CN106009385A - Nylon blended plastic casing material and preparation method thereof - Google Patents
Nylon blended plastic casing material and preparation method thereof Download PDFInfo
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- CN106009385A CN106009385A CN201610457503.0A CN201610457503A CN106009385A CN 106009385 A CN106009385 A CN 106009385A CN 201610457503 A CN201610457503 A CN 201610457503A CN 106009385 A CN106009385 A CN 106009385A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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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Abstract
The invention discloses a nylon blended plastic casing material. The material is prepared from raw materials in parts by weight as follows: 16-20 parts of melamine, 100-120 parts of ethylenediamine, 5-7 parts of polyisoprene, 1-2 parts of sodium potassium tartrate tetrahydrate, 3-4 parts of carbon nanotubes, 40-50 parts of thionyl chloride, 3-5 parts of N,N-dimethylformamide, 160-210 parts of polyvinyl chloride, 20-30 parts of 75wt%-80wt% sulfuric acid, 30-40 parts of 95wt%-98wt% nitric acid, 40-50 parts of nylon PA66, 10-13 parts of dioctyl sebacate, 3-4 parts of lauryl mercaptan, 6-10 parts of polyamide wax micro-powder, 30-40 parts of quartz sand and 36-40 parts of a 35%-37% formalin. According to a plastic casing, polyvinyl chloride and nylon are blended, so that the surface hardness, resistance, waterproof performance and acid and alkali resistance of the finished casing product are further improved.
Description
Technical field
The present invention relates to plastics-production field, particularly relate to a kind of nylon blending plastic housing material and preparation method thereof.
Background technology
CNT has mechanical property and the self lubricity of excellence, as packing material, it is scattered in PVC base system if can all hook, and forms good interface compatibility between energy and PVC base system, then can be effectively improved mechanical property and the frictional behaviour of PVC base system.But, owing to the surface of CNT can be big with specific surface area, cause CNT easily to be reunited;Meanwhile, carbon nano tube surface presents the strongest nonpolar so that it is insoluble in any solvent and polymer.Therefore, in order to improve CNT dispersibility in polymeric matrix, strengthen the interface compatibility between CNT and polymeric matrix, need to introduce functional group in carbon nano tube surface, improve carbon nano tube surface activity.
At present, the research about functionalization is a lot, is concentrated mainly on CNT for polymer architecture and the impact of macro property.Many researchs are also own verified, the functionalization of CNT, effectively can introduce organo-functional group in carbon nano tube surface, the surface reducing CNT can, improve the agglomeration of CNT, improve CNT dispersibility in polymeric matrix, strengthen interfacial adhesion between the two.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of nylon blending plastic housing material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of nylon blending plastic housing material, it is made up of the raw material of following weight parts:
Tripolycyanamide 16-20, ethylenediamine 100-120, polyisoprene 5-7, sodium potassium tartrate tetrahydrate 1-2, CNT 3-4, thionyl chloride 40-50, DMF 3-5, the nitric acid 30-40 of sulphuric acid 20-30,95-98wt% of polrvinyl chloride 160-210,75-80wt%, nylon PA6640-50, di-n-octyl sebacate 10-13, lauryl mercaptan 3-4, polyamide wax micropowder 6-10, the formalin 36-40 of quartz sand 30-40,35-37%.
The preparation method of a kind of described nylon blending plastic housing material, comprises the following steps:
(1) nitric acid of the sulphuric acid of above-mentioned 75-80wt%, 95-98wt% is mixed, stir, add CNT, sonic oscillation 2-3 hour in the water bath with thermostatic control of 50-60 DEG C, add the deionized water dilution of system weight 8-10 times, insulation stands, after solution is layered, discard the supernatant, by lower floor's solution sucking filtration, filter cake is vacuum dried 10-13 hour at 80-90 DEG C, obtains acidifying CNT;
(2) above-mentioned polyisoprene is joined in the ethanol of 2-3 times of 30-40%, add lauryl mercaptan, insulated and stirred 10-16 minute at 70-80 DEG C, add the 16-20% of above-mentioned nylon PA66 weight, send in the oil bath of 130-140 DEG C, insulated and stirred 5-7 minute, discharging cools down, mix with di-n-octyl sebacate, stir, for modification of nylon;
(3) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, modification of nylon, insulated and stirred 20-24 hour in the water-bath of 70-75 DEG C, product anhydrous tetrahydro furan is washed, sucking filtration, vacuum drying, obtain chloride CNT;
(4) above-mentioned chloride CNT is mixed with ethylenediamine, insulated and stirred 46-50 hour in the oil bath of 100-105 DEG C, product dichloromethane and dehydrated alcohol are washed successively, sucking filtration, vacuum drying, obtain amination CNT;
(5) being joined in 6-10 times of deionized water by above-mentioned sodium potassium tartrate tetrahydrate, stir, add polyamide wax micropowder, rise high-temperature and be 60-65 DEG C, stirring mixing 10-20 minute, secure satisfactory grades sub-solution;
(6) by tripolycyanamide, the formalin of 35-37%, the mixing of amination CNT, insulated and stirred 10-20 minute at 70-75 DEG C, regulation PH is 8-9, insulation reaction 2-3 hour, adds above-mentioned macromolecular solution, stirs, it is placed in the vacuum drying oven of 30-35 DEG C, it is 5-6 except regulating PH with citric acid after water, solidifies 7-8 hour in the baking oven of 50-60 DEG C, obtain carbon nano-tube modification melamine resin;
(7) being mixed with remaining each raw material by above-mentioned carbon nano-tube modification melamine resin, stir, send into double screw extruder and melt extrude, the product of extrusion, through circulator bath cooling and pelletizing, to obtain final product.
