阅读说明：本技术 一种基于纳米石墨烯的精蜡带及其制备方法 (Nano-graphene-based refined wax tape and preparation method thereof ) 是由 陈映宇 陈士涵 于 2019-10-09 设计创作，主要内容包括：本发明提供一种基于纳米石墨烯的精蜡带及其制备方法,涉及高分子材料领域。此精蜡带由柔性载体浸渍在复合材料液中一定时间后,干燥、卷曲后形成的卷材；其中,按照重量份数计,复合材料液的原料包括：聚乙烯蜡5～30份、石蜡50～90份、月桂酸0.2～1份、氧化锌、10～30份、甘油0.5～5份、环氧大豆油0.2～1份、稳定剂0.2～3份、增塑剂10～40份、石墨1～10份、石墨烯1～10份、聚乙烯吡咯烷酮5～15份、微精蜡40～85份、硬脂酸0.2～0.5份、钛白粉10～25份、碳酸钙10～20份、高岭土5～15份、滑石粉3～13份、白蜡油1～15份、铝粉3～15份、锌粉2～10份、云母云5～25份、二氧化硅5～25份、三氧化锑2～15、磷铁锌硅粉2～15份、磷铁粉2～15份、UV吸收剂0.1～0.5份、消泡剂0.1～0.5份。本发明提供的精蜡带具有良好的防水、防腐和阻燃性能。(The invention provides a refined wax tape based on nano graphene and a preparation method thereof, and relates to the field of high polymer materials. The refined wax belt is a coiled material formed by dipping a flexible carrier in a composite material liquid for a certain time, drying and curling; the composite material liquid comprises the following raw materials in parts by weight: 5-30 parts of polyethylene wax, 50-90 parts of paraffin wax, 0.2-1 part of lauric acid, 10-30 parts of zinc oxide, 0.5-5 parts of glycerol, 0.2-1 part of epoxidized soybean oil, 0.2-3 parts of a stabilizer, 10-40 parts of a plasticizer, 1-10 parts of graphite, 1-10 parts of graphene, 5-15 parts of polyvinylpyrrolidone, 40-85 parts of refined wax, 0.2-0.5 part of stearic acid, 10-25 parts of titanium dioxide, 10-20 parts of calcium carbonate, 5-15 parts of kaolin, 3-13 parts of talcum powder, 1-15 parts of white wax oil, 3-15 parts of aluminum powder, 2-10 parts of zinc powder, 5-25 parts of mica cloud, 5-25 parts of silicon dioxide, 2-15 parts of antimony trioxide, 2-15 parts of ferrophosphorus silicon powder, 2-15 parts of ferrophosphorus powder, 0.1-0.5 part of a UV (ultraviolet) absorbent and 0.1-0.5 part of a defoaming agent. The refined wax belt provided by the invention has good waterproof, anticorrosion and flame retardant properties.)

1. The fine wax belt based on the nano graphene is characterized in that a flexible carrier is soaked in a composite material liquid for a certain time, and then the fine wax belt is dried and curled to form a coiled material;

the composite material liquid comprises the following raw materials in parts by weight: 5-30 parts of polyethylene wax, 50-90 parts of paraffin wax, 0.2-1 part of lauric acid, 10-30 parts of zinc oxide, 0.5-5 parts of glycerol, 0.2-1 part of epoxidized soybean oil, 0.2-3 parts of a stabilizer, 10-40 parts of a plasticizer, 1-10 parts of graphite, 1-10 parts of graphene, 5-15 parts of polyvinylpyrrolidone, 40-85 parts of refined wax, 0.2-0.5 part of stearic acid, 10-25 parts of titanium dioxide, 10-20 parts of calcium carbonate, 5-15 parts of kaolin, 3-13 parts of talcum powder, 1-15 parts of white wax oil, 3-15 parts of aluminum powder, 2-10 parts of zinc powder, 5-25 parts of mica cloud, 5-25 parts of silicon dioxide, 2-15 parts of antimony trioxide, 2-15 parts of ferrophosphorus silicon powder, 2-15 parts of ferrophosphorus powder, 0.1-0.5 part of a UV (ultraviolet) absorber and 0.1-0.5 part of a defoaming agent.

