CN114806013A - Antibacterial polypropylene material and preparation method thereof - Google Patents
Antibacterial polypropylene material and preparation method thereof Download PDFInfo
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- CN114806013A CN114806013A CN202210464348.0A CN202210464348A CN114806013A CN 114806013 A CN114806013 A CN 114806013A CN 202210464348 A CN202210464348 A CN 202210464348A CN 114806013 A CN114806013 A CN 114806013A
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
Abstract
The invention discloses an antibacterial polypropylene material and a preparation method thereof. The polypropylene material comprises the following raw materials in parts by weight: 100-120 parts of polypropylene, 10-15 parts of glass fiber, 10-15 parts of ionic liquid, 2-5 parts of antibacterial filler and 1-3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler. The polypropylene material of the invention takes polypropylene as a main raw material, the glass fiber is added to improve the strength of the polypropylene, the compatibility between the glass fiber and the polypropylene and between the antibacterial filler and the polypropylene are improved through the ionic liquid, and the integral antibacterial performance of the polypropylene material is improved through the antibacterial filler.
Description
Technical Field
The invention relates to an antibacterial polypropylene material and a preparation method thereof, belonging to the technical field of plastics.
Background
The polypropylene resin is widely applied to the industries of household appliances and automobiles, and has the advantages that the polypropylene resin not only can replace metal and engineering plastics, but also has the characteristics of easy recovery, light weight and relatively low price. These applications require materials with high mechanical properties (stiffness and toughness) and also a desirable gloss level to obtain the aesthetic effect of the article. High-gloss polypropylene is gradually replacing materials such as HIPS (high impact polystyrene), ABS (acrylonitrile butadiene styrene) and the like at present, and is applied to shells of household appliances such as electric cookers, electric kettles, microwave ovens, dust collectors and washing machines and interior trim parts of automobiles.
The antibacterial plastic is a novel functional plastic with the function of killing or inhibiting the growth and reproduction activities of microorganisms. Many substances in nature have good functions of sterilizing or inhibiting the growth of microorganisms, such as some inorganic metal materials and compounds thereof, organic substances and partial minerals with specific groups, and the like. In terms of the current antibacterial plastic, the antibacterial function composite material is more, namely, a certain antibacterial substance is added into the plastic so as to enable the plastic to achieve the purpose of inhibiting or killing bacteria on the surface of the plastic. The antibacterial plastic can inhibit or kill microorganisms stained on the surfaces of products, and can keep the surfaces of the products clean, so that the harm of harmful microorganisms to human beings contacting the products is reduced, and the antibacterial plastic is more and more widely applied to the field of preparing healthy daily necessities.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an antibacterial polypropylene material and a preparation method thereof, and the antibacterial performance of a polypropylene product is improved.
The invention is realized by the following technical scheme:
an antibacterial polypropylene material comprises the following raw materials in parts by weight: 100-120 parts of polypropylene, 10-15 parts of glass fiber, 10-15 parts of ionic liquid, 2-5 parts of antibacterial filler and 1-3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
The acid treatment of the antibacterial polypropylene material is to treat the activated carbon by adopting a hydrofluoric acid solution.
The antibacterial polypropylene material is characterized in that the mass fraction of hydrofluoric acid in the hydrofluoric acid solution is 85-90%.
The antibacterial polypropylene material is prepared from a silver ion solution and a water solution, wherein the silver ion solution is a mixed solution of silver nitrate, hexametaphosphate and water, and the weight parts of the silver nitrate, the hexametaphosphate and the water are 2-4 parts, 3-5 parts and 15-20 parts respectively.
The ionic liquid is pyrrole ionic liquid.
The auxiliary agent of the antibacterial polypropylene material is one or more of a dispersing agent, a coupling agent or an anti-aging agent.
The preparation method of the antibacterial polypropylene material comprises the following steps: placing the glass fiber in a silver ion solution for ultrasonic soaking, filtering and drying to obtain the glass fiber, placing the glass fiber in an ionic liquid, adding polypropylene, stirring and mixing, adding an antibacterial filler and an auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
The invention achieves the following beneficial effects:
the polypropylene material of the invention takes polypropylene as a main raw material, the glass fiber is added to improve the strength of the polypropylene, the compatibility between the glass fiber and the polypropylene and between the antibacterial filler and the polypropylene are improved through the ionic liquid, and the integral antibacterial performance of the polypropylene material is improved through the antibacterial filler.
The antibacterial filler takes the activated carbon as a main raw material, the surface of the activated carbon is corroded into a rough surface through acid treatment, and then the activated carbon is soaked in the silver ion solution, so that more silver ions can be loaded, and the antibacterial performance of the polypropylene material is improved.
