CN105482443A - Polyurethane modified high-performance nylon tubular product - Google Patents
Polyurethane modified high-performance nylon tubular product Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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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- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C08L2203/18—Applications used for pipes
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Abstract
The invention discloses a polyurethane modified high-performance nylon tubular product. The raw materials of the polyurethane modified high-performance nylon tubular product comprise nylons, polyphenyl ethers, polylactic acids, polyurethanes, maleic anhydride grafted polyphenyl ethers, ethylene propylene diene monomers, modified carbon nanotubes, silicon carbide, aluminium oxide, halloysite nanotubes, aluminium nitride, boron nitride, silicon nitride, alkaline zinc carbonate nanofibers, nano-zinc oxide, lubricating agents, boric esters-type coupling reagents, antioxidants, bisphenol A-di(diphenyl phosphate), poly(aminopropylphenyl) silsesquioxane, dichloropentate and n-hexadecyltrimethylammoniumC. The polyurethane modified high-performance nylon tubular product is high in strength, excellent in heat resistant and flame retardance and excellent in impact resistance.
Description
Technical field
The present invention relates to nylon pipe technical field, particularly relate to a kind of polyurethane-modified high performance nylon tubing.
Background technology
Nylon is the thermoplastic resin general name containing recurring amide radical group on molecular backbone chain, its name is determined by the carbonatoms that synthon is concrete, it has superior physical strength, rigidity, toughness, mechanical shock absorption and wear resistance, replaces metal and thermosetting material to be widely used in automobile component at present gradually.Along with the development of automobile microminiaturization, some component of automobile are more and more less, accessory is but more and more intensive, thus limit the circulation of air, the heat so just causing automobile to produce is difficult to discharge in time, the temperature of some component will certainly be caused to raise, and this just has higher requirement to the resistance toheat of nylon material used.At present, simple nylon material can not meet the needs of society completely, often need to add properties-correcting agent and carry out modification to it, wherein, inorganic materials is the properties-correcting agent that nylon is conventional, but the interface binding power between inorganic materials and nylon is lower, inorganic materials added to after in nylon, often reduce the shock resistance of gained matrix material, nylon is as organic materials simultaneously, there is flame retardant resistance is not equally good defect, thus limits the application of nylon pipe.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of polyurethane-modified high performance nylon tubing, its intensity is high, thermotolerance and good flame resistance, excellent shock resistance.
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 20-35 part, poly(lactic acid) 10-25 part, urethane 10-30 part, maleic anhydride graft polyphenylene oxide 3-8 part, terpolymer EP rubber 2-8 part, modified carbon nano-tube 15-30 part, silicon carbide 3-15 part, aluminum oxide 3-10 part, halloysite 2-10 part, aluminium nitride 3-8 part, boron nitride 2-8 part, silicon nitride 2-8 part, zinc subcarbonate nanofiber 2-10 part, nano zine oxide 2-10 part, lubricant 0.5-1.5 part, boric acid ester coupler 3-5 part, oxidation inhibitor 0.5-2 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 2-9 part, poly-aminopropyl phenyl silsesquioxane 5-12 part, dichloropentate 1-8 part, palmityl trimethyl ammonium chloride 2-8 part.
Preferably, in its raw material, the weight ratio of nylon, polyphenylene oxide, poly(lactic acid), urethane is 100:26-33:14-23:16-27.
Preferably, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 28-32 part, poly(lactic acid) 18-21 part, urethane 21-26 part, maleic anhydride graft polyphenylene oxide 4.6-5.3 part, terpolymer EP rubber 6.8-7 part, modified carbon nano-tube 21-26 part, silicon carbide 8-12 part, aluminum oxide 7-9 part, halloysite 5-6.5 part, aluminium nitride 6.2-7 part, boron nitride 5.5-7 part, silicon nitride 6-6.8 part, zinc subcarbonate nanofiber 7.2-8 part, nano zine oxide 5-6 part, lubricant 0.8-1.3 part, boric acid ester coupler 3.6-4.2 part, oxidation inhibitor 1-1.6 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.3-6 part, poly-aminopropyl phenyl silsesquioxane 8-10 part, dichloropentate 5.6-6.2 part, palmityl trimethyl ammonium chloride 5-7 part.
