CN115260670A - Antibacterial long-acting environment-friendly plastic powder and preparation process thereof - Google Patents
Antibacterial long-acting environment-friendly plastic powder and preparation process thereof Download PDFInfo
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- CN115260670A CN115260670A CN202210729008.6A CN202210729008A CN115260670A CN 115260670 A CN115260670 A CN 115260670A CN 202210729008 A CN202210729008 A CN 202210729008A CN 115260670 A CN115260670 A CN 115260670A
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- 239000000843 powder Substances 0.000 title claims abstract description 112
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229920003023 plastic Polymers 0.000 title claims description 15
- 239000004033 plastic Substances 0.000 title claims description 15
- 238000002156 mixing Methods 0.000 claims abstract description 89
- 239000000203 mixture Substances 0.000 claims abstract description 64
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 238000000465 moulding Methods 0.000 claims abstract description 38
- 238000000227 grinding Methods 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 37
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 35
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 35
- 239000000049 pigment Substances 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 13
- -1 acrylic ester Chemical class 0.000 claims abstract description 6
- 239000003242 anti bacterial agent Substances 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 20
- 239000010935 stainless steel Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 15
- 239000005011 phenolic resin Substances 0.000 claims description 15
- 229920001568 phenolic resin Polymers 0.000 claims description 15
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 15
- 239000011118 polyvinyl acetate Substances 0.000 claims description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims description 15
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 230000003712 anti-aging effect Effects 0.000 claims description 10
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 claims description 10
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 5
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical group [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 5
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 5
- HQVFKSDWNYVAQD-UHFFFAOYSA-N n-hydroxyprop-2-enamide Chemical compound ONC(=O)C=C HQVFKSDWNYVAQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- MRBKEAMVRSLQPH-UHFFFAOYSA-N 3-tert-butyl-4-hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1 MRBKEAMVRSLQPH-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
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- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
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- 230000001737 promoting effect Effects 0.000 abstract 1
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- 238000007873 sieving Methods 0.000 description 6
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 4
- 229920001225 polyester resin Polymers 0.000 description 4
- 239000004645 polyester resin Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000004255 Butylated hydroxyanisole Substances 0.000 description 3
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 3
- 229940043253 butylated hydroxyanisole Drugs 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides an antibacterial long-acting environment-friendly molding powder and a preparation process thereof, relating to the technical field of molding powder coatings, wherein S1: raw material pretreatment, S2: raw material mixing, S3: pigment mixing, S4: treating an antioxidant raw material, and S5: promoting the curing effect, S6: fusing antioxidant raw materials, and S7: improving advection effect, S8: mixture drying treatment, S9: grinding and grinding treatment, S10: powder sieve detects, through at the in-process of moulding the powder of production to inside flatting agent and the siliceous acrylic ester of adding of raw materials, can promote the advection nature at the in-process that moulds the powder and melt the surface after the drying more level, increase the wettability, avoid when using, the levelling is bad, will result in the orange peel, the shrinkage cavity, brush marks and so on the defect of filming, the aesthetic property has greatly been promoted, can promote the antibiotic effect of moulding the powder through at the in-process of moulding the powder of production to the inside long-acting antiseptic that adds of raw materials, prevent to mould the surface of powder and breed the bacterium, can promote the result of use of moulding the powder.
Description
Technical Field
The invention relates to the technical field of molding powder coatings, in particular to antibacterial long-acting environment-friendly molding powder and a preparation process thereof.
Background
The plastic powder is also called plastic powder, is widely applied to powder coating and coating decorative lamps, has the advantages of long service life, wear resistance, environmental protection and the like compared with spray painting, for example, the powder coating with high reflectivity and environmental protection and the preparation process thereof are provided by the patent with the application number of CN202111439720.4, and the powder coating comprises the following components in parts by mass: 50-70 parts of a coating matrix, 30-40 parts of a functional material, wherein the functional material comprises 20-30 parts of a polyester resin composition, 2-4 parts of a curing agent, 1-2 parts of a flatting agent, 2-3 parts of a filler, 0.1-0.5 part of a defoaming agent and 0.1-0.5 part of a thickening agent, the polyester resin composition comprises 16-18 parts of polyester resin and 2-4 parts of modified polyolefin resin, 5-6 parts of modified acrylic resin is also mixed in the polyester resin composition, and 3-5 parts of a nano silver antibacterial agent is included in the modified acrylic resin.
