CN114276679A - Antistatic transparent nylon material and preparation method thereof - Google Patents
Antistatic transparent nylon material and preparation method thereof Download PDFInfo
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- CN114276679A CN114276679A CN202210042190.8A CN202210042190A CN114276679A CN 114276679 A CN114276679 A CN 114276679A CN 202210042190 A CN202210042190 A CN 202210042190A CN 114276679 A CN114276679 A CN 114276679A
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- transparent nylon
- antistatic
- antioxidant
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- 239000004677 Nylon Substances 0.000 title claims abstract description 131
- 229920001778 nylon Polymers 0.000 title claims abstract description 131
- 239000000463 material Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 58
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 58
- 239000002070 nanowire Substances 0.000 claims abstract description 49
- 239000004611 light stabiliser Substances 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 48
- 239000002216 antistatic agent Substances 0.000 claims abstract description 47
- 239000000314 lubricant Substances 0.000 claims abstract description 45
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims description 35
- 229920001661 Chitosan Polymers 0.000 claims description 28
- 239000002041 carbon nanotube Substances 0.000 claims description 22
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- 239000000376 reactant Substances 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 11
- 235000010413 sodium alginate Nutrition 0.000 claims description 11
- 239000000661 sodium alginate Substances 0.000 claims description 11
- 229940005550 sodium alginate Drugs 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 10
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 9
- 150000002596 lactones Chemical class 0.000 claims description 9
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- 230000002195 synergetic effect Effects 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002042 Silver nanowire Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000002715 modification method Methods 0.000 claims description 7
- 230000036632 reaction speed Effects 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 7
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 7
- 229940037312 stearamide Drugs 0.000 claims description 7
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 7
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 229960003638 dopamine Drugs 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 4
- 229920003233 aromatic nylon Polymers 0.000 claims description 4
- 229920006123 polyhexamethylene isophthalamide Polymers 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- -1 fatty acid ester Chemical class 0.000 claims description 3
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 2
- 229920000299 Nylon 12 Polymers 0.000 claims description 2
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 238000012986 modification Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 6
- 239000012752 auxiliary agent Substances 0.000 abstract description 5
- 239000012780 transparent material Substances 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 10
- 125000005227 alkyl sulfonate group Chemical group 0.000 description 4
- CTENFNNZBMHDDG-UHFFFAOYSA-N Dopamine hydrochloride Chemical compound Cl.NCCC1=CC=C(O)C(O)=C1 CTENFNNZBMHDDG-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229960001149 dopamine hydrochloride Drugs 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
The invention relates to the technical field of modification of high polymer materials, in particular to an antistatic transparent nylon material and a preparation method thereof, wherein the antistatic transparent nylon material comprises the following raw materials in parts by weight: transparent nylon: 700 and 800 parts; antistatic agent: 180-240 parts; light stabilizer: 2-10 parts; antioxidant: 1-3 parts; lubricant: 1-3 parts; 0.1-0.7 part of nanowire modified carbon nanotube; 0.1-0.3 part of rectorite modified powder. According to the antistatic transparent material provided by the invention, the antistatic agent is added to conduct modification on transparent nylon, and the light stabilizer is added to ensure the uvioresistant performance of the material, so that the antistatic transparent nylon material is obtained; on the other hand, the related auxiliary agents which do not influence the transparency of the material are selected, so that the transparency of the transparent nylon material is ensured, and the application occasions of the transparent nylon material are wider.
Description
Technical Field
The invention relates to the technical field of modification of high polymer materials, in particular to an antistatic transparent nylon material and a preparation method thereof.
Background
The transparent nylon is amorphous or microcrystalline thermoplastic nylon, has the characteristics of high light transmittance, high barrier property, excellent boiling resistance, good tensile strength, impact strength, rigidity, wear resistance, chemical resistance, surface hardness and other properties, can be used for the aviation industry, automobile manufacture, electrical appliance industry, engineering and mechanical parts and the like, and can also be used for the packaging of precision instruments, pharmaceutical chemicals, food packaging and other aspects.
As an important engineering plastic widely applied at present, in order to lead the nylon material to be in a leading position in the intense market competition, various physical and chemical modification methods are used for making the nylon material more perfect. The common nylon is a crystalline polymer, the color is milky white, and the transparent nylon inhibits the formation of crystals on the basis of the synthesis experience of the common nylon, so that the transparent nylon becomes an amorphous polymer, and has good transparency.
