CN113402736A - Antibacterial color master batch and preparation method thereof - Google Patents
Antibacterial color master batch and preparation method thereof Download PDFInfo
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- CN113402736A CN113402736A CN202110749457.2A CN202110749457A CN113402736A CN 113402736 A CN113402736 A CN 113402736A CN 202110749457 A CN202110749457 A CN 202110749457A CN 113402736 A CN113402736 A CN 113402736A
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- weight polypropylene
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- 239000004595 color masterbatch Substances 0.000 title claims abstract description 38
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- -1 polypropylene Polymers 0.000 claims abstract description 41
- 239000004743 Polypropylene Substances 0.000 claims abstract description 34
- 229920001155 polypropylene Polymers 0.000 claims abstract description 34
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011701 zinc Substances 0.000 claims abstract description 22
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 19
- 239000004332 silver Substances 0.000 claims abstract description 19
- 229910052709 silver Inorganic materials 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 15
- 239000004246 zinc acetate Substances 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000012760 heat stabilizer Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004579 marble Substances 0.000 claims description 4
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 3
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 125000005456 glyceride group Chemical group 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- FPSFKBGHBCHTOE-UHFFFAOYSA-N sodium 3-hydroxy-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]naphthalene-1-sulfonic acid Chemical compound [Na+].O=C1C(N=NC=2C3=CC=CC=C3C(=CC=2O)S(O)(=O)=O)C(C)=NN1C1=CC=CC=C1 FPSFKBGHBCHTOE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 3
- 239000012279 sodium borohydride Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000004599 antimicrobial Substances 0.000 claims description 2
- 150000002194 fatty esters Chemical class 0.000 claims description 2
- 230000000845 anti-microbial effect Effects 0.000 claims 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011787 zinc oxide Substances 0.000 abstract description 3
- 230000006750 UV protection Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002209 Crumb rubber Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940083159 ethylene distearamide Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- AXLMPTNTPOWPLT-UHFFFAOYSA-N prop-2-enyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OCC=C AXLMPTNTPOWPLT-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K2003/2237—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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an antibacterial color master batch and a preparation method thereof, wherein the color master batch comprises the following components in parts by weight: 20-30 parts of pigment, 8-12 parts of dispersing agent, 30-40 parts of low-melt-strength EVA colloidal particles, 10-15 parts of nano zinc oxide-low molecular weight polypropylene compound and 5-8 parts of silver-containing antibacterial agent. The antibacterial component silver can be uniformly dispersed in the carrier under the combined action of the dispersing agent, the nano zinc oxide-low molecular weight polypropylene compound and the low melt strength EVA colloidal particles, the nano zinc oxide-low molecular weight polypropylene compound can well disperse the nano zinc oxide in the low molecular weight polypropylene in the preparation process, the color master can be endowed with good antibacterial property and ultraviolet resistance and can enhance the tensile tearing property of the color master, and meanwhile, the antibacterial component silver can flow along with the low molecular weight polypropylene and is compatible and mutually fused with the low melt strength EVA colloidal particles, so that the antibacterial effect and the antibacterial uniformity are obvious. Likewise, the pigment is uniformly dispersed.
Description
Technical Field
The invention belongs to the technical field of color master batches, and particularly relates to an antibacterial color master batch and a preparation method thereof.
Background
The color master batch is a plastic colorant which is prepared by well dispersing a pigment or an additive and a thermoplastic resin in a high proportion, and the selected resin has good wetting and dispersing effects on the colorant and has good compatibility with a material to be colored. Namely: pigment, carrier and additive are color master batch.
Chinese published patent literature (CN 106977807A) discloses a nano EVA color master batch, which is prepared from the following raw materials in parts by weight: the coating comprises, by weight, 60-65 parts of EVA, 15-25 parts of PE, 8-23 parts of nano molybdenum disulfide, 15-28 parts of polytetrafluoroethylene wax, 2-6 parts of potassium persulfate, 5-9 parts of nano titanium nitride, 3-7 parts of fatty alcohol-polyoxyethylene ether, 10-20 parts of nano kieselguhr, 4-8 parts of a pigment, 8-15 parts of nano perlite, 4-7 parts of 1, 4-butylene glycol, 8-23 parts of graphene, 15-28 parts of allyl acetoacetate and 45-60 parts of water. The technology adopts the synergistic effect of a plurality of components to overcome the problems of unstable color, large color difference and the like when the conventional EVA color master batch is colored.
