CN113072825A - Environment-friendly hot-melt coating using recycled plastic and preparation method thereof - Google Patents
Environment-friendly hot-melt coating using recycled plastic and preparation method thereof Download PDFInfo
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- CN113072825A CN113072825A CN202110376908.2A CN202110376908A CN113072825A CN 113072825 A CN113072825 A CN 113072825A CN 202110376908 A CN202110376908 A CN 202110376908A CN 113072825 A CN113072825 A CN 113072825A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/65—Additives macromolecular
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Abstract
The invention discloses an environment-friendly hot-melt coating using recycled plastics 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 and 3-5 parts of regenerated plastic particles. The hot-melt coating disclosed by the invention utilizes the cleanly prepared regenerated plastic particles, the components of the regenerated plastic have the effects of improving the adhesive force of the coating and reducing the construction melting temperature, the melting time is shortened, the fluidity of the coating is increased, the compatibility and the fluidity of the coating of each component of the raw material are improved by adding the regenerated plastic particles with the particle size of 20-40 meshes, the melting temperature is reduced, and the coking and carbon deposition phenomena of the coating are not easy to occur; meanwhile, the coating has the advantages of improving the osmotic adhesion, wear resistance and flexibility, reducing the consumption of carbon five petroleum resin from the petrochemical industry and having very obvious technical effects.
Description
Technical Field
The invention relates to the technical field of chemical coatings, in particular to an environment-friendly hot-melt coating utilizing recycled plastics 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 existing hot-melt coatings for the road markings mainly use five-carbon resin as a main raw material, the five-carbon resin is sourced from petrochemical industry, the consumption of energy is higher when the usage amount of the resin is larger, the general hot-melt coatings need to be heated to 180-200 ℃ on site for use, the local temperature is higher, the coking phenomenon of the coatings is easy to occur, and the coating waste and the air pollution are caused.
Meanwhile, the amount of waste plastics generated by waste plastic products is large, the chemical components of the waste plastics are nylon, polyethylene and the like, the waste plastics are generally recovered and treated by burying, and some manufacturers choose to burn, so that the atmosphere environment or soil can be polluted no matter burying or burning.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides an environment-friendly hot-melt coating utilizing recycled plastics and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: an environment-friendly hot-melt coating utilizing recycled plastics 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 and 3-5 parts of regenerated plastic particles.
Further preferably, the regenerated plastic particles are one or more than one mixture particles of nylon, polyethylene, EVA and polypropylene.
Preferably, the particle size of the regenerated plastic particles is 20-40 meshes, and the regenerated plastic particles are crushed into 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.
Further, the preparation method of the recycled plastic particles comprises the following steps:
a. soaking the regenerated plastic in 90% ethanol for 1h, and cleaning;
b. air-drying for 30min by air-drying equipment at the temperature of 35-40 ℃;
c. and then crushing the mixture into particles with the particle size of 20-40 meshes by a crusher to obtain the regenerated plastic particles.
After 90% ethanol soaking and air drying, impurities and dirt in the plastic are removed, clean regenerated plastic can be obtained, and the influence of the impurities on the performance of the hot-melt coating is avoided.
The further coating preferably comprises the following components in parts by weight: 14 parts of carbon five petroleum resin, 0.8 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, 2 parts of titanium dioxide and 3 parts of regenerated plastic particles, wherein the plastic particles are nylon and polyethylene regenerated plastic mixture particles with the particle size of 20 meshes.
Preferably, the raw materials comprise the following components in parts by weight: 14 parts of carbon five petroleum resin, 0.9 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, 2.3 parts of titanium dioxide and 4 parts of recycled plastic particles, wherein the plastic particles are nylon EVA and polypropylene recycled plastic mixture particles with the particle size of 30 meshes.
Preferably, the raw materials comprise the following components 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, 45 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide and 5 parts of regenerated plastic particles, wherein the plastic particles are polypropylene regenerated plastic particles with the particle size of 40 meshes.
