CN104774453A - Reinforced nylon composite material and preparation method thereof - Google Patents
Reinforced nylon composite material and preparation method thereof Download PDFInfo
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- CN104774453A CN104774453A CN201510191502.1A CN201510191502A CN104774453A CN 104774453 A CN104774453 A CN 104774453A CN 201510191502 A CN201510191502 A CN 201510191502A CN 104774453 A CN104774453 A CN 104774453A
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- nylon
- ethylene
- vinyl alcohol
- alcohol copolymer
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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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a reinforced nylon composite material. The composite material is characterized by being prepared from the following raw materials in parts by weight: 7-9 parts of nano silicon carbide, 0.2-0.3 part of an antioxidant CA, 0.5-1 part of barium laurate soap, 1-2 parts of a calcium-zinc stabilizer, 5-7 parts of titanium dioxide, 1-2 parts of sodium carboxymethylcellulose, 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 an 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. By activating an ethylene/vinyl alcohol copolymer and coating the ethylene/vinyl alcohol copolymer on the surface of reinforcement, the compatibility between the reinforcement and the nylon 6 is enhanced and the reduction in the mechanical performance of the nylon 6 is avoided; by adding the titanium dioxide, the whiteness and the acid resistance of the nylon material are enhanced, and the properties of the nano silicon carbide in reinforcing nylon intensity and the like are promoted; and the composite material is simple in operation process and suitable for industrial production.
Description
Technical field
The present invention relates to a kind of reinforced nylon matrix material and preparation method thereof, belong to nylon production technical field.
Background technology
Hood (also known as engine shield) is the most eye-catching bodywork component, one of parts that the person that is buying car often will watch.To the major requirement of hood be heat-insulating sound-insulating, sole mass is light, rigidity is strong.Because automobile is to miniaturization, lightweight development, engine room volume-diminished, temperature raises, require that the parts under hood are more high temperature resistant, toughness and hardness height combine, caloric deformation rate is low, and also have excellent surface smoothness and quick simple processing characteristics, general engineering plastics are difficult to reach these requirements.
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 reinforced nylon matrix material and preparation method thereof, adopt lithium chloride and nylon 6 complex reaction to obtain low melting point nylon 6, the epoxy resin of interpolation solves the problem that the low and vicat softening temperature of low melting point nylon 6 subsurface defect, mechanical property reduces.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of reinforced nylon matrix material, is made up of the raw material of following weight part: nanometer silicon carbide 7-9, antioxidant CA 0.2-0.3, barium laurate soap 0.5-1, calcium zinc stabilizer 1-2, titanium dioxide 5-7, Xylo-Mucine 1-2, 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 reinforced nylon matrix material 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 nanometer silicon carbide and titanium dioxide 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), antioxidant CA and barium laurate soap 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 titanium dioxide added can the performance of the aspect such as the whiteness of Reinforced Nylon material, acid resistance and promotion nanometer silicon carbide Reinforced Nylon intensity, and operating procedure is simple, is suitable for suitability for industrialized production.
specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of reinforced nylon matrix material, is made up of the raw material of following weight part (kilogram): nanometer silicon carbide 9, antioxidant CA 0.3, barium laurate soap 0.7, calcium zinc stabilizer 2, titanium dioxide 7, Xylo-Mucine 1, 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 reinforced nylon matrix material 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 nanometer silicon carbide and titanium dioxide again in 90W ultrasonic disperse 15 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), antioxidant CA and barium laurate soap 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): 92.3;
Flexural strength (MPa): 134.3;
Modulus in flexure (GPa): 14.5;
Notched Izod impact strength (kJ/m2): 87.1;
Vicat softening temperature (° C): 75.
Claims (2)
1. a reinforced nylon matrix material, it is characterized in that, be made up of the raw material of following weight part: nanometer silicon carbide 7-9, antioxidant CA 0.2-0.3, barium laurate soap 0.5-1, calcium zinc stabilizer 1-2, titanium dioxide 5-7, Xylo-Mucine 1-2, 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 reinforced nylon matrix material 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 nanometer silicon carbide and titanium dioxide 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), antioxidant CA and barium laurate soap 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 |
|---|---|---|---|
| CN201510191502.1A CN104774453A (en) | 2015-04-22 | 2015-04-22 | Reinforced nylon composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191502.1A CN104774453A (en) | 2015-04-22 | 2015-04-22 | Reinforced nylon composite material and preparation method thereof |
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| CN104774453A true CN104774453A (en) | 2015-07-15 |
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| CN201510191502.1A Pending CN104774453A (en) | 2015-04-22 | 2015-04-22 | Reinforced nylon composite material and preparation method thereof |
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Citations (7)
| 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 |
| CN102993725A (en) * | 2012-08-20 | 2013-03-27 | 安徽凯迪电气有限公司 | Wear-resisting nylon PA66 (Polyamide) composite material and preparation method thereof as well as application of composite material in automobile |
| CN103289382A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Barrier dustproof plastic for electronic product, 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 |
| CN103725013A (en) * | 2013-12-16 | 2014-04-16 | 芜湖万润机械有限责任公司 | Nylon mixed silica gel material for automobile damping |
| CN104017359A (en) * | 2014-06-19 | 2014-09-03 | 王茜南 | Nano-modified nylon material and preparation method thereof |
| CN104046003A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Low-temperature-resistant automobile nylon composite and preparation method thereof |
-
2015
- 2015-04-22 CN CN201510191502.1A patent/CN104774453A/en active Pending
Patent Citations (7)
| 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 |
| CN102993725A (en) * | 2012-08-20 | 2013-03-27 | 安徽凯迪电气有限公司 | Wear-resisting nylon PA66 (Polyamide) composite material and preparation method thereof as well as application of composite material in automobile |
| CN103289382A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Barrier dustproof plastic for electronic product, 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 |
| CN103725013A (en) * | 2013-12-16 | 2014-04-16 | 芜湖万润机械有限责任公司 | Nylon mixed silica gel material for automobile damping |
| CN104046003A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Low-temperature-resistant automobile nylon composite and preparation method thereof |
| CN104017359A (en) * | 2014-06-19 | 2014-09-03 | 王茜南 | Nano-modified nylon material and preparation method thereof |
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Application publication date: 20150715 |