When the material is prepared, the glass fiber is soaked in the silver ion solution, and the glass fiber also has certain antibacterial property, so that the integral antibacterial property of the polypropylene material is improved.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 100 parts of polypropylene, 10 parts of glass fiber, 10 parts of pyrrole ionic liquid, 2 parts of antibacterial filler and 2 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
Wherein, the acid treatment is to treat the active carbon by adopting hydrofluoric acid solution, and the mass fraction of hydrofluoric acid in the hydrofluoric acid solution is 90%.
The silver ion solution is a mixed solution of silver nitrate, hexametaphosphate and water, wherein the weight parts of the silver nitrate, the hexametaphosphate and the water are respectively 2 parts, 5 parts and 15 parts.
The assistant is 1 part of zinc stearate and 1 part of silane coupling agent.
A preparation method of an antibacterial polypropylene material comprises the following steps: placing the glass fiber in a silver ion solution for ultrasonic soaking, filtering and drying to obtain the glass fiber, placing the glass fiber in an ionic liquid, adding polypropylene, stirring and mixing, adding an antibacterial filler and an auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
Example 2
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 120 parts of polypropylene, 15 parts of glass fiber, 15 parts of pyrrole ionic liquid, 5 parts of antibacterial filler and 1 part of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
Wherein, the acid treatment is to treat the active carbon by adopting hydrofluoric acid solution, and the mass fraction of hydrofluoric acid in the hydrofluoric acid solution is 85%.
The silver ion solution is a mixed solution of silver nitrate, hexametaphosphate and water, wherein the parts by weight of the silver nitrate, the hexametaphosphate and the water are 4 parts, 3 parts and 20 parts respectively.
The auxiliary agent is an anti-aging agent.
A preparation method of an antibacterial polypropylene material comprises the following steps: placing the glass fiber in a silver ion solution for ultrasonic soaking, filtering and drying to obtain the glass fiber, placing the glass fiber in an ionic liquid, adding polypropylene, stirring and mixing, adding an antibacterial filler and an auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
Example 3
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 116 parts of polypropylene, 12 parts of glass fiber, 11 parts of pyrrole ionic liquid, 4 parts of antibacterial filler and 3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
Wherein, the acid treatment is to treat the active carbon by adopting hydrofluoric acid solution, and the mass fraction of hydrofluoric acid in the hydrofluoric acid solution is 88%.
The silver ion solution is a mixed solution of silver nitrate, hexametaphosphate and water, wherein the weight parts of the silver nitrate, the hexametaphosphate and the water are 3 parts, 4 parts and 16 parts respectively.
The assistant is 1 part of zinc stearate, 1 part of silane coupling agent and 1 part of anti-aging agent.
A preparation method of an antibacterial polypropylene material comprises the following steps: placing the glass fiber in a silver ion solution for ultrasonic soaking, filtering and drying to obtain the glass fiber, placing the glass fiber in an ionic liquid, adding polypropylene, stirring and mixing, adding an antibacterial filler and an auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
Comparative example 1
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 116 parts of polypropylene, 12 parts of glass fiber, 11 parts of pyrrole ionic liquid, 4 parts of activated carbon and 3 parts of auxiliary agent. The rest is the same as in example 3.
Comparative example 2
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 116 parts of polypropylene, 12 parts of glass fiber, 4 parts of antibacterial filler and 3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler. The rest is the same as in example 3.
Comparative example 3
An antibacterial polypropylene material comprises the following raw materials in parts by weight: 116 parts of polypropylene, 12 parts of glass fiber, 11 parts of pyrrole ionic liquid, 4 parts of antibacterial filler and 3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
A preparation method of an antibacterial polypropylene material comprises the following steps: and (2) placing the glass fiber in ionic liquid, adding polypropylene, stirring and mixing, adding the antibacterial filler and the auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
The rest is the same as in example 3.
The plastic particles in the examples and comparative examples were subjected to performance tests, and the specific results are shown in table 1.
TABLE 1 Plastic particle Performance test results
| Example 1 | Example 1 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Tensile strength MPa | 48.6 | 47.5 | 46.8 | 46.8 | 30.1 | 46.8 |
| Bending strength MPa | 53.1 | 55.2 | 54.8 | 54.8 | 41.2 | 54.8 |
| Impact strength kJ/m 2 | 43.1 | 42.2 | 42.9 | 42.9 | 32.7 | 42.9 |
| The sterilization rate of Staphylococcus aureus% | 99.8 | 99.9 | 99.9 | 30.3 | 99.9 | 90.5 |
| The bactericidal rate of Escherichia coli% | 99.6 | 99.8 | 99.8 | 35.7 | 99.8 | 92.3 |
| Degree of killing by Candida albicans | 99.8 | 99.9 | 99.8 | 32.1 | 99.9 | 91.8 |
| The bactericidal rate of streptococcus pneumoniae% | 99.8 | 99.9 | 99.9 | 36.9 | 99.9 | 91.4 |
Through table 1, compared with comparative example 1, the activated carbon adopted in examples 1, 2 and 3 has improved antibacterial performance of the polypropylene material through antibacterial treatment; compared with the comparative example 2, the examples 1, 2 and 3 adopt the pyrrole ionic liquid, so that the compatibility of polypropylene and glass fiber is improved, and the overall strength of the polypropylene material is improved; compared with the comparative example 3, the antibacterial performance of the whole polypropylene material is improved by soaking the glass fiber in the silver ion solution in the processing of the examples 1, 2 and 3.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (7)
1. An antibacterial polypropylene material is characterized by comprising the following raw materials in parts by weight: 100-120 parts of polypropylene, 10-15 parts of glass fiber, 10-15 parts of ionic liquid, 2-5 parts of antibacterial filler and 1-3 parts of auxiliary agent; the antibacterial filler is obtained by the following steps: and (3) carrying out acid treatment on the activated carbon, cleaning, placing the activated carbon in a silver ion solution for ultrasonic soaking, and filtering to obtain the antibacterial filler.