The invention also provides a preparation method of the environment-friendly hot-melt coating by using the recycled plastic, which comprises the following steps:
A. sequentially putting 325-mesh calcium carbonate powder, 60-mesh quartz sand, titanium dioxide, regenerated plastic particles, PE wax and carbon five petroleum resin into a dispersion machine according to the weight parts, wherein the adding interval time of each material is 2 min, and continuously stirring and dispersing in the adding process;
B. pumping the dioctyl ester to the top of the dispersion machine according to the weight parts, and uniformly spraying the dioctyl ester from the top into the dispersion machine which is stirring and dispersing by adopting a spraying mode;
C. continuously stirring and dispersing for 5 min, uniformly mixing and packaging to obtain the solid hot-melt coating.
The hot-melt coating disclosed by the invention has the beneficial effects that the hot-melt coating adopts the clean regenerated plastic particles to realize the regeneration and use of plastics, and the regenerated plastic components have the effects of improving the adhesive force of the coating and reducing the construction melting temperature, and have the effects of reducing the melting time, increasing the fluidity and permeability of the coating and increasing the compatibility of all the components; the plastic particles in the components are matched with other components, the melting temperature of construction is reduced, the adhesive force of the hot-melt coating is increased, the two main technical indexes are balanced, the regenerated plastic particles are crushed into particles with the particle size of 20-40 meshes, the compatibility and the coating flowability of the components of the raw materials are improved, the melting temperature is reduced, and the coking and carbon deposition phenomena of the coating are not easy to occur; the plastic particle component simultaneously improves the penetrating adhesion, the wear resistance and the flexibility of the coating, reduces the consumption of the petroleum resin derived from the petrochemical carbon five, reduces the production cost and has very obvious technical effect.
The novel hot-melt coating has the melting temperature of 162-175 ℃, is reduced by 10-30 ℃ compared with the existing hot-melt coating, and reduces the consumption and combustion emission of diesel oil for heating; 30-50 kilograms of recycled plastics can be used for each ton of hot-melt coating, the using amount of the hot-melt coating is counted as 80 ten thousand tons every year in China, 240-400 ten thousand tons of recycled plastics can be used every year, the environmental pollution caused by waste plastics is greatly reduced, and the treatment cost of the environment is saved. The hot-melt coating provided by the invention simultaneously reduces the consumption of carbon five petroleum resin from petrochemical industry, and has very obvious energy-saving and emission-reducing effects.
The plastic particles can utilize various recycled plastics, so that the recycling of the plastics is realized, and the cost is reduced; 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 environment-friendly hot-melt coating utilizing recycled plastics comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.8 part of PE wax, 1.2 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 40 parts of 325-mesh calcium carbonate powder, 2 parts of titanium dioxide and 3 parts of regenerated plastic particles.
The regenerated plastic particles are nylon, polyethylene and EVA regenerated plastic mixture particles with the particle size of 20 meshes, and are prepared according to the following process steps:
a. soaking the regenerated plastic in 90% ethanol for 1h, and cleaning;
b. air-drying for 30min by air-drying equipment at the temperature of 35-40 ℃;
c. then the mixture is crushed into particles with the particle size of 20 meshes by a crusher to prepare the regenerated plastic particles.
Preparing a solid hot-melt coating:
A. sequentially putting 325-mesh calcium carbonate powder, 60-mesh quartz sand, titanium dioxide, regenerated plastic particles, PE wax and carbon five petroleum resin into a dispersion machine according to the weight parts, wherein the adding interval time of each material is 2 min, and continuously stirring and dispersing in the adding process;
B. pumping the dioctyl ester to the top of the dispersion machine according to the weight parts, and uniformly spraying the dioctyl ester from the top into the dispersion machine which is stirring and dispersing by adopting a spraying mode;
C. continuously stirring and dispersing for 5 min, uniformly mixing and packaging to obtain the solid hot-melt coating.
And (3) putting the solid hot-melt coating into a heating kettle, starting heating, continuously stirring, heating to 160-170 ℃ for melting, and keeping the temperature for 2-4 min, so that the coating can be used for marking a road.