Preferably, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 30 parts, poly(lactic acid) 20 parts, urethane 25 parts, maleic anhydride graft polyphenylene oxide 5 parts, terpolymer EP rubber 7 parts, modified carbon nano-tube 23 parts, 10 parts, silicon carbide, 8 parts, aluminum oxide, halloysite 5.6 parts, aluminium nitride 6.7 parts, boron nitride 5.9 parts, silicon nitride 6.3 parts, zinc subcarbonate nanofiber 7.6 parts, nano zine oxide 5.3 parts, lubricant 1 part, boric acid ester coupler 4 parts, 1.3 parts, oxidation inhibitor, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.5 parts, poly-aminopropyl phenyl silsesquioxane 8.3 parts, dichloropentate 6 parts, palmityl trimethyl ammonium chloride 6 parts.
Preferably, described nylon is one or more the mixture in nylon 6, nylon66 fiber, nylon 12, nylon 11.
Preferably, described modified carbon nano-tube is prepared according to following technique: 1-2 part carbon nanotube, 1-2 part para-amino benzoic acid and 120-150 part polyphosphoric acid are mixed by weight, ultrasonic 20-35min, 100-120 DEG C is warming up to after passing into nitrogen, stir 1-2h, then add 10-20 part Vanadium Pentoxide in FLAKES, stirring reaction 10-25h, after reaction terminates, obtain acidifying carbon nanotube through filtration, washing, surname extraction, drying; By weight 5-15 part acidifying carbon nanotube is added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 2-5 part diphenylmethanediisocyanate is added, ultrasonic 20-35min, add 0.01-0.05 part dibutyl tin laurate, back flow reaction 5-10h, then add the caprolactam xylene solution that 20-35 part massfraction is 40-45%, back flow reaction 1-2.5h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
Preferably, described modified carbon nano-tube is prepared according to following technique: 1.3 parts of carbon nanotubes, 1.6 parts of para-amino benzoic acid and 140 parts of polyphosphoric acid are mixed by weight, ultrasonic 30min, 110 DEG C are warming up to after passing into nitrogen, stir 1.5h, then add 16 parts of Vanadium Pentoxide in FLAKESs, stirring reaction 20h, after reaction terminates, obtain acidifying carbon nanotube through filtration, washing, surname extraction, drying, by weight 10 parts of acidifying carbon nanotubes are added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 3.2 parts of diphenylmethanediisocyanates are added, ultrasonic 30min, add 0.035 part of dibutyl tin laurate, back flow reaction 8h, then add the caprolactam xylene solution that 30 parts of massfractions are 42%, back flow reaction 2h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates, wherein, in the preparation process of modified carbon nano-tube, have selected polyphosphoric acid and Vanadium Pentoxide in FLAKES weak acid system carries out acidifying to carbon nanotube, and with the addition of para-amino benzoic acid, thus at the surface grafting amino group of carbon nanotube, improve its dispersiveness in system, and the acidifying carbon nanotube structure obtained keeps complete, tube wall is smooth, after adding diphenylmethanediisocyanate afterwards, by controlling the condition of reaction, acidifying carbon nanotube and diphenylmethanediisocyanate is made to there occurs reaction, diphenylmethanediisocyanate is introduced on the surface of carbon nanotube, after adding caprolactam, isocyano and the amino of hexanolactam and carbon nano tube surface there occurs reaction, thus by diphenylmethanediisocyanate, caprolactam, para-amino benzoic acid has been incorporated in carbon nanotube, add after in system, because containing caprolactam, good with the consistency of system, the amino of adding wherein can form chemical bond with nylon, good interface interaction can be formed, thus modified carbon nano-tube is uniformly dispersed in system, and be covered by system, hinder the premature degradation of tubing, improve the thermostability of tubing, improve water tolerance and the physical strength of tubing simultaneously.
Preferably, described oxidation inhibitor is one or more the mixture in antioxidant 1010, antioxidant 1076, oxidation inhibitor 1098, oxidation inhibitor 425, antioxidant 2246, antioxidant 264.
Preferably, described lubricant is one or more the mixture in calcium pimelate, silicone, paraffin, polyethylene wax, pimelic acid zinc, calcium stearate.
Polyurethane-modified high performance nylon tubing of the present invention can nylon composite materials preparation technology conveniently be prepared from.