2. The nano-graphene-based wax refining belt according to claim 1, wherein the composite material liquid comprises the following raw materials in parts by weight:

7-25 parts of polyethylene wax, 55-85 parts of paraffin, 0.5-0.8 part of lauric acid, 12-28 parts of zinc oxide, 1-4.5 parts of glycerol, 0.5-0.8 part of epoxidized soybean oil, 0.5-2.5 parts of stabilizer, 13-30 parts of plasticizer, 1.5-8.5 parts of graphite, 1.5-8.5 parts of graphene, 8-13 parts of polyvinylpyrrolidone, 55-80 parts of fine wax, and 0.25-0.45 part of stearic acid, 12-20 parts of titanium dioxide, 11-18 parts of calcium carbonate, 8-10 parts of kaolin, 5-10 parts of talcum powder, 3-12 parts of white wax oil, 5-10 parts of aluminum powder, 5-8 parts of zinc powder, 8-22 parts of mica cloud, 8-22 parts of silicon dioxide, 5-10 parts of antimony trioxide, 5-10 parts of ferrophosphorus-zinc silicon powder, 5-10 parts of ferrophosphorus powder, 0.15-0.45 part of UV absorbent and 0.15-0.45 part of defoaming agent.

3. The nanographene-based fine wax tape according to claim 1, wherein the flexible carrier is a non-woven fabric made of polypropylene fiber, polyacrylonitrile fiber, polyethylene fiber, or polyester chemical fiber.

4. The fine wax ribbon based on nano graphene according to claim 3, wherein monofilaments of polypropylene fibers, polyacrylonitrile fibers, polyethylene fibers or polyester chemical fibers are 2D-6D, the tensile strength of the flexible carrier is 50-100 kN/m, and the tensile rate is less than 30%.

5. The nano-graphene based wax finishing strip according to claim 1, wherein the flexible carrier has a thickness of 0.1-0.4 mm, a width of 1-30 inches, and a strength of 100-400 g/square meter.

6. The nanographene-based fine wax tape according to claim 1, wherein the graphene is one or more of oxidized graphene and natural graphene.

7. The nanographene-based fine wax tape according to claim 1, wherein the fine wax tape has a high temperature resistance ranging from 50 to 250 ℃.

8. The preparation method of the nano-graphene-based refined wax ribbon is characterized by comprising the following steps of:

s1, preparing a composite material liquid;

s2, cutting the flexible carrier into a proper size, and soaking the flexible carrier in the composite material liquid for 0.5-2 min at the temperature of 90-150 ℃ to obtain a prefabricated body;

and S3, rolling the prefabricated body into a round shape after the steps of pressing and drying to obtain the fine wax ribbon.

9. The method for preparing the nano graphene-based wax refining tape according to claim 8, wherein the preparation process of the composite material liquid comprises the following steps:

s11, mixing and heating polyethylene wax, paraffin, lauric acid, glycerol, epoxidized soybean oil, a stabilizer, a plasticizer, polyvinylpyrrolidone, fine wax, stearic acid and white wax oil at the temperature of 150-200 ℃ for 45-75 min until the mixture is completely melted according to the mixture ratio of the raw materials to obtain a primary mixed solution;

s12, adding graphite and graphene into the primary mixed solution until the graphite and the graphene are completely molten;

s13, adding zinc oxide, titanium dioxide, calcium carbonate, kaolin, talcum powder, aluminum powder, zinc powder, mica cloud, silicon dioxide, antimony trioxide, ferrophosphorus zinc silicon powder and ferrophosphorus powder, and continuously mixing for 30-60 min;

and S14, finally adding a UV absorbent and a defoaming agent, remelting for 10-30 min, and standing for 2h to obtain the composite material liquid.

Technical Field

The invention relates to the field of new polymer materials, and particularly relates to a refined wax tape based on nano graphene and a preparation method thereof.

Background

Over time, many buildings and machinery have reduced useful life due to water, acid (rain), fire, and the like. Along with the increasing requirements of people on the service life of buildings and mechanical equipment, the requirements of people on the quality of waterproof, anticorrosive and flame-retardant materials are also more and more emphasized.

