CN116903948A - Antibacterial plastic and preparation method thereof - Google Patents
Antibacterial plastic and preparation method thereof Download PDFInfo
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- CN116903948A CN116903948A CN202310990593.XA CN202310990593A CN116903948A CN 116903948 A CN116903948 A CN 116903948A CN 202310990593 A CN202310990593 A CN 202310990593A CN 116903948 A CN116903948 A CN 116903948A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 74
- 239000004033 plastic Substances 0.000 title claims abstract description 74
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title abstract description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 126
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000005373 porous glass Substances 0.000 claims abstract description 97
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000011324 bead Substances 0.000 claims abstract description 82
- 239000011787 zinc oxide Substances 0.000 claims abstract description 63
- 230000003449 preventive effect Effects 0.000 claims abstract description 56
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 51
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 51
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 49
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 47
- 239000002270 dispersing agent Substances 0.000 claims abstract description 47
- 239000004417 polycarbonate Substances 0.000 claims abstract description 44
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 44
- -1 mildew preventive Substances 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 150
- 239000000203 mixture Substances 0.000 claims description 123
- 238000002156 mixing Methods 0.000 claims description 53
- 235000011187 glycerol Nutrition 0.000 claims description 34
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 28
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 28
- 239000003242 anti bacterial agent Substances 0.000 claims description 28
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 28
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 25
- 238000005406 washing Methods 0.000 claims description 25
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 claims description 24
- 239000005750 Copper hydroxide Substances 0.000 claims description 24
- 229910001956 copper hydroxide Inorganic materials 0.000 claims description 24
- 239000004005 microsphere Substances 0.000 claims description 15
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 14
- 238000007909 melt granulation Methods 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 7
- 229920005668 polycarbonate resin Polymers 0.000 claims description 7
- 239000004431 polycarbonate resin Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical compound CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 235000012222 talc Nutrition 0.000 claims description 2
- 230000000845 anti-microbial effect Effects 0.000 claims 6
- 239000004599 antimicrobial Substances 0.000 claims 6
- 239000000969 carrier Substances 0.000 abstract description 4
- 238000007781 pre-processing Methods 0.000 abstract description 3
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical compound CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 description 50
- 238000010298 pulverizing process Methods 0.000 description 12
- 238000007873 sieving Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention is applicable to the technical field of plastics, and provides an antibacterial plastic and a preparation method thereof, wherein the antibacterial plastic comprises the following components: high-density polyethylene, polycarbonate, talcum powder, porous glass beads, nano silver, zinc oxide, trichlorohydroxydiphenyl ether, mildew preventive, cross-linking agent, glycerol and dispersing agent; the plastic of the invention has excellent antibacterial property on the basis of the original characteristics by adding the nano silver, the zinc oxide and the trichlorohydroxydiphenyl ether, and the porous glass beads are used as carriers of the nano silver and the zinc oxide, so that the nano silver and the zinc oxide are uniformly distributed in the plastic through the excellent fluidity of the porous glass beads, the product quality of the plastic is improved, the plastic has excellent antibacterial property and stability, and the carrying capacity of the porous glass beads is improved by preprocessing the porous glass beads, so that the antibacterial property of the plastic is further improved.
Description
Technical Field
The invention belongs to the technical field of plastics, and particularly relates to an antibacterial plastic and a preparation method thereof.
Background
The plastic is a plastic (flexible) material formed by processing or curing and crosslinking by taking high molecular weight synthetic resin as a main component and adding proper additives such as plasticizer, stabilizer, antioxidant, flame retardant, colorant and the like. Along with the development of society, the demands of people on the living environment of the people are also increasing. In particular, in the fields of food, medicine and agricultural product packaging, and daily necessities such as pens, mobile phones, computers, toothbrushes, furniture and the like, the sanitary requirements on materials used by the products are higher and higher. In public places such as stations, squares, parks and the like, the flow of people is very large, public facilities are frequently used, germs are easy to generate, and the public health is affected. Plastic articles are currently being used more and more in these fields with their characteristic properties. As the plastic products are easy to breed germs in the processing or using process, the plastic products can cause a certain harm to the health of human bodies. The existing antibacterial agent has poor fluidity and is difficult to be mixed with plastics sufficiently and uniformly, so that the quality of products can be reduced, and the antibacterial property can be influenced.
Disclosure of Invention
The invention aims to provide an antibacterial plastic and a preparation method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the invention provides an antibacterial plastic, which comprises the following components in parts by weight:
20-40 parts of high-density polyethylene, 20-40 parts of polycarbonate, 8-12 parts of talcum powder, 8-12 parts of porous glass microsphere, 1.2-1.6 parts of nano silver, 0.8-1.2 parts of zinc oxide, 1.2-1.6 parts of trichlorohydroxydiphenyl ether, 1-3 parts of mildew inhibitor, 0.8-1 part of cross-linking agent, 1-3 parts of glycerin and 0.8-1 part of dispersing agent.
