CN110982150A - Frosted architectural decoration plastic composite board and preparation method thereof - Google Patents

Frosted architectural decoration plastic composite board and preparation method thereof Download PDF

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Publication number
CN110982150A
CN110982150A CN201911315583.6A CN201911315583A CN110982150A CN 110982150 A CN110982150 A CN 110982150A CN 201911315583 A CN201911315583 A CN 201911315583A CN 110982150 A CN110982150 A CN 110982150A
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frosted
composite board
plastic composite
plastic
architectural decoration
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曾军堂
陈庆
唐跃
刘超
何方
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Chengdu New Keli Chemical Science Co Ltd
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Chengdu New Keli Chemical Science Co Ltd
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Abstract

The invention provides a frosted plastic composite board for architectural decoration and a preparation method thereof, wherein the plastic composite board is prepared by preparing a frosted spraying liquid from titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion, then preparing a board from raw materials of recycled plastic, fly ash, nano-silica fume, a coupling agent, a lubricant, a heat stabilizer and an antioxidant, then spraying silicone emulsion on the surface of the board, and then spraying the frosted spraying liquid on the surface of the board for drying. The recycled plastic composite board provided by the invention has high toughness and strength, has good porcelain-like white and frosted effects, improves the quality of the board, can prevent the recycled plastic in the board from being degraded by illumination, has high strength and bright appearance and color, is suitable for various decorative boards in the field of buildings, and effectively promotes the application of the waste recycled plastic in the field of buildings.

Description

Frosted architectural decoration plastic composite board and preparation method thereof
Technical Field
The invention relates to the technical field of building plastics, in particular to a frosted building decoration plastic composite board and a preparation method thereof.
Background
The plastic is a material which takes synthetic or natural high molecular organic compound as a main raw material, is plasticized and formed under certain conditions, and can keep the shape of a product unchanged at normal temperature and normal pressure. As a plastic high polymer material, the plastic can replace steel and wood in construction to be used for preparing various plastic doors and windows, plastic pipelines, plastic floors, decorative materials and the like, and is widely applied to the field of construction.
The construction field is a huge field, and with the application of plastics in the construction field, the demand is more and more, so that people have to consider the recycling of plastics. Renewable resources have become a very important source of raw materials for industrial production. The recycled plastics industry has become a new trend in the plastics industry. After the plastic is used in large quantities, the biggest problem that arises is the recycling of the plastic. The plastic can be recycled, and can be produced into recycled plastic after being recycled, and the recycled plastic is a typical environment-friendly material.
The recycling is the necessary way for the continuous development of the plastic industry. In the current increasingly deficient environment of various resources, the recovery of the plastic is not only beneficial to the protection of the environment and the human health, but also can relieve the contradiction between the supply and demand of the plastic raw materials, save the resources and simultaneously is also beneficial to the sustainable development of the country. Therefore, the plastic industry is continuously carrying out technical improvement and sustainable development. However, the recycling of waste plastics can seriously affect the quality of use. Therefore, the research on the method for preparing the building plastic by the waste plastic is widely regarded.
The Chinese patent application No. 201310338753.9 discloses a composite board made of modified phosphorus slag and waste plastics and a production method thereof, wherein the composite board is prepared by mixing the modified phosphorus slag and the waste plastics according to a certain weight ratio and then carrying out hot pressing; the high-strength composite board is prepared by adopting the waste polypropylene, the polyethylene plastic and the industrial waste residue phosphorus slag as main raw materials and adopting a proper preparation method, thereby not only reducing the pollution of the waste plastic and the phosphorus slag to the environment, but also adding a new material for the building engineering. The Chinese invention patent application No. 01130675.0 discloses a light white marble-imitated building decoration material made of waste plastic ceramic powder and a manufacturing method thereof, belonging to the field of environmental protection and building materials, and the material comprises the following components in percentage by weight: 21-60% of waste polyethylene particles, 0-18% of waste polystyrene particles, 35-65% of cooked ceramic powder and 0-5% of pigment; the waste polyethylene and/or polystyrene are crushed into small blocks with the size of 2-3mm, the waste ceramic is crushed into particles with the size of 1000-1500 meshes, the two are uniformly mixed with the pigment, the mixture is heated to 90-95 ℃, and the mixture is put into a die and pressed for 5-10min by a press machine.
