CN112409782A - Wear-resistant antibacterial conductive nylon and preparation method thereof - Google Patents
Wear-resistant antibacterial conductive nylon and preparation method thereof Download PDFInfo
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- CN112409782A CN112409782A CN202011156250.6A CN202011156250A CN112409782A CN 112409782 A CN112409782 A CN 112409782A CN 202011156250 A CN202011156250 A CN 202011156250A CN 112409782 A CN112409782 A CN 112409782A
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- 239000004677 Nylon Substances 0.000 title claims abstract description 133
- 229920001778 nylon Polymers 0.000 title claims abstract description 133
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 85
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 99
- 239000003365 glass fiber Substances 0.000 claims abstract description 65
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 60
- 239000002994 raw material Substances 0.000 claims abstract description 60
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 40
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000002105 nanoparticle Substances 0.000 claims abstract description 36
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011591 potassium Substances 0.000 claims abstract description 29
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 29
- 239000011265 semifinished product Substances 0.000 claims abstract description 25
- 239000007822 coupling agent Substances 0.000 claims abstract description 24
- -1 silver ions Chemical class 0.000 claims abstract description 24
- 229910052709 silver Inorganic materials 0.000 claims abstract description 22
- 239000004332 silver Substances 0.000 claims abstract description 22
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 18
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- 239000004611 light stabiliser Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims abstract description 18
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 18
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 17
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000005299 abrasion Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000000845 anti-microbial effect Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000843 powder Substances 0.000 description 10
- 229910021645 metal ion Inorganic materials 0.000 description 9
- 239000011941 photocatalyst Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 229920000768 polyamine Polymers 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920003231 aliphatic polyamide Polymers 0.000 description 3
- 229910052961 molybdenite Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 241000237536 Mytilus edulis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 235000020638 mussel Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
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- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/015—Biocides
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C08K7/14—Glass
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08K2003/3009—Sulfides
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Abstract
The invention discloses a wear-resistant antibacterial conductive nylon which is mainly prepared from the following raw materials in parts by weight: 480 parts of polycaprolactam 430-containing material, 400 parts of carbon fiber 200-containing material, 300 parts of glass fiber 100-containing material, 2-6 parts of antioxidant, 4-8 parts of light stabilizer, 2-10 parts of lubricant, 10-30 parts of compatilizer, 10-18 parts of coupling agent, 2-5 parts of sodium hydroxide, 30-60 parts of magnesium hydroxide, 18-23 parts of reduced graphene oxide, 280 parts of molybdenum disulfide 120-containing material, 40-80 parts of potassium polytitanate nanoparticles and 20-50 parts of inorganic antibacterial material; the inorganic antibacterial material can be one or more of silver ions, zinc ions or titanium dioxide; the length of the glass fiber is 8-18 mm. The invention also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the steps of raw material preparation, raw material mixing, semi-finished product preparation and finished product preparation. The invention solves the technical problem that the mechanical property, the conductivity and the antibacterial property of the nylon material in the prior art are not good, thereby realizing the technical effect of improving the material property, the conductivity and the antibacterial property of the nylon material.
Description
Technical Field
The invention relates to the field of resin materials, in particular to conductive nylon, and particularly relates to wear-resistant and antibacterial conductive nylon and a preparation method thereof.
Background
Polyamide is commonly known as Nylon (Nylon), called Polyamide (PA for short), has a density of 1.15g/cm, is a general name for thermoplastic resins containing a repeating amide group- [ NHCO ] -in the main molecular chain, and comprises aliphatic PA, aliphatic-aromatic PA and aromatic PA. The aliphatic PA has many varieties, large yield and wide application, and the name is determined by the specific carbon atom number of the synthetic monomer. Invented by the american famous chemist caroth and his research group. Nylon is a term for polyamide fiber (nylon) and can be made into long fibers or short fibers. Nylon is a trade name for polyamide fiber, also known as Nylon (Nylon). The English name of Polyamine (PA) is the basic component of aliphatic Polyamide which is connected by amido bond- [ NHCO-. Compared with metal, the plastic has the advantages of light specific gravity, chemical corrosion resistance, high design freedom, low rejection rate, sound absorption and shock absorption and the like, along with the influence of trends of replacing steel with plastic, lightening automobile, lightening and fashioning household appliances and the like, the application field of the engineering plastic is expanded year by year, and the steel-plastic ratio becomes a mark for measuring the modern industrial level and the plastic development level of a country or a region.