Because the transparent nylon material does not have electric conductivity, the transparent nylon material needs to be subjected to electric conductivity modification in order to be used in occasions needing static electricity prevention, and in addition, in some occasions needing outdoor use, the ultraviolet resistance is also indispensable. The conductivity of the transparent nylon is improved, and the transparency of the material is ensured, so that related auxiliary agents with small influence on the transparency of the material are required to be selected.
Aiming at the above situation in the prior art, the invention provides an antistatic transparent nylon material and a preparation method thereof.
Disclosure of Invention
In view of the defects of the prior art, the present invention aims to provide an antistatic transparent nylon material and a preparation method thereof, so as to solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides an antistatic transparent nylon material which comprises the following raw materials in parts by weight:
transparent nylon: 700 and 800 parts;
antistatic agent: 180-240 parts;
light stabilizer: 2-10 parts;
antioxidant: 1-3 parts;
lubricant: 1-3 parts;
0.1-0.7 part of nanowire modified carbon nanotube;
0.1-0.3 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 1-5% and the total amount of 5-10% of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 4.5-5.5;
s2: placing the carbon nano tube in a proton irradiation box for irradiation with the irradiation power of 100-300W and the irradiation time of 10-20min, then sending the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1 for stirring and mixing, wherein the amount of the reactant is 3-6 times of the total amount of the carbon nano tube, the reaction temperature is 80-90 ℃, the reaction speed is 400-600r/min, the reaction time is 15-25min, and the nano wire modified carbon nano tube is obtained after the reaction is finished.
The invention adopts the following further technical scheme: the feed comprises the following raw materials in parts by weight:
transparent nylon: 720-780 parts of;
antistatic agent: 190-220 parts;
light stabilizer: 5-8 parts;
antioxidant: 1.5-2.5 parts;
lubricant: 1.5-2.5 parts;
0.1-0.5 part of nanowire modified carbon nanotube;
0.1-0.2 parts of rectorite modified powder.
The invention adopts the following further technical scheme: the feed comprises the following raw materials in parts by weight:
transparent nylon: 750 parts;
antistatic agent: 210 parts of (a);
light stabilizer: 6 parts of (1);
antioxidant: 2.0 parts of (B);
lubricant: 2.0 parts of (B);
0.4 part of nanowire modified carbon nanotube;
0.2 portion of rectorite modified powder.
The invention adopts the following further technical scheme: the transparent nylon is one or more of nylon 1012, nylon 12 and aromatic nylon PA 6I; the antistatic agent is one or more of alkyl sulfonate, ethoxylated alkylamine and fatty acid ester.
The invention adopts the following further technical scheme: the light stabilizer is one or more of UV agent 2020, UV agent 4050 or UV agent 1164.
The invention adopts the following further technical scheme: the antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The invention adopts the following further technical scheme: the lubricant is one or two of vinyl bis stearamide, butyl stearate and calcium stearate; the preparation method of the rectorite modified powder comprises the following steps: sending the rectorite into 1-1.3 mol/hydrochloric acid dopamine solution for high-frequency ultrasonic treatment with the treatment power of 200-300W and the treatment time of 10-20min, and then washing and drying to obtain the rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
The invention adopts the following further technical scheme: adding transparent nylon, antistatic agent, light stabilizer, antioxidant, lubricant, nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer according to a proportion, uniformly mixing at 70-90 ℃, controlling the temperature of each section of the double-screw extruder to be 200-250 ℃, and setting the rotating speed of a screw to be 200-240 rpm.
The invention adopts the following further technical scheme: adding transparent nylon, antistatic agent, light stabilizer, antioxidant, lubricant, nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, and uniformly mixing at 80 ℃.
