CN106009386A - Anti-sunburn plastic casing material and preparation method thereof - Google Patents
Anti-sunburn plastic casing material and preparation method thereof Download PDFInfo
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- CN106009386A CN106009386A CN201610457555.8A CN201610457555A CN106009386A CN 106009386 A CN106009386 A CN 106009386A CN 201610457555 A CN201610457555 A CN 201610457555A CN 106009386 A CN106009386 A CN 106009386A
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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 an anti-sunburn plastic casing material. The anti-sunburn plastic casing material is prepared from raw materials in parts by weight as follows: 0.2-0.3 parts of an ultraviolet light absorber UV-329, 3-4 parts of carbon nanotubes, 40-50 parts of sulfoxide chloride, 3-5 parts of N,N-dimethylformamide, 100-120 parts of ethylenediamine, 16-20 parts of melamine, 36-40 parts of a 35%-37% formaldehyde water solution, 170-200 parts of polyvinyl chloride, 20-30 parts of 75wt%-80wt% sulfuric acid, 30-40 parts of 95wt%-98wt% nitric acid, 2-4 parts of didoctyl dimethyl ammonium bromide, 5-7 parts of antimonous oxide, 4-6 parts of oleic acid polyoxyethylene ester, 20-30 parts of polyvinylidene fluoride, 10-12 parts of butyl methacrylate, 3-4 parts of mannitol and 10-14 parts of dihydrate gypsum powder. The ultraviolet light absorber UV is added, the surface sunburn resistance of a plastic casing can be effectively improved, the plastic casing can adapt to the working environment under sunlight for a long time, and the corrosion resistance of the casing is improved.
Description
Technical field
The present invention relates to plastics-production field, particularly relate to a kind of Sun-proof 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 Sun-proof plastic housing material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of Sun-proof plastic housing material, it is made up of the raw material of following weight parts:
UV absorbent UV-3290.2-0.3, CNT 3-4, thionyl chloride 40-50, DMF 3-5, ethylenediamine 100-120, the formalin 36-40 of tripolycyanamide 16-20,35-37%, the nitric acid 30-40 of sulphuric acid 20-30,95-98wt% of polrvinyl chloride 170-200,75-80wt%, double decyl dimethyl ammonium bromide 2-4, antimony oxide 5-7, polyoxyethylene oleic acid ester 4-6, Kynoar 20-30, butyl methacrylate 10-12, mannitol 3-4, dihydrate gypsum powder 10-14.
The preparation method of a kind of described Sun-proof 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 pair of decyl dimethyl ammonium bromide is joined in 3-5 times of deionized water, add mannitol, insulated and stirred 5-10 minute at 70-76 DEG C, add above-mentioned dihydrate gypsum powder, stir and do to water, obtain Gypsum Fibrosum emulsion；
(3) 20-30% of above-mentioned Kynoar weight is taken, mix with polyoxyethylene oleic acid ester, stir, join in the dehydrated alcohol of compound weight 3-4 times, insulated and stirred 3-5 minute at 70-76 DEG C, mixing with above-mentioned Gypsum Fibrosum emulsion, add above-mentioned UV absorbent UV-329,100-170 rev/min is stirred 10-14 minute, add remaining dihydrate gypsum powder, sucking filtration, is dried filter cake 30-40 minute at 70-80 DEG C, obtains Sun-proof auxiliary agent；
(4) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, 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；
(5) joining in 2-3 times of dehydrated alcohol by remaining Kynoar, insulated and stirred 2-3 minute in the oil bath of 110-120 DEG C, discharging cools down, mixes with butyl methacrylate, stir, obtain plasticising alcohol liquid；
(6) 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, mixes filter cake with above-mentioned Sun-proof auxiliary agent, stirs, vacuum drying, obtains amination CNT；
(7) 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, 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；
(8) above-mentioned carbon nano-tube modification melamine resin is mixed with plasticising alcohol liquid, stirring mixing 20-30 minute at 50-60 DEG C, add and remain the mixing of each raw material, stir, feeding double screw extruder melt extrudes, and 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；
Present invention adds UV absorbent UV, can effectively improve the surface Sun-proof of cabinet, meet long-term working environment in the sunlight, improve the anti-corrosive properties of shell.
Detailed description of the invention
A kind of Sun-proof plastic housing material, it is made up of the raw material of following weight parts:
UV absorbent UV, CNT 3, thionyl chloride 40, DMF 3, ethylenediamine 100, the formalin 36 of tripolycyanamide 16,35%, polrvinyl chloride 170, the sulphuric acid 20 of 75wt%, the nitric acid 30 of 95wt%, double decyl dimethyl ammonium bromide 2, antimony oxide 5, polyoxyethylene oleic acid ester 4, Kynoar 20, butyl methacrylate 10, mannitol 3, dihydrate gypsum powder 10.
