car load, and can effectively reduce complete vehicle weight and cost because nylon itself is soft.But adopt nylon material to be that in use fuel oil and fuel tank shell, fuel oil and fuel feed pipe, severe friction between fuel oil and fuel filling pipeline all can produce a large amount of static charge and may occur the local accumulation of static charge as the shortcoming of sebific duct, the static charge accumulation macro-energy spark produced that discharges to a certain extent very likely puts fuel vapor in fuel tank, cause deflagration accident having, the harm humans security of the lives and property.
Nylon 6 is a kind of widely used engineering plastics, there is excellent over-all properties, but also exist that strong alkali-acid resistance is poor, dry state and the shortcoming such as low temperature impact strength is low, water-intake rate is large, and the processing temperature of nylon 6 is higher, improve production cost, high to the requirement of production unit, be unfavorable for scale operation.The low melting point nylon 6 sold in the market is mainly prepared by the method for synthesis by external company, there is complete processing complexity in the method, the shortcomings such as cost is higher, and the domestic research to low melting point is also in laboratory stage, be difficult to realize industrialization scale operation, therefore the nylon 6 obtaining low melting point by modification is emphasis of current research, it has many premium propertiess, but also there is shock strength difference, the shortcomings such as resistance toheat difference, therefore also need by filling on the basis of low melting point nylon 6 matrix, strengthen, copolymerization, the method modification low melting point nylon 6 such as blended, increase the popularity of application.
Summary of the invention
The object of this invention is to provide a kind of environmental protection type antistatic nylon composite materials and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of environmental protection type antistatic nylon composite materials, is made up of the raw material of following weight part: silicon-dioxide 6-8, ground barium sulfate 4-5, poly(lactic acid) 1-2, static inhibitor JKW1001-2, ethyl acetate acid amides 3-5, oleylamide 0.5-1, oxidation inhibitor DNP0.3-0.5, nylon 69 0-100, lithium chloride 2.5-3.2, epoxy resin E513-9, EVA emulsion 10-15, ethyl acetate 60-80, Viscotrol C 1-3, ethylene/vinyl alcohol copolymer powder 4-7, distilled water 15-30;
A kind of environmental protection type antistatic nylon composite materials of the present invention, be made up of following concrete steps:
(1) mixing of ethyl acetate, distilled water and EVA emulsion is added in ultrasonic wave, ultrasonic disperse is even, add silicon-dioxide and ground barium sulfate again in 80-90W ultrasonic disperse 10-15 minute, after end, mixture is heated to 70-90 ° of C and keeps 2-3 hour, stirring and refluxing in the process, then stops heating by product filtration, washing, dry for standby;
(2) mix after Viscotrol C thermal dehydration with ethylene/vinyl alcohol copolymer powder, under 180-200 ° of C, activation treatment 10-15 minute is carried out to the product of step (1), be cooled to room temperature after terminating for subsequent use;
(3) by Lithium chloride (anhydrous) and nylon 6 dry 7-8 hour under 120 ° of C and 80 ° C respectively, dried Lithium chloride (anhydrous), nylon 6 and epoxy resin E51 are mixed, be added to extruding pelletization in twin screw extruder again, heating and temperature control, at 180-240 ° of C, obtains modification of nylon 6 particle;
(4) particle of step (3), oleylamide and oxidation inhibitor DNP are added to the mixed 3-10 minute of heat in high-speed mixer, heating and temperature control, at 70-80 ° of C, obtains hot batch mixing;
(5) particle of step (4) is added in cold mixer, add material and all the other surplus materialss that step (1) obtains when temperature is reduced to room temperature, after being uniformly mixed 5-10 minute, transfer to that Heating temperature is 220-250 ° of C, screw speed is carry out melting mixing granulation in the twin screw extruder of 180-300 rev/min.
Advantage of the present invention is: the present invention adopts ethylene/vinyl alcohol copolymer to activate and is coated on reinforcement surface, add the consistency between reinforcement and nylon 6, avoid the reduction of the mechanical property of nylon 6 own, the silicon-dioxide added enhances the antistatic property of static inhibitor to nylon, and enhance intensity and the mechanical property of material, the ground barium sulfate added has the radiation-resistant characteristic of raising goods, safety and environmental protection.
specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of environmental protection type antistatic nylon composite materials, is made up of the raw material of following weight part (kilogram): silicon-dioxide 7, ground barium sulfate 5, poly(lactic acid) 1, static inhibitor JKW1002, ethyl acetate acid amides 3, oleylamide 0.6, oxidation inhibitor DNP0.4, nylon 69 7, lithium chloride 3, epoxy resin E516, EVA emulsion 15, ethyl acetate 80, Viscotrol C 2, ethylene/vinyl alcohol copolymer powder 6, distilled water 30;
A kind of environmental protection type antistatic nylon composite materials of the present invention, be made up of following concrete steps:
(1) mixing of ethyl acetate, distilled water and EVA emulsion is added in ultrasonic wave, ultrasonic disperse is even, add silicon-dioxide and ground barium sulfate again in 90W ultrasonic disperse 10 minutes, after end, mixture is heated to 90 ° of C and keeps 3 hours, stirring and refluxing in the process, then stops heating by product filtration, washing, dry for standby;
(2) mix after Viscotrol C thermal dehydration with ethylene/vinyl alcohol copolymer powder, under 190 ° of C, activation treatment is carried out 10 minutes to the product of step (1), be cooled to room temperature after terminating for subsequent use;
(3) by Lithium chloride (anhydrous) and nylon 6 under 120 ° of C and 80 ° C dry 8 hours respectively, dried Lithium chloride (anhydrous), nylon 6 and epoxy resin E51 are mixed, be added to extruding pelletization in twin screw extruder again, heating and temperature control, at 220 ° of C, obtains modification of nylon 6 particle;
(4) particle of step (3), oleylamide and oxidation inhibitor DNP are added to heat in high-speed mixer to mix 10 minutes, heating and temperature control, at 80 ° of C, obtains hot batch mixing;
(5) particle of step (4) is added in cold mixer, add material and all the other surplus materialss that step (1) obtains when temperature is reduced to room temperature, after being uniformly mixed 10 minutes, transfer to that Heating temperature is 240 ° of C, screw speed is carry out melting mixing granulation in the twin screw extruder of 250 revs/min.
