CN112457574A - Production method of wpc wood-plastic board furniture door - Google Patents
Production method of wpc wood-plastic board furniture door Download PDFInfo
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- CN112457574A CN112457574A CN202011131261.9A CN202011131261A CN112457574A CN 112457574 A CN112457574 A CN 112457574A CN 202011131261 A CN202011131261 A CN 202011131261A CN 112457574 A CN112457574 A CN 112457574A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a production method of wpc wooden door wood-plastic board furniture door, which comprises the following steps: 1) preparing raw materials, wherein the raw materials comprise the following components: wood powder, luffa stem, modified polypropylene, modified kaolin, maleic anhydride graft coupling agent, stabilizer, lubricant, plasticizer, antibacterial agent and flame retardant; 2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, and then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant; 3) the material in the charging barrel is conveyed to an extruder, is molded by a mold, is cooled and shaped, is pulled and cut, and is added with the modified polypropylene and the modified kaolin, so that the material has good toughness and the mechanical property of the material is improved.
Description
Technical Field
The invention relates to the technical field of door production, in particular to a production method of an wpc wooden door wood-plastic board furniture door.
Background
The wood-plastic board is a high-tech green environment-friendly novel decorative material which is mainly prepared by uniformly mixing wood (wood cellulose and plant cellulose) as a base material, a thermoplastic high polymer material (plastic), a processing aid and the like, and then heating and extruding the mixture by using a die device, has the performance and characteristics of the wood and the plastic, and is a novel composite material capable of replacing the wood and the plastic.
The wood-plastic board can be applied to various fields and can be applied to the production of furniture doors, but the furniture doors produced by the existing production method of the wood-plastic board furniture doors have poor mechanical properties and long service time, are easy to deform or damage by external force, and influence the service life.
Disclosure of Invention
The embodiment of the invention aims to provide a production method of wpc wooden door wood-plastic board furniture doors, which aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 20-30 parts of wood powder, 10-20 parts of luffa stem, 60-80 parts of modified polypropylene, 30-40 parts of modified kaolin, 1-5 parts of maleic anhydride graft coupling agent, 1-3 parts of stabilizer, 1-5 parts of lubricant, 2-4 parts of plasticizer, 0.5-1.5 parts of antibacterial agent and 1-5 parts of flame retardant.
2) Weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to the temperature of 120-140 ℃, then cooling the materials to the temperature of 50-60 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: and 2) after heating is finished, performing crosslinking treatment on the mixture by using an electron beam as an irradiation source.
In one alternative: the raw materials comprise the following components in parts by weight: 22-28 parts of wood powder, 12-18 parts of luffa stem, 65-75 parts of modified polypropylene, 33-37 parts of modified kaolin, 2-4 parts of maleic anhydride graft coupling agent, 1.5-2.5 parts of stabilizer, 2-4 parts of lubricant, 2.5-3.5 parts of plasticizer, 0.8-1.2 parts of antibacterial agent and 2-4 parts of flame retardant.
In one alternative: the raw materials comprise the following components in parts by weight: 25 parts of wood powder, 15 parts of luffa stem, 70 parts of modified polypropylene, 35 parts of modified kaolin, 3 parts of maleic anhydride graft coupling agent, 2 parts of stabilizer, 3 parts of lubricant, 3 parts of plasticizer, 1 part of antibacterial agent and 3 parts of flame retardant.
In one alternative: the wood flour is one or a mixture of broadleaf wood flour, coniferous wood flour, miscellaneous wood flour or pine wood flour.
In one alternative: the preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 4-5:1-2:1, then adding the mixture into a soaking solution, soaking for 10-20min, and filtering and drying after soaking, so as to obtain the modified polypropylene.
In one alternative: the soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
In one alternative: the preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at the temperature of 500-600 ℃ for 1-2h, soaking in an acetic acid solution for 20-30min, and adding vinyl methyl dimethoxy silane according to the mass ratio of 1:0.01-0.02 to obtain the modified kaolin.
In one alternative: the stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
In one alternative: the lubricant is one of stearic acid, paraffin, stearate and monoglyceride.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the strength of the material is improved by mixing polypropylene with polybutylene terephthalate and sodium dodecyl sulfate, the material is soaked in a soaking solution, related elements or groups are introduced into a main chain or a side chain of a matrix material molecule through chemical reactions such as copolymerization, crosslinking and grafting, so that the material has good toughness, carbon-carbon double bonds capable of performing polymerization reaction and groups capable of performing bonding reaction with hydroxyl on the surface of kaolin are carried by vinyl methyl dimethoxy silane to form firm internal chemical bonding, and meanwhile, the modified kaolin can better adsorb and bond other components, so that the mechanical property of the material is further improved.