Preferably, the composition comprises the following components in parts by weight:
25-35 parts of high-density polyethylene, 25-35 parts of polycarbonate resin, 9-11 parts of talcum powder, 9-11 parts of porous glass microsphere, 1.3-1.5 parts of nano silver, 0.9-1.1 parts of zinc oxide, 1.3-1.5 parts of trichlorohydroxydiphenyl ether, 1.5-2.5 parts of mildew preventive, 0.85-0.95 part of cross-linking agent, 1.5-2.5 parts of glycerin and 0.85-95 parts of dispersing agent.
Preferably, the composition comprises the following components in parts by weight:
30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass beads, 1.4 parts of nano silver, 1.4 parts of zinc oxide, 2 parts of trichlorohydroxydiphenyl ether, 0.9 part of mildew preventive, 2 parts of glycerol and 0.9 part of dispersing agent.
Preferably, the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1-1.5:1.
preferably, the crosslinking agent is dicumyl peroxide.
Preferably, the dispersing agent is a mixture of sodium dodecyl sulfate and methylpentanol.
Preferably, the mass ratio between sodium dodecyl sulfate and methyl amyl alcohol in the dispersing agent is 1:1.
the preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing high-density polyethylene, polycarbonate resin, talcum powder, porous glass beads, nano silver, zinc oxide, trichlorohydroxydiphenyl ether, mildew preventive, cross-linking agent and glycerin with corresponding weight, respectively putting the high-density polyethylene, the polycarbonate resin, the talcum powder, the zinc oxide and the trichlorohydroxydiphenyl ether into a pulverizer to pulverize, mixing the pulverized zinc oxide and the nano silver, adding glycerin, stirring at a stirring speed of 200-300r/min for 15-20 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 30-40min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 200-250r/min, stirring the mixture for 10-15 minutes, reacting the mixture for 10-15 minutes under the microwave condition, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to enable the temperature to be 180-200 ℃, stirring at a speed of 100-150r/min, stirring for 40-60min, then adding the mildew preventive and the cross-linking agent, continuously stirring to enable the stirring speed to be 250-300r/min, stirring for 20-30min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, performing melt granulation, and controlling the melting temperature to be 180-220 ℃ to obtain the antibacterial plastic.
Preferably, in step 1), the crushed high density polyethylene, polycarbonate, talc, zinc oxide and trichlorohydroxydiphenyl ether are passed through a 200-300 mesh sieve.
Preferably, in step 3), the power of the microwaves is 800-1000W.
In summary, due to the adoption of the technical scheme, the method has the following beneficial effects:
the invention provides an antibacterial plastic and a preparation method thereof, wherein the plastic in the invention has excellent antibacterial property on the basis of the original characteristics by adding nano silver, zinc oxide and trichlorohydroxydiphenyl ether, and the porous glass beads are used as carriers of the nano silver and the zinc oxide, and the nano silver and the zinc oxide are uniformly distributed in the plastic by the excellent fluidity of the porous glass beads, so that the product quality of the plastic is improved, the plastic has excellent antibacterial property and stability, and the carrying capacity of the porous glass beads is improved by preprocessing the porous glass beads, so that the antibacterial property of the plastic is further improved.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The existing antibacterial agent has poor fluidity and is difficult to be mixed with plastics sufficiently and uniformly, so that the quality of products can be reduced, and the antibacterial property is affected; according to the invention, the porous glass beads are used as carriers of nano silver and zinc oxide, and the nano silver and the zinc oxide can be uniformly distributed in the plastic through the excellent fluidity of the porous glass beads, so that the product quality of the plastic is improved, the plastic has excellent antibacterial property and stability, and the carrying capacity of the porous glass beads can be improved through pretreatment of the porous glass beads, so that the antibacterial property of the plastic is further improved.
Example 1
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 20 parts of high-density polyethylene, 20 parts of polycarbonate, 8 parts of talcum powder, 8 parts of porous glass microsphere, 1.2 parts of nano silver, 0.8 part of zinc oxide, 1.2 parts of trichlorohydroxydiphenyl ether, 1 part of mildew preventive, 0.8 part of cross-linking agent, 1 part of glycerol and 0.8 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 200-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, and stirring at a stirring speed of 200r/min for 15 minutes to obtain a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 30min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 200r/min, stirring the mixture for 10 minutes, reacting the mixture for 10 minutes under the microwave condition, wherein the power of the microwave is 800W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to enable the temperature to be 180 ℃, stirring at a stirring speed of 100r/min, stirring for 40min, then adding the mildew preventive and the cross-linking agent, continuously stirring to enable the stirring speed to be 250r/min, stirring for 20min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 180 ℃, thus obtaining the antibacterial plastic.