In the present embodiment, the performance perameter of nylon composite materials is as follows:
Tensile strength (MPa): 88.1;
Flexural strength (MPa): 112.7;
Notched Izod impact strength (kJ/m2): 72.1;
Vicat softening temperature (° C): 73;
Volume specific resistance (Ω * cm): 3.8 × 10
13.
Claims (2)
1. an environmental protection type antistatic nylon composite materials, it is characterized in that, be made up of the raw material of following weight part: silicon-dioxide 6-8, ground barium sulfate 4-5, poly(lactic acid) 1-2, static inhibitor JKW1001-2, ethyl acetate acid amides 3-5, oleylamide 0.5-1, oxidation inhibitor DNP0.3-0.5, nylon 69 0-100, lithium chloride 2.5-3.2, epoxy resin E513-9, EVA emulsion 10-15, ethyl acetate 60-80, Viscotrol C 1-3, ethylene/vinyl alcohol copolymer powder 4-7, distilled water 15-30.
2. a kind of environmental protection type antistatic nylon composite materials according to claim 1, is characterized in that, be made up of following concrete steps:
(1) mixing of ethyl acetate, distilled water and EVA emulsion is added in ultrasonic wave, ultrasonic disperse is even, add silicon-dioxide and ground barium sulfate again in 80-90W ultrasonic disperse 10-15 minute, after end, mixture is heated to 70-90 ° of C and keeps 2-3 hour, stirring and refluxing in the process, then stops heating by product filtration, washing, dry for standby;
(2) mix after Viscotrol C thermal dehydration with ethylene/vinyl alcohol copolymer powder, under 180-200 ° of C, activation treatment 10-15 minute is carried out to the product of step (1), be cooled to room temperature after terminating for subsequent use;
(3) by Lithium chloride (anhydrous) and nylon 6 dry 7-8 hour under 120 ° of C and 80 ° C respectively, dried Lithium chloride (anhydrous), nylon 6 and epoxy resin E51 are mixed, be added to extruding pelletization in twin screw extruder again, heating and temperature control, at 180-240 ° of C, obtains modification of nylon 6 particle;
(4) particle of step (3), oleylamide and oxidation inhibitor DNP are added to the mixed 3-10 minute of heat in high-speed mixer, heating and temperature control, at 70-80 ° of C, obtains hot batch mixing;
(5) particle of step (4) is added in cold mixer, add material and all the other surplus materialss that step (1) obtains when temperature is reduced to room temperature, after being uniformly mixed 5-10 minute, transfer to that Heating temperature is 220-250 ° of C, screw speed is carry out melting mixing granulation in the twin screw extruder of 180-300 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190882.7A CN104761893A (en) | 2015-04-22 | 2015-04-22 | Environment-friendly antistatic nylon composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510190882.7A CN104761893A (en) | 2015-04-22 | 2015-04-22 | Environment-friendly antistatic nylon composite material and preparation method thereof |
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| CN104761893A true CN104761893A (en) | 2015-07-08 |
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| CN201510190882.7A Pending CN104761893A (en) | 2015-04-22 | 2015-04-22 | Environment-friendly antistatic nylon composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594971A (en) * | 2022-11-02 | 2023-01-13 | 大韩高性能材料（广东）有限公司（Cn） | Process and manufacturing equipment for antistatic resin new material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408705A (en) * | 2011-09-22 | 2012-04-11 | 贵州凯科特材料有限公司 | Nylon 6 with high performance and low melting-point and preparation method thereof |
| CN103102679A (en) * | 2012-12-19 | 2013-05-15 | 上海秋橙新材料科技有限公司 | Antistatic wood flour-nylon 6 composite material and preparation method thereof |
| CN103589147A (en) * | 2013-10-29 | 2014-02-19 | 安徽安缆模具有限公司 | Impact-resistance nylon PA12 material for automobile connectors |
| CN103665590A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠市正园电子科技有限公司 | Rubber and nylon compound sealing gasket material and preparation method thereof |
| CN104292824A (en) * | 2014-09-30 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Polymer nano-modified nylon 11 composite material and preparation method thereof |
-
2015
- 2015-04-22 CN CN201510190882.7A patent/CN104761893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408705A (en) * | 2011-09-22 | 2012-04-11 | 贵州凯科特材料有限公司 | Nylon 6 with high performance and low melting-point and preparation method thereof |
| CN103102679A (en) * | 2012-12-19 | 2013-05-15 | 上海秋橙新材料科技有限公司 | Antistatic wood flour-nylon 6 composite material and preparation method thereof |
| CN103589147A (en) * | 2013-10-29 | 2014-02-19 | 安徽安缆模具有限公司 | Impact-resistance nylon PA12 material for automobile connectors |
| CN103665590A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠市正园电子科技有限公司 | Rubber and nylon compound sealing gasket material and preparation method thereof |
| CN104292824A (en) * | 2014-09-30 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Polymer nano-modified nylon 11 composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594971A (en) * | 2022-11-02 | 2023-01-13 | 大韩高性能材料（广东）有限公司（Cn） | Process and manufacturing equipment for antistatic resin new material |
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Application publication date: 20150708 |