阅读说明：本技术 一种节能环保热熔型涂料及其制备方法 (Energy-saving environment-friendly hot-melt coating and preparation method thereof ) 是由 杜帆 张安冬 杨晓林 张丽 彭俊 于 2021-04-08 设计创作，主要内容包括：本发明公开了一种节能环保热熔型涂料及其制备方法,其原料的重量份组成为：14份碳五石油树脂、0.8～1份PE蜡、1～1.2份二辛脂、50份60目石英砂、40～45份325目碳酸钙粉、2～3份钛白粉、2.8～4.8份塑料颗粒、0.1～0.3份硬脂酸锌。本发明通过添加的硬脂酸锌流平剂与塑料的组份配比,兼顾了增加热熔涂料的附着力并降低了施工的熔融温度两个主要技术指标的平衡,并提高了原料各组份的相容性和涂料流动性,熔化温度为120-130℃,同时提高了划线的渗透附着力、耐磨性和柔韧性,降低了碳五石油树脂的用量,平均一吨热熔涂料柴油使用量仅为20L,大大减少的柴油的使用量,大大降低了石油能源的消耗和污染排放。(The invention discloses an energy-saving environment-friendly hot-melt coating and a preparation method thereof, wherein the coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.8-1 part of PE wax, 1-1.2 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 40-45 parts of 325-mesh calcium carbonate powder, 2-3 parts of titanium dioxide, 2.8-4.8 parts of plastic particles and 0.1-0.3 part of zinc stearate. According to the invention, by the component proportion of the added zinc stearate leveling agent and the plastic, the adhesion of the hot-melt coating is increased, the balance of two main technical indexes of construction melting temperature is reduced, the compatibility of each component of the raw materials and the coating fluidity are improved, the melting temperature is 120-130 ℃, the penetrating adhesion, the wear resistance and the flexibility of the marking are improved, the consumption of the petroleum resin containing five carbon atoms is reduced, the average consumption of the diesel oil of the hot-melt coating per ton is only 20L, the consumption of the diesel oil is greatly reduced, and the consumption of petroleum energy and pollution emission are greatly reduced.)

1. An energy-saving environment-friendly hot-melt coating is characterized by comprising the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.8-1 part of PE wax, 1-1.2 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 40-45 parts of 325-mesh calcium carbonate powder, 2-3 parts of titanium dioxide, 2.8-4.8 parts of plastic particles and 0.1-0.3 part of zinc stearate.

2. The energy-saving environment-friendly hot melt coating as claimed in claim 1, wherein the plastic particles are regenerated plastic particles with a particle size of 20-40 meshes.

3. The energy-saving environment-friendly hot melt coating as claimed in claim 2, wherein the recycled plastic particles comprise particles of one or more of nylon, polyethylene, EVA, polypropylene and PVC.

4. An energy-saving environment-friendly hot melt coating as claimed in claim 3, which is characterized by comprising the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 45 parts of 325-mesh calcium carbonate powder, 2 parts of titanium dioxide, 2.8 parts of plastic particles and 0.3 part of zinc stearate, wherein the plastic particles are nylon and polyethylene recycled plastic mixture particles with the particle size of 20 meshes.

5. An energy-saving environment-friendly hot melt coating as claimed in claim 3, which is characterized by comprising the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 42 parts of 325-mesh calcium carbonate powder, 2.5 parts of titanium dioxide, 3.2 parts of plastic and 0.2 part of zinc stearate, wherein the plastic particles are polypropylene regenerated plastic particles with the particle size of 30 meshes.

6. An energy-saving environment-friendly hot melt coating as claimed in claim 3, which is characterized by comprising the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.2 parts of dioctyl ester, 50 parts of 60-mesh quartz sand, 40 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide, 4.8 parts of plastic and 0.1 part of zinc stearate, wherein the plastic particles are EVA, polypropylene and PVC recycled plastic mixture particles with the particle size of 40 meshes.

7. The preparation method of the energy-saving and environment-friendly hot melt coating as claimed in any one of claims 1 to 6, characterized by comprising the following steps:

A. the raw materials of the components are added into a stirring container in sequence according to the proportion: 325-mesh calcium carbonate powder, 60-mesh quartz sand, carbon five petroleum resin, PE wax, titanium dioxide, 20-40-mesh plastic particles and zinc stearate, and finally adding dioctyl ester, wherein the raw materials are continuously stirred in the adding process, the interval is 1-2 min before each raw material is added, and the raw materials are uniformly stirred for 20-30 min after the dioctyl ester is added; packaging after discharging to obtain a solid hot-melt coating;

B. and C, putting the solid hot-melt coating obtained in the step A into a heating kettle, starting heating, continuously stirring in the melting process, heating to 120-130 ℃, melting to be in a molten flowing state, and then preserving heat for 2-4 min, so that the construction of marking lines on roads can be carried out.