The invention have the advantage that
The present invention processes CNT initially with nitration mixture, introduces oxy radical, so that the Hyarogen-bonding between CNT strengthens, reduces the winding state of CNT, improves its dispersibility;It is then passed through amination treatment, the surface energy of CNT can be reduced, eliminate its surface charge, improve the dispersibility of CNT, increase the interface binding power of itself and matrix;And by modified CNT and tripolycyanamide, formalin copolymerization melamine resin, the group of modified carbon nano tube surface can form hydrogen bond and other polar interaction with the amino in melamine resin, thus improve the heat-resistant stability of composite, play facilitation for improving finished product structure stability_intensity;
The cabinet of the present invention uses polrvinyl chloride and nylon blending, further increases the case hardness of finished shell, resistance, resistance to water, and resistance to acids and bases all gets a promotion.
Detailed description of the invention
A kind of nylon blending plastic housing material, it is made up of the raw material of following weight parts:
Tripolycyanamide 16, ethylenediamine 100, polyisoprene 5, sodium potassium tartrate tetrahydrate 1, CNT 3, thionyl chloride 40, DMF 3, polrvinyl chloride 160, the sulphuric acid 20 of 75wt%, the nitric acid 30 of 95wt%, nylon PA6640, di-n-octyl sebacate 10, lauryl mercaptan 3, polyamide wax micropowder 6, the formalin 36 of quartz sand 30,35%.
The preparation method of a kind of described nylon blending plastic housing material, comprises the following steps:
(1) nitric acid of the sulphuric acid of above-mentioned 75wt%, 95wt% is mixed, stir, add CNT, sonic oscillation 2 hours in the water bath with thermostatic control of 50 DEG C, add the deionized water dilution of system weight 8 times, insulation stands, after solution is layered, discard the supernatant, by lower floor's solution sucking filtration, filter cake is vacuum dried 10 hours at 80 DEG C, obtains acidifying CNT;
(2) above-mentioned polyisoprene is joined in the ethanol of 2 times 30%, add lauryl mercaptan, insulated and stirred 10 minutes at 70 DEG C, add the 16% of above-mentioned nylon PA66 weight, send in the oil bath of 130 DEG C, insulated and stirred 5 minutes, discharging cools down, mix with di-n-octyl sebacate, stir, for modification of nylon;
(3) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, modification of nylon, insulated and stirred 20 hours in the water-bath of 70 DEG C, product anhydrous tetrahydro furan is washed, sucking filtration, vacuum drying, obtain chloride CNT;
(4) above-mentioned chloride CNT is mixed with ethylenediamine, insulated and stirred 46 hours in the oil bath of 100 DEG C, product dichloromethane and dehydrated alcohol are washed successively, sucking filtration, vacuum drying, obtain amination CNT;
(5) being joined in 6 times of deionized waters by above-mentioned sodium potassium tartrate tetrahydrate, stir, add polyamide wax micropowder, rising high-temperature is 60 DEG C, and stirring mixing 10 minutes, secure satisfactory grades sub-solution;
(6) by tripolycyanamide, the formalin of 35%, the mixing of amination CNT, insulated and stirred 10 minutes at 70 DEG C, regulation PH is 8, insulation reaction 2 hours, adds above-mentioned macromolecular solution, stirs, it is placed in the vacuum drying oven of 30 DEG C, it is 5 except regulating PH with citric acid after water, solidifies 7 hours in the baking oven of 50 DEG C, obtain carbon nano-tube modification melamine resin;
(7) being mixed with remaining each raw material by above-mentioned carbon nano-tube modification melamine resin, stir, send into double screw extruder and melt extrude, the product of extrusion, through circulator bath cooling and pelletizing, to obtain final product.
Performance test:
Hot strength: 21.6MPa;
Low temperature brittleness impact temperature (DEG C) :-30 DEG C are passed through;
Fire-retardant rank: V-0;
After 100 DEG C × 240h hot air aging: hot strength rate of change (%)-7.6;
Extension at break rate of change (%)-7.8.
Claims (2)
1. a nylon blending plastic housing material, it is characterised in that it is made up of the raw material of following weight parts:
Tripolycyanamide 16-20, ethylenediamine 100-120, polyisoprene 5-7, sodium potassium tartrate tetrahydrate 1-2, CNT 3-4, thionyl chloride 40-50, DMF 3-5, the nitric acid 30-40 of sulphuric acid 20-30,95-98wt% of polrvinyl chloride 160-210,75-80wt%, nylon PA6640-50, di-n-octyl sebacate 10-13, lauryl mercaptan 3-4, polyamide wax micropowder 6-10, the formalin 36-40 of quartz sand 30-40,35-37%.
