CN111892771A - Antibacterial high polymer material - Google Patents
Antibacterial high polymer material Download PDFInfo
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- CN111892771A CN111892771A CN202010728380.6A CN202010728380A CN111892771A CN 111892771 A CN111892771 A CN 111892771A CN 202010728380 A CN202010728380 A CN 202010728380A CN 111892771 A CN111892771 A CN 111892771A
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- antibacterial
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 39
- 239000002861 polymer material Substances 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 11
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008117 stearic acid Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 8
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000007822 coupling agent Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 229920001661 Chitosan Polymers 0.000 claims description 11
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 9
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 9
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 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 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical group [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000084 colloidal system Substances 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 230000003712 anti-aging effect Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- LZMJNVRJMFMYQS-UHFFFAOYSA-N poseltinib Chemical group C1CN(C)CCN1C(C=C1)=CC=C1NC1=NC(OC=2C=C(NC(=O)C=C)C=CC=2)=C(OC=C2)C2=N1 LZMJNVRJMFMYQS-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08K2003/085—Copper
-
- 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
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses an antibacterial high polymer material, and relates to the technical field of antibacterial materials, wherein the antibacterial high polymer material comprises the following raw materials in parts by weight: 100-200 parts of polypropylene, 5-30 parts of polybutadiene, 0.5-2 parts of coupling agent, 0.5-1 part of stearic acid, 0.2-0.5 part of antioxidant, 5-10 parts of chitosan-TiO 2/Cu composite material and 10-20 parts of silicon dioxide. The antibacterial high polymer material has good antibacterial effect and antibacterial efficiency, and the preparation process is simple and suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of antibacterial materials, in particular to an antibacterial high polymer material.
Background
With the development of society and the improvement of living standard of people, people pay more and more attention to the harm of harmful microorganisms such as bacteria, mold and the like to self health, living quality and living environment. The antibacterial high polymer material comprises antibacterial plastic, antibacterial fiber, antibacterial rubber and other materials, can inhibit and kill bacteria, fungi and other microorganisms attached to the antibacterial high polymer material, and is widely applied to the fields of medical treatment, toys, water purification, transmission systems and the like. However, most of the existing antibacterial polymer materials have the problems of low antibacterial efficiency and general antibacterial effect.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an antibacterial high polymer material which has good antibacterial effect and antibacterial efficiency.
The invention provides an antibacterial high polymer material which comprises the following raw materials in parts by weight: 100 portions of polypropylene, 5 to 30 portions of polybutadiene, 0.5 to 2 portions of coupling agent, 0.5 to 1 portion of stearic acid, 0.2 to 0.5 portion of antioxidant and chitosan-TiO25-10 parts of/Cu composite material and 10-20 parts of silicon dioxide.
Preferably, the chitosan-TiO2The preparation of the/Cu composite material is as follows: adding tetrabutyl titanate into absolute ethyl alcohol, and stirring to prepare a solution A; dissolving chitosan in acetic acid solution, adding copper sulfate, and stirring to prepare solution B; mixing the solution A and the solution B, grinding, then carrying out ultrasonic treatment, drying, grinding and calcining to obtain the chitosan-TiO2a/Cu composite material.
Preferably, the chitosan-TiO2The preparation of the/Cu composite material is as follows: adding tetrabutyl titanate into absolute ethyl alcohol, and stirring to prepare a solution A; dissolving chitosan in acetic acid solution, adding copper sulfate, and stirring to prepare solution B; circularly mixing the solution A and the solution B in a colloid mill, grinding for 40-60min, then carrying out ultrasonic treatment for 1.5-2.5h, drying at 80-90 ℃, grinding, and calcining at 380-440 ℃ for 60-90min to obtain the chitosan-TiO2a/Cu composite material.
Preferably, the weight ratio of the tetrabutyl titanate to the chitosan to the copper sulfate is 1: 1.3-1.8: 0.12-0.16.
Preferably, the melt index of the polypropylene is 20-30g/min under the condition of 230 ℃/2.16 Kg.
Preferably, the coupling agent is a vinyl silane coupling agent.
Preferably, the stearic acid is stearic acid 1810.
Preferably, the antioxidant is a compound composition of antioxidant 1010 and antioxidant 168
In the present invention, the antibacterial polymer material is prepared as follows: mixing the raw materials of each component, adding the mixture into a double-screw extruder, cooling and drawing the strips after extrusion, granulating and drying to obtain the composite material.
The processing temperature of the double-screw extruder is 200-235 ℃, and the rotating speed of the main machine is 350-450 rpm.