The technical scheme provided by the invention has the beneficial effects that:
according to the antistatic transparent material provided by the invention, the antistatic agent is added to conduct modification on transparent nylon, and the light stabilizer is added to ensure the uvioresistant performance of the material, so that the antistatic transparent nylon material is obtained; on the other hand, the relative auxiliary agent which does not influence the transparency of the material is selected to ensure the transparency of the transparent nylon material, so that the application occasions of the transparent nylon material are wider;
the nano-wire modified carbon nano-tube adopts the carbon nano-tube with high specific surface area to be matched with the silver nano-wire, thereby further improving the antistatic effect, and rectorite is born in the raw materials of the product after being optimized, thereby improving the reaction contact degree of the raw materials and further improving the efficacy of the product.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the antistatic transparent nylon material provided by the embodiment of the invention, the special transparent nylon material is adopted, the antistatic agent is used for improving the conductivity of the nylon material, and the related auxiliary agent which has small influence on the transparency of the transparent nylon material is used, so that the antistatic transparent nylon material is obtained; on the other hand, in the preparation method of the electrostatic transparent nylon material provided by the embodiment of the invention, the transparent nylon, the antistatic agent, the light stabilizer, the antioxidant and the lubricant are added into a high-speed mixer in proportion and uniformly mixed, and then the mixture is extruded and granulated by a double-screw extruder to obtain the antistatic transparent nylon material. Therefore, the antistatic transparent nylon material is particularly suitable for being applied to the fields of industrial machinery, automobile parts, engineering structural parts and the like with appearance and antistatic requirements
Example 1:
an antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 700 parts of (1);
antistatic agent: 180 parts of (A);
light stabilizer: 2 parts of (1);
antioxidant: 1 part;
lubricant: 1 part;
0.1 part of nanowire modified carbon nanotube;
0.1 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 1 percent, wherein the mass fraction of the sodium alginate is 5 percent of the total amount of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 4.5;
s2: and (2) placing the carbon nano tube in a proton irradiation box for irradiation, wherein the irradiation power is 100W, the irradiation time is 10min, then feeding the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1, stirring and mixing, wherein the amount of the reactant is 3 times of the total amount of the carbon nano tube, the reaction temperature is 80 ℃, the reaction speed is 400r/min, the reaction time is 15min, and after the reaction is finished, obtaining the nano wire modified carbon nano tube.
The transparent nylon is nylon 1012; the antistatic agent is alkyl sulfonate.
The light stabilizer is UV agent 2020
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is vinyl bis stearamide.
The preparation method of the rectorite modified powder comprises the following steps: sending the rectorite into 1 mol/hydrochloric acid dopamine solution for high-frequency ultrasonic treatment with the treatment power of 200W and the treatment time of 10min, and then washing and drying to obtain rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 70 ℃, controlling the temperature of each section of a double-screw extruder to be 200 ℃, and setting the rotating speed of a screw to be 200 rpm.
Example 2:
an antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 800 parts;
antistatic agent: 240 parts of a mixture;
light stabilizer: 10 parts of (A);
antioxidant: 3 parts of a mixture;
lubricant: 3 parts of a mixture;
0.7 part of nanowire modified carbon nanotube;
0.3 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 5% and the total amount of 10% of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 5.5;
s2: and (2) placing the carbon nano tube in a proton irradiation box for irradiation, wherein the irradiation power is 300W, the irradiation time is 20min, then feeding the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1, stirring and mixing, the amount of the reactant is 6 times of the total amount of the carbon nano tube, the reaction temperature is 90 ℃, the reaction speed is 600r/min, the reaction time is 25min, and obtaining the nano wire modified carbon nano tube after the reaction is finished.
The transparent nylon is aromatic nylon PA 6I; the antistatic agent is alkyl sulfonate.
The light stabilizer is a UV agent 2020.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is vinyl bis stearamide.
The preparation method of the rectorite modified powder comprises the following steps: sending the rectorite into 1.3 mol/mol dopamine hydrochloride solution for high-frequency ultrasonic treatment with the treatment power of 300W and the treatment time of 20min, and then washing and drying to obtain rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 70 ℃, controlling the temperature of each section of a double-screw extruder to be 200 ℃, and setting the rotating speed of a screw to be 200 rpm.