2. the preparation method of a nylon blending plastic housing material as claimed in claim 1, it is characterised in that comprise the following steps:
(1) nitric acid of the sulphuric acid of above-mentioned 75-80wt%, 95-98wt% is mixed, stir, add CNT, sonic oscillation 2-3 hour in the water bath with thermostatic control of 50-60 DEG C, add the deionized water dilution of system weight 8-10 times, insulation stands, after solution is layered, discard the supernatant, by lower floor's solution sucking filtration, filter cake is vacuum dried 10-13 hour at 80-90 DEG C, obtains acidifying CNT;
(2) above-mentioned polyisoprene is joined in the ethanol of 2-3 times of 30-40%, add lauryl mercaptan, insulated and stirred 10-16 minute at 70-80 DEG C, add the 16-20% of above-mentioned nylon PA66 weight, send in the oil bath of 130-140 DEG C, insulated and stirred 5-7 minute, discharging cools down, mix with di-n-octyl sebacate, stir, for modification of nylon;
(3) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, modification of nylon, insulated and stirred 20-24 hour in the water-bath of 70-75 DEG C, product anhydrous tetrahydro furan is washed, sucking filtration, vacuum drying, obtain chloride CNT;
(4) above-mentioned chloride CNT is mixed with ethylenediamine, insulated and stirred 46-50 hour in the oil bath of 100-105 DEG C, product dichloromethane and dehydrated alcohol are washed successively, sucking filtration, vacuum drying, obtain amination CNT;
(5) being joined in 6-10 times of deionized water by above-mentioned sodium potassium tartrate tetrahydrate, stir, add polyamide wax micropowder, rise high-temperature and be 60-65 DEG C, stirring mixing 10-20 minute, secure satisfactory grades sub-solution;
(6) by tripolycyanamide, the formalin of 35-37%, the mixing of amination CNT, insulated and stirred 10-20 minute at 70-75 DEG C, regulation PH is 8-9, insulation reaction 2-3 hour, adds above-mentioned macromolecular solution, stirs, it is placed in the vacuum drying oven of 30-35 DEG C, it is 5-6 except regulating PH with citric acid after water, solidifies 7-8 hour in the baking oven of 50-60 DEG C, obtain carbon nano-tube modification melamine resin;
(7) being mixed with remaining each raw material by above-mentioned carbon nano-tube modification melamine resin, stir, send into double screw extruder and melt extrude, the product of extrusion, through circulator bath cooling and pelletizing, to obtain final product.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107227018A (en) * | 2017-05-27 | 2017-10-03 | 清远初曲智能科技有限公司 | A kind of carbon nano-tube modification nylon fire proofing and preparation method thereof |
CN107629445A (en) * | 2017-09-13 | 2018-01-26 | 苏州聚慧邦新材料科技有限公司 | A kind of fire-retardant nylon material and preparation method thereof |
CN113683843A (en) * | 2021-08-24 | 2021-11-23 | 安徽鸿森塑业科技股份有限公司 | Anti-aging plastic purse seine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101104725A (en) * | 2006-07-12 | 2008-01-16 | 同济大学 | Preparation method for high-performance epoxy resin composite material |
CN101508812A (en) * | 2009-03-24 | 2009-08-19 | 同济大学 | Process for producing high-strength high-ductility hard polyvinyl chloride |
CN104804159A (en) * | 2015-05-04 | 2015-07-29 | 芜湖市宝艺游乐科技设备有限公司 | Graphene oxide melamine resin and preparation method thereof |
-
2016
- 2016-06-22 CN CN201610457503.0A patent/CN106009385A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101104725A (en) * | 2006-07-12 | 2008-01-16 | 同济大学 | Preparation method for high-performance epoxy resin composite material |
CN101508812A (en) * | 2009-03-24 | 2009-08-19 | 同济大学 | Process for producing high-strength high-ductility hard polyvinyl chloride |
CN104804159A (en) * | 2015-05-04 | 2015-07-29 | 芜湖市宝艺游乐科技设备有限公司 | Graphene oxide melamine resin and preparation method thereof |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107227018A (en) * | 2017-05-27 | 2017-10-03 | 清远初曲智能科技有限公司 | A kind of carbon nano-tube modification nylon fire proofing and preparation method thereof |
CN107227018B (en) * | 2017-05-27 | 2018-05-11 | 清远初曲智能科技有限公司 | A kind of carbon nano-tube modification nylon fire proofing and preparation method thereof |
CN107629445A (en) * | 2017-09-13 | 2018-01-26 | 苏州聚慧邦新材料科技有限公司 | A kind of fire-retardant nylon material and preparation method thereof |
CN113683843A (en) * | 2021-08-24 | 2021-11-23 | 安徽鸿森塑业科技股份有限公司 | Anti-aging plastic purse seine |
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Application publication date: 20161012 |