2. The antimicrobial polypropylene material of claim 1, wherein the acid treatment is a hydrofluoric acid solution treatment of the activated carbon.
3. The antimicrobial polypropylene material of claim 2, wherein the hydrofluoric acid solution comprises 85-90% by weight hydrofluoric acid.
4. The antibacterial polypropylene material as claimed in claim 1, wherein the silver ion solution is a mixed solution of silver nitrate, hexametaphosphate and water, and the weight parts of the silver nitrate, the hexametaphosphate and the water are 2-4 parts, 3-5 parts and 15-20 parts respectively.
5. The antimicrobial polypropylene material of claim 1, wherein the ionic liquid is an azole ionic liquid.
6. The antibacterial polypropylene material of claim 1, wherein the auxiliary agent is one or more of a dispersant, a coupling agent or an anti-aging agent.
7. The process for preparing an antimicrobial polypropylene material according to any one of claims 1 to 6, comprising the steps of: placing the glass fiber in a silver ion solution for ultrasonic soaking, filtering and drying to obtain the glass fiber, placing the glass fiber in an ionic liquid, adding polypropylene, stirring and mixing, adding an antibacterial filler and an auxiliary agent, fully mixing, adding into a double-screw extruder, and carrying out melting, extrusion, grain cutting and drying to obtain the antibacterial polypropylene material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210464348.0A CN114806013A (en) | 2022-04-29 | 2022-04-29 | Antibacterial polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210464348.0A CN114806013A (en) | 2022-04-29 | 2022-04-29 | Antibacterial polypropylene material and preparation method thereof |
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| CN114806013A true CN114806013A (en) | 2022-07-29 |
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| CN202210464348.0A Pending CN114806013A (en) | 2022-04-29 | 2022-04-29 | Antibacterial polypropylene material and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448506A (en) * | 2014-12-31 | 2015-03-25 | 绍兴佳华高分子材料股份有限公司 | Lasting and effective antistatic polyolefin composite material and preparation method thereof |
| CN106046551A (en) * | 2016-07-19 | 2016-10-26 | 武汉金发科技有限公司 | Glass fiber reinforced polypropylene composition and preparation method thereof |
| CN106604959A (en) * | 2014-08-29 | 2017-04-26 | 国立大学法人金泽大学 | Polyolefin resin composition, molding, and polyolefin resin film |
| CN113512254A (en) * | 2021-07-16 | 2021-10-19 | 中广核俊尔(浙江)新材料有限公司 | Conductive antibacterial long glass fiber reinforced polypropylene composite material and preparation method and application thereof |
| CN113667218A (en) * | 2021-09-03 | 2021-11-19 | 苏州润佳工程塑料股份有限公司 | Spraying-free polypropylene material and preparation method thereof |
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2022
- 2022-04-29 CN CN202210464348.0A patent/CN114806013A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604959A (en) * | 2014-08-29 | 2017-04-26 | 国立大学法人金泽大学 | Polyolefin resin composition, molding, and polyolefin resin film |
| CN104448506A (en) * | 2014-12-31 | 2015-03-25 | 绍兴佳华高分子材料股份有限公司 | Lasting and effective antistatic polyolefin composite material and preparation method thereof |
| CN106046551A (en) * | 2016-07-19 | 2016-10-26 | 武汉金发科技有限公司 | Glass fiber reinforced polypropylene composition and preparation method thereof |
| CN113512254A (en) * | 2021-07-16 | 2021-10-19 | 中广核俊尔(浙江)新材料有限公司 | Conductive antibacterial long glass fiber reinforced polypropylene composite material and preparation method and application thereof |
| CN113667218A (en) * | 2021-09-03 | 2021-11-19 | 苏州润佳工程塑料股份有限公司 | Spraying-free polypropylene material and preparation method thereof |
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| 何叶丽;: "离子液体在纤维制备中的应用", 印染 * |
| 程凌燕;刘崴崴;张玉梅;王华平;: "离子液体在聚合物材料加工中的应用", 材料导报 * |
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