Example 3:
an antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 750 parts;
antistatic agent: 210 parts of (a);
light stabilizer: 6 parts of (1);
antioxidant: 2 parts of (1);
lubricant: 2 parts of (1);
0.35 part of nanowire modified carbon nanotube;
0.2 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 3 percent, wherein the mass fraction of the sodium alginate is 7.5 percent of the total amount of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 5.0;
s2: placing the carbon nano tube in a proton irradiation box for irradiation with the irradiation power of 200W for 15min, then feeding the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1, stirring and mixing, wherein the amount of the reactant is 4.5 times of the total amount of the carbon nano tube, the reaction temperature is 85 ℃, the reaction speed is 500r/min, the reaction time is 20min, and obtaining the nano wire modified carbon nano tube after the reaction is finished.
The transparent nylon is nylon 1012; the antistatic agent is alkyl sulfonate.
The light stabilizer is a UV agent 2020.
The antioxidant is antioxidant 2921.
The lubricant is vinyl bis stearamide.
The preparation method of the rectorite modified powder comprises the following steps: rectorite is fed to 1. Carrying out high-frequency ultrasonic treatment in 15 mol/hydrochloric acid dopamine solution, wherein the treatment power is 250W, the treatment time is 15min, and then washing and drying to obtain rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 70 ℃, controlling the temperature of each section of a double-screw extruder to be 200 ℃, and setting the rotating speed of a screw to be 200 rpm.
Example 4:
an antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 710 parts;
antistatic agent: 185 parts of a solvent;
light stabilizer: 3 parts of a mixture;
antioxidant: 1.2 parts;
lubricant: 1.2 parts;
0.2 part of nanowire modified carbon nanotube;
0.15 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 2 percent, wherein the mass fraction of the sodium alginate is 6 percent of the total amount of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 4.6;
s2: placing the carbon nano tube in a proton irradiation box for irradiation with the irradiation power of 120W for 12min, then feeding the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1, stirring and mixing, wherein the amount of the reactant is 4 times of the total amount of the carbon nano tube, the reaction temperature is 82 ℃, the reaction speed is 500r/min, the reaction time is 16min, and obtaining the nano wire modified carbon nano tube after the reaction is finished.
The transparent nylon is nylon 1012; the antistatic agent is alkyl sulfonate.
The light stabilizer is a UV agent 2020.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is butyl stearate.
The preparation method of the rectorite modified powder comprises the following steps: sending the rectorite into 1.1 mol/hydrochloric acid dopamine solution for high-frequency ultrasonic treatment with the treatment power of 220W and the treatment time of 13min, and then washing and drying to obtain rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 70 ℃, controlling the temperature of each section of a double-screw extruder to be 200 ℃, and setting the rotating speed of a screw to be 200 rpm.
Example 5:
an antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 780 parts of (a);
antistatic agent: 220 parts of (1);
light stabilizer: 8 parts of a mixture;
antioxidant: 2 parts of (1);
lubricant: 2 parts of (1);
0.6 part of nanowire modified carbon nanotube;
0.25 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 4 percent, wherein the mass fraction of the sodium alginate is 8 percent of the total amount of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 4.8;
s2: and (2) placing the carbon nano tube in a proton irradiation box for irradiation with the irradiation power of 100-300W and the irradiation time of 18min, then feeding the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1, stirring and mixing, wherein the amount of the reactant is 5 times of the total amount of the carbon nano tube, the reaction temperature is 88 ℃, the reaction speed is 500r/min, the reaction time is 22min, and after the reaction is finished, obtaining the nano wire modified carbon nano tube.
The transparent nylon is aromatic nylon PA 6I; the antistatic agent is fatty acid ester.
The light stabilizer is a UV agent 1164.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is butyl stearate.
The preparation method of the rectorite modified powder comprises the following steps: sending the rectorite into 1.2 mol/mol dopamine hydrochloride solution for high-frequency ultrasonic treatment with the treatment power of 280W and the treatment time of 18min, and then washing and drying to obtain rectorite modified powder.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 70 ℃, controlling the temperature of each section of a double-screw extruder to be 200 ℃, and setting the rotating speed of a screw to be 200 rpm.
Comparative example 1:
in contrast to example 5, the antistatic agent was absent.
An antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 750 parts;
light stabilizer: 6 parts of (1);
antioxidant: 2.0 parts of (B);
lubricant: 2.0 parts of (B);
0.6 part of nanowire modified carbon nanotube;
0.25 portion of rectorite modified powder.
The transparent nylon is nylon 1012.