With the development of society, the use environment of nylon materials is more and more challenging, and in general, the nylon materials need to face the environment of high temperature, high humidity, high pressure and chemicals.
However, the inventor of the present application finds that the prior art has at least the following technical problems:
the nylon in the prior art is broken for a long time under a certain pressure; the flexural deformation occurs for a long time at a certain high temperature; the increase of the bacteria content and the insufficient conductivity are caused for a long time in the outdoor environment.
Disclosure of Invention
The invention provides wear-resistant and antibacterial conductive nylon, solves the technical problems of poor mechanical property, conductivity and antibacterial property of nylon materials in the prior art, and achieves the technical effects of improving the material property, conductivity and antibacterial property of nylon materials.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
480 parts of polycaprolactam 430-containing material, 400 parts of carbon fiber 200-containing material, 300 parts of glass fiber 100-containing material, 2-6 parts of antioxidant, 4-8 parts of light stabilizer, 2-10 parts of lubricant, 10-30 parts of compatilizer, 10-18 parts of coupling agent, 2-5 parts of sodium hydroxide, 30-60 parts of magnesium hydroxide, 18-23 parts of reduced graphene oxide, 280 parts of molybdenum disulfide-containing material, 40-80 parts of potassium polytitanate nanoparticles and 20-50 parts of inorganic antibacterial material; the inorganic antibacterial material can be one or more of silver ions, zinc ions or titanium dioxide; the length of the glass fiber is 8-18 mm.
Preferably, the feed is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam 430-containing material, 300 parts of carbon fiber 200-containing material, 200 parts of glass fiber 100-containing material, 2-4 parts of antioxidant, 4-6 parts of light stabilizer, 2-6 parts of lubricant, 10-20 parts of compatilizer, 10-15 parts of coupling agent, 2-4 parts of sodium hydroxide and 30-50 parts of magnesium hydroxide; 18-20 parts of reduced graphene oxide, 120 parts of molybdenum disulfide, 200 parts of potassium titanate nanoparticles and 20-30 parts of inorganic antibacterial materials.
Preferably, the feed is mainly prepared from the following raw materials in parts by weight:
480 parts of polycaprolactam 450-containing material, 400 parts of carbon fiber 300-containing material, 300 parts of glass fiber 200-containing material, 4-6 parts of antioxidant, 6-8 parts of light stabilizer, 6-10 parts of lubricant, 20-30 parts of compatilizer, 15-18 parts of coupling agent, 4-5 parts of sodium hydroxide and 50-60 parts of magnesium hydroxide; 20-23 parts of reduced graphene oxide, 200-280 parts of molybdenum disulfide, 60-80 parts of potassium titanate nanoparticles and 30-50 parts of inorganic antibacterial materials.
More preferably, the feed additive is mainly prepared from the following raw materials in parts by weight:
460 parts of polycaprolactam, 350 parts of 250 parts of carbon fiber, 250 parts of 150 parts of glass fiber, 3-5 parts of antioxidant, 5-7 parts of light stabilizer, 4-8 parts of lubricant, 16-26 parts of compatilizer, 13-16 parts of coupling agent, 3-5 parts of sodium hydroxide and 45-55 parts of magnesium hydroxide; 19-21 parts of reduced graphene oxide, 180-260 parts of molybdenum disulfide, 50-70 parts of potassium titanate nanoparticles and 25-40 parts of inorganic antibacterial material.
Particularly preferably, the compound is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide and 50 parts of magnesium hydroxide; 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
Particularly preferably, the inorganic antibiotic material may be silver ions; the length of the glass fiber is 11 mm; the coupling agent is a silane coupling agent.
In another aspect, the invention provides a preparation method of wear-resistant and antibacterial conductive nylon, comprising the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feed inlet of the double-screw extruder, wherein the temperature is controlled at 280-300 ℃, and the screw rotating speed is controlled at 600-700r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product to obtain the finished product.
One or more technical solutions provided by the present application have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
Detailed Description
The following further describes the embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The technical scheme of this application embodiment has solved the not good problem of nylon material mechanical properties, electric conductive property and antibacterial property among the prior art through providing a wear-resisting antibiotic electrically conductive nylon, has realized improving nylon material's material properties, electric conductive property and antibacterial property beneficial effect under adopting reduction oxidation graphite alkene, molybdenum disulfide, glass fiber, poly potassium titanate nanoparticle to combine one or more of silver ion, zinc ion or titanium dioxide in the raw materials.