Technical Field

The invention relates to the technical field of chemical coatings, in particular to an energy-saving and environment-friendly hot-melt coating and a preparation method thereof.

Background

At present, road markings are important components of modern traffic signs, the road markings are usually hot-melt coatings, the main components of the existing hot-melt coatings are carbon five petroleum resin from petrochemical industry, the hot-melt coatings need to be heated to 180-200 ℃ on site for use, the average amount of diesel fuel used for heating one ton of hot-melt coatings is 33L, according to incomplete statistics, the amount of the hot-melt coatings used in the country every year is about 80 ten thousand tons, the amount of the diesel fuel used for heating the hot-melt coatings in road marking construction every year is about 2640 ten thousand tons, and great air pollution is generated.

Disclosure of Invention

In order to overcome the defects in the background art, the invention provides an energy-saving and environment-friendly hot-melt coating and a preparation method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: an energy-saving environment-friendly hot-melt coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.8-1 part of PE wax, 1-1.2 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 40-45 parts of 325-mesh calcium carbonate powder, 2-3 parts of titanium dioxide, 2.8-4.8 parts of plastic particles and 0.1-0.3 part of zinc stearate.

Furthermore, the plastic particles are regenerated plastic particles, the particle size is 20-40 meshes, energy conservation and emission reduction can be realized by using the regenerated plastic, and the cost of the coating is reduced. The recycled plastic particles are crushed into particles with the particle size of 20-40 meshes, so that the particles are uniformly dispersed, the compatibility with other components during melting can be improved, and the effects of quickly melting the coating and reducing the melting temperature of the coating and the consumption of diesel fuel are realized.

Furthermore, the regenerated plastic particles comprise particles of one or more than one of nylon, polyethylene, EVA, polypropylene and PVC.

The further preferable components are the energy-saving environment-friendly hot-melt coating which is realized in any mode and comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 45 parts of 325-mesh calcium carbonate powder, 2 parts of titanium dioxide, 2.8 parts of plastic particles and 0.3 part of zinc stearate, wherein the plastic particles are nylon and polyethylene recycled plastic mixture particles with the particle size of 20 meshes.

Preferably, the energy-saving and environment-friendly hot-melt coating material of any implementation manner comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 42 parts of 325-mesh calcium carbonate powder, 2.5 parts of titanium dioxide, 3.2 parts of plastic and 0.2 part of zinc stearate, wherein the plastic particles are polypropylene regenerated plastic particles with the particle size of 30 meshes.

Preferably, the energy-saving and environment-friendly hot-melt coating material of any implementation manner comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.2 parts of dioctyl ester, 50 parts of 60-mesh quartz sand, 40 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide, 4.8 parts of plastic and 0.1 part of zinc stearate, wherein the plastic particles are EVA, polypropylene and PVC recycled plastic mixture particles with the particle size of 40 meshes.

The invention also provides a preparation method of the energy-saving environment-friendly hot-melt coating, which comprises the following steps:

A. the raw materials of the components are added into a stirring container in sequence according to the proportion: 325-mesh calcium carbonate powder, 60-mesh quartz sand, carbon five petroleum resin, PE wax, titanium dioxide, 20-40-mesh plastic particles and zinc stearate, and finally adding dioctyl ester, wherein the raw materials are continuously stirred in the adding process, the interval is 1-2 min before each raw material is added, and the raw materials are uniformly stirred for 20-30 min after the dioctyl ester is added; packaging after discharging to obtain a solid hot-melt coating;

B. and C, putting the solid hot-melt coating obtained in the step A into a heating kettle, starting heating, continuously stirring in the melting process, heating to 120-130 ℃, melting to be in a molten flowing state, and then preserving heat for 2-4 min, so that the construction of marking lines on roads can be carried out.

The hot-melt coating has the beneficial effects that the plastic and the zinc stearate are added, the plastic component has the effects of improving the adhesive force of the coating and reducing the construction melting temperature, and the zinc stearate component has the effects of reducing the construction melting temperature of the coating, reducing the melting time, increasing the fluidity and permeability of the coating and increasing the compatibility of each component; meanwhile, the coating has the advantages of improving the osmotic adhesion, wear resistance and flexibility, reducing the consumption of hydrocarbon resin and having excellent technical effects.

The melting temperature of the novel hot-melt coating is 120-130 ℃, the melting temperature is reduced by 60-80 ℃ compared with the existing hot-melt coating, and the diesel oil usage amount of one ton of hot-melt coating is only 20L on average. The usage amount of the hot-melt coating is counted by 80 ten thousand tons every year in China, the usage amount of diesel oil is 2640 ten thousand tons/year when the common hot-melt coating is used, the usage amount of the diesel oil is only 1600 ten thousand tons/year when the novel hot-melt coating is used, 1040 ten thousand tons/year can be saved every year, the usage amount of the diesel oil is greatly reduced, the combustion emission of the diesel oil is reduced, meanwhile, the usage amount of carbon five petroleum resins from petrochemical industry is reduced, and the remarkable energy-saving and emission-reducing effects are achieved.