In order to improve the strength and appearance color degree of building materials prepared by recycling waste plastics, a novel building plastic composite material is needed, and the application of the recycled plastics in the building field is further effectively expanded.
Disclosure of Invention
Aiming at the defects of low strength and poor appearance color of the existing waste plastic recycled in buildings, the invention provides a frosted architectural decoration plastic composite board and a preparation method thereof, thereby effectively promoting the application of the waste recycled plastic in the field of buildings.
In order to solve the problems, the invention adopts the following technical scheme:
a frosted plastic composite board for building decoration is prepared through preparing frosted spray liquid from titanium white powder, zinc white powder, melamine powder, ceramic powder, aluminium hydroxide sol and teflon emulsion, preparing board from regenerated plastics, powdered coal ash, nano-class silica fume, coupling agent, lubricant, heat stabilizer and antioxidant, spraying silicone emulsion on the surface of board, and spraying frosted spray liquid on the surface of board.
Preferably, the titanium dioxide is ZR-960 rutile type titanium dioxide, and the particle size is 1-10 μm.
Preferably, the particle size of the zinc white powder is 4-15 μm.
Preferably, the particle size of the ceramic powder is 5-8 μm.
Preferably, the mass ratio of the aluminum hydroxide sol to the polytetrafluoroethylene emulsion is 3:5, the mass concentration of the aluminum hydroxide sol is 5-8%, and the mass concentration of the polytetrafluoroethylene emulsion is 10-15%.
Preferably, the recycled plastic is one or a combination of more than two of polyethylene, polypropylene, polystyrene and polyvinyl chloride, and the recycled plastic is recycled thermoplastic plastic which is washed, dried, extruded and granulated for later use.
Preferably, the fly ash is dried and then refined to a particle size of 1000 meshes.
Preferably, the coupling agent is one of titanate coupling agent and silane coupling agent, the titanate coupling agent is one of isopropyl tri (isostearyl) titanate, isopropyl tri (dioctyl pyrophosphoryl) titanate, di (dioctyl pyrophosphoryl) oxoacetate titanium, di (dioctyl pyrophosphoryl) ethylene titanate and isopropyl di (methacryloyl) isostearyl titanate, and the silane coupling agent is one of vinyl triethoxysilane, vinyl trimethoxysilane, vinyl tri (β -methoxyethoxy) silane, gamma-aminopropyltriethoxysilane and gamma-glycidoxypropyltrimethoxysilane.
Preferably, the lubricant is one of liquid paraffin and polyethylene wax.
Preferably, the heat stabilizer is one of calcium stearate and zinc stearate.
Preferably, the antioxidant is one of antioxidant 1076, antioxidant 1010, antioxidant 1024 and antioxidant 168.
Preferably, the silicone emulsion is 5-7222 LF with the mass concentration of 60-65%.
The invention also provides a preparation method of the frosted architectural decoration plastic composite board, which comprises the following steps:
(1) uniformly mixing titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion to prepare frosted spraying liquid;
(2) uniformly mixing the recycled plastic, the fly ash, the nano silica fume, the coupling agent, the lubricant, the heat stabilizer and the antioxidant at a high speed, adding the mixture into a screw extruder, and extruding the plate to form within a temperature range of 150-200 ℃ to obtain the plate;
(3) spraying the silicone emulsion on the surface of a hot plate which is just extruded to form a thin layer as an interface layer, so as to obtain the plate with the interface layer;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the thickness of 10-30 mu m, thus obtaining the frosted plastic composite board for architectural decoration.