In the polyurethane-modified high performance nylon tubing of the present invention, take nylon as major ingredient, give the intensity of tubing excellence, rigidity and wear resistance, add appropriate polyphenylene oxide, poly(lactic acid) and urethane carry out modification to nylon, under the effect of maleic anhydride graft polyphenylene oxide and terpolymer EP rubber, polyphenylene oxide, the consistency of poly(lactic acid) and urethane and nylon is good, wherein, containing a large amount of benzene ring structures in polyphenylene oxide molecular chain, molecular chain rigidity is strong, physical strength is high, there is higher hardness and toughness, creep resistant is excellent, good stability of the dimension, in system with poly(lactic acid) and polyurethane formulation after, a large amount of projections is defined in system, can be withstood shocks when tubing is subject to impacting energy, improve the impact property of tubing, improve the tensile strength of tubing simultaneously, overcome the defect of nylon material thermotolerance and easy moisture absorption, the cooperation of modified carbon nano-tube, silicon carbide, aluminum oxide, halloysite, aluminium nitride, boron nitride, silicon nitride, zinc subcarbonate nanofiber and nano zine oxide adds in system, boric acid ester coupler and palmityl trimethyl ammonium chloride auxiliary under, good dispersity, improve the uv-shielding capacity of tubing, improve the flame retardant properties of tubing simultaneously, and boric acid ester coupler and palmityl trimethyl ammonium chloride create certain winding effect with organic macromolecule chain in system, improve shock strength and the flexural strain ability of tubing, dichloropentate has difficult combustion, easily from putting out, do not produce thick smoke and the characteristic such as molten drop, and environmentally safe, add after in system and dihydroxyphenyl propane-bis-(diphenyl phosphoester), poly-aminopropyl phenyl silsesquioxane and urethane have synergy, considerably reduce the heat release rate of tubing, overcome melting when tubing burns and drop down the phenomenon of dripping, with the modified carbon nano-tube in system, silicon carbide, aluminum oxide, halloysite, aluminium nitride, boron nitride, silicon nitride is worked in coordination with, while maintenance mechanical properties of tubular goods, improve flame retardant resistance and the thermotolerance of tubing, and serve the effect pressing down cigarette, improve the thermostability of tubing, halloysite is nano tubular structure, add in system, nylon molecules chain in system can by the passage in its nanotube, form space net structure, with modified carbon nano-tube, silicon carbide, aluminum oxide, aluminium nitride, boron nitride, silicon nitride, zinc subcarbonate nanofiber, nano zine oxide coordinates, there is the effect of heterogeneous nucleation, accelerate the crystallization rate of nylon, improve the nucleation rate of nylon, add the density of system, improve the thermal conductivity of system simultaneously, improve tensile strength of the present invention, flexural strength, shock strength, heat-drawn wire, creep resistance and uviolresistance.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 20 parts, poly(lactic acid) 25 parts, urethane 10 parts, maleic anhydride graft polyphenylene oxide 8 parts, terpolymer EP rubber 2 parts, modified carbon nano-tube 30 parts, 3 parts, silicon carbide, 10 parts, aluminum oxide, halloysite 2 parts, aluminium nitride 8 parts, boron nitride 2 parts, silicon nitride 8 parts, zinc subcarbonate nanofiber 2 parts, nano zine oxide 10 parts, lubricant 0.5 part, boric acid ester coupler 5 parts, 0.5 part, oxidation inhibitor, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 2 parts, poly-aminopropyl phenyl silsesquioxane 5 parts, dichloropentate 8 parts, palmityl trimethyl ammonium chloride 2 parts.
Embodiment 2
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: NYLON610 0 part, polyphenylene oxide 35 parts, poly(lactic acid) 10 parts, urethane 30 parts, maleic anhydride graft polyphenylene oxide 3 parts, terpolymer EP rubber 8 parts, modified carbon nano-tube 15 parts, 15 parts, silicon carbide, 3 parts, aluminum oxide, halloysite 10 parts, aluminium nitride 3 parts, boron nitride 8 parts, silicon nitride 2 parts, zinc subcarbonate nanofiber 10 parts, nano zine oxide 2 parts, calcium pimelate 1.5 parts, boric acid ester coupler 3 parts, antioxidant 1010 0.3 part, antioxidant 1076 0.5 part, 10980.2 parts, oxidation inhibitor, 4250.4 parts, oxidation inhibitor, antioxidant 2246 0.2 part, antioxidant 264 0.4 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 9 parts, poly-aminopropyl phenyl silsesquioxane 12 parts, dichloropentate 1 part, palmityl trimethyl ammonium chloride 8 parts.
