CN113214579A - Antibacterial ecological floor and preparation method thereof - Google Patents
Antibacterial ecological floor and preparation method thereof Download PDFInfo
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- CN113214579A CN113214579A CN202110593404.6A CN202110593404A CN113214579A CN 113214579 A CN113214579 A CN 113214579A CN 202110593404 A CN202110593404 A CN 202110593404A CN 113214579 A CN113214579 A CN 113214579A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Polymers & Plastics (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
An antibacterial ecological floor and a preparation method thereof, comprising the following substances in parts by weight: 30-40 parts of PVC resin powder, 10-15 parts of wood powder, 10-25 parts of activated calcium carbonate, 5-15 parts of chitosan modified nano silver particles, 5-8 parts of plasticizing regulator, 4-8 parts of environment-friendly stabilizer, 1-4 parts of processing aid and 1-3 parts of lubricant. According to the invention, the chitosan modified silver nanoparticles are adopted to obtain the silver nanoparticles/chitosan antibacterial agent, so that the stability and antibacterial property of the silver nanoparticles are improved, the antibacterial efficiency is over 90 percent, and the dispersibility of the silver nanoparticles in the ecological floor substrate is effectively improved by utilizing the good biocompatibility and stability of the chitosan; meanwhile, the chitosan modified silver nano antibacterial agent has the advantage of low addition amount, and has the advantages of ensuring the antibacterial performance of the ecological floor, reducing the damage to the mechanical performance of the material and the like.
Description
Technical Field
The invention belongs to the field of antibacterial floors, and particularly relates to an antibacterial ecological floor and a preparation method thereof.
Background
The floor is a building material for the floor or surface layer of a house, and is made of wood or other materials. The floor is used as a building material, and the building material can be classified into a structural material, a decorative material and some special materials. Various styles such as Chinese style and European style can be used, and the application is more and more extensive.
With the wide popularization and use of the floor, bacteria such as mold and dust mites are easy to breed on the floor due to various reasons in the long-term use process, the mold can quickly breed in warm and humid environments, some of the mold can cause nausea, vomiting, stomachache and the like, and respiratory tract and intestinal tract diseases such as asthma, dysentery and the like can be caused in severe cases. Dust mites are one of the main causes of allergic diseases, and when the number of the dust mites in indoor air reaches 500/g, acute asthma can be caused, so that how to effectively inhibit bacteria breeding on floors is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention provides an antibacterial ecological floor and a preparation method thereof, which are used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
an antibacterial ecological floor comprises the following substances in parts by weight:
30-40 parts of PVC resin powder, 10-15 parts of wood powder, 10-25 parts of activated calcium carbonate, 5-15 parts of chitosan modified nano silver particles, 5-8 parts of plasticizing regulator, 4-8 parts of environment-friendly stabilizer, 1-4 parts of processing aid and 1-3 parts of lubricant.
The antibacterial ecological floor has the advantages that the grain size of the wood powder is 80-100 meshes.
The antibacterial ecological floor board is characterized in that the plasticizing and regulating agent is any one or a mixture of any two or more of oxidized polyethylene wax, terephthalate and adipic acid mixed in any proportion.
According to the antibacterial ecological floor, the environment-friendly stabilizer is a calcium-zinc stabilizer.
According to the antibacterial ecological floor, the processing aid is acrylate.
The antibacterial ecological floor board is characterized in that the lubricant is any one or a mixture of polyethylene wax and stearic acid mixed in any proportion.
A preparation method of an antibacterial ecological floor comprises the following steps:
the method comprises the following steps: accurately weighing PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant;
step two: PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant are fed into a mixer, heated to 120 ℃ with 105 plus materials, cooled to 35-50 ℃ and then put into a charging barrel;
step three: adding the mixed raw materials into an extruder, heating to 140-;
step four: after extrusion, carrying out die forming, cooling and shaping, traction and cutting to obtain a floor base material;
step five: and laminating the color film, the wear-resistant layer and the floor base material in a cold pressing mode.