Currently, with research and improvement of polymer waterproof material research and development technology and supporting facilities, polymer materials are increasingly favored in waterproof, anticorrosion and flame retardant functions in the fields of buildings and mechanical equipment. Among them, the high molecular coiled material is a well-known waterproof material which has excellent performance, can be constructed at normal temperature and does not need hot melting construction, and is widely applied to the industrial and civil building fields. However, the general polymer coiled material contains clay filler, is used for improving the plasticity of the coiled material, and is more suitable for the waterproof and anticorrosion requirements of buildings. However, the addition of clay material makes the coiled material easily hardened and less resistant to environmental cracking, especially the thermal oxidation causes the performance of the coiled material to be reduced.

Therefore, a coiled material with comprehensive temperature resistance, water resistance, corrosion resistance, weather resistance and construction performance is needed to meet the waterproof and corrosion-resistant requirements in the field of buildings.

Disclosure of Invention

The invention aims to provide a nano-graphene-based refined wax belt which has excellent waterproof property, corrosion resistance and flame retardant property, has high content of refined wax with the same tactility as clay, is more suitable for irregular buildings and mechanical equipment, and does not generate withering and breaking phenomena as clay.

Another object of the present invention is to provide a method for preparing a nano-graphene-based wax refining strip, which is simple.

The technical problem to be solved by the invention is realized by adopting the following technical scheme.

The invention provides a nano-graphene-based refined wax belt, which is a coiled material formed by soaking a flexible carrier in a composite material liquid for a certain time, drying and curling;

the composite material liquid comprises the following raw materials in parts by weight: 5-30 parts of polyethylene wax, 50-90 parts of paraffin wax, 0.2-1 part of lauric acid, 10-30 parts of zinc oxide, 0.5-5 parts of glycerol, 0.2-1 part of epoxidized soybean oil, 0.2-3 parts of a stabilizer, 10-40 parts of a plasticizer, 1-10 parts of graphite, 1-10 parts of graphene, 5-15 parts of polyvinylpyrrolidone, 40-85 parts of refined wax, 0.2-0.5 part of stearic acid, 10-25 parts of titanium dioxide, 10-20 parts of calcium carbonate, 5-15 parts of kaolin, 3-13 parts of talcum powder, 1-15 parts of white wax oil, 3-15 parts of aluminum powder, 2-10 parts of zinc powder, 5-25 parts of mica cloud, 5-25 parts of silicon dioxide, 2-15 parts of antimony trioxide, 2-15 parts of ferrophosphorus silicon powder, 2-15 parts of ferrophosphorus powder, 0.1-0.5 part of a UV (ultraviolet) absorber and 0.1-0.5 part of a defoaming agent.

Further, the composite material liquid comprises the following raw materials in parts by weight:

7-25 parts of polyethylene wax, 55-85 parts of paraffin, 0.5-0.8 part of lauric acid, 12-28 parts of zinc oxide, 1-4.5 parts of glycerol, 0.5-0.8 part of epoxidized soybean oil, 0.5-2.5 parts of stabilizer, 13-30 parts of plasticizer, 1.5-8.5 parts of graphite, 1.5-8.5 parts of graphene, 8-13 parts of polyvinylpyrrolidone, 55-80 parts of fine wax, and 0.25-0.45 part of stearic acid, 12-20 parts of titanium dioxide, 11-18 parts of calcium carbonate, 8-10 parts of kaolin, 5-10 parts of talcum powder, 3-12 parts of white wax oil, 5-10 parts of aluminum powder, 5-8 parts of zinc powder, 8-22 parts of mica cloud, 8-22 parts of silicon dioxide, 5-10 parts of antimony trioxide, 5-10 parts of ferrophosphorus-zinc silicon powder, 5-10 parts of ferrophosphorus powder, 0.15-0.45 part of UV absorbent and 0.15-0.45 part of defoaming agent.

Further, the flexible carrier is a non-woven fabric made of polypropylene fibers, polyacrylonitrile fibers, polyethylene fibers or polyester chemical fibers.

Furthermore, the monofilament of the polypropylene fiber, the polyacrylonitrile fiber, the polyethylene fiber or the polyester chemical fiber is 2D-6D, the tensile strength of the flexible carrier is 50-100 kN/m, and the tensile rate is less than 30%.