Chinese published patent literature (CN 105199183A) discloses a color master batch formula which is characterized by comprising the following components in parts by weight: 20-80 parts of carrier, 5-30 parts of toner, 5-25 parts of dispersant, 1-8 parts of heat stabilizer, 1-8 parts of antibacterial agent, 1-8 parts of antioxidant and 1-5 parts of additive. The antibacterial agent, the antioxidant and the additive are added into the color master batch, so that the anti-aging performance of the color master batch can be further enhanced, the antibacterial performance of the color master batch is improved, and the antibacterial and bacteriostatic effects are achieved.
Therefore, how to uniformly disperse the pigment in the resin carrier and the antibacterial effect are important indexes in the research and development of the color master batch. However, as for the antibacterial agent, a porous carrier or a nano-sized powder having a large specific surface area is generally selected, and then an antibacterial component such as silver is supported on the carrier and added to a plastic substrate. The antibacterial agent has a big problem in the application of adding and modifying plastics or rubber and the like: how to disperse the antimicrobial agent in the plastic matrix to avoid creating local high concentrations.
Disclosure of Invention
The invention aims to provide an antibacterial color master batch and a preparation method thereof, wherein antibacterial ingredients and pigments are uniformly dispersed, and the antibacterial color master batch has good antibacterial property.
In order to achieve the purpose, the invention adopts the technical scheme that:
the antibacterial color master batch comprises the following components in parts by weight: 20-30 parts of pigment, 8-12 parts of dispersing agent, 30-40 parts of low-melt-strength EVA colloidal particles, 10-15 parts of nano zinc oxide-low molecular weight polypropylene compound and 5-8 parts of silver-containing antibacterial agent.
Preferably, the pigment is one of carbon black, titanium dioxide, iron oxide yellow and molybdenum chrome red.
Preferably, the dispersant is polyethylene wax, ethylene bisstearamide or pentaerythritol stearate.
Preferably, the environment-friendly color master batch further comprises 2-5 parts of a heat stabilizer, wherein the heat stabilizer is epoxy glyceride, epoxy fatty ester, calcium stearate or zinc stearate.
Preferably, the environment-friendly color master batch further comprises 0.5-1 part of antioxidant, wherein the antioxidant is one or more of 3114, 1010 and DSTP.
Preferably, the low melt strength EVA crumb rubber is one or more of tai po 7350, tai po 7470 and tai po 3312.
Preferably, the preparation method of the nano zinc oxide-low molecular weight polypropylene composite comprises the following steps: using zinc acetate as a precursor and dissolving the zinc acetate in 2.5% glacial acetic acid water solution to prepare a zinc acetate solution with the mass concentration of 10%; mixing low molecular weight polypropylene and high boiling point oil solution in a reactor, heating and melting, dropwise adding zinc acetate solution under continuous high-speed stirring, wherein the reaction temperature is 200-250 ℃, and the dropwise adding amount is 0.1-0.2 g of zinc acetate solution per gram of low molecular weight polypropylene, so as to obtain the nano zinc oxide-low molecular weight polypropylene compound.
Preferably, the molecular weight of the low molecular weight polypropylene in the nano zinc oxide-low molecular weight polypropylene composite is 4000-5000.
Preferably, the silver-containing antibacterial agent is prepared by the following steps: dispersing 100 parts by weight of 300-500-mesh marble powder in distilled water, adding 3-5 parts by weight of 10% silver nitrate solution by mass percentage, uniformly stirring, and dropwise adding 3-5 parts by weight of 10% sodium borohydride solution by mass percentage until the mixed solution is green; standing, filtering the mixed solution, washing, and drying at 200-300 ℃ to obtain the powdery silver-containing antibacterial agent.
The invention also provides a preparation method of the antibacterial color master batch, which comprises the following specific steps:
1) preparing materials: weighing the components according to the formula for later use;
2) banburying: putting the mixture into an internal mixer for internal mixing until the mixture is agglomerated, and discharging the mixture, wherein the temperature is controlled to be 120-150 ℃;
3) cutting: cutting the material obtained by banburying in the step 2) into small blocks of 25-35 cm (25-35) cm, and cooling the small blocks to room temperature;
4) open mixing: the material cut and cooled in the step 3) is milled on a mill, the temperature is controlled to be 90-100 ℃, cloth is drawn, the material is formed into a thin cloth shape of (25-35) cm x (25-35) cm, and the material is cooled for standby;
5) crushing: crushing the thin cloth-shaped material obtained in the step 4) to 1cm by using a crusher.