The preparation method of the antibacterial ecological floor comprises the following steps:
the method comprises the following steps: AgNO3Mixing with polyvinylpyrrolidone, adding deionized water, preheating in 50-100 deg.C water bath for 20-30min, placing in microwave oven after sample is completely dissolved, heating for reaction for 15-30min to obtain micro-nano silver colloid;
step two: dissolving chitosan in a 5 wt% lactic acid aqueous solution to prepare a 5 wt% chitosan solution, dispersing the micro-nano silver prepared in the step one into the 5 wt% chitosan solution, dropwise adding octadecylamine acetate to assist the dispersion, performing ultrasonic treatment for 20min, stirring and reacting for 2h to ensure that the nano silver particles are fully and uniformly mixed, and performing suction filtration and drying to obtain the chitosan modified nano silver particles.
The preparation method of the antibacterial ecological floor comprises the step one, wherein AgNO is adopted3The addition mass ratio of the polyvinylpyrrolidone to the polyvinylpyrrolidone is 1: 3-10.
According to the preparation method of the antibacterial ecological floor, in the second step, the mass ratio of the chitosan to the micro-nano silver is 4-5: 0.1.
in the above preparation method of the antibacterial ecological floor, in the second step, the mass ratio of the micro-nano silver to the octadecylamine acetate is 2: 1.
the invention has the advantages that: according to the invention, the chitosan modified silver nanoparticles are adopted to obtain the silver nanoparticles/chitosan antibacterial agent, so that the stability and antibacterial property of the silver nanoparticles are improved, the antibacterial efficiency is over 90 percent, and the dispersibility of the silver nanoparticles in the ecological floor substrate is effectively improved by utilizing the good biocompatibility and stability of the chitosan; meanwhile, the chitosan modified silver nano antibacterial agent has the advantage of low addition amount, and has the advantages of ensuring the antibacterial performance of the ecological floor, reducing the damage to the mechanical performance of the material and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is one of the performance test reports of the present invention:
FIG. 2 shows a second performance measurement report of the present invention:
FIG. 3 is a third performance detection report of the present invention:
FIG. 4 is a fourth report of the performance test of the present invention:
FIG. 5 is a fifth report of the performance test of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An antibacterial ecological floor comprises the following substances in parts by weight:
30-40 parts of PVC resin powder, 10-15 parts of wood powder, 10-25 parts of activated calcium carbonate, 5-15 parts of chitosan modified nano silver particles, 5-8 parts of plasticizing regulator, 4-8 parts of environment-friendly stabilizer, 1-4 parts of processing aid and 1-3 parts of lubricant.
Preferably, the particle size of the wood flour is 80-100 meshes.
Preferably, the plasticizing regulator is any one or a mixture of any two or more of oxidized polyethylene wax, terephthalate and adipic acid mixed in any proportion.
Preferably, the environment-friendly stabilizer is a calcium zinc stabilizer.
Preferably, the processing aid is an acrylate.
Preferably, the lubricant is any one or a mixture of polyethylene wax and stearic acid mixed in any proportion.
A preparation method of an antibacterial ecological floor comprises the following steps:
the method comprises the following steps: accurately weighing PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant;
step two: PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant are fed into a mixer, heated to 120 ℃ with 105 plus materials, cooled to 35-50 ℃ and then put into a charging barrel;
step three: adding the mixed raw materials into an extruder, heating to 140-;
step four: after extrusion, carrying out die forming, cooling and shaping, traction and cutting to obtain a floor base material;
step five: and laminating the color film, the wear-resistant layer and the floor base material in a cold pressing mode.
Preferably, the preparation method of the chitosan modified nano silver particles comprises the following steps:
the method comprises the following steps: AgNO3Mixing with polyvinylpyrrolidone, adding deionized water, preheating in 50-100 deg.C water bath for 20-30min, placing in microwave oven after sample is completely dissolved, heating for reaction for 15-30min to obtain micro-nano silver colloid;
step two: dissolving chitosan in a 5 wt% lactic acid aqueous solution to prepare a 5 wt% chitosan solution, dispersing the micro-nano silver prepared in the step one into the 5 wt% chitosan solution, dropwise adding octadecylamine acetate to assist the dispersion, performing ultrasonic treatment for 20min, stirring and reacting for 2h to ensure that the nano silver particles are fully and uniformly mixed, and performing suction filtration and drying to obtain the chitosan modified nano silver particles.
Preferably, AgNO is used in the step one3The addition mass ratio of the polyvinylpyrrolidone to the polyvinylpyrrolidone is 1: 3-10.