Further, the flexible carrier has a thickness of 0.1-0.4 mm, a width of 1-30 inches, and a strength of 100-400 g/square meter

Further, the graphene is one or more of oxidized graphene and natural graphene.

Further, the high temperature resistant range of the refined wax belt is 50-250 ℃.

The invention also provides a preparation method of the fine wax ribbon based on the nano graphene, which comprises the following steps:

s1, preparing a composite material liquid;

s2, cutting the flexible carrier into a proper size, and soaking the flexible carrier in the composite material liquid for 0.5-2 min at the temperature of 90-150 ℃ to obtain a prefabricated body;

and S3, rolling the prefabricated body into a round shape after the steps of pressing and drying to obtain the fine wax ribbon.

Further, the preparation process of the composite material liquid comprises the following steps:

s11, mixing and heating polyethylene wax, paraffin, lauric acid, glycerol, epoxidized soybean oil, a stabilizer, a plasticizer, polyvinylpyrrolidone, fine wax, stearic acid and white wax oil at the temperature of 150-200 ℃ for 45-75 min until the mixture is completely melted according to the mixture ratio of the raw materials to obtain a primary mixed solution;

s12, adding graphite and graphene into the primary mixed solution until the graphite and the graphene are completely molten;

s13, adding zinc oxide, titanium dioxide, calcium carbonate, kaolin, talcum powder, aluminum powder, zinc powder, mica cloud, silicon dioxide, antimony trioxide, ferrophosphorus zinc silicon powder and ferrophosphorus powder, and continuously mixing for 30-60 min;

and S14, finally adding a UV absorbent and a defoaming agent, remelting for 10-30 min, and standing for 2h to obtain the composite material liquid.

The fine wax tape based on the nano graphene and the preparation method thereof have the beneficial effects that: firstly, the refined wax belt provided by the invention contains refined wax with high content and the same clay touch feeling, so that the refined wax belt is more suitable for irregular buildings and mechanical equipment and can not generate the phenomena of drying and breaking as the clay. In addition, the refined wax belt adopts non-woven fabrics as flexible carrier materials, and is fully soaked in the composite material liquid, so that on one hand, the tensile and breaking properties of the refined wax belt are enhanced; on the other hand, the carrier is provided for the composite material liquid, so that the composite material liquid can be better coated on irregular curved surface profile objects, and the coating thickness is controllable. In addition, natural graphene and oxidized graphene are added into the composite material, and a compact physical isolation layer can be formed in melt blending due to the two-dimensional lamellar structure of the graphene, so that an obvious physical isolation effect is achieved, the heat insulation of the material is improved, and the flame retardant property is also achieved. The wax refining belt provided by the invention can be cut, and the construction condition is simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a flowchart of a method for preparing a nano-graphene-based wax refining strip according to the present invention;

fig. 2 is a schematic structural flow diagram of a method for preparing a nano-graphene-based wax refining strip according to the present invention;

fig. 3 is a real object diagram of the nano-graphene-based refined wax ribbon provided by the invention.

Reference numerals: 1-a flexible carrier; 2-composite material liquid.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

The following describes a nano-graphene-based wax refining strip and a preparation method thereof provided by an embodiment of the present invention.

The features and properties of the present invention are described in further detail below with reference to examples.

The invention provides a refined wax belt based on nano graphene, which is a coiled material formed by soaking a flexible carrier 1 in a composite material liquid 2 for a certain time, drying and curling;

the composite material liquid 2 comprises the following raw materials in parts by weight: 5-30 parts of polyethylene wax, 50-90 parts of paraffin wax, 0.2-1 part of lauric acid, 10-30 parts of zinc oxide, 0.5-5 parts of glycerol, 0.2-1 part of epoxidized soybean oil, 0.2-3 parts of a stabilizer, 10-40 parts of a plasticizer, 1-10 parts of graphite, 1-10 parts of graphene, 5-15 parts of polyvinylpyrrolidone, 40-85 parts of refined wax, 0.2-0.5 part of stearic acid, 10-25 parts of titanium dioxide, 10-20 parts of calcium carbonate, 5-15 parts of kaolin, 3-13 parts of talcum powder, 1-15 parts of white wax oil, 3-15 parts of aluminum powder, 2-10 parts of zinc powder, 5-25 parts of mica cloud, 5-25 parts of silicon dioxide, 2-15 parts of antimony trioxide, 2-15 parts of ferrophosphorus silicon powder, 2-15 parts of ferrophosphorus powder, 0.1-0.5 part of a UV (ultraviolet) absorbent and 0.1-0.5 part of a defoaming agent.