Detailed Description
The present invention will be described in detail with reference to the following examples, which are provided for illustrative purposes only and are not intended to limit the scope of the present invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 20 parts of wood powder, 10 parts of luffa stem, 60 parts of modified polypropylene, 30 parts of modified kaolin, 1 part of maleic anhydride graft coupling agent, 1 part of stabilizer, 1 part of lubricant, 2 parts of plasticizer, 0.5 part of antibacterial agent and 1 part of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 120 ℃, then cooling the materials to 50 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is broadleaf wood flour.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 4:1:1, then adding the mixture into a soaking solution, soaking for 10min, and filtering and drying after soaking to obtain the modified polypropylene, wherein the mass ratio of the mixture to the soaking solution is 1: 2.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at the temperature of 500 ℃ for 1h, soaking in an acetic acid solution for 20min, and adding vinyl methyl dimethoxysilane according to the mass ratio of 1:0.01 to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is stearic acid.
Example 2
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 22 parts of wood powder, 12 parts of luffa stem, 65 parts of modified polypropylene, 33 parts of modified kaolin, 2 parts of maleic anhydride graft coupling agent, 1.5 parts of stabilizer, 2 parts of lubricant, 2.5 parts of plasticizer, 0.8 part of antibacterial agent and 2 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 125 ℃, then cooling the materials to 52 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is coniferous wood flour.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 5:1:1, then adding the mixture into a soaking solution, soaking for 12min, and filtering and drying after soaking to obtain the modified polypropylene, wherein the mass ratio of the mixture to the soaking solution is 1: 2.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at 520 ℃ for 1h, soaking in an acetic acid solution for 23min, and adding vinyl methyl dimethoxysilane according to the mass ratio of 1:0.01 to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is paraffin.
Example 3
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 25 parts of wood powder, 15 parts of luffa stem, 70 parts of modified polypropylene, 35 parts of modified kaolin, 3 parts of maleic anhydride graft coupling agent, 2 parts of stabilizer, 3 parts of lubricant, 3 parts of plasticizer, 1 part of antibacterial agent and 3 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 130 ℃, then cooling the materials to 55 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is pine wood flour.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 4.5:1.5:1, then adding the mixture into a soaking solution, soaking for 15min, and filtering and drying after soaking, wherein the mass ratio of the mixture to the soaking solution is 1:2, thus obtaining the modified polypropylene.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, then calcining at 550 ℃ for 1.5h, then soaking in an acetic acid solution for 25min, and then adding vinyl methyl dimethoxy silane, wherein the mass ratio of the vinyl methyl dimethoxy silane to the kaolin is 1:0.015, so as to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is stearate.
Example 4
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: the raw materials comprise the following components in parts by weight: 28 parts of wood powder, 18 parts of luffa stem, 75 parts of modified polypropylene, 37 parts of modified kaolin, 4 parts of maleic anhydride graft coupling agent, 2.5 parts of stabilizer, 4 parts of lubricant, 3.5 parts of plasticizer, 1.2 parts of antibacterial agent and 4 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 135 ℃, then cooling the materials to 58 ℃ and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is mixed with wood flour.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 5:2:1, then adding the mixture into a soaking solution, soaking for 18min, and filtering and drying after soaking to obtain the modified polypropylene, wherein the mass ratio of the mixture to the soaking solution is 1: 2.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at the temperature of 575 ℃ for 2h, soaking in an acetic acid solution for 28min, and then adding vinyl methyl dimethoxysilane, wherein the mass ratio of the vinyl methyl dimethoxysilane to the kaolin is 1:0.02, so as to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is monoglyceride.
Example 5
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 30 parts of wood powder, 20 parts of luffa stem, 80 parts of modified polypropylene, 40 parts of modified kaolin, 5 parts of maleic anhydride graft coupling agent, 3 parts of stabilizer, 5 parts of lubricant, 4 parts of plasticizer, 1.5 parts of antibacterial agent and 5 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 140 ℃, then cooling the materials to 60 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is a mixture of broadleaf wood flour, coniferous wood flour, miscellaneous wood flour, pine wood flour and the like.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 5:2:1, then adding the mixture into a soaking solution, soaking for 20min, and filtering and drying after soaking to obtain the modified polypropylene, wherein the mass ratio of the mixture to the soaking solution is 1: 2.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at the temperature of 600 ℃ for 2h, soaking in an acetic acid solution for 30min, and adding vinyl methyl dimethoxysilane according to the mass ratio of 1:0.02 to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is monoglyceride.