The plastic particles can utilize various recycled plastics to realize the recycling of the plastics and reduce the cost, and the invention has the advantages of simple process, environmental protection, high efficiency, low cost and the like, has obvious progress compared with the prior hot-melt coating, and greatly reduces the consumption of petroleum energy and the pollution emission to the environment.

Detailed Description

The following examples are provided to illustrate an energy-saving and environment-friendly hot-melt type coating material and a preparation method thereof, but are not intended to limit the scope of the present invention.

Example 1

An energy-saving environment-friendly hot-melt coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 45 parts of 325-mesh calcium carbonate powder, 2 parts of titanium dioxide, 2.8 parts of plastic particles and 0.3 part of zinc stearate, wherein the plastic particles are nylon and polyethylene recycled plastic mixture particles with the particle size of 20 meshes.

The preparation method comprises the following steps:

A. the raw materials of the components are added into a stirring container in sequence according to the proportion: 325-mesh calcium carbonate powder, 60-mesh quartz sand, carbon five petroleum resin, PE wax, titanium dioxide, 20-40-mesh plastic particles and zinc stearate, and finally adding dioctyl ester, wherein the raw materials are continuously stirred in the adding process, the interval is 1-2 min before each raw material is added, and the raw materials are uniformly stirred for 20-30 min after the dioctyl ester is added; packaging after discharging to obtain a solid hot-melt coating;

B. and C, putting the solid hot-melt coating obtained in the step A into a heating kettle, starting heating, continuously stirring in the melting process, heating to 120-130 ℃, melting to be in a molten flowing state, and then preserving heat for 2-4 min, so that the construction of marking lines on roads can be carried out.

Practical test the hot melt coating of example 1 was compared to the performance index of a conventional hot melt coating without zinc stearate and plastic component on the market as follows:

example 2

An energy-saving environment-friendly hot-melt coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.1 part of dioctyl ester, 50 parts of 60-mesh quartz sand, 42 parts of 325-mesh calcium carbonate powder, 2.5 parts of titanium dioxide, 3.2 parts of plastic and 0.2 part of zinc stearate, wherein the plastic particles are polypropylene regenerated plastic particles with the particle size of 30 meshes.

The preparation method comprises the following steps:

A. the raw materials of the components are added into a stirring container in sequence according to the proportion: 325-mesh calcium carbonate powder, 60-mesh quartz sand, carbon five petroleum resin, PE wax, titanium dioxide, 20-40-mesh plastic particles and zinc stearate, and finally adding dioctyl ester, wherein the raw materials are continuously stirred in the adding process, the interval is 1-2 min before each raw material is added, and the raw materials are uniformly stirred for 20-30 min after the dioctyl ester is added; packaging after discharging to obtain a solid hot-melt coating;

B. and C, putting the solid hot-melt coating obtained in the step A into a heating kettle, starting heating, continuously stirring in the melting process, heating to 120-130 ℃, melting to be in a molten flowing state, and then preserving heat for 2-4 min, so that the construction of marking lines on roads can be carried out.

The following table compares the performance index of the hot melt coating of example 2 with that of a hot melt coating that is commercially available and does not contain zinc stearate and plastic components:

example 3

An energy-saving environment-friendly hot-melt coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 1 part of PE wax, 1.2 parts of dioctyl ester, 50 parts of 60-mesh quartz sand, 40 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide, 4.8 parts of plastic and 0.1 part of zinc stearate, wherein the plastic particles are EVA, polypropylene and PVC recycled plastic mixture particles with the particle size of 40 meshes.

The preparation method comprises the following steps:

A. the raw materials of the components are added into a stirring container in sequence according to the proportion: 325-mesh calcium carbonate powder, 60-mesh quartz sand, carbon five petroleum resin, PE wax, titanium dioxide, 20-40-mesh plastic particles and zinc stearate, and finally adding dioctyl ester, wherein the raw materials are continuously stirred in the adding process, the interval is 1-2 min before each raw material is added, and the raw materials are uniformly stirred for 20-30 min after the dioctyl ester is added; packaging after discharging to obtain a solid hot-melt coating;

B. and C, putting the solid hot-melt coating obtained in the step A into a heating kettle, starting heating, continuously stirring in the melting process, heating to 120-130 ℃, melting to be in a molten flowing state, and then preserving heat for 2-4 min, so that the construction of marking lines on roads can be carried out.

The following table compares the performance index of the hot melt coating of example 3 with that of a hot melt coating that is commercially available and does not contain zinc stearate and plastic components:

it should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.