Example 2
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 40 parts of high-density polyethylene, 40 parts of polycarbonate resin, 12 parts of talcum powder, 12 parts of porous glass microsphere, 1.6 parts of nano silver, 1.2 parts of zinc oxide, 1.6 parts of trichlorohydroxydiphenyl ether, 3 parts of mildew preventive, 1 part of cross-linking agent, 3 parts of glycerol and 1 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.5:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 300-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, and stirring at a stirring speed of 300r/min for 20 minutes to obtain a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 40min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 250r/min, stirring the mixture for 15 minutes, reacting the mixture for 15 minutes under the microwave condition, wherein the power of the microwave is 1000W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 200 ℃, the stirring speed is 150r/min, stirring for 60min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 300r/min, stirring for 30min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 220 ℃ to obtain the antibacterial plastic.
Example 3
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 25 parts of high-density polyethylene, 25 parts of polycarbonate, 9 parts of talcum powder, 9 parts of porous glass microsphere, 1.3 parts of nano silver, 0.9 part of zinc oxide, 1.3 parts of trichlorohydroxydiphenyl ether, 1.5 parts of mildew preventive, 0.85 parts of cross-linking agent, 1.5 parts of glycerol and 0.85 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 4
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 5
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 35 parts of high-density polyethylene, 35 parts of polycarbonate, 11 parts of talcum powder, 11 parts of porous glass microsphere, 1.5 parts of nano silver, 1.1 parts of zinc oxide, 1.5 parts of trichlorohydroxydiphenyl ether, 1.7 parts of mildew preventive, 0.95 part of cross-linking agent, 2.5 parts of glycerol and 0.95 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 6
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.1:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 7
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.2:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 8
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.3:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 9
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.4:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Example 10
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.5:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 35min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Comparative example 1
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass microsphere, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew preventive, 0.9 part of cross-linking agent, 2 parts of glycerol and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew preventive comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew preventive is 1.3:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
2) Putting porous glass beads into the mixture A, stirring and mixing the mixture A to ensure that the stirring rotation speed is 230r/min, stirring the mixture for 13 minutes, reacting the mixture for 13 minutes under the microwave condition, wherein the power of the microwave is 900W, and washing, drying and roasting the mixture to obtain an antibacterial agent;
3) Mixing the antibacterial agent prepared in the step 2) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding the mildew preventive and the cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, carrying out melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
Comparative example 2
The preparation method of the antibacterial plastic specifically comprises the following steps:
1) Weighing 30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 1.4 parts of nano silver, 1 part of zinc oxide, 1.4 parts of trichlorohydroxydiphenyl ether, 1.6 parts of mildew inhibitor, 0.9 part of cross-linking agent, 2 parts of glycerin and 0.9 part of dispersing agent according to the corresponding weight, wherein the mildew inhibitor comprises copper sulfate and phenol, and the mass ratio of the copper sulfate to the phenol in the mildew inhibitor is 1.3:1, wherein the cross-linking agent is dicumyl peroxide, the dispersing agent is a mixture of sodium dodecyl sulfate and methyl amyl alcohol, and the mass ratio of the sodium dodecyl sulfate to the methyl amyl alcohol in the dispersing agent is 1:1, a step of; respectively putting high-density polyethylene, polycarbonate, talcum powder, zinc oxide and trichlorohydroxydiphenyl ether into a pulverizer to be pulverized, sieving with a 250-mesh sieve after pulverizing, mixing the pulverized zinc oxide and nano silver, adding glycerol, stirring at a stirring speed of 250r/min for 18 minutes, and obtaining a mixture A;
4) Mixing high-density polyethylene, polycarbonate, talcum powder, nano silver, zinc oxide and trichlorohydroxydiphenyl ether at a high temperature to ensure that the temperature is 190 ℃, the stirring speed is 130r/min, stirring for 50min, then adding a mildew preventive and a cross-linking agent, continuously stirring to ensure that the stirring speed is 280r/min, stirring for 25min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, performing melt granulation, and controlling the melting temperature to be 200 ℃, thus obtaining the antibacterial plastic.