The general idea of the embodiment of the invention for solving the technical problems is as follows:
the wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
polycaprolactam part, carbon fiber, glass fiber, antioxidant, light stabilizer, lubricant, compatilizer, coupling agent part, sodium hydroxide, magnesium hydroxide, reduced graphene oxide, molybdenum disulfide, potassium polytitanate nano-particles and inorganic antibacterial material part; the inorganic antibacterial material can be one or more of silver ions, zinc ions or titanium dioxide; the length of the glass fiber is 8-18 mm.
The content of the reduced graphene oxide is increased, so that the surface resistivity and the volume resistivity of the nylon can be reduced, and the electrical property of the nylon can be improved.
Molybdenum disulfide MoS2The increase of the content of the high-strength nylon improves the tensile strength and the heat deformation temperature of the nylon and the wear resistance of the nylon, increases the heat resistance and the wear resistance of the nylon and generally enhances the strength of the material; specifically, MoS2The reasons why the abrasion can be improved are: the molybdenum element and the sulfur element which are combined by covalent bonds form metal sulfides with metal on a contact surface along with the generation of friction heat in the friction process, and the metal sulfides are attached to the surface of a friction surface to form a complete film with a lubricating effect. With MoS2The increase of the content can increase the degree and speed of forming the 'film', and the abrasion can be reduced.
The content of the glass fiber is increased to improve the heat conduction and impact resistance of the nylon.
The inorganic antibacterial material, wherein metal ions such as silver ions and zinc ions are combined with a photocatalyst, can improve the antibacterial property of nylon.
Under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining with the potassium polytitanate nano-particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst.
In order to better understand the above technical solutions, the following detailed descriptions will be provided with reference to specific embodiments.
Example 1
The wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
430 parts of polycaprolactam, 200 parts of carbon fiber, 100 parts of glass fiber, 2 parts of antioxidant, 4 parts of light stabilizer, 2 parts of lubricant, 10 parts of compatilizer, 10 parts of coupling agent, 2 parts of sodium hydroxide, 30 parts of magnesium hydroxide, 18 parts of reduced graphene oxide, 120 parts of molybdenum disulfide, 40 parts of potassium polytitanate nano particles and 20 parts of inorganic antibacterial material; the inorganic antibacterial material is silver ions; the length of the glass fiber was 8 mm.
Specifically, the apparent density of the reduced graphene oxide is 0.008g/cm3. The reduced graphene oxide has small apparent density and large stacking volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is easy to disperse in nylon, an effective conductive network is formed, and the electrical property of the nylon is improved.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 280 ℃, and the screw rotating speed is controlled at 600r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
Example 2
The wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide and 50 parts of magnesium hydroxide; 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
Specifically, the inorganic antibacterial material is silver ions; the length of the glass fiber is 11 mm; the coupling agent is a silane coupling agent.
More specifically, the apparent density of the reduced graphene oxide was 0.008g/cm3. The reduced graphene oxide has small apparent density and large stacking volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is easy to disperse in nylon, an effective conductive network is formed, and the electrical property of the nylon is improved.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 290 ℃, and the screw rotating speed is controlled at 600r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
The reduced graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nanoparticles can further improve the material, the electric conduction and the antibacterial performance of nylon by combining the increase of the content of silver ions, zinc ions or titanium dioxide.
Example 3
The wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
480 parts of polycaprolactam, 400 parts of carbon fiber, 300 parts of glass fiber, 6 parts of antioxidant, 8 parts of light stabilizer, 10 parts of lubricant, 30 parts of compatilizer, 18 parts of coupling agent, 5 parts of sodium hydroxide, 60 parts of magnesium hydroxide, 23 parts of reduced graphene oxide, 280 parts of molybdenum disulfide, 80 parts of potassium polytitanate nano particles and 50 parts of inorganic antibacterial material; wherein, the inorganic antibacterial material can be one or more of silver ions, zinc ions or titanium dioxide; the length of the glass fiber was 15 mm.
Specifically, the apparent density of the reduced graphene oxide is 0.008g/cm3. The reduced graphene oxide has small apparent density and large bulk volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is compatible with nylonEasy to disperse, thereby forming an effective conductive network and further improving the electrical property of the nylon.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 300 ℃, and the rotating speed of screws is controlled at 600r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
The content of the reduced graphene oxide, the molybdenum disulfide, the glass fiber and the potassium polytitanate nano particles combined with silver ions, zinc ions or titanium dioxide is further increased, so that the material, the electric conductivity and the antibacterial performance of the nylon can be further improved.