Has the advantages that: the invention adopts polypropylene as main material, and the addition of polybutadiene destroys the regularity of polypropylene chains, reduces the crystallinity of the polypropylene chains and improves the impact property of the material. Added chitosan-TiO2Cu nanocomposite, TiO2Cu can produce synergistic antibacterial action with chitosan, strengthens antibiotic effect, and adopts chitosan as the substrate, and it has fine affinity effect with the microorganism, can adsorb on the surface of microorganism, and then improves the antibiotic effect of material. Under the action of stearic acid and coupling agent, chitosan-TiO2the/Cu composite material and the silicon dioxide are well dispersed in the material, and the prepared antibacterial high polymer material has good antibacterial effect and antibacterial efficiency and a simple preparation process.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
Chitosan-TiO2Preparation of the/Cu composite material: adding 4 parts of tetrabutyl titanate into 30 parts of absolute ethyl alcohol, and stirring to prepare a solution A; dissolving 5.2 parts of chitosan in 200 parts of 5% acetic acid solution, adding 0.48 part of copper sulfate, and stirring to prepare solution B; circularly mixing the solution A and the solution B in a colloid mill, grinding for 40min, and then carrying out ultrasonic treatment 1Drying at 80 deg.C for 5 hr, grinding, and calcining at 380 deg.C for 90min to obtain chitosan-TiO2a/Cu composite material.
Example 2
Chitosan-TiO2Preparation of the/Cu composite material: adding 4 parts of tetrabutyl titanate into 30 parts of absolute ethyl alcohol, and stirring to prepare a solution A; dissolving 6 parts of chitosan in 200 parts of 5% acetic acid solution, adding 0.6 part of copper sulfate, and stirring to prepare solution B; circularly mixing solution A and solution B in colloid mill, grinding for 60min, ultrasonic treating for 2 hr, drying at 85 deg.C, grinding, and calcining at 400 deg.C for 80min to obtain chitosan-TiO2a/Cu composite material.
Example 3
Chitosan-TiO2Preparation of the/Cu composite material: adding 4 parts of tetrabutyl titanate into 30 parts of absolute ethyl alcohol, and stirring to prepare a solution A; dissolving 7.2 parts of chitosan in 200 parts of 5% acetic acid solution, adding 0.64 part of copper sulfate, and stirring to prepare solution B; circularly mixing solution A and solution B in colloid mill, grinding for 60min, ultrasonic treating for 2.5 hr, drying at 90 deg.C, grinding, calcining at 440 deg.C for 60min to obtain chitosan-TiO2a/Cu composite material.
Example 4
An antibacterial high polymer material comprises the following components in parts by weight: 100 parts of polypropylene, 5 parts of polybutadiene, 0.5 part of vinyl silane coupling agent, 18100.7 parts of stearic acid, 0.5 part of antioxidant and the chitosan-TiO prepared in example 125 parts of/Cu composite material and 20 parts of silicon dioxide; wherein the melt index of the polypropylene is 20g/min (230 ℃/2.16Kg), the antioxidant is antioxidant 1010 and antioxidant 168, and the weight ratio of the antioxidant is 1: 1 weight ratio.
Preparation: mixing the raw materials of each component, adding the mixture into a double-screw extruder, wherein the processing temperature of the double-screw extruder is 200-.
Example 5
An antibacterial high polymer material comprises the following components in parts by weight: 150 parts of polypropylene and 15 parts of polybutadiene1 part of vinyl silane coupling agent, 18100.5 parts of stearic acid, 0.2 part of antioxidant and the chitosan-TiO prepared in example 127 parts of/Cu composite material and 15 parts of silicon dioxide; wherein the melt index of the polypropylene is 25g/min (230 ℃/2.16Kg), the antioxidant is antioxidant 1010 and antioxidant 168, and the weight ratio of the antioxidant is 1: 1 weight ratio.
The preparation is as in example 4.
Example 6
An antibacterial high polymer material comprises the following components in parts by weight: 180 parts of polypropylene, 20 parts of polybutadiene, 2 parts of vinyl silane coupling agent, 18100.8 parts of stearic acid, 0.4 part of antioxidant and the chitosan-TiO prepared in example 228 parts of/Cu composite material and 10 parts of silicon dioxide; wherein the melt index of the polypropylene is 27g/min (230 ℃/2.16Kg), the antioxidant is antioxidant 1010 and antioxidant 168, and the weight ratio of the antioxidant is 1: 1 weight ratio.