However, in the technical scheme, the plastic powder has poor advection property in the using process, the advection property of the plastic powder is poor when the plastic powder is heated and melted, and the aesthetic effect of the product can be seriously influenced, so that the improvement is made, and the antibacterial long-acting environment-friendly plastic powder and the preparation process thereof are provided.
Disclosure of Invention
In order to realize the purpose, the invention is realized by the following technical scheme: a preparation process of antibacterial long-acting environment-friendly molding powder comprises the following steps:
s1: the raw materials are pretreated, and the environment-friendly plastic powder comprises, by weight, 40-60 parts of polyvinyl chloride resin, 10-20 parts of phenolic resin, 10-15 parts of polyvinyl acetate, 5-8 parts of nano titanium dioxide, 3-6 parts of nano zinc oxide, 1-3 parts of an anti-aging agent, 2-5 parts of an antioxidant, 5-20 parts of a long-acting antibacterial agent, 5-15 parts of stainless steel powder, 5-10 parts of a leveling agent, 1-5 parts of silicon-containing acrylate, 2-10 parts of a curing agent, 8-20 parts of a pigment and 65-85 parts of water;
s2: mixing the raw materials, namely putting the polyvinyl chloride resin, the phenolic resin, the polyvinyl acetate and the nano titanium dioxide in the step S1 into mixing equipment for mixing, wherein the temperature during mixing is 55-70 ℃ until the polyvinyl chloride resin, the phenolic resin and the polyvinyl acetate are fully mixed;
s3: mixing the pigment, namely mixing the raw material mixture mixed in the step S2 with water, and slowly adding the pigment into the mixture while mixing for 15-25 minutes;
s4: treating an antioxidant raw material, namely putting the antioxidant, the anti-aging agent and the long-acting antibacterial agent in the S1 into grinding equipment for grinding, and forming powder after grinding is finished;
s5: improving the curing effect, adding the mixture obtained after the mixing in the step S3 into a curing agent and stainless steel powder, putting the mixture into mixing equipment, mixing, and starting the mixing equipment to fully mix the curing agent and the mixture for 10-15 minutes;
s6: fusing antioxidant raw materials, slowly adding the powder in the step S4 into the mixture in the step S5, starting a mixing device for mixing, wherein the mixing time is 5-10 minutes, and standing for 15-25 minutes after mixing is finished;
s7: improving the advection effect, sequentially and slowly and uniformly putting the flatting agent in the S1 and the silicon-containing acrylate into the mixture in the S6, starting a mixing device to mix for 5-15 minutes, wherein the temperature during mixing is 25-45 ℃;
s8: drying the mixture, namely putting the mixture mixed in the step S7 into drying equipment, and starting the drying equipment to dry the mixture until the mixture is dried to be in a solid state;
s9: crushing and grinding, namely putting the solid matter in the S8 into crushing and grinding equipment, starting the crushing and grinding equipment, and crushing and grinding the solid matter until the solid matter is ground into powder;
s10: and (3) performing powder sieving detection, namely putting the powder in the S9 into a 60-100-mesh sieve, starting equipment to perform sieving treatment on the powder, and thus obtaining the antibacterial environment-friendly plastic powder.
Preferably, the antioxidant is a synthetic antioxidant, and the antioxidant is one of butyl hydroxy anisole and 2, 6-di-tert-butyl-p-cresol.
Preferably, the long-acting antibacterial agent is a silver ion-based antibacterial agent.
Preferably, the particle size of the stainless steel powder is 33-55 μm.
Preferably, the leveling agent is any one of acrylic, silicone and fluorocarbon.
Preferably, the curing agent is any one of dodecanedioic acid and hydroxyl acrylamide.
Preferably, the pigment is at least one of aluminum silver powder and brightener.
(I) advantageous effects
The invention provides an antibacterial long-acting environment-friendly plastic powder and a preparation process thereof. The method has the following beneficial effects:
by adding the leveling agent and the silicon-containing acrylate into the raw materials in the process of producing the molding powder, the leveling property can be improved in the process of melting the molding powder, the surface of the molded powder after being melted and dried is smoother, the wettability is improved, the defects that the leveling property is poor, orange peel, shrinkage cavities, brush marks and other coating defects are caused in the use process are avoided, and the attractiveness is greatly improved.