Practical test the hot melt coating of example 1 was compared to the existing commercial conventional hot melt coating without plastic component for performance index test as follows:
example 2
An environment-friendly hot-melt coating utilizing recycled plastics comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.9 part of PE wax, 1.1 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 42 parts of 325-mesh calcium carbonate powder, 2.3 parts of titanium dioxide and 4 parts of recycled plastic particles.
The regenerated plastic particles are EVA and PVC regenerated plastic mixture particles with the particle size of 30 meshes, and are prepared according to the following process steps:
a. soaking the regenerated plastic in 90% ethanol for 1h, and cleaning;
b. air-drying for 30min by air-drying equipment at the temperature of 35-40 ℃;
c. then the mixture is crushed into 30 meshes by a crusher to obtain the regenerated plastic particles.
Preparing a solid hot-melt coating:
A. sequentially putting 325-mesh calcium carbonate powder, 60-mesh quartz sand, titanium dioxide, regenerated plastic particles, PE wax and carbon five petroleum resin into a dispersion machine according to the weight parts, wherein the adding interval time of each material is 2 min, and continuously stirring and dispersing in the adding process;
B. pumping the dioctyl ester to the top of the dispersion machine according to the weight parts, and uniformly spraying the dioctyl ester from the top into the dispersion machine which is stirring and dispersing by adopting a spraying mode;
C. continuously stirring and dispersing for 5 min, uniformly mixing and packaging to obtain the solid hot-melt coating.
And (3) putting the solid hot-melt coating into a heating kettle, starting heating, continuously stirring, heating to 160-170 ℃ for melting, and keeping the temperature for 2-4 min, so that the coating can be used for marking a road.
Practical test the hot melt coating of example 2 was compared to the conventional commercially available hot melt coating without plastic component for performance index test as follows:
example 3
An environment-friendly hot-melt coating utilizing recycled plastics 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, 45 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide and 5 parts of regenerated plastic particles.
The recycled plastic particles are polypropylene recycled plastic particles with the particle size of 40 meshes, and are prepared according to the following process steps:
a. soaking the regenerated plastic in 90% ethanol for 1h, and cleaning;
b. air-drying for 30min by air-drying equipment at the temperature of 35-40 ℃;
c. then the mixture is crushed into 40-mesh particles by a crusher to obtain the regenerated plastic particles.
Preparing a solid hot-melt coating:
A. sequentially putting 325-mesh calcium carbonate powder, 60-mesh quartz sand, titanium dioxide, regenerated plastic particles, PE wax and carbon five petroleum resin into a dispersion machine according to the weight parts, wherein the adding interval time of each material is 2 min, and continuously stirring and dispersing in the adding process;
B. pumping the dioctyl ester to the top of the dispersion machine according to the weight parts, and uniformly spraying the dioctyl ester from the top into the dispersion machine which is stirring and dispersing by adopting a spraying mode;
C. continuously stirring and dispersing for 5 min, uniformly mixing and packaging to obtain the solid hot-melt coating.
And (3) putting the solid hot-melt coating into a heating kettle, starting heating, continuously stirring, heating to 160-170 ℃ for melting, and keeping the temperature for 2-4 min, so that the coating can be used for marking a road.
Practical test the hot melt coating of example 3 was compared to the conventional commercially available hot melt coating without plastic component for performance index test as follows:
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.
Claims (8)
1. An environment-friendly hot-melt coating using recycled plastics 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 and 3-5 parts of regenerated plastic particles.
2. The environment-friendly hot melt coating using recycled plastic as claimed in claim 1, wherein the recycled plastic particles are one or more mixture particles of nylon, polyethylene, EVA and polypropylene.
3. The environment-friendly hot melt coating using recycled plastic as claimed in claim 2, wherein the recycled plastic particles have a particle size of 20-40 mesh.