Example 4
The wear-resistant antibacterial conductive nylon is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide and 50 parts of magnesium hydroxide; 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
Specifically, the inorganic antibacterial material is silver ion and zinc ion; the length of the glass fiber is 11 mm; the coupling agent is a silane coupling agent.
More specifically, the apparent density of the reduced graphene oxide was 0.008g/cm3. The reduced graphene oxide has small apparent density and large stacking volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is easy to disperse in nylon, an effective conductive network is formed, and the electrical property of the nylon is improved.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 280 ℃, and the screw rotating speed is controlled at 700r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
The combination of silver ions and zinc ions together improves the antibacterial performance.
Example 5
The wear-resistant antibacterial conductive nylon is prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide, 50 parts of magnesium hydroxide, 10 parts of mussel shell powder, 10 parts of oyster shell powder, 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
Specifically, the inorganic antibacterial material is silver ions and titanium dioxide; the length of the glass fiber is 18 mm; the coupling agent is a silane coupling agent.
More specifically, the apparent density of the reduced graphene oxide was 0.008g/cm3. The reduced graphene oxide has small apparent density and large stacking volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is easy to disperse in nylon, an effective conductive network is formed, and the electrical property of the nylon is improved.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 280 ℃, and the screw rotating speed is controlled at 700r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
The combination of the mussel shell powder and the fresh oyster shell powder can further improve the mechanical strength of the nylon by utilizing the characteristic that the oyster shell powder absorbs water and becomes hard, thereby further improving the material performance of the nylon.
Example 6
The wear-resistant antibacterial conductive nylon is prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide, 50 parts of magnesium hydroxide, 10 parts of bamboo leaf fiber powder, 10 parts of oyster shell powder, 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
Specifically, the inorganic antibacterial material is silver ions and titanium dioxide; the length of the glass fiber is 18 mm; the coupling agent is a silane coupling agent.
More specifically, the apparent density of the reduced graphene oxide was 0.008g/cm3. The reduced graphene oxide has small apparent density and large stacking volume when the reduced graphene oxide has the same mass, so that the reduced graphene oxide is easy to disperse in nylon, an effective conductive network is formed, and the electrical property of the nylon is improved.
The embodiment also provides a preparation method of the wear-resistant antibacterial conductive nylon, which comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix obtained in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feeding port of the double-screw extruder, wherein the temperature is controlled at 280 ℃, and the screw rotating speed is controlled at 700r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product in the step (S3) to obtain the finished product.
One or more technical solutions provided by this embodiment have at least the following technical effects or advantages:
according to the technical scheme, a series of technical means such as reducing graphene oxide, molybdenum disulfide, glass fiber and potassium polytitanate nano particles combined with one or more of silver ions, zinc ions or titanium dioxide are adopted in raw materials, so that under the action of molybdenum disulfide, the tensile strength and the thermal deformation temperature of nylon are improved, the abrasion degree of the nylon is improved, and the heat resistance and the abrasion degree of the nylon are further improved by combining potassium polytitanate nano particles; under the combination of reduced graphene oxide, the electric conductivity of nylon is improved, and the heat conduction and impact resistance of nylon are also improved by matching with glass fiber; the antibacterial ability of nylon is improved under the holding of metal ions and photocatalyst. The technical problems of poor mechanical property, conductivity and antibacterial property of the nylon material in the prior art are effectively solved, and the technical effects of improving the material property, conductivity and antibacterial property of the nylon material are further realized.
The combination of the bamboo leaf fiber powder and the oyster shell powder utilizes the characteristics of hardening of the oyster shell powder by water absorption and the reinforcing structure of the fiber, so that the mechanical strength of the nylon can be increased, and the material performance of the nylon is improved.