The antibacterial effect of the molding powder can be improved by adding the long-acting antibacterial agent into the raw material in the process of producing the molding powder, bacteria are prevented from breeding on the surface of the molding powder, and the using effect of the molding powder can be improved.
By adding the stainless steel powder into the raw materials in the process of producing the molding powder, the heat resistance of the surface of an object can be greatly improved, and the paint on the surface of the object can generate attractive natural metal color, so that the surface of the product is smoother, brighter and achieves the effect of whitening.
Drawings
FIG. 1 is a schematic overall flow diagram of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
as shown in fig. 1, an embodiment of the present invention provides a preparation process of an antibacterial long-acting environment-friendly molding powder, including the following steps:
s1: the raw materials are pretreated, and the environment-friendly molding powder comprises, by weight, 40 parts of polyvinyl chloride resin, 10 parts of phenolic resin, 10 parts of polyvinyl acetate, 5 parts of nano titanium dioxide, 3 parts of nano zinc oxide, 1 part of anti-aging agent, 2 parts of antioxidant, 5 parts of long-acting antibacterial agent, 5 parts of stainless steel powder, 5 parts of leveling agent, 1 part of silicon-containing acrylate, 2 parts of curing agent, 8 parts of pigment and 65 parts of water;
s2: mixing the raw materials, namely putting the polyvinyl chloride resin, the phenolic resin, the polyvinyl acetate and the nano titanium dioxide in the step S1 into mixing equipment for mixing, wherein the temperature during mixing is 55 ℃ until the polyvinyl chloride resin, the phenolic resin and the polyvinyl acetate are fully mixed;
s3: mixing the pigment, namely mixing the raw material mixture mixed in the step S2 with water, and slowly adding the pigment into the mixture while mixing for 15 minutes;
s4: treating an antioxidant raw material, namely putting the antioxidant, the anti-aging agent and the long-acting antibacterial agent in the S1 into grinding equipment for grinding, and forming powder after grinding is finished;
s5: improving the curing effect, adding the mixture obtained after the mixing in the step S3 into a curing agent and stainless steel powder, putting the mixture into mixing equipment, mixing, and starting the mixing equipment to fully mix the curing agent and the mixture for 10-15 minutes;
s6: fusing the antioxidant raw materials, slowly adding the powder in the step S4 into the mixture in the step S5, starting a mixing device for mixing, wherein the mixing time is 5 minutes, and standing for 15 minutes after the mixing is finished;
s7: improving the advection effect, sequentially and slowly and uniformly placing the flatting agent in the S1 and the silicon-containing acrylate into the mixture in the S6, starting a mixing device to mix, wherein the mixing time is 5 minutes, and the mixing temperature is 25 ℃;
s8: drying the mixture, namely putting the mixture mixed in the step S7 into drying equipment, and starting the drying equipment to dry the mixture until the mixture is dried to be in a solid state;
s9: crushing and grinding, namely putting the solid matter in the S8 into crushing and grinding equipment, starting the crushing and grinding equipment, and crushing and grinding the solid matter until the solid matter is ground into powder;
s10: and (3) performing powder sieving detection, namely putting the powder in the S9 into a 60-mesh sieve, starting equipment to perform sieving treatment on the powder, and thus obtaining the antibacterial environment-friendly plastic powder.
It is understood that, in the present application, the antioxidant is an artificially synthesized antioxidant, and the antioxidant is one of butylated hydroxyanisole and 2, 6-di-tert-butyl-p-cresol.
It is understood that in the present application, the long-acting antibacterial agent is a silver ion-based antibacterial agent.
It is understood that, in the present application, the stainless steel powder has a particle size of 33 μm.
It is understood that, in the present application, the leveling agent is any one of acrylic, silicone, and fluorocarbon compounds.
It is understood that, in the present application, the curing agent is any one of dodecanedioic acid and hydroxyl acrylamide.
It is understood that in the present application, the pigment is at least one of aluminum silver coating powder and brightener.