Compared with the prior art, the invention has the following beneficial effects:
the invention uses low melt strength EVA colloidal particles in the formula, which can reduce the cohesion among carrier molecules, enhance the dispersing ability and processing rheological property of pigment, silver-containing antibacterial agent and nano zinc oxide-low molecular weight polypropylene compound, and the first antibacterial component silver is loaded in marble powder filler, can realize uniform dispersion in the carrier under the combined action of dispersing agent, nano zinc oxide-low molecular weight polypropylene compound and low melt strength EVA colloidal particles, the second nano zinc oxide-low molecular weight polypropylene compound can well disperse nano zinc oxide in low molecular weight polypropylene in the preparation process, can not generate agglomeration, can endow color master with good antibacterial property, ultraviolet resistance and enhanced color master tensile tearing property through nano zinc oxide, and can be compatible with low melt strength EVA colloidal particles along with the flow of low melt strength, thereby showing a remarkable antibacterial effect and antibacterial uniformity. Likewise, the pigment may be uniformly dispersed in the carrier, and the colored article may be free of specks and streaks.
Detailed Description
Example 1
The embodiment provides an antibacterial color master batch, which comprises the following components in parts by weight: 25 parts of titanium dioxide, 10 parts of polyethylene wax, 40 parts of low-melt-strength EVA colloidal particles, 12 parts of a nano zinc oxide-low-molecular-weight polypropylene compound and 8 parts of a silver-containing antibacterial agent, wherein the low-melt-strength EVA colloidal particles are tai-poly 7350.
Example 2
The embodiment provides an antibacterial color master batch, which comprises the following components in parts by weight: 20 parts of carbon black, 8 parts of ethylene bisstearamide, 30 parts of low-melt-strength EVA colloidal particles, 10 parts of a nano zinc oxide-low-molecular-weight polypropylene composite, 5 parts of a silver-containing antibacterial agent, 2 parts of zinc stearate and 0.5 part of an antioxidant 3114, wherein the low-melt-strength EVA colloidal particles are Taiji 7470.
Example 3
The embodiment provides an antibacterial color master batch, which comprises the following components in parts by weight: 25 parts of molybdenum chrome red, 6 parts of polyethylene wax, 4 parts of ethylene distearamide, 35 parts of low-melt-strength EVA colloidal particles, 15 parts of nano zinc oxide-low-molecular-weight polypropylene compound, 6 parts of silver-containing antibacterial agent, 3 parts of calcium stearate, 0.3 part of antioxidant 1010 and 0.5 part of antioxidant DSTP, wherein the low-melt-strength EVA colloidal particles are Taiji 3312.
Example 4
The embodiment provides an antibacterial color master batch, which comprises the following components in parts by weight: 20 parts of iron oxide yellow, 8 parts of polyethylene wax, 4 parts of pentaerythritol stearate, 20 parts of poly 7350, 15 parts of poly 7470, 10 parts of nano zinc oxide-low molecular weight polypropylene compound, 6 parts of silver-containing antibacterial agent, 0.8 part of antioxidant 1010 and 0.2 part of antioxidant DSTP.
Example 5
The embodiment provides an antibacterial color master batch, which comprises the following components in parts by weight: 30 parts of titanium dioxide, 12 parts of polyethylene wax, 15 parts of poly 7350, 20 parts of poly 3312, 12 parts of nano zinc oxide-low molecular weight polypropylene compound, 5 parts of silver-containing antibacterial agent, 2 parts of epoxy glyceride and 3 parts of zinc stearate.
The preparation methods of the nano zinc oxide-low molecular weight polypropylene composite of the above examples 1 to 5 are all as follows: using zinc acetate as a precursor and dissolving the zinc acetate in 2.5% glacial acetic acid water solution to prepare a zinc acetate solution with the mass concentration of 10%; mixing low molecular weight polypropylene and high boiling point oil solution in a reactor, heating and melting, dropwise adding zinc acetate solution under continuous high-speed stirring, wherein the reaction temperature is 200-250 ℃, and the dropwise adding amount is 0.1-0.2 g of zinc acetate solution per gram of low molecular weight polypropylene, so as to obtain the nano zinc oxide-low molecular weight polypropylene compound. The molecular weight of the low molecular weight polypropylene in the nano zinc oxide-low molecular weight polypropylene compound is 4000-5000.
The silver-containing antibacterial agents of examples 1 to 5 above were prepared by the following methods: dispersing 100 parts by weight of 300-500-mesh marble powder in distilled water, adding 3-5 parts by weight of 10% silver nitrate solution by mass percentage, uniformly stirring, and dropwise adding 3-5 parts by weight of 10% sodium borohydride solution by mass percentage until the mixed solution is green; standing, filtering the mixed solution, washing, and drying at 200-300 ℃ to obtain the powdery silver-containing antibacterial agent.