The fine wax belt based on the nano graphene is prepared by adding waxy materials such as polyethylene wax, paraffin wax, micro fine wax, white wax and the like and lipid materials such as lauric acid, glycerol, epoxidized soybean oil, stearic acid and the like, so that the fine wax similar to clay in touch property is formed, and the fine wax belt has high content of the fine wax, because the touch of the fine wax is very similar to that of the clay, the fine wax belt can be used without heating by special instruments during construction. And because the wax belt has the characteristics similar to clay, the wax belt can be coated on the surface of an irregular curved surface profile, and is more suitable for coating different buildings and mechanical equipment. In addition, the high ignition point of the refined wax ensures that the refined wax band has high flame retardant performance. The graphene is a two-dimensional material with a single-layer sheet structure formed by carbon atoms, the sheet structures of the graphene can be stacked layer by layer and staggered, and a labyrinth shielding structure can be formed in the composite material liquid 2, so that infiltration, permeation and diffusion of corrosive media (water and acid) can be effectively inhibited, and the waterproof and anti-corrosion performance of the high-precision wax tape can be improved. In addition, the nano graphene adopted by the invention has a small size effect, can be filled in the defects of the composite material liquid 2, reduces the porosity of the refined wax band, enhances the compactness, and further delays and prevents the corrosion of corrosion factors. And the lamellar structure of graphite alkene can be cut apart into many cells with combined material liquid 2, can effectively reduce the inside stress in smart wax area, and then promote pliability, shock resistance and the wearability in smart wax area. The polyvinylpyrrolidone and the stabilizer can prevent the graphene from agglomerating, enhance the graphene dispersion effect and improve the performance of the graphene. The materials of zinc oxide, titanium dioxide, kaolin, talcum powder, zinc powder, mica cloud, silicon dioxide, antimony trioxide, ferrophosphorus zinc silicon powder and ferrophosphorus powder are used as the filling materials of the refined wax belt, so that the toughness of the refined wax belt is enhanced, the flame retardant property is improved, and the film forming property of the refined wax belt can be improved by the zinc element. The zinc element forms an oxidation film under the oxidation of air, the film can isolate moisture and air and fill gaps and pores to ensure that the refined wax band is tightly attached, and the interior of the refined wax band which is not in contact with the air cannot be dried up and hardened, so that the occurrence of a crack phenomenon is further avoided. The UV absorbent can absorb ultraviolet rays, prevent the refined wax band from being dried and solidified, and further improve the viscoelasticity and weather resistance of the refined wax band, so that the refined wax band can resist weather outdoors for more than 20 years. And the defoaming agent can remove bubbles in the composite material liquid 2, increase the tightness between materials and reduce the gaps of the refined wax band.

Further, the composite material liquid 2 comprises the following raw materials in parts by weight:

7-25 parts of polyethylene wax, 55-85 parts of paraffin wax, 0.5-0.8 part of lauric acid, 12-28 parts of zinc oxide, 1-4.5 parts of glycerol, 0.5-0.8 part of epoxidized soybean oil, 0.5-2.5 parts of a stabilizer, 13-30 parts of a plasticizer, 1.5-8.5 parts of graphite, 1.5-8.5 parts of graphene, 8-13 parts of polyvinylpyrrolidone, 55-80 parts of microcrystalline wax, 0.25-0.45 part of stearic acid, 12-20 parts of titanium dioxide, 11-18 parts of calcium carbonate, 8-10 parts of kaolin, 5-10 parts of talcum powder, 3-12 parts of white wax oil, 5-10 parts of aluminum powder, 5-8 parts of zinc powder, 8-22 parts of mica cloud, 8-22 parts of silicon dioxide, 5-10 parts of antimony trioxide, 5-10 parts of ferrophosphorus silicon powder, 5-10 parts of ferrophosphorus powder, 0.15-0.45 part of a UV absorber and 0.15-0.45 part of a defoaming agent. The composite material liquid 2 prepared according to the proportion has better waterproof, anticorrosion and flame retardant properties.