The preparation method of a kind of described Sun-proof 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 pair of decyl dimethyl ammonium bromide is joined in 3 times of deionized waters, add mannitol, insulated and stirred 5 minutes at 70 DEG C, add above-mentioned dihydrate gypsum powder, stir and do to water, obtain Gypsum Fibrosum emulsion；
(3) the 20% of above-mentioned Kynoar weight is taken, mix with polyoxyethylene oleic acid ester, stir, join in the dehydrated alcohol of compound weight 3 times, insulated and stirred 3 minutes at 70 DEG C, mixing with above-mentioned Gypsum Fibrosum emulsion, add above-mentioned UV absorbent UV, 100 revs/min are stirred 10 minutes, add remaining dihydrate gypsum powder, sucking filtration, is dried filter cake 30 minutes at 70 DEG C, obtains Sun-proof auxiliary agent；
(4) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, 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；
(5) being joined by remaining Kynoar in 2 times of dehydrated alcohol, insulated and stirred 2 minutes in the oil bath of 110 DEG C, discharging cools down, and mixes with butyl methacrylate, stirs, obtains plasticising alcohol liquid；
(6) 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, mixes filter cake with above-mentioned Sun-proof auxiliary agent, stirs, vacuum drying, obtains amination CNT；
(7) 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, 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；
(8) being mixed with plasticising alcohol liquid by above-mentioned carbon nano-tube modification melamine resin, stirring mixing 20 minutes at 50 DEG C, add and remain the mixing of each raw material, 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: 21.4MPa；
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 (%)-8.2；
Extension at break rate of change (%)-7.2.
Claims (2)
1. a Sun-proof plastic housing material, it is characterised in that it is made up of the raw material of following weight parts:
UV absorbent UV-3290.2-0.3, CNT 3-4, thionyl chloride 40-50, DMF 3-5, ethylenediamine 100-120, the formalin 36-40 of tripolycyanamide 16-20,35-37%, the nitric acid 30-40 of sulphuric acid 20-30,95-98wt% of polrvinyl chloride 170-200,75-80wt%, double decyl dimethyl ammonium bromide 2-4, antimony oxide 5-7, polyoxyethylene oleic acid ester 4-6, Kynoar 20-30, butyl methacrylate 10-12, mannitol 3-4, dihydrate gypsum powder 10-14.
2. the preparation method of a Sun-proof 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 pair of decyl dimethyl ammonium bromide is joined in 3-5 times of deionized water, add mannitol, insulated and stirred 5-10 minute at 70-76 DEG C, add above-mentioned dihydrate gypsum powder, stir and do to water, obtain Gypsum Fibrosum emulsion；
(3) 20-30% of above-mentioned Kynoar weight is taken, mix with polyoxyethylene oleic acid ester, stir, join in the dehydrated alcohol of compound weight 3-4 times, insulated and stirred 3-5 minute at 70-76 DEG C, mixing with above-mentioned Gypsum Fibrosum emulsion, add above-mentioned UV absorbent UV-329,100-170 rev/min is stirred 10-14 minute, add remaining dihydrate gypsum powder, sucking filtration, is dried filter cake 30-40 minute at 70-80 DEG C, obtains Sun-proof auxiliary agent；
(4) above-mentioned thionyl chloride is mixed with DMF, stir, add above-mentioned acidifying CNT, 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；
(5) joining in 2-3 times of dehydrated alcohol by remaining Kynoar, insulated and stirred 2-3 minute in the oil bath of 110-120 DEG C, discharging cools down, mixes with butyl methacrylate, stir, obtain plasticising alcohol liquid；
(6) 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, mixes filter cake with above-mentioned Sun-proof auxiliary agent, stirs, vacuum drying, obtains amination CNT；
(7) 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, 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；
(8) above-mentioned carbon nano-tube modification melamine resin is mixed with plasticising alcohol liquid, stirring mixing 20-30 minute at 50-60 DEG C, add and remain the mixing of each raw material, stir, feeding double screw extruder melt extrudes, and the product of extrusion, through circulator bath cooling and pelletizing, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457555.8A CN106009386A (en) | 2016-06-22 | 2016-06-22 | Anti-sunburn plastic casing material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610457555.8A CN106009386A (en) | 2016-06-22 | 2016-06-22 | Anti-sunburn plastic casing material and preparation method thereof |
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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 |
-
2016
- 2016-06-22 CN CN201610457555.8A patent/CN106009386A/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 |
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Application publication date: 20161012 |