Preferably, in the frosted spraying liquid in the step (1), the mass ratio of titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion is 5-8:5-8:3-5:5-10:20-35: 40-60.
Preferably, in the step (2), during the preparation of the plate, the mass ratio of the recycled plastic, the fly ash, the nano silica fume, the coupling agent, the lubricant, the heat stabilizer and the antioxidant is 100: 30-50:3-5:0.5-1:1-3:0.2-0.5:0.05-0.1.
As is well known, recycled plastics are mainly plastic raw materials obtained by processing waste plastics by physical or chemical methods such as pretreatment, melt granulation, modification, and the like, and are recycled plastics. However, the recycled plastic can seriously affect the use quality, on one hand, the color and luster of the plastic become dark, and the direct molding quality is obviously reduced; on the other hand, the recycled plastic has the defects that partial molecular chains are broken, the strength is reduced, and the recycled plastic is easily degraded by external illumination, so that the product is degraded.
The invention carries out modification by adding inorganic filler into the recycled plastic. The added nano silica fume not only has good small-size effect, but also has toughening function, so that the added nano silica fume can effectively improve the toughness of the hyperplastic plastic. In addition, the added fly ash is used as a novel multifunctional material, has wide application and higher economic value, is widely applied to fillers of plastics, rubber and paint, and is widely applied to refractory materials, heat insulation materials, wear-resistant materials, sound insulation materials and the like, waste resources are fully utilized by adding the fly ash to ensure the large-scale demand of the field of building materials, and the mechanical property of the recycled plastics can be effectively enhanced.
Furthermore, a thin layer of silicone emulsion is sprayed on the surface of the extruded sheet material while the sheet material is hot to serve as an interface layer, so that the silicone emulsion has good stability, the interface bonding performance can be improved, and the combination of the sheet material and the frosted spraying liquid can be improved.
Furthermore, the frosted spray coating liquid is prepared by taking titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion as raw materials. The titanium dioxide is preferably ZR-960 rutile type titanium dioxide, and both titanium dioxide and zinc dioxide can increase the frosted white effect; the melamine powder and the ceramic powder have excellent wear resistance and porcelain imitation, and can endow a spraying layer with frosting and porcelain imitation effects; the aluminum hydroxide sol and the polytetrafluoroethylene emulsion can react to form a compact organic-inorganic composite film, so that the internal regenerated plastic is better prevented from being degraded by illumination, and meanwhile, the durability of frosted and porcelain-like effects can be ensured.
The existing waste plastics are recycled for the defects of low strength and poor appearance color in buildings, so that the application of the waste plastics is limited. In view of the above, the invention provides a frosted architectural decoration plastic composite board and a preparation method thereof, wherein the recycled thermoplastic plastic is cleaned, dried, extruded and granulated for standby; drying and refining the fly ash; mixing the recycled plastic, the fly ash, the nano silica fume, the coupling agent, the lubricant, the heat stabilizer and the antioxidant at a high speed, and extruding the mixture out of a plate by a screw extruder for forming; dispersing titanium dioxide, zinc white, melamine powder, ceramic powder and aluminum hydroxide sol in polytetrafluoroethylene emulsion to prepare frosted spraying liquid, spraying a silicone emulsion thin layer on the surface of a plate as an interface layer when the plate is extruded and molded, then spraying the frosted spraying liquid, and drying to obtain the frosted building decoration plastic composite plate. The recycled plastic composite board provided by the invention has high toughness and strength, has good porcelain-like white and frosted effects, improves the quality of the board, can prevent the recycled plastic in the board from being degraded by illumination, has high strength and bright appearance and color, is suitable for various decorative boards in the field of buildings, and effectively promotes the application of the waste recycled plastic in the field of buildings.
Compared with the prior art, the invention provides a frosted architectural decoration plastic composite board and a preparation method thereof, and the frosted architectural decoration plastic composite board has the outstanding characteristics and excellent effects that:
1. the prepared recycled plastic composite board effectively improves the toughness and strength of the recycled plastic composite board by adding the inorganic filler.