4. The environment-friendly hot melt coating using recycled plastic as claimed in claim 2, wherein the preparation method of the recycled plastic granules comprises the steps of:
a. soaking the regenerated plastic in 90% ethanol for 1h, and cleaning;
b. air-drying for 30min by air-drying equipment at the temperature of 35-40 ℃;
c. and then crushing the mixture into particles with the particle size of 20-40 meshes by a crusher to obtain the regenerated plastic particles.
5. The environment-friendly hot melt coating using recycled plastic as claimed in claim 4, wherein the coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.8 part of PE wax, 1.2 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 40 parts of 325-mesh calcium carbonate powder, 2 parts of titanium dioxide and 3 parts of regenerated plastic particles.
6. The environment-friendly hot melt coating using recycled plastic as claimed in claim 4, wherein the coating comprises the following raw materials in parts by weight: 14 parts of carbon five petroleum resin, 0.9 part of PE wax, 1.1 parts of dioctyl phthalate, 50 parts of 60-mesh quartz sand, 42 parts of 325-mesh calcium carbonate powder, 2.3 parts of titanium dioxide and 4 parts of recycled plastic particles.
7. The environment-friendly hot melt coating using recycled plastic as claimed in claim 4, wherein the 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, 45 parts of 325-mesh calcium carbonate powder, 3 parts of titanium dioxide and 5 parts of regenerated plastic particles.
8. The method for preparing the environment-friendly hot melt coating by using the recycled plastic according to any one of claims 1 to 7, characterized by comprising the following steps:
A. sequentially putting 325-mesh calcium carbonate powder, 60-mesh quartz sand, titanium dioxide, regenerated plastic particles, PE wax and carbon five petroleum resin into a dispersion machine according to the weight parts, wherein the adding interval time of each material is 2 min, and continuously stirring and dispersing in the adding process;
B. pumping the dioctyl ester to the top of the dispersion machine according to the weight parts, and uniformly spraying the dioctyl ester from the top into the dispersion machine which is stirring and dispersing by adopting a spraying mode;
C. continuously stirring and dispersing for 5 min, uniformly mixing and packaging to obtain the solid hot-melt coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110376908.2A CN113072825A (en) | 2021-04-08 | 2021-04-08 | Environment-friendly hot-melt coating using recycled plastic and preparation method thereof |
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| CN202110376908.2A CN113072825A (en) | 2021-04-08 | 2021-04-08 | Environment-friendly hot-melt coating using recycled plastic and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301050A (en) * | 1979-06-07 | 1981-11-17 | Atom Chemical Paint Co., Ltd. | Road marking composition |
| US20070251412A1 (en) * | 2002-08-30 | 2007-11-01 | Toda Kogyo Corporation | Color agent for road marking material and road making material using the same |
| CN101177587A (en) * | 2006-11-07 | 2008-05-14 | 吕耀康 | Hot-melting road mark paint prepared by employing waste plastics |
| CN101338152A (en) * | 2007-07-20 | 2009-01-07 | 潘东海 | Road reflective marker line coating |
| KR102132329B1 (en) * | 2020-05-28 | 2020-08-06 | 하이로드켐텍 주식회사 | Hot melt plastic paint for road marking and manufacturing method thereof |
-
2021
- 2021-04-08 CN CN202110376908.2A patent/CN113072825A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301050A (en) * | 1979-06-07 | 1981-11-17 | Atom Chemical Paint Co., Ltd. | Road marking composition |
| US20070251412A1 (en) * | 2002-08-30 | 2007-11-01 | Toda Kogyo Corporation | Color agent for road marking material and road making material using the same |
| CN101177587A (en) * | 2006-11-07 | 2008-05-14 | 吕耀康 | Hot-melting road mark paint prepared by employing waste plastics |
| CN101338152A (en) * | 2007-07-20 | 2009-01-07 | 潘东海 | Road reflective marker line coating |
| KR102132329B1 (en) * | 2020-05-28 | 2020-08-06 | 하이로드켐텍 주식회사 | Hot melt plastic paint for road marking and manufacturing method thereof |
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