Embodiment 3
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: nylon66 fiber 65 parts, nylon 1235 parts, polyphenylene oxide 28 parts, poly(lactic acid) 21 parts, urethane 21 parts, maleic anhydride graft polyphenylene oxide 5.3 parts, terpolymer EP rubber 6.8 parts, modified carbon nano-tube 26 parts, 8 parts, silicon carbide, 9 parts, aluminum oxide, halloysite 5 parts, aluminium nitride 7 parts, boron nitride 5.5 parts, silicon nitride 6.8 parts, zinc subcarbonate nanofiber 7.2 parts, nano zine oxide 6 parts, silicone 0.3 part, 0.1 part, paraffin, polyethylene wax 0.4 part, boric acid ester coupler 4.2 parts, 4250.2 parts, oxidation inhibitor, antioxidant 2246 0.3 part, antioxidant 264 0.5 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 6 parts, poly-aminopropyl phenyl silsesquioxane 8 parts, dichloropentate 6.2 parts, palmityl trimethyl ammonium chloride 5 parts,
Wherein, described modified carbon nano-tube is prepared according to following technique: 1 part of carbon nanotube, 2 parts of para-amino benzoic acid and 120 parts of polyphosphoric acid are mixed by weight, ultrasonic 35min, 100 DEG C are warming up to after passing into nitrogen, stir 2h, then add 10 parts of Vanadium Pentoxide in FLAKESs, stirring reaction 25h, after reaction terminates, obtain acidifying carbon nanotube through filtration, washing, surname extraction, drying; By weight 5 parts of acidifying carbon nanotubes are added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 5 parts of diphenylmethanediisocyanates are added, ultrasonic 20min, add 0.05 part of dibutyl tin laurate, back flow reaction 5h, then add the caprolactam xylene solution that 35 parts of massfractions are 40%, back flow reaction 2.5h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
Embodiment 4
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: nylon 620 parts, nylon66 fiber 35 parts, nylon 1220 parts, nylon 11 25 parts, polyphenylene oxide 32 parts, poly(lactic acid) 18 parts, urethane 26 parts, maleic anhydride graft polyphenylene oxide 4.6 parts, terpolymer EP rubber 7 parts, modified carbon nano-tube 21 parts, 12 parts, silicon carbide, 7 parts, aluminum oxide, halloysite 6.5 parts, aluminium nitride 6.2 parts, boron nitride 7 parts, silicon nitride 6 parts, zinc subcarbonate nanofiber 8 parts, nano zine oxide 5 parts, 1 part, pimelic acid zinc, calcium stearate 0.3 part, boric acid ester coupler 3.6 parts, antioxidant 1076 1 part, 10980.6 parts, oxidation inhibitor, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.3 parts, poly-aminopropyl phenyl silsesquioxane 10 parts, dichloropentate 5.6 parts, palmityl trimethyl ammonium chloride 7 parts,
Wherein, described modified carbon nano-tube is prepared according to following technique: 2 parts of carbon nanotubes, 1 part of para-amino benzoic acid and 150 parts of polyphosphoric acid are mixed by weight, ultrasonic 20min, 120 DEG C are warming up to after passing into nitrogen, stir 1h, then add 20 parts of Vanadium Pentoxide in FLAKESs, stirring reaction 10h, after reaction terminates, obtain acidifying carbon nanotube through filtration, washing, surname extraction, drying; By weight 15 parts of acidifying carbon nanotubes are added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 2 parts of diphenylmethanediisocyanates are added, ultrasonic 35min, add 0.01 part of dibutyl tin laurate, back flow reaction 10h, then add the caprolactam xylene solution that 20 parts of massfractions are 45%, back flow reaction 1h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
Embodiment 5
The polyurethane-modified high performance nylon tubing of one that the present invention proposes, its raw material comprises following component by weight: nylon 11 100 parts, polyphenylene oxide 30 parts, poly(lactic acid) 20 parts, urethane 25 parts, maleic anhydride graft polyphenylene oxide 5 parts, terpolymer EP rubber 7 parts, modified carbon nano-tube 23 parts, 10 parts, silicon carbide, 8 parts, aluminum oxide, halloysite 5.6 parts, aluminium nitride 6.7 parts, boron nitride 5.9 parts, silicon nitride 6.3 parts, zinc subcarbonate nanofiber 7.6 parts, nano zine oxide 5.3 parts, lubricant 1 part, boric acid ester coupler 4 parts, antioxidant 1010 1.3 parts, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.5 parts, poly-aminopropyl phenyl silsesquioxane 8.3 parts, dichloropentate 6 parts, palmityl trimethyl ammonium chloride 6 parts,