According to the antibacterial ecological floor, in the second step, the mass ratio of the chitosan to the micro-nano silver is 4-5: 0.1.
preferably, the mass ratio of the micro-nano silver to the octadecylamine acetate in the second step is 2: 1.
as shown in the figures 1-5, the product prepared by the invention has good antibacterial effect, and the antibacterial rate reaches more than 90%.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An antibiotic ecological floor, its characterized in that: the composition comprises the following substances in parts by weight:
30-40 parts of PVC resin powder, 10-15 parts of wood powder, 10-25 parts of activated calcium carbonate, 5-15 parts of chitosan modified nano silver particles, 5-8 parts of plasticizing regulator, 4-8 parts of environment-friendly stabilizer, 1-4 parts of processing aid and 1-3 parts of lubricant.
2. An antibacterial ecological floor according to claim 1, characterized in that: the grain size of the wood powder is 80-100 meshes.
3. An antibacterial ecological floor according to claim 1, characterized in that: the plasticizing regulator is any one or a mixture of any two or more of oxidized polyethylene wax, terephthalate and adipic acid in any proportion.
4. An antibacterial ecological floor according to claim 1, characterized in that: the environment-friendly stabilizer is a calcium-zinc stabilizer.
5. An antibacterial ecological floor according to claim 1, characterized in that: the processing aid is acrylate.
6. An antibacterial ecological floor according to claim 1, characterized in that: the lubricant is any one or a mixture of two of polyethylene wax and stearic acid mixed in any proportion.
7. The preparation method of the antibacterial ecological floor is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: accurately weighing PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant;
step two: PVC resin powder, activated calcium carbonate, wood powder, chitosan modified nano silver particles, a plasticizing regulator, an environment-friendly stabilizer, a processing aid and a lubricant are fed into a mixer, heated to 120 ℃ with 105 plus materials, cooled to 35-50 ℃ and then put into a charging barrel;
step three: adding the mixed raw materials into an extruder, heating to 140-;
step four: after extrusion, carrying out die forming, cooling and shaping, traction and cutting to obtain a floor base material;
step five: and laminating the color film, the wear-resistant layer and the floor base material in a cold pressing mode.
8. The method for preparing an antibacterial ecological floor according to claim 7, characterized in that: the preparation method of the chitosan modified nano silver particles comprises the following steps:
the method comprises the following steps: AgNO3Mixing with polyvinylpyrrolidone, adding deionized water, preheating in 50-100 deg.C water bath for 20-30min, placing in microwave oven after sample is completely dissolved, heating for reaction for 15-30min to obtain micro-nano silver colloid;
step two: dissolving chitosan in a 5 wt% lactic acid aqueous solution to prepare a 5 wt% chitosan solution, dispersing the micro-nano silver prepared in the step one into the 5 wt% chitosan solution, dropwise adding octadecylamine acetate to assist the dispersion, performing ultrasonic treatment for 20min, stirring and reacting for 2h to ensure that the nano silver particles are fully and uniformly mixed, and performing suction filtration and drying to obtain the chitosan modified nano silver particles.
9. The method for preparing an antibacterial ecological floor according to claim 8, wherein the method comprises the following steps: in the step one, AgNO3The addition mass ratio of the polyvinylpyrrolidone to the polyvinylpyrrolidone is 1: 3-10.
10. The method for preparing an antibacterial ecological floor according to claim 8, wherein the method comprises the following steps:
in the second step, the mass ratio of the chitosan to the micro-nano silver is 4-5: 0.1;
in the second step, the mass ratio of the micro-nano silver to the octadecylamine acetate is 2: 1.
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| CN202110593404.6A CN113214579A (en) | 2021-05-28 | 2021-05-28 | Antibacterial ecological floor and preparation method thereof |
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| CN202110593404.6A CN113214579A (en) | 2021-05-28 | 2021-05-28 | Antibacterial ecological floor and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115873452A (en) * | 2022-11-15 | 2023-03-31 | 深圳市泰科科技有限公司 | Mildew-proof antibacterial water-based color paste and preparation method thereof |
| WO2024103519A1 (en) * | 2022-11-16 | 2024-05-23 | 江苏欧圣新材料有限公司 | Manufacturing method for multilayer co-extruded efficient antibacterial biological floor |
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Application publication date: 20210806 |