The performance tests were conducted on examples 1-10 and comparative examples 1-2, and the results were as follows:
TABLE 1
To sum up: the invention provides an antibacterial plastic and a preparation method thereof, wherein the plastic in the invention has excellent antibacterial property on the basis of the original characteristics by adding nano silver, zinc oxide and trichlorohydroxydiphenyl ether, and the porous glass beads are used as carriers of the nano silver and the zinc oxide, and the nano silver and the zinc oxide are uniformly distributed in the plastic by the excellent fluidity of the porous glass beads, so that the product quality of the plastic is improved, the plastic has excellent antibacterial property and stability, and the carrying capacity of the porous glass beads is improved by preprocessing the porous glass beads, so that the antibacterial property of the plastic is further improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. An antibacterial plastic is characterized by comprising the following components in parts by weight:
20-40 parts of high-density polyethylene, 20-40 parts of polycarbonate, 8-12 parts of talcum powder, 8-12 parts of porous glass microsphere, 1.2-1.6 parts of nano silver, 0.8-1.2 parts of zinc oxide, 1.2-1.6 parts of trichlorohydroxydiphenyl ether, 1-3 parts of mildew inhibitor, 0.8-1 part of cross-linking agent, 1-3 parts of glycerin and 0.8-1 part of dispersing agent.
2. An antimicrobial plastic according to claim 1, comprising the following components in parts by weight:
25-35 parts of high-density polyethylene, 25-35 parts of polycarbonate resin, 9-11 parts of talcum powder, 9-11 parts of porous glass microsphere, 1.3-1.5 parts of nano silver, 0.9-1.1 parts of zinc oxide, 1.3-1.5 parts of trichlorohydroxydiphenyl ether, 1.5-2.5 parts of mildew preventive, 0.85-0.95 part of cross-linking agent, 1.5-2.5 parts of glycerin and 0.85-95 parts of dispersing agent.
3. An antimicrobial plastic according to claim 2, comprising the following components in parts by weight:
30 parts of high-density polyethylene, 30 parts of polycarbonate, 10 parts of talcum powder, 10 parts of porous glass beads, 1.4 parts of nano silver, 1.4 parts of zinc oxide, 2 parts of trichlorohydroxydiphenyl ether, 0.9 part of mildew preventive, 2 parts of glycerol and 0.9 part of dispersing agent.
4. An antimicrobial plastic according to claim 1, wherein the mildew inhibitor comprises copper sulfate and phenol, and the mass ratio between the copper sulfate and the phenol in the mildew inhibitor is 1-1.5:1.
5. an antimicrobial plastic according to claim 1, wherein the cross-linking agent is dicumyl peroxide.
6. An antimicrobial plastic according to claim 1, wherein the dispersant is a mixture of sodium dodecyl sulfate and methylpentanol.
7. An antimicrobial plastic according to claim 6, wherein the mass ratio between sodium dodecyl sulfate and methylpentanol in the dispersant is 1:1.
8. a method for preparing an antibacterial plastic according to any one of claims 1 to 7, comprising the following steps:
1) Weighing high-density polyethylene, polycarbonate resin, talcum powder, porous glass beads, nano silver, zinc oxide, trichlorohydroxydiphenyl ether, mildew preventive, cross-linking agent and glycerin with corresponding weight, respectively putting the high-density polyethylene, the polycarbonate resin, the talcum powder, the zinc oxide and the trichlorohydroxydiphenyl ether into a pulverizer to pulverize, mixing the pulverized zinc oxide and the nano silver, adding glycerin, stirring at a stirring speed of 200-300r/min for 15-20 minutes, and obtaining a mixture A;
2) Pretreatment of porous glass beads: placing the porous glass beads into a copper hydroxide solution for stirring and mixing so that the copper hydroxide solution submerges the porous glass beads, then soaking for 30-40min, filtering to take out the porous glass beads, and washing, drying and roasting for later use;
3) Placing the porous glass beads prepared in the step 2) into the mixture A, stirring and mixing the mixture A to ensure that the stirring speed is 200-250r/min, stirring the mixture for 10-15 minutes, reacting the mixture for 10-15 minutes under the microwave condition, and washing, drying and roasting the mixture to obtain the antibacterial agent;
4) Mixing the antibacterial agent prepared in the step 3) with high-density polyethylene, polycarbonate, talcum powder and trichlorohydroxydiphenyl ether at a high temperature to enable the temperature to be 180-200 ℃, stirring at a speed of 100-150r/min, stirring for 40-60min, then adding the mildew preventive and the cross-linking agent, continuously stirring to enable the stirring speed to be 250-300r/min, stirring for 20-30min to obtain a mixture B, adding the mixture B into a main feeding hopper of a parallel double-screw extruder, performing melt granulation, and controlling the melting temperature to be 180-220 ℃ to obtain the antibacterial plastic.
9. The method of producing an antibacterial plastic according to claim 8, wherein in step 1), the crushed high-density polyethylene, polycarbonate, talc, zinc oxide and trichlorohydroxydiphenyl ether are passed through a 200-300 mesh sieve.
10. The method of producing an antibacterial plastic according to claim 8, wherein in step 3), the power of the microwave is 800 to 1000W.
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