The working principle is as follows:
by adding the leveling agent and the silicon-containing acrylate into the raw materials in the process of producing the molding powder, the leveling property can be improved in the process of melting the molding powder, the surface of the molding powder after melting and drying can be smoother, the wetting property can be improved, the defects of coating such as orange peel, shrinkage cavities, brush marks and the like caused by poor leveling in the use process can be avoided, and the attractiveness can be greatly improved.
The antibacterial effect of the molding powder can be improved by adding the long-acting antibacterial agent into the raw material in the process of producing the molding powder, bacteria are prevented from breeding on the surface of the molding powder, and the using effect of the molding powder can be improved.
By adding the stainless steel powder into the raw materials in the process of producing the molding powder, the heat resistance of the surface of an object can be greatly improved, and the paint on the surface of the object can generate attractive natural metal color, so that the surface of the product is smoother, brighter and achieves the effect of whitening.
Example 2:
the embodiment of the invention provides a preparation process of antibacterial long-acting environment-friendly molding powder, which comprises the following steps:
s1: the raw materials are pretreated, and the environment-friendly molding powder comprises, by weight, 45 parts of polyvinyl chloride resin, 15 parts of phenolic resin, 12 parts of polyvinyl acetate, 7 parts of nano titanium dioxide, 4 parts of nano zinc oxide, 2 parts of anti-aging agent, 3 parts of antioxidant, 8 parts of long-acting antibacterial agent, 8 parts of stainless steel powder, 5 parts of leveling agent, 4 parts of silicon-containing acrylate, 8 parts of curing agent, 10 parts of pigment and 70 parts of water;
s2: mixing the raw materials, namely putting the polyvinyl chloride resin, the phenolic resin, the polyvinyl acetate and the nano titanium dioxide in the step S1 into mixing equipment for mixing at the temperature of 60 ℃ until the polyvinyl chloride resin, the phenolic resin and the polyvinyl acetate are fully mixed;
s3: mixing the pigment, namely mixing the raw material mixture mixed in the step S2 with water, and slowly adding the pigment into the mixture while mixing for 20 minutes;
s4: treating an antioxidant raw material, namely putting the antioxidant, the anti-aging agent and the long-acting antibacterial agent in the S1 into grinding equipment for grinding, and forming powder after grinding is finished;
s5: enhancing the curing effect, adding the curing agent and the stainless steel powder into the mixture obtained after the mixing in the step S3, putting the mixture into mixing equipment, and mixing, starting the mixing equipment to fully mix the curing agent and the mixture, wherein the mixing time is 12 minutes;
s6: fusing the antioxidant raw materials, slowly adding the powder in the step S4 into the mixture in the step S5, starting a mixing device for mixing, wherein the mixing time is 8 minutes, and standing for 20 minutes after the mixing is finished;
s7: improving the advection effect, sequentially and slowly and uniformly placing the flatting agent in the S1 and the silicon-containing acrylate into the mixture in the S6, starting a mixing device to mix, wherein the mixing time is 8 minutes, and the mixing temperature is 30 ℃;
s8: drying the mixture, namely putting the mixture mixed in the step S7 into drying equipment, and starting the drying equipment to dry the mixture until the mixture is dried to be in a solid state;
s9: crushing and grinding, namely putting the solid matter in the S8 into crushing and grinding equipment, starting the crushing and grinding equipment, and crushing and grinding the solid matter until the solid matter is ground into powder;
s10: and (3) performing powder sieving detection, namely putting the powder in the S9 into a 80-mesh sieve, starting equipment to perform sieving treatment on the powder, and thus obtaining the antibacterial environment-friendly plastic powder.
It is understood that, in the present application, the antioxidant is an artificially synthesized antioxidant, and the antioxidant is one of butylated hydroxyanisole and 2, 6-di-tert-butyl-p-cresol.
It is understood that in the present application, the long-acting antibacterial agent is a silver ion-based antibacterial agent.
It is understood that, in the present application, the stainless steel powder has a particle size of 40 μm.
It is understood that, in the present application, the leveling agent is any one of acrylic, silicone, and fluorocarbon compounds.
It is understood that, in the present application, the curing agent is any one of dodecanedioic acid and hydroxyl acrylamide.