More preferably, in a preferred embodiment of the present invention, the composite material liquid 2 comprises the following raw materials in parts by weight: 18 parts of polyethylene wax, 75 parts of paraffin, 0.6 part of lauric acid, 20 parts of zinc oxide, 3.5 parts of glycerol, 0.6 part of epoxidized soybean oil, 1.6 parts of stabilizer, 27 parts of plasticizer, 6 parts of graphite, 6.5 parts of graphene, 10 parts of polyvinylpyrrolidone, 75 parts of fine wax, 0.35 part of stearic acid, 18 parts of titanium dioxide, 16 parts of calcium carbonate, 8 parts of kaolin, 8 parts of talcum powder, 7 parts of white wax oil, 7 parts of aluminum powder, 7 parts of zinc powder, 12 parts of mica cloud, 12 parts of silicon dioxide, 6 parts of antimony trioxide, 6 parts of ferrophosphorus silicon powder, 6 parts of ferrophosphorus powder, 0.25 part of UV absorbent and 0.25 part of defoaming agent. Under the proportion, the prepared composite material liquid 2 has the best waterproof, anticorrosion and flame retardant properties. The graphene is not easy to agglomerate in the proportion, and the rich oxygen-containing groups can adjust the dispersion performance in the composite material, so that the tensile strength, the elongation at break, the impermeability and the like of the high-precision wax tape are improved.

Further, the flexible carrier 1 is a non-woven fabric made of polypropylene fiber, polyacrylonitrile fiber, polyethylene fiber, or polyester chemical fiber. The non-woven fabric is used as a framework of the refined wax tape, a good support is formed for the refined wax tape, the prepared refined wax tape is guaranteed to have a certain thickness, the thickness can guarantee the waterproof and anti-corrosion performance, and the refined wax tape is prevented from being difficult to be fixedly wrapped on a building or mechanical equipment like an anti-corrosion coating.

More preferably, the flexible carrier 1 is a nonwoven fabric made of polypropylene fibers. The polypropylene fiber is light, has the characteristics of high strength, good elasticity, wear resistance and corrosion resistance, and further improves the stretchability and the fracture resistance of the fine wax belt.

Furthermore, the monofilament of the polypropylene fiber, the polyacrylonitrile fiber, the polyethylene fiber or the polyester chemical fiber is 2D-6D, the tensile strength of the flexible carrier 1 is 50-100 kN/m, and the tensile rate is less than 30%. The non-woven fabric prepared under the conditions has high strength and good elasticity, and the stretchability and the fracture resistance of the refined wax belt are further improved.

Further, the flexible carrier 1 has a thickness of 0.1-0.4 mm, a width of 1-30 inches, and a strength of 100-400 g/square meter. The flexible carrier 1 is ensured to have a certain thickness to be wrapped on a building or mechanical equipment, and the waterproof, anti-corrosion and flame-retardant effects are better achieved. And possess certain width then can carry out the cladding to building or mechanical equipment, avoid the disappearance that needs the parcel position, also can tailor the wax refining area, more adapt to the parcel thing. The strength of the flexible carrier 1 further ensures that the wax refining strip is not prone to breaking.

Further, the graphene is one or more of oxidized graphene and natural graphene.

More preferably, the mass ratio of the oxidized graphene to the natural graphene in the graphene is 1: 1-2. More preferably, the mass ratio of the oxidized graphene to the natural graphene in the graphene is 1: 1.3. The waterproof, anticorrosive and flame retardant properties of the oxidized graphene are superior to those of natural graphene. However, the surface of the oxidized graphene has a large number of functional groups, such as carboxyl, hydroxyl and epoxy, so that the oxidized graphene is easy to react with other organic matters and agglomerate, while the natural graphene does not have such a multifunctional group and is not easy to agglomerate, and the natural graphene is doped in the oxidized graphene, so that the agglomeration of the oxidized graphene can be prevented, and the good waterproof, anticorrosive and flame retardant properties of the oxidized graphene can be better exerted.