2. According to the invention, the special frosted spraying liquid is sprayed and prepared on the surface of the regenerated plastic composite board, so that the board ensures good porcelain-like white and frosted effect, the quality of the board is improved, the regenerated plastic in the board is protected from being degraded by illumination, and the obtained board has high strength and bright appearance and color.
3. The plate obtained by the invention is suitable for various decorative plates in the field of buildings, and effectively promotes the application of waste recycled plastics in the field of buildings.
Drawings
FIG. 1 is a photograph of a sheet material made according to the present invention, with a uniformly frosted surface.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and alterations can be made by those skilled in the art and by conventional means without departing from the spirit of the method of the invention described above.
Example 1
(1) Uniformly mixing 6.5g of ZR-960 rutile type titanium dioxide, 6.5kg of zinc dioxide, 4kg of melamine powder, 7.5kg of ceramic powder, 27kg of aluminum hydroxide sol with the mass concentration of 6.5% and 45kg of polytetrafluoroethylene emulsion with the mass concentration of 12.5% to prepare frosted spray coating liquid;
(2) uniformly mixing 100kg of cleaned, dried, extruded and granulated regenerated polyethylene plastic, 40kg of fly ash with the particle size of 1000 meshes, 4kg of nano silica fume, 0.8kg of isopropyl tri (isostearyl) titanate, 2kg of liquid paraffin, 0.4kg of calcium stearate and 0.08kg of antioxidant 1076 at a high speed, adding the mixture into a screw extruder, extruding a plate and molding to obtain the plate;
(3) spraying 5-7222 LF with the mass concentration of 62.5% onto the surface of a hot plate which is just extruded to form a thin layer serving as an interface layer, so as to obtain the plate with the interface layer;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the average thickness of 20 mu m, thus obtaining the frosted architectural decoration plastic composite board.
The surface of the architectural decoration plastic composite board obtained in the embodiment has mixed frosting effect, and is white in color and hard and compact. The physical diagram is shown in figure 1.
Example 2
(1) Uniformly mixing 6kg of ZR-960 rutile type titanium dioxide, 6kg of zinc dioxide, 3.5kg of melamine powder, 6kg of ceramic powder, 24kg of aluminum hydroxide sol with the mass concentration of 6% and 40kg of polytetrafluoroethylene emulsion with the mass concentration of 11%, and preparing to obtain frosted spraying liquid;
(2) uniformly mixing 100kg of cleaned, dried and extruded and granulated regenerated polypropylene plastic, 35kg of fly ash with the particle size of 1000 meshes, 3.5kg of nano silica fume, 0.6kg of isopropyl tri (dioctyl pyrophosphoryl) titanate, 1.5kg of polyethylene wax, 0.3kg of zinc stearate and 0.06kg of antioxidant 1010 at a high speed, adding the mixture into a screw extruder, and extruding a plate to form to obtain the plate;
(3) 5-7222 LF with the mass concentration of 61% is sprayed on the surface of a hot plate which is just extruded to form a thin layer serving as an interface layer, and the plate with the interface layer is obtained;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the average thickness of 15 mu m, thus obtaining the frosted architectural decoration plastic composite board.
Example 3
(1) Uniformly mixing 7kg of ZR-960 rutile type titanium dioxide, 7kg of zinc dioxide, 4.5kg of melamine powder, 9kg of ceramic powder, 33kg of 7% aluminum hydroxide sol and 55kg of 14% polytetrafluoroethylene emulsion to prepare frosted spray coating liquid;
(2) uniformly mixing 100kg of cleaned, dried and extruded and granulated regenerated polystyrene plastic, 45kg of fly ash with the particle size of 1000 meshes, 4.5kg of nano silica fume, 0.9kg of di (dioctyl pyrophosphoryl) ethylene titanate, 2.5kg of liquid paraffin, 0.4kg of calcium stearate and 0.09kg of antioxidant 1024 at a high speed, adding the mixture into a screw extruder, and extruding a plate to form to obtain the plate;
(3) 5-7222 LF with the mass concentration of 64% is sprayed on the surface of a hot plate which is just extruded to form a thin layer serving as an interface layer, and the plate with the interface layer is obtained;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the average thickness of 25 mu m, thus obtaining the frosted architectural decoration plastic composite board.