It is understood that in the present application, the pigment is at least one of aluminum silver coating powder and brightener.
Example 3:
the embodiment of the invention provides a preparation process of antibacterial long-acting environment-friendly molding powder, which comprises the following steps:
s1: raw material pretreatment, wherein the environment-friendly molding powder comprises, by weight, 60 parts of polyvinyl chloride resin, 20 parts of phenolic resin, 15 parts of polyvinyl acetate, 8 parts of nano titanium dioxide, 6 parts of nano zinc oxide, 3 parts of anti-aging agent, 5 parts of antioxidant, 20 parts of long-acting antibacterial agent, 15 parts of stainless steel powder, 10 parts of flatting agent, 5 parts of silicon-containing acrylate, 10 parts of curing agent, 20 parts of pigment and 85 parts of water;
s2: mixing the raw materials, namely putting the polyvinyl chloride resin, the phenolic resin, the polyvinyl acetate and the nano titanium dioxide in the step S1 into mixing equipment for mixing at the temperature of 70 ℃ until the polyvinyl chloride resin, the phenolic resin and the polyvinyl acetate are fully mixed;
s3: mixing the pigment, namely mixing the raw material mixture mixed in the step S2 with water, and slowly adding the pigment into the mixture while mixing for 25 minutes;
s4: treating an antioxidant raw material, namely putting the antioxidant, the anti-aging agent and the long-acting antibacterial agent in the S1 into grinding equipment for grinding, and forming powder after grinding is finished;
s5: improving the curing effect, adding the mixture obtained after the mixing in the step S3 into a curing agent and stainless steel powder, putting the mixture into mixing equipment, mixing, and starting the mixing equipment to fully mix the curing agent and the mixture for 15 minutes;
s6: fusing the antioxidant raw materials, slowly adding the powder in the step S4 into the mixture in the step S5, starting a mixing device for mixing, wherein the mixing time is 10 minutes, and standing for 25 minutes after the mixing is finished;
s7: improving the advection effect, sequentially and slowly and uniformly placing the flatting agent in the S1 and the silicon-containing acrylate into the mixture in the S6, starting a mixing device to mix, wherein the mixing time is 15 minutes, and the mixing temperature is 45 ℃;
s8: drying the mixture, namely putting the mixture mixed in the step S7 into drying equipment, and starting the drying equipment to dry the mixture until the mixture is dried to be in a solid state;
s9: crushing and grinding, namely putting the solid matter in the step S8 into crushing and grinding equipment, starting the crushing and grinding equipment, crushing and grinding the solid matter until the solid matter is ground into powder;
s10: and (3) screening and detecting the powder, namely putting the powder in the S9 into a 100-mesh sieve, starting equipment to screen and sieve the powder, and thus preparing the antibacterial environment-friendly plastic powder.
It is understood that, in the present application, the antioxidant is an artificially synthesized antioxidant, and the antioxidant is one of butylated hydroxyanisole and 2, 6-di-tert-butyl-p-cresol.
It is to be understood that in the present application, the long-acting antibacterial agent is a silver ion-based antibacterial agent.
It is understood that, in the present application, the stainless steel powder has a particle size of 55 μm.
It is understood that, in the present application, the leveling agent is any one of acrylic, silicone, and fluorocarbon compounds.
It is understood that, in the present application, the curing agent is any one of dodecanedioic acid and hydroxyl acrylamide.
It is understood that in the present application, the pigment is at least one of aluminum silver coating powder and brightener.
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 and modifications can be made on the basis of the above description, and all embodiments cannot be exhaustive, and obvious variations and modifications may be made within the scope of the present invention.