The light stabilizer is a UV agent 2020.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is vinyl bis stearamide.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer according to a proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, light stabilizer, antioxidant and lubricant into a high-speed mixer in proportion, uniformly mixing at 80 ℃, controlling the temperature of each section of a double-screw extruder to be 225 ℃, and setting the rotating speed of a screw to be 220 rpm.
Comparative example 2:
in contrast to example 5, the light stabilizer is absent.
An antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 750 parts;
antistatic agent: 210 parts of (a);
antioxidant: 2.0 parts of (B);
lubricant: 2.0 parts of (B);
0.6 part of nanowire modified carbon nanotube;
0.25 portion of rectorite modified powder.
The transparent nylon is nylon 1012.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The lubricant is vinyl bis stearamide.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, an antioxidant and a lubricant into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 80 ℃, controlling the temperature of each section of the double-screw extruder to be 225 ℃, and setting the rotating speed of a screw to be 220 rpm.
Comparative example 3:
in comparison to example 5, lubricant is absent.
An antistatic transparent nylon material comprises the following raw materials in parts by weight:
transparent nylon: 750 parts;
antistatic agent: 210 parts of (a);
light stabilizer: 6 parts of (1);
antioxidant: 2.0 parts of (B);
0.6 part of nanowire modified carbon nanotube;
0.25 portion of rectorite modified powder.
The transparent nylon is nylon 1012.
The light stabilizer is a UV agent 2020.
The antioxidant is antioxidant 2921, and is a synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
The preparation method of the antistatic transparent nylon material comprises the following steps:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer and an antioxidant into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
Adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion, uniformly mixing at 80 ℃, controlling the temperature of each section of the double-screw extruder to be 225 ℃, and setting the rotating speed of a screw to be 220 rpm.
The test results of examples 1 to 5 and comparative examples 1 to 3 are shown in the following table 1, in which the test standards are ISO standards.
TABLE 1 test results of examples 1-5 and comparative examples 1-3
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Surface resistance Ohm/sq | 6*109 | 2*1010 | 9*109 | 2.3*1010 | 2.8*1010 | 7*109 | 6*108 | 1*1010 |
| Transparency% | 86 | 80 | 88 | 89 | 91 | 56 | 64 | 79 |
Comparing examples 1-5 with comparative example 1, it can be seen that the transparency index and the surface resistance of examples 1-5 are significantly higher than those of comparative examples 1-3, while in examples 1-5, it can be seen that the transparency index and the surface resistance of example 5 are higher than those of examples 1-4.
In summary, the antistatic transparent nylon material provided by the embodiment of the invention is prepared by adding the antistatic agent to conduct conductive modification on transparent nylon, and then adding the light stabilizer to ensure the uvioresistant performance of the material; on the other hand, the related auxiliary agent which does not influence the transparency of the material is selected, so that the transparency of the transparent nylon material is ensured, and the antistatic transparent material with good performance is obtained.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The antistatic transparent nylon material is characterized by comprising the following raw materials in parts by weight:
transparent nylon: 700 and 800 parts;
antistatic agent: 180-240 parts;
light stabilizer: 2-10 parts;
antioxidant: 1-3 parts;
lubricant: 1-3 parts;
0.1-0.7 part of nanowire modified carbon nanotube;
0.1-0.3 part of rectorite modified powder;
the modification method of the nanowire modified carbon nanotube comprises the following steps:
s1: preparation of reactants: stirring the chitosan solution and sodium pyrophosphate according to the weight ratio of 5:1 until the mixture is fully stirred, and then adding sodium alginate with the mass fraction of 1-5% and the total amount of 5-10% of the chitosan solution; wherein the chitosan solution is prepared by mixing chitosan and ethanol according to the weight ratio of 1:3, and then adding acetic acid to adjust the pH value to 4.5-5.5;
s2: placing the carbon nano tube in a proton irradiation box for irradiation with the irradiation power of 100-300W and the irradiation time of 10-20min, then sending the carbon nano tube and the silver nano wire into a reactant according to the weight ratio of 5:1 for stirring and mixing, wherein the amount of the reactant is 3-6 times of the total amount of the carbon nano tube, the reaction temperature is 80-90 ℃, the reaction speed is 400-600r/min, the reaction time is 15-25min, and the nano wire modified carbon nano tube is obtained after the reaction is finished.