Wherein, described modified carbon nano-tube is prepared according to following technique: 1.3 parts of carbon nanotubes, 1.6 parts of para-amino benzoic acid and 140 parts of polyphosphoric acid are mixed by weight, ultrasonic 30min, 110 DEG C are warming up to after passing into nitrogen, stir 1.5h, then add 16 parts of Vanadium Pentoxide in FLAKESs, stirring reaction 20h, after reaction terminates, obtain acidifying carbon nanotube through filtration, washing, surname extraction, drying; By weight 10 parts of acidifying carbon nanotubes are added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 3.2 parts of diphenylmethanediisocyanates are added, ultrasonic 30min, add 0.035 part of dibutyl tin laurate, back flow reaction 8h, then add the caprolactam xylene solution that 30 parts of massfractions are 42%, back flow reaction 2h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a polyurethane-modified high performance nylon tubing, it is characterized in that, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 20-35 part, poly(lactic acid) 10-25 part, urethane 10-30 part, maleic anhydride graft polyphenylene oxide 3-8 part, terpolymer EP rubber 2-8 part, modified carbon nano-tube 15-30 part, silicon carbide 3-15 part, aluminum oxide 3-10 part, halloysite 2-10 part, aluminium nitride 3-8 part, boron nitride 2-8 part, silicon nitride 2-8 part, zinc subcarbonate nanofiber 2-10 part, nano zine oxide 2-10 part, lubricant 0.5-1.5 part, boric acid ester coupler 3-5 part, oxidation inhibitor 0.5-2 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 2-9 part, poly-aminopropyl phenyl silsesquioxane 5-12 part, dichloropentate 1-8 part, palmityl trimethyl ammonium chloride 2-8 part.
2. polyurethane-modified high performance nylon tubing according to claim 1, it is characterized in that, in its raw material, the weight ratio of nylon, polyphenylene oxide, poly(lactic acid), urethane is 100:26-33:14-23:16-27.
3. polyurethane-modified high performance nylon tubing according to claim 1 or 2, it is characterized in that, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 28-32 part, poly(lactic acid) 18-21 part, urethane 21-26 part, maleic anhydride graft polyphenylene oxide 4.6-5.3 part, terpolymer EP rubber 6.8-7 part, modified carbon nano-tube 21-26 part, silicon carbide 8-12 part, aluminum oxide 7-9 part, halloysite 5-6.5 part, aluminium nitride 6.2-7 part, boron nitride 5.5-7 part, silicon nitride 6-6.8 part, zinc subcarbonate nanofiber 7.2-8 part, nano zine oxide 5-6 part, lubricant 0.8-1.3 part, boric acid ester coupler 3.6-4.2 part, oxidation inhibitor 1-1.6 part, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.3-6 part, poly-aminopropyl phenyl silsesquioxane 8-10 part, dichloropentate 5.6-6.2 part, palmityl trimethyl ammonium chloride 5-7 part.
4. polyurethane-modified high performance nylon tubing according to any one of claim 1-3, it is characterized in that, its raw material comprises following component by weight: nylon 100 parts, polyphenylene oxide 30 parts, poly(lactic acid) 20 parts, urethane 25 parts, maleic anhydride graft polyphenylene oxide 5 parts, terpolymer EP rubber 7 parts, modified carbon nano-tube 23 parts, 10 parts, silicon carbide, 8 parts, aluminum oxide, halloysite 5.6 parts, aluminium nitride 6.7 parts, boron nitride 5.9 parts, silicon nitride 6.3 parts, zinc subcarbonate nanofiber 7.6 parts, nano zine oxide 5.3 parts, lubricant 1 part, boric acid ester coupler 4 parts, 1.3 parts, oxidation inhibitor, dihydroxyphenyl propane-bis-(diphenyl phosphoester) 5.5 parts, poly-aminopropyl phenyl silsesquioxane 8.3 parts, dichloropentate 6 parts, palmityl trimethyl ammonium chloride 6 parts.
5. polyurethane-modified high performance nylon tubing according to any one of claim 1-4, is characterized in that, described nylon is one or more the mixture in nylon 6, nylon66 fiber, nylon 12, nylon 11.