Claims (7)
1. A preparation process of antibacterial long-acting environment-friendly molding powder is characterized by comprising the following steps:
s1: the raw materials are pretreated, and the environment-friendly plastic powder comprises, by weight, 40-60 parts of polyvinyl chloride resin, 10-20 parts of phenolic resin, 10-15 parts of polyvinyl acetate, 5-8 parts of nano titanium dioxide, 3-6 parts of nano zinc oxide, 1-3 parts of an anti-aging agent, 2-5 parts of an antioxidant, 5-20 parts of a long-acting antibacterial agent, 5-15 parts of stainless steel powder, 5-10 parts of a leveling agent, 1-5 parts of silicon-containing acrylate, 2-10 parts of a curing agent, 8-20 parts of a pigment and 65-85 parts of water;
s2: mixing the raw materials, namely putting the polyvinyl chloride resin, the phenolic resin, the polyvinyl acetate and the nano titanium dioxide in the step S1 into mixing equipment for mixing, wherein the temperature during mixing is 55-70 ℃ until the polyvinyl chloride resin, the phenolic resin and the polyvinyl acetate are fully mixed;
s3: mixing the pigment, namely mixing the raw material mixture mixed in the step S2 with water, and slowly adding the pigment into the mixture while mixing for 15-25 minutes;
s4: treating an antioxidant raw material, namely putting the antioxidant, the anti-aging agent and the long-acting antibacterial agent in the S1 into grinding equipment for grinding, and forming powder after grinding is finished;
s5: enhancing the curing effect, adding the curing agent and the stainless steel powder into the mixture obtained after the mixing in the step S3, putting the mixture into mixing equipment, and mixing, starting the mixing equipment to fully mix the curing agent and the mixture for 10-15 minutes;
s6: fusing the antioxidant raw materials, slowly adding the powder in the step S4 into the mixture in the step S5, starting a mixing device for mixing, wherein the mixing time is 5-10 minutes, and standing for 15-25 minutes after mixing;
s7: improving the advection effect, sequentially and slowly and uniformly putting the flatting agent in the S1 and the silicon-containing acrylate into the mixture in the S6, starting a mixing device to mix for 5-15 minutes, wherein the temperature during mixing is 25-45 ℃;
s8: drying the mixture, namely putting the mixture mixed in the step S7 into drying equipment, and starting the drying equipment to dry the mixture until the mixture is dried to be in a solid state;
s9: crushing and grinding, namely putting the solid matter in the S8 into crushing and grinding equipment, starting the crushing and grinding equipment, and crushing and grinding the solid matter until the solid matter is ground into powder;
s10: and (3) screening and detecting the powder, namely putting the powder in the S9 into a 60-100-mesh sieve, and starting equipment to screen and sieve the powder to prepare the antibacterial environment-friendly plastic powder.
2. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, characterized in that; the antioxidant is artificially synthesized, and is one of butyl hydroxy anisol and 2, 6-di-tert-butyl-p-cresol.
3. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, characterized in that; the long-acting antibacterial agent is a silver ion antibacterial agent.
4. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, characterized in that; the particle size of the stainless steel powder is 33-55 μm.
5. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, which is characterized in that: the flatting agent is any one of acrylic acid, organic silicon and fluorocarbon.
6. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, which is characterized in that: the curing agent is any one of dodecanedioic acid and hydroxyl acrylamide.
7. The preparation process of the antibacterial long-acting environment-friendly molding powder as claimed in claim 1, which is characterized in that: the pigment is at least one of aluminum silver coating powder and brightener.
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| CN111499992A (en) * | 2020-05-27 | 2020-08-07 | 华美工程塑料(常熟)有限公司 | Antibacterial polyvinyl chloride slush molding powder composition and preparation method and application thereof |
| KR102163023B1 (en) * | 2020-08-07 | 2020-10-07 | 이상호 | Process for antibacterial composition |
| CN113308092A (en) * | 2021-06-09 | 2021-08-27 | 浙江新灿新材料有限公司 | Environment-friendly thermosetting plastic powder and production process thereof |
| CN113717584A (en) * | 2020-05-26 | 2021-11-30 | 泰州双阳塑粉有限公司 | Novel stable molding powder and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113717584A (en) * | 2020-05-26 | 2021-11-30 | 泰州双阳塑粉有限公司 | Novel stable molding powder and preparation method thereof |
| CN111499992A (en) * | 2020-05-27 | 2020-08-07 | 华美工程塑料(常熟)有限公司 | Antibacterial polyvinyl chloride slush molding powder composition and preparation method and application thereof |
| KR102163023B1 (en) * | 2020-08-07 | 2020-10-07 | 이상호 | Process for antibacterial composition |
| CN113308092A (en) * | 2021-06-09 | 2021-08-27 | 浙江新灿新材料有限公司 | Environment-friendly thermosetting plastic powder and production process thereof |
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