Further, the high temperature resistant range of the refined wax belt is 50-250 ℃. The temperature resistance range of the refined wax band can be changed by changing the content of the refined wax. The refined wax belt can be divided into general types, and the high temperature resistance range of the refined wax belt is 50-65 ℃; the medium-temperature type has high temperature resistance of 80-125 ℃; the high-temperature resistant range of the high-temperature resistant type is 125-250 ℃.

The invention also provides a preparation method of the fine wax ribbon based on the nano graphene, which comprises the following steps:

s1, preparing composite material liquid 2.

Further, the preparation process of the composite material liquid 2 comprises the following steps:

s11, mixing and heating polyethylene wax, paraffin, lauric acid, glycerol, epoxidized soybean oil, a stabilizer, a plasticizer, polyvinylpyrrolidone, fine wax, stearic acid and white wax oil at the temperature of 150-200 ℃ for 45-75 min until the mixture is completely melted according to the mixture ratio of the raw materials to obtain a primary mixed solution. Dissolving refined wax to form liquid, so that subsequent graphene can be conveniently dispersed.

And S12, adding graphite and graphene into the primary mixed solution until the graphite and the graphene are completely molten. The graphite and the graphene are uniformly dispersed in the mixed solution, and a lamellar structure of the graphene is formed in the primary mixed solution, so that the waterproof, anticorrosion and flame retardant properties of the graphene are ensured.

And S13, adding zinc oxide, titanium dioxide, calcium carbonate, kaolin, talcum powder, aluminum powder, zinc powder, mica cloud, silicon dioxide, antimony trioxide, ferrophosphorus zinc silicon powder and ferrophosphorus powder, and continuously mixing for 30-60 min. The filler can be mixed in a lamellar structure formed by graphite after being added, so that not only can the gap between graphene be filled, but also the performance of the fine wax band can be improved.

And S14, finally adding a UV absorbent and a defoaming agent, remelting for 10-30 min, and standing for 2h to obtain the composite material liquid 2. The UV absorber reduces the crosslinking density of the composite liquid 2 and is therefore not suitable for premature introduction. The defoamer, acting as a surfactant, also changes the degree of cross-linking between the components.

S2, cutting the flexible carrier 1 into a proper size, and soaking the flexible carrier 1 in the composite material liquid 2 for 0.5-2 min at 90-150 ℃ to obtain a prefabricated body.

And S3, rolling the prefabricated body into a round shape after the steps of pressing and drying to obtain the fine wax ribbon.

Specifically, as shown in fig. 2, after cutting the flexible carrier 1 into a suitable size, placing the flexible carrier on three rolling wheels, conveying the flexible carrier 1 into a raw material tank with a composite material liquid 2 under the action of the rolling wheels, soaking the composite material liquid 2 for 0.5-2 min, then taking out the prefabricated body from the raw material tank through another three rolling wheels, and pressing the prefabricated body under the action of the rolling wheels, so that gaps of the prepared refined wax tape are further reduced, and the waterproof and anticorrosive performance is improved. The thickness of the fine wax band can be adjusted through multiple dipping and pressing steps, the thickness range is 0.1 mm-1 mm, and then the fine wax band is curled after being dried, so that the fine wax band is manufactured.

According to the nano-graphene-based wax refining belt and the preparation method thereof, provided by the invention, graphene is applied to the field of corrosion prevention, the graphene has excellent barrier property and excellent chemical stability, and the corrosion prevention of buildings and metal parts is greatly improved due to the ultra-large surface area. The application field of the graphene is greatly improved by preparing a composite material of natural type and oxidized type graphene and non-woven fabric, and the refined wax tape product provided by the invention can be applied to the fields of wind power, thermal power, thermoelectric power, nuclear power, petrochemical storage tanks, gas, pipeline valves and the like as shown in figure 3, and solves the problems that the traditional graphene coating cannot achieve the adhesion to metal parts, the wear resistance, the corrosion resistance, the water resistance, the environmental protection, the safety, no secondary pollution and the like.