The tensile, impact, heat distortion and abrasion tests and conductivity tests were carried out on the examples and the control according to the ASTM D638, ASTM D256, ASTM D648 and ASTM D3884 standards and GB/T1410-:
table one: test results of comprehensive properties of materials of examples and comparative examples
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (7)
1. The wear-resistant antibacterial conductive nylon is characterized in that: the material is mainly prepared from the following raw materials in parts by weight:
480 parts of polycaprolactam 430-containing material, 400 parts of carbon fiber 200-containing material, 300 parts of glass fiber 100-containing material, 2-6 parts of antioxidant, 4-8 parts of light stabilizer, 2-10 parts of lubricant, 10-30 parts of compatilizer, 10-18 parts of coupling agent, 2-5 parts of sodium hydroxide, 30-60 parts of magnesium hydroxide, 18-23 parts of reduced graphene oxide, 280 parts of molybdenum disulfide-containing material, 40-80 parts of potassium polytitanate nanoparticles and 20-50 parts of inorganic antibacterial material; the inorganic antibacterial material can be one or more of silver ions, zinc ions or titanium dioxide; the length of the glass fiber is 8-18 mm.
2. The abrasion resistant, antimicrobial, electrically conductive nylon of claim 1, wherein: the material is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam 430-containing material, 300 parts of carbon fiber 200-containing material, 200 parts of glass fiber 100-containing material, 2-4 parts of antioxidant, 4-6 parts of light stabilizer, 2-6 parts of lubricant, 10-20 parts of compatilizer, 10-15 parts of coupling agent, 2-4 parts of sodium hydroxide and 30-50 parts of magnesium hydroxide; 18-20 parts of reduced graphene oxide, 120 parts of molybdenum disulfide, 200 parts of potassium titanate nanoparticles and 20-30 parts of inorganic antibacterial materials.
3. The abrasion resistant, antimicrobial, electrically conductive nylon of claim 1, wherein: the material is mainly prepared from the following raw materials in parts by weight:
480 parts of polycaprolactam 450-containing material, 400 parts of carbon fiber 300-containing material, 300 parts of glass fiber 200-containing material, 4-6 parts of antioxidant, 6-8 parts of light stabilizer, 6-10 parts of lubricant, 20-30 parts of compatilizer, 15-18 parts of coupling agent, 4-5 parts of sodium hydroxide and 50-60 parts of magnesium hydroxide; 20-23 parts of reduced graphene oxide, 200-280 parts of molybdenum disulfide, 60-80 parts of potassium titanate nanoparticles and 30-50 parts of inorganic antibacterial materials.
4. The abrasion resistant, antimicrobial, electrically conductive nylon of claim 1, wherein: the material is mainly prepared from the following raw materials in parts by weight:
460 parts of polycaprolactam, 350 parts of 250 parts of carbon fiber, 250 parts of 150 parts of glass fiber, 3-5 parts of antioxidant, 5-7 parts of light stabilizer, 4-8 parts of lubricant, 16-26 parts of compatilizer, 13-16 parts of coupling agent, 3-5 parts of sodium hydroxide and 45-55 parts of magnesium hydroxide; 19-21 parts of reduced graphene oxide, 180-260 parts of molybdenum disulfide, 50-70 parts of potassium titanate nanoparticles and 25-40 parts of inorganic antibacterial material.
5. The abrasion resistant, antimicrobial, electrically conductive nylon of claim 4, wherein: the material is mainly prepared from the following raw materials in parts by weight:
450 parts of polycaprolactam, 300 parts of carbon fiber, 200 parts of glass fiber, 4 parts of antioxidant, 6 parts of light stabilizer, 6 parts of lubricant, 20 parts of compatilizer, 15 parts of coupling agent, 4 parts of sodium hydroxide and 50 parts of magnesium hydroxide; 20 parts of reduced graphene oxide, 200 parts of molybdenum disulfide, 60 parts of potassium polytitanate nanoparticles and 30 parts of inorganic antibacterial material.
6. The abrasion resistant, antimicrobial conductive nylon of any of claims 1-5, wherein: the inorganic antibacterial material can be silver ions; the length of the glass fiber is 11 mm; the coupling agent is a silane coupling agent.
7. The method for preparing abrasion-resistant antibacterial conductive nylon according to any one of claims 1 to 6, wherein: the method comprises the following steps:
(S1) preparing raw materials: weighing the raw materials except the glass fiber according to the parts by weight;
(S2) mixing raw materials: adding the raw materials into a mixer to be mixed to prepare a premix;
(S3) preparing a semi-finished product: adding the premix in the step (S2) into a double-screw extruder, and adding glass fibers into the double-screw extruder from a side feed inlet of the double-screw extruder, wherein the temperature is controlled at 280-300 ℃, and the screw rotating speed is controlled at 600-700r/min, so as to obtain a semi-finished product;
(S4) preparing a finished product: and (S3) cooling, drying and cutting the semi-finished product to obtain the finished product.
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