The preparation is as in example 4.
Example 7
An antibacterial high polymer material comprises the following components in parts by weight: 200 parts of polypropylene, 30 parts of polybutadiene, 1.5 parts of vinyl silane coupling agent, 18101 parts of stearic acid, 0.3 part of antioxidant and the chitosan-TiO prepared in example 2210 parts of/Cu composite material and 13 parts of silicon dioxide; wherein the melt index of the polypropylene is 30g/min (230 ℃/2.16Kg), the antioxidant is antioxidant 1010 and antioxidant 168, and the weight ratio of the antioxidant is 1: 1 weight ratio.
The preparation is as in example 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The antibacterial high polymer material is characterized by comprising the following raw materials in parts by weight: 100 portions of polypropylene, 200 portions of polybutadiene, 5 to 30 portions of polybutadiene, 0.5 to 2 portions of coupling agent, 0.5 to 1 portion of stearic acid and anti-aging agent0.2-0.5 part of oxygen agent and chitosan-TiO25-10 parts of/Cu composite material and 10-20 parts of silicon dioxide.
2. The antibacterial polymer material according to claim 1, wherein the chitosan-TiO is2The preparation of the/Cu composite material is as follows: adding tetrabutyl titanate into absolute ethyl alcohol, and stirring to prepare a solution A; dissolving chitosan in acetic acid solution, adding copper sulfate, and stirring to prepare solution B; mixing the solution A and the solution B, grinding, then carrying out ultrasonic treatment, drying, grinding and calcining to obtain the chitosan-TiO2a/Cu composite material.
3. The antibacterial polymer material according to claim 2, wherein the chitosan-TiO is2The preparation of the/Cu composite material is as follows: adding tetrabutyl titanate into absolute ethyl alcohol, and stirring to prepare a solution A; dissolving chitosan in acetic acid solution, adding copper sulfate, and stirring to prepare solution B; circularly mixing the solution A and the solution B in a colloid mill, grinding for 40-60min, then carrying out ultrasonic treatment for 1.5-2.5h, drying at 80-90 ℃, grinding, and calcining at 380-440 ℃ for 60-90min to obtain the chitosan-TiO2a/Cu composite material.
4. The antibacterial polymer material according to claim 2, wherein the weight ratio of tetrabutyl titanate, chitosan and copper sulfate is 1: 1.3-1.8: 0.12-0.16.
5. The antibacterial polymeric material according to any one of claims 1 to 4, wherein the polypropylene melt index is 20 to 30g/min at 230 ℃/2.16 Kg.
6. The antibacterial polymeric material according to any one of claims 1 to 5, wherein the coupling agent is a vinyl silane coupling agent.
7. The antibacterial polymeric material according to any one of claims 1 to 6, wherein the stearic acid is 1810.
8. The antibacterial polymer material according to any one of claims 1 to 7, wherein the antioxidant is a combination of antioxidant 1010 and antioxidant 168.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728380.6A CN111892771A (en) | 2020-07-24 | 2020-07-24 | Antibacterial high polymer material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728380.6A CN111892771A (en) | 2020-07-24 | 2020-07-24 | Antibacterial high polymer material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111892771A true CN111892771A (en) | 2020-11-06 |
Family
ID=73190849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728380.6A Pending CN111892771A (en) | 2020-07-24 | 2020-07-24 | Antibacterial high polymer material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111892771A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5614568A (en) * | 1992-12-25 | 1997-03-25 | Japan Synthetic Rubber Co., Ltd. | Antibacterial resin composition |
| CN104448557A (en) * | 2014-11-24 | 2015-03-25 | 苏州市贝克生物科技有限公司 | Medical organic silicon quaternary ammonium salt antibacterial agent modified PP and preparation method thereof |
| CN108064882A (en) * | 2017-12-11 | 2018-05-25 | 刘凡领 | A kind of preparation method of long-acting antibiotic agent |
-
2020
- 2020-07-24 CN CN202010728380.6A patent/CN111892771A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5614568A (en) * | 1992-12-25 | 1997-03-25 | Japan Synthetic Rubber Co., Ltd. | Antibacterial resin composition |
| CN104448557A (en) * | 2014-11-24 | 2015-03-25 | 苏州市贝克生物科技有限公司 | Medical organic silicon quaternary ammonium salt antibacterial agent modified PP and preparation method thereof |
| CN108064882A (en) * | 2017-12-11 | 2018-05-25 | 刘凡领 | A kind of preparation method of long-acting antibiotic agent |
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Application publication date: 20201106 |
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