Example 4
(1) Uniformly mixing 5kg of ZR-960 rutile type titanium dioxide, 5kg of zinc dioxide, 3kg of melamine powder, 5kg of ceramic powder, 24kg of aluminum hydroxide sol with the mass concentration of 8% and 40kg of polytetrafluoroethylene emulsion with the mass concentration of 10% to prepare frosted spraying liquid;
(2) uniformly mixing 100kg of cleaned, dried and extruded and granulated regenerated plastic, 30kg of fly ash with the grain diameter of 1000 meshes, 3kg of nano silica fume, 0.5kg of vinyl triethoxysilane, 1kg of polyethylene wax, 0.2kg of calcium stearate and 0.05kg of antioxidant 168 at a high speed, and then adding the mixture into a screw extruder to extrude a plate for molding to obtain the plate;
(3) 5-7222 LF with the mass concentration of 60% is sprayed on the surface of a hot plate which is just extruded to form a thin layer serving as an interface layer, and the plate with the interface layer is obtained;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the average thickness of 10 mu m, thus obtaining the frosted architectural decoration plastic composite board.
Example 5
(1) Uniformly mixing 8kg of ZR-960 rutile type titanium dioxide, 8kg of zinc dioxide, 5kg of melamine powder, 10kg of ceramic powder, 33kg of aluminum hydroxide sol with the mass concentration of 8% and 55kg of polytetrafluoroethylene emulsion with the mass concentration of 15%, and preparing to obtain frosted spraying liquid;
(2) uniformly mixing 100kg of cleaned, dried and extruded and granulated regenerated polyethylene plastic, 50kg of fly ash with the grain diameter of 1000 meshes, 5kg of nano silica fume, 1kg of gamma-aminopropyltriethoxysilane, 3kg of polyethylene wax, 0.5kg of zinc stearate and 0.1kg of antioxidant 1076 at a high speed, adding the mixture into a screw extruder, and extruding a plate to form to obtain the plate;
(3) 5-7222 LF with the mass concentration of 65% is sprayed on the surface of a hot plate which is just extruded to form a thin layer serving as an interface layer, and the plate with the interface layer is obtained;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the average thickness of 30 mu m, thus obtaining the frosted architectural decoration plastic composite board.
Comparative example 1
Comparative example 1 compared with example 1, no nano silica fume was added, and the rest was completely identical to example 1.
Comparative example 2
Comparative example 2 compared with example 1, no aluminum hydroxide sol was added to the matte spray solution, and the rest was completely the same as example 1.
The test method comprises the following steps:
and (3) testing tensile strength: the tensile strength of the plates obtained in examples 1 to 5 and comparative examples 1 to 2 was measured in accordance with GB/T1040.2, and the test results are shown in Table 1;
and (3) wear resistance test: the abrasion resistance, the sample size and the requirements (the parallelism of the upper and lower surfaces of the sample of 30. + -. 0.5X 7. + -. 0.4X 6. + -. 0.5 mm or more) of the plate obtained in examples 1 to 5 and comparative examples 1 to 2 were measured in accordance with GB/T3960.3.8; in the test, the sample is kept still, the sample ring rotates at 200r/min, the test time is 20min, the load is 196N, the integrity of the surface coating is observed, and the test results are shown in Table 1.