Example 6
A production method of wpc wood-plastic board furniture door comprises the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 25 parts of wood powder, 15 parts of luffa stem, 70 parts of modified polypropylene, 35 parts of modified kaolin, 3 parts of maleic anhydride graft coupling agent, 2 parts of stabilizer, 3 parts of lubricant, 3 parts of plasticizer, 1 part of antibacterial agent and 3 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to 130 ℃, performing crosslinking treatment on the materials by using an electron beam as an irradiation source after the heating is finished, cooling the materials to 55 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
Wherein the wood flour is pine wood flour.
The preparation method of the modified polypropylene comprises the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 4.5:1.5:1, then adding the mixture into a soaking solution, soaking for 15min, and filtering and drying after soaking, wherein the mass ratio of the mixture to the soaking solution is 1:2, thus obtaining the modified polypropylene.
The soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid and sodium citrate which are mixed in equal proportion.
The preparation method of the modified kaolin comprises the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, then calcining at 550 ℃ for 1.5h, then soaking in an acetic acid solution for 25min, and then adding vinyl methyl dimethoxy silane, wherein the mass ratio of the vinyl methyl dimethoxy silane to the kaolin is 1:0.015, so as to obtain the modified kaolin.
The stabilizer is a mixture of composite lead acid, organic tin and calcium and zinc.
The lubricant is stearate.
Experiment of
Control group
The existing commercially available wood-plastic board furniture door;
comparative example 1
On the basis of the embodiment 3, the modified polypropylene is replaced by the common polypropylene;
comparative example 2
On the basis of example 3, the modified kaolin was replaced with ordinary kaolin;
comparative example 3
On the basis of the embodiment 3, the modified polypropylene is replaced by the common polypropylene, and the modified kaolin is replaced by the common kaolin;
the physical and mechanical parameters of examples 1 to 6, control and comparative examples 1 to 3 were measured in the following manner, respectively, and the measurement results are reported in the following table.
Measuring the tensile strength of the wood-plastic plate furniture door by using a testing method of the tensile property of the GB/T1040-92 material;
the bending strength of the wood-plastic plate furniture door is measured by a testing method of the bending performance of the GB/T9341-2000 material;
measuring the impact strength of the simply supported beam of the wood-plastic panel furniture door by using a GB/T1043-93 material simply supported beam impact test method;
| group of | Tensile strength (Mpa) | Flexural strength (Mpa) | Impact Strength (Mpa) |
| Example 1 | 46 | 84 | 36 |
| Example 2 | 47 | 84 | 36 |
| Example 3 | 48 | 85 | 38 |
| Example 4 | 46 | 85 | 37 |
| Example 5 | 46 | 84 | 36 |
| Example 6 | 50 | 89 | 40 |
| Control group | 28 | 54 | 22 |
| Comparative example 1 | 37 | 69 | 30 |
| Comparative example 2 | 38 | 70 | 31 |
| Comparative example 3 | 29 | 56 | 25 |
The data show that the addition of the modified polypropylene and the modified kaolin has a good effect of improving the mechanical properties of the wood-plastic board, further, the modified polypropylene and the modified kaolin have a certain synergistic effect, and after the heating in the step 2) is completed, the modified polypropylene and the modified kaolin are subjected to crosslinking treatment by using an electron beam as an irradiation source, so that the mechanical properties of the wood-plastic board can be further improved.