6. polyurethane-modified high performance nylon tubing according to any one of claim 1-5, it is characterized in that, described modified carbon nano-tube is prepared according to following technique: 1-2 part carbon nanotube, 1-2 part para-amino benzoic acid and 120-150 part polyphosphoric acid are mixed by weight, ultrasonic 20-35min, 100-120 DEG C is warming up to after passing into nitrogen, stir 1-2h, then 10-20 part Vanadium Pentoxide in FLAKES is added, stirring reaction 10-25h, obtains acidifying carbon nanotube through filtration, washing, surname extraction, drying after reaction terminates; By weight 5-15 part acidifying carbon nanotube is added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 2-5 part diphenylmethanediisocyanate is added, ultrasonic 20-35min, add 0.01-0.05 part dibutyl tin laurate, back flow reaction 5-10h, then add the caprolactam xylene solution that 20-35 part massfraction is 40-45%, back flow reaction 1-2.5h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
7. polyurethane-modified high performance nylon tubing according to any one of claim 1-6, it is characterized in that, described modified carbon nano-tube is prepared according to following technique: 1.3 parts of carbon nanotubes, 1.6 parts of para-amino benzoic acid and 140 parts of polyphosphoric acid are mixed by weight, ultrasonic 30min, 110 DEG C are warming up to after passing into nitrogen, stir 1.5h, then 16 parts of Vanadium Pentoxide in FLAKESs are added, stirring reaction 20h, obtains acidifying carbon nanotube through filtration, washing, surname extraction, drying after reaction terminates; By weight 10 parts of acidifying carbon nanotubes are added in 100 parts of dimethylbenzene, nitrogen is passed into after mixing, then 3.2 parts of diphenylmethanediisocyanates are added, ultrasonic 30min, add 0.035 part of dibutyl tin laurate, back flow reaction 8h, then add the caprolactam xylene solution that 30 parts of massfractions are 42%, back flow reaction 2h, obtains described modified carbon nano-tube through centrifugal, washing, drying after reaction terminates.
8. polyurethane-modified high performance nylon tubing according to any one of claim 1-7, it is characterized in that, described oxidation inhibitor is one or more the mixture in antioxidant 1010, antioxidant 1076, oxidation inhibitor 1098, oxidation inhibitor 425, antioxidant 2246, antioxidant 264.
9. polyurethane-modified high performance nylon tubing according to any one of claim 1-8, is characterized in that, described lubricant is one or more the mixture in calcium pimelate, silicone, paraffin, polyethylene wax, pimelic acid zinc, calcium stearate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510957042.9A CN105482443A (en) | 2015-12-16 | 2015-12-16 | Polyurethane modified high-performance nylon tubular product |
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| CN201510957042.9A CN105482443A (en) | 2015-12-16 | 2015-12-16 | Polyurethane modified high-performance nylon tubular product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724653A (en) * | 2020-12-18 | 2021-04-30 | 东莞市吉鑫高分子科技有限公司 | TPU/PA alloy material and preparation method thereof |
| CN113072772A (en) * | 2021-04-06 | 2021-07-06 | 安徽农业大学 | Sound-absorbing and heat-insulating automotive interior material and preparation method thereof |
| EP3851482A1 (en) * | 2020-01-16 | 2021-07-21 | Eaton Intelligent Power Limited | High strength and electrically conductive nylon nanocomposites for fuel conveyance system |
| CN113462274A (en) * | 2019-12-30 | 2021-10-01 | 烟台大学 | Preparation method of modified heat-conducting filler required by carbon nano tube modified coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113462274A (en) * | 2019-12-30 | 2021-10-01 | 烟台大学 | Preparation method of modified heat-conducting filler required by carbon nano tube modified coating |
| CN113462274B (en) * | 2019-12-30 | 2022-05-17 | 烟台大学 | Preparation method of carbon nanotube modified flame-retardant waterborne polyurethane coating and adhesive |
| EP3851482A1 (en) * | 2020-01-16 | 2021-07-21 | Eaton Intelligent Power Limited | High strength and electrically conductive nylon nanocomposites for fuel conveyance system |
| CN112724653A (en) * | 2020-12-18 | 2021-04-30 | 东莞市吉鑫高分子科技有限公司 | TPU/PA alloy material and preparation method thereof |
| CN113072772A (en) * | 2021-04-06 | 2021-07-06 | 安徽农业大学 | Sound-absorbing and heat-insulating automotive interior material and preparation method thereof |
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