CN104761890A - Cold-resistant and low-temperature-resistant nylon composite material and preparation method thereof - Google Patents
Cold-resistant and low-temperature-resistant nylon composite material and preparation method thereof Download PDFInfo
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- CN104761890A CN104761890A CN201510190790.9A CN201510190790A CN104761890A CN 104761890 A CN104761890 A CN 104761890A CN 201510190790 A CN201510190790 A CN 201510190790A CN 104761890 A CN104761890 A CN 104761890A
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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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Abstract
The invention discloses a cold-resistant and low-temperature-resistant nylon composite material which is characterized by being prepared from the following raw materials in parts by weight: 0.5-1 part of epoxidized soybean oil, 0.2-0.4 part of an antioxidant 1010, 7-9 parts of stalactite powder, 2-3 parts of trioctyl trimellitate, 0.5-1 part of oxystearic acid, 4-5 parts of sulfur powder, 1-2 parts of polyvinyl pyrrolidone, 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 (ethylene vinyl acetate) 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. The nylon composite material disclosed by the invention adopts ethylene/vinyl alcohol copolymer covering the surface of a reinforcement to ensure that the compatibility between the reinforcement and the nylon 6 is increased and the reduction of the mechanical property of the nylon 6 is avoided, and an added plasticizer enhances the cold resistance of the nylon. The cold-resistant and low-temperature-resistant nylon composite material disclosed by the invention is convenient to process, is difficult to gather into clusters when diced into particles, has excellent low-temperature flexibility, is capable of prolonging the service life of plastics, and is low in raw material price, so that the manufacturing cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of cold-resistant low temperature resistant nylon matrix material and preparation method thereof, belong to nylon production technical field.
Background technology
China is large agricultural country, but populous, and per capita cultivated land is little, and in order to the demand people meeting market must realize the demand that 1 year several cultivated labor type meets market, in this process, booth is one of equipment meeting basic condition.Want the growth meeting crop, good humiture environment must be obtained, plastics film is indispensable material, but general plastics film is easily crisp or break at low temperatures, duration of service is not long, replaces and is inconvenient to lose time, and likely directly cause the property damage of the people, lose more than gain, good, the cold-resistant lower temperature resistance of snappiness be good, ageing-resistant so this just requires plastics film to have, light weight, requirement to human body and the aspect such as crop is nontoxic.
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 cold-resistant low temperature resistant nylon matrix material and preparation method thereof to solve nylon and easily split easily crisp at low temperatures, the problem do not grown work-ing life.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of cold-resistant low temperature resistant nylon matrix material, is made up of the raw material of following weight part: epoxy soybean oil 0.5-1, antioxidant 1010 0.2-0.4, Stalactitum powder 7-9, trioctyl trimellitate 2-3, oxystearic acid 0.5-1, SULPHUR POWDER 4-5, polyvinylpyrrolidone 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;
One of the present invention resists cold low temperature resistant nylon matrix material, is 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 Stalactitum powder and SULPHUR POWDER 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), oxystearic acid and antioxidant 1010 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 be coated on reinforcement surface, add the consistency between reinforcement and nylon 6, avoid the reduction of the mechanical property of nylon 6 own, the softening agent added enhances the cold tolerance of nylon, the present invention is easy to process, pelletizing is not easily assembled agglomerating, has excellent low-temperature flexibility, adds the work-ing life of plastics, and the prices of raw and semifnished materials are cheap, greatly reduce cost of manufacture.
specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of cold-resistant low temperature resistant nylon matrix material, is made up of the raw material of following weight part (kilogram): epoxy soybean oil 0.8, antioxidant 1010 0.4, Stalactitum powder 7, trioctyl trimellitate 2, oxystearic acid 0.7, SULPHUR POWDER 4, polyvinylpyrrolidone 2, 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;
One of the present invention resists cold low temperature resistant nylon matrix material, it is characterized in that, is 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 Stalactitum powder and SULPHUR POWDER 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), oxystearic acid and antioxidant 1010 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): 78.9;
Flexural strength (MPa): 104.2;
Notched Izod impact strength (kJ/m2): 84.1;
Vicat softening temperature (° C): 73;
Elongation at break (%): 65.
Claims (2)
1. a cold-resistant low temperature resistant nylon matrix material, it is characterized in that, be made up of the raw material of following weight part: epoxy soybean oil 0.5-1, antioxidant 1010 0.2-0.4, Stalactitum powder 7-9, trioctyl trimellitate 2-3, oxystearic acid 0.5-1, SULPHUR POWDER 4-5, polyvinylpyrrolidone 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 cold-resistant low temperature resistant 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 Stalactitum powder and SULPHUR POWDER 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), oxystearic acid and antioxidant 1010 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 |
|---|---|---|---|
| CN201510190790.9A CN104761890A (en) | 2015-04-22 | 2015-04-22 | Cold-resistant and low-temperature-resistant nylon composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510190790.9A CN104761890A (en) | 2015-04-22 | 2015-04-22 | Cold-resistant and low-temperature-resistant nylon composite material and preparation method thereof |
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| CN104761890A true CN104761890A (en) | 2015-07-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469126A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | Copolymerization nylon composition and preparation thereof |
| 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 |
| CN102993708A (en) * | 2012-10-19 | 2013-03-27 | 芜湖市鑫海橡塑制品有限责任公司 | Chlorosulfonated polyethylene modified nylon polyamide 6 (PA6) material for automobile oil pipe, and preparation method of chlorosulfonated polyethylene modified nylon PA6 material |
| 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 |
| CN103642225A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Wear-resistant polyethylene modified nylon 66 material for automobile plastic members |
| 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 |
-
2015
- 2015-04-22 CN CN201510190790.9A patent/CN104761890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469126A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | Copolymerization nylon composition and preparation thereof |
| 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 |
| CN102993708A (en) * | 2012-10-19 | 2013-03-27 | 芜湖市鑫海橡塑制品有限责任公司 | Chlorosulfonated polyethylene modified nylon polyamide 6 (PA6) material for automobile oil pipe, and preparation method of chlorosulfonated polyethylene modified nylon PA6 material |
| 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 |
| CN103642225A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Wear-resistant polyethylene modified nylon 66 material for automobile plastic members |
| 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 |
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Application publication date: 20150708 |
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