Table 1:
performance index Tensile Strength (MPa) Surface coating conditions
Example 1 25 Coating is intact
Example 2 27 Coating is intact
Example 3 24 Coating is intact
Example 4 22 Coating is intact
Example 5 20 Coating is intact
Comparative example 1 17 Coating is intact
Comparative example 2 19 Scratch marks appear on the coating

Claims (10)

1. A frosted plastic composite board for building decoration is characterized in that a frosted spraying liquid is prepared by titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion, then recycled plastic, fly ash, nano-silica fume, a coupling agent, a lubricant, a heat stabilizer and an antioxidant are used as raw materials to prepare a board, then silicone emulsion is sprayed on the surface of the board, and then the frosted spraying liquid is sprayed on the surface of the board and dried to prepare the frosted plastic composite board.
2. The frosted architectural decoration plastic composite board according to claim 1, wherein the titanium dioxide is ZR-960 rutile type titanium dioxide, the grain size is 1-10 μm; the grain size of the zinc white powder is 4-15 μm; the grain diameter of the ceramic powder is 5-8 μm.
3. The frosted architectural decoration plastic composite board according to claim 1, wherein the mass ratio of the aluminum hydroxide sol to the polytetrafluoroethylene emulsion is 3:5, the mass concentration of the aluminum hydroxide sol is 5-8%, and the mass concentration of the polytetrafluoroethylene emulsion is 10-15%.
4. The frosted architectural decoration plastic composite board according to claim 1, wherein the recycled plastic is one or a combination of more than two of polyethylene, polypropylene, polystyrene and polyvinyl chloride, and the recycled plastic is a recycled thermoplastic plastic which is washed, dried, extruded and granulated for standby.
5. The frosted architectural decoration plastic composite board of claim 1, wherein the fly ash is dried and then refined to a particle size of 1000 meshes.
6. The frosted architectural decoration plastic composite board according to claim 1, wherein the coupling agent is one of titanate coupling agent and silane coupling agent; the lubricant is one of liquid paraffin and polyethylene wax; the heat stabilizer is one of calcium stearate and zinc stearate; the antioxidant is one of antioxidant 1076, antioxidant 1010, antioxidant 1024 and antioxidant 168.
7. The frosted architectural decoration plastic composite board according to claim 1, wherein the silicone emulsion is 5-7222 LF with a mass concentration of 60-65%.
8. The method for preparing a frosted architectural decoration plastic composite board according to any one of claims 1 to 7, wherein the specific preparation method comprises the following steps:
(1) uniformly mixing titanium dioxide, zinc white, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion to prepare frosted spraying liquid;
(2) uniformly mixing the recycled plastic, the fly ash, the nano silica fume, the coupling agent, the lubricant, the heat stabilizer and the antioxidant at a high speed, adding the mixture into a screw extruder, and extruding the plate to form within a temperature range of 150-200 ℃ to obtain the plate;
(3) spraying the silicone emulsion on the surface of a hot plate which is just extruded to form a thin layer as an interface layer, so as to obtain the plate with the interface layer;
(4) and spraying the prepared frosted spraying liquid on the surface of the panel with the interface layer, and then drying to form an organic-inorganic composite film with the thickness of 10-30 mu m, thus obtaining the frosted plastic composite board for architectural decoration.
9. The preparation method of the frosted architectural decoration plastic composite board according to claim 8, wherein in the frosted spraying liquid in the step (1), the mass ratio of titanium dioxide, zinc white powder, melamine powder, ceramic powder, aluminum hydroxide sol and polytetrafluoroethylene emulsion is 5-8:5-8:3-5:5-10:20-35: 40-60.
10. The method for preparing the frosted architectural decoration plastic composite board according to claim 8, wherein in the step (2), in the step of preparing the board, the mass ratio of the regenerated plastic, the fly ash, the nano silica fume, the coupling agent, the lubricant, the heat stabilizer and the antioxidant is 100: 30-50:3-5:0.5-1:1-3:0.2-0.5:0.05-0.1.
CN201911315583.6A 2019-12-19 2019-12-19 Frosted architectural decoration plastic composite board and preparation method thereof Withdrawn CN110982150A (en)

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Application publication date: 20200410