The strength of the material is improved by mixing polypropylene with polybutylene terephthalate and sodium dodecyl sulfate, the material is soaked in a soaking solution, related elements or groups are introduced into a main chain or a side chain of a matrix material molecule through chemical reactions such as copolymerization, crosslinking and grafting, so that the material has good toughness, carbon-carbon double bonds capable of performing polymerization reaction and groups capable of performing bonding reaction with hydroxyl on the surface of kaolin are carried by vinyl methyl dimethoxy silane to form firm internal chemical bonding, and meanwhile, the modified kaolin can better adsorb and bond other components, so that the mechanical property of the material is further improved.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. A production method of wpc wood-plastic board furniture door is characterized by comprising the following steps:
1) preparing raw materials, wherein the raw materials comprise the following components in parts by weight: 20-30 parts of wood powder, 10-20 parts of luffa stem, 60-80 parts of modified polypropylene, 30-40 parts of modified kaolin, 1-5 parts of maleic anhydride graft coupling agent, 1-3 parts of stabilizer, 1-5 parts of lubricant, 2-4 parts of plasticizer, 0.5-1.5 parts of antibacterial agent and 1-5 parts of flame retardant;
2) weighing raw materials according to a ratio, putting wood powder, luffa stem and modified kaolin into a ball mill for grinding, then adding the ground product into modified polypropylene and a plasticizer, putting the mixture into a mixer for mixing for a period of time, then sequentially adding a maleic anhydride graft coupling agent, a stabilizer, a lubricant, an antibacterial agent and a flame retardant, continuously and uniformly mixing the materials, heating the materials to the temperature of 120-140 ℃, then cooling the materials to the temperature of 50-60 ℃, and then putting the materials into a charging barrel;
3) conveying the materials in the charging barrel to an extruder, and conveying the materials extruded by the extruder to a granulator for granulation; and (3) putting the prepared particles into an injection molding machine for reheating, melting the particles, molding by using a mold, cooling, shaping, and carrying out traction cutting to obtain the wpc wood-plastic board furniture door.
2. The method for producing wpc wooden door wood-plastic board furniture door according to claim 1, wherein the raw material comprises the following components by weight: 22-28 parts of wood powder, 12-18 parts of luffa stem, 65-75 parts of modified polypropylene, 33-37 parts of modified kaolin, 2-4 parts of maleic anhydride graft coupling agent, 1.5-2.5 parts of stabilizer, 2-4 parts of lubricant, 2.5-3.5 parts of plasticizer, 0.8-1.2 parts of antibacterial agent and 2-4 parts of flame retardant.
3. The method for producing wpc wooden door wood-plastic board furniture door according to claim 2, wherein the raw material comprises the following components by weight: 25 parts of wood powder, 15 parts of luffa stem, 70 parts of modified polypropylene, 35 parts of modified kaolin, 3 parts of maleic anhydride graft coupling agent, 2 parts of stabilizer, 3 parts of lubricant, 3 parts of plasticizer, 1 part of antibacterial agent and 3 parts of flame retardant.
4. The method for producing wpc wooden wood-plastic board furniture door according to claim 1, wherein the wood flour is one or more of broadleaf wood flour, needle leaf wood flour, miscellaneous wood flour or pine wood flour.
5. The method for producing wpc wood-plastic plate furniture door with wooden door as claimed in claim 1, wherein the modified polypropylene is prepared by the following steps: adding polybutylene terephthalate and sodium dodecyl sulfate into polypropylene, stirring and mixing, introducing sodium into a polymer chain through the sodium dodecyl sulfate to effectively improve the water absorption thickness expansion rate of a base material, wherein the mass ratio of the polypropylene to the polybutylene terephthalate to the sodium dodecyl sulfate is 4-5:1-2:1, then adding the mixture into a soaking solution, soaking for 10-20min, and filtering and drying after soaking, so as to obtain the modified polypropylene.
6. The method for producing wpc wooden and wood plastic furniture door with wood-plastic board as claimed in claim 5, wherein the soaking solution comprises tetramethyl ammonium hydroxide, fluorosilicone, sodium methyl silicate, formic acid, sodium citrate in equal proportion.
7. The method for producing wpc wooden door wood-plastic board furniture door according to claim 1, wherein the modified kaolin is prepared by the following steps: weighing kaolin and sodium chloride according to the mass ratio of 1:0.1, fully mixing, calcining at the temperature of 500-600 ℃ for 1-2h, soaking in an acetic acid solution for 20-30min, and adding vinyl methyl dimethoxy silane according to the mass ratio of 1:0.01-0.02 to obtain the modified kaolin.
8. The method for producing wpc wooden door wood-plastic board furniture door according to claim 1, wherein the stabilizer is a mixture of composite lead acid, organic tin and calcium zinc.
9. The method for producing wpc wooden door wood-plastic board furniture door as claimed in claim 1, wherein the lubricant is one of stearic acid, paraffin, stearate, and monoglyceride.
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| CN202011131261.9A CN112457574A (en) | 2020-10-21 | 2020-10-21 | Production method of wpc wood-plastic board furniture door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113367161A (en) * | 2021-06-10 | 2021-09-10 | 中诚国联（河南）生物科技有限公司 | Compound microbial agent for effectively preventing and treating soil-borne diseases and application thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113367161A (en) * | 2021-06-10 | 2021-09-10 | 中诚国联（河南）生物科技有限公司 | Compound microbial agent for effectively preventing and treating soil-borne diseases and application thereof |
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