The preparation method of the antibacterial color master batch of the above embodiments 1 to 5 comprises the following specific steps: 1) preparing materials: weighing the components according to the formula for later use; 2) banburying: putting the mixture into an internal mixer for internal mixing until the mixture is agglomerated, and discharging the mixture, wherein the temperature is controlled to be 120-150 ℃; 3) cutting: cutting the material obtained by banburying in the step 2) into small blocks of 25-35 cm (25-35) cm, and cooling the small blocks to room temperature; 4) open mixing: the material cut and cooled in the step 3) is milled on a mill, the temperature is controlled to be 90-100 ℃, cloth is drawn, the material is formed into a thin cloth shape of (25-35) cm x (25-35) cm, and the material is cooled for standby; 5) crushing: crushing the thin cloth-shaped material obtained in the step 4) to 1cm by using a crusher.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The antibacterial color master batch is characterized in that: the paint comprises the following components in parts by weight: 20-30 parts of pigment, 8-12 parts of dispersing agent, 30-40 parts of low-melt-strength EVA colloidal particles, 10-15 parts of nano zinc oxide-low molecular weight polypropylene compound and 5-8 parts of silver-containing antibacterial agent.
2. The antimicrobial color masterbatch of claim 1, wherein: the pigment is one of carbon black, titanium dioxide, iron oxide yellow and molybdenum chrome red.
3. The antimicrobial color masterbatch of claim 1, wherein: the dispersing agent is polyethylene wax, ethylene bisstearamide or pentaerythritol stearate.
4. The antimicrobial color masterbatch of claim 1, wherein: the environment-friendly color master batch further comprises 2-5 parts of a heat stabilizer, wherein the heat stabilizer is epoxy glyceride, epoxy fatty ester, calcium stearate or zinc stearate.
5. The antimicrobial color masterbatch of claim 1, wherein: the environment-friendly color master batch further comprises 0.5-1 part of antioxidant, wherein the antioxidant is one or more of 3114, 1010 and DSTP.
6. The antimicrobial color masterbatch of claim 1, wherein: the low melt strength EVA colloidal particles are one or more of Taiwan poly 7350, Taiwan poly 7470 and Taiwan poly 3312.
7. The antimicrobial color masterbatch of claim 1, wherein: the preparation method of the nano zinc oxide-low molecular weight polypropylene compound comprises the following steps: using zinc acetate as a precursor and dissolving the zinc acetate in 2.5% glacial acetic acid water solution to prepare a zinc acetate solution with the mass concentration of 10%; mixing low molecular weight polypropylene and high boiling point oil solution in a reactor, heating and melting, dropwise adding zinc acetate solution under continuous high-speed stirring, wherein the reaction temperature is 200-250 ℃, and the dropwise adding amount is 0.1-0.2 g of zinc acetate solution per gram of low molecular weight polypropylene, so as to obtain the nano zinc oxide-low molecular weight polypropylene compound.
8. The antimicrobial color masterbatch of claim 7, wherein: the molecular weight of the low molecular weight polypropylene in the nano zinc oxide-low molecular weight polypropylene compound is 4000-5000.
9. The antimicrobial color masterbatch of claim 1, wherein: the preparation method of the silver-containing antibacterial agent comprises the following steps: dispersing 100 parts by weight of 300-500-mesh marble powder in distilled water, adding 3-5 parts by weight of 10% silver nitrate solution by mass percentage, uniformly stirring, and dropwise adding 3-5 parts by weight of 10% sodium borohydride solution by mass percentage until the mixed solution is green; standing, filtering the mixed solution, washing, and drying at 200-300 ℃ to obtain the powdery silver-containing antibacterial agent.
10. A process for the preparation of an antimicrobial masterbatch according to any one of claims 1 to 9, wherein: the method comprises the following specific steps:
1) preparing materials: weighing the components according to the formula for later use;
2) banburying: putting the mixture into an internal mixer for internal mixing until the mixture is agglomerated, and discharging the mixture, wherein the temperature is controlled to be 120-150 ℃;
3) cutting: cutting the material obtained by banburying in the step 2) into small blocks of 25-35 cm (25-35) cm, and cooling the small blocks to room temperature;
4) open mixing: the material cut and cooled in the step 3) is milled on a mill, the temperature is controlled to be 90-100 ℃, cloth is drawn, the material is formed into a thin cloth shape of (25-35) cm x (25-35) cm, and the material is cooled for standby;
5) crushing: crushing the thin cloth-shaped material obtained in the step 4) to 1cm by using a crusher.
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