2. The antistatic transparent nylon material of claim 1, which is characterized by comprising the following raw materials in parts by weight:
transparent nylon: 720-780 parts of;
antistatic agent: 190-220 parts;
light stabilizer: 5-8 parts;
antioxidant: 1.5-2.5 parts;
lubricant: 1.5-2.5 parts;
0.1-0.5 part of nanowire modified carbon nanotube;
0.1-0.2 parts of rectorite modified powder.
3. The antistatic transparent nylon material of claim 1, which is characterized by comprising the following raw materials in parts by weight:
transparent nylon: 750 parts;
antistatic agent: 210 parts of (a);
light stabilizer: 6 parts of (1);
antioxidant: 2.0 parts of (B);
lubricant: 2.0 parts of (B);
0.4 part of nanowire modified carbon nanotube;
0.2 portion of rectorite modified powder.
4. The antistatic transparent nylon material of any one of claims 1-3, wherein the transparent nylon is one or more of nylon 1012, nylon 12 and aromatic nylon PA 6I; the antistatic agent is one or more of alkyl sulfonate, ethoxylated alkylamine and fatty acid ester.
5. The antistatic transparent nylon material of any one of claims 1-3, wherein the light stabilizer is one or more of UV agent 2020, UV agent 4050 or UV agent 1164; the antioxidant is antioxidant 2921, and is synergistic mixture of antioxidant 168, antioxidant 1076 and lactone stabilizer.
6. The antistatic transparent nylon material of any one of claims 1 to 3, wherein the rectorite modified powder is prepared by a method comprising: sending the rectorite into 1-1.3 mol/hydrochloric acid dopamine solution for high-frequency ultrasonic treatment with the treatment power of 200-300W and the treatment time of 10-20min, and then washing and drying to obtain the rectorite modified powder.
7. The antistatic transparent nylon material of claims 1-3, wherein the lubricant is one or two of vinyl bis stearamide, butyl stearate and calcium stearate.
8. The method for preparing antistatic transparent nylon material according to any one of claims 1 to 7, comprising the steps of:
firstly, adding transparent nylon, an antistatic agent, a light stabilizer, an antioxidant, a lubricant, a nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer in proportion and uniformly mixing;
and extruding and granulating by a double-screw extruder to obtain the antistatic transparent nylon material.
9. The method for preparing antistatic transparent nylon material according to claim 8,
adding transparent nylon, antistatic agent, light stabilizer, antioxidant, lubricant, nanowire modified carbon nanotube and rectorite modified powder into a high-speed mixer according to a proportion, uniformly mixing at 70-90 ℃, controlling the temperature of each section of the double-screw extruder to be 200-250 ℃, and setting the rotating speed of a screw to be 200-240 rpm.
10. The method for preparing the antistatic transparent nylon material according to claim 9, wherein the transparent nylon, the antistatic agent, the light stabilizer, the antioxidant, the lubricant, the nanowire modified carbon nanotube and the rectorite modified powder are proportionally added into a high-speed mixer and uniformly mixed at 80 ℃.
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| CN111454572A (en) * | 2020-05-27 | 2020-07-28 | 杭州本松新材料技术股份有限公司 | Carbon nanotube/polyamide-based composite material and preparation method and application thereof |
| CN111500062A (en) * | 2020-05-27 | 2020-08-07 | 杭州本松新材料技术股份有限公司 | Antistatic heat-aging-resistant polyamide composite material and preparation method and application thereof |
| CN113667299A (en) * | 2021-07-29 | 2021-11-19 | 金发科技股份有限公司 | Antistatic polyamide composition and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111454572A (en) * | 2020-05-27 | 2020-07-28 | 杭州本松新材料技术股份有限公司 | Carbon nanotube/polyamide-based composite material and preparation method and application thereof |
| CN111500062A (en) * | 2020-05-27 | 2020-08-07 | 杭州本松新材料技术股份有限公司 | Antistatic heat-aging-resistant polyamide composite material and preparation method and application thereof |
| CN113667299A (en) * | 2021-07-29 | 2021-11-19 | 金发科技股份有限公司 | Antistatic polyamide composition and preparation method and application thereof |
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Application publication date: 20220405 |