CN115011028A - Preparation method of high-performance antibacterial polypropylene composite material - Google Patents
Preparation method of high-performance antibacterial polypropylene composite material Download PDFInfo
- Publication number
- CN115011028A CN115011028A CN202210548347.4A CN202210548347A CN115011028A CN 115011028 A CN115011028 A CN 115011028A CN 202210548347 A CN202210548347 A CN 202210548347A CN 115011028 A CN115011028 A CN 115011028A
- Authority
- CN
- China
- Prior art keywords
- mass
- titanium dioxide
- nano titanium
- parts
- antibacterial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Abstract
The invention relates to a polypropylene modified material, in particular to a preparation method of a high-performance antibacterial polypropylene composite material. The invention provides a preparation method of a high-performance antibacterial polypropylene composite material, which comprises the following steps of extruding 45-95 parts by mass of polypropylene (PP) resin, 0-15 parts by mass of a toughening agent, 0-30 parts by mass of inorganic rigid particles, 1-5 parts by mass of an antibacterial agent and 0.2-0.4 part by mass of an antioxidant by a double-screw extruder at the process temperature of 180-230 ℃ for granulation, wherein the antibacterial agent is nano titanium dioxide. The invention overcomes the problem of color change of the silver antibacterial agent by adding the nano titanium dioxide, has high transparency, good weather resistance, no toxicity and low cost, has good antibacterial effect on most common microorganisms such as escherichia coli, staphylococcus aureus and aspergillus niger, and can effectively reduce the bacterial nutrition for a long time.
Description
Technical Field
The invention relates to a polypropylene modified material, in particular to a preparation method of a high-performance antibacterial polypropylene composite material.
Background
With the rapid development of the automobile industry, the requirements of consumers on the comfort of automobiles are higher and higher, and very high requirements are provided on the performances of automobile, such as smell, scratch, flame retardance, environmental protection and the like. Generally, bacteria can be easily bred in plastic products at proper temperature and humidity, people can be easily invaded by the bacteria when frequently contacting the plastic products, so that the preparation of antibacterial plastics is necessary, the health is more and more concerned along with the improvement of the living taste of consumers, the antibacterial property requirements are provided for parts frequently contacted with door panels, handles, instrument panels, seat armguards, steering wheels and the like, and the plastic automotive interior parts cannot effectively kill viruses and bacteria attached to the surfaces and harm the health of people due to the fact that the traditional sterilization means of high-temperature sterilization cannot be adopted by the characteristics of the plastic automotive interior parts.
The existing polypropylene antibacterial material is mostly prepared by adding silver antibacterial agent into the system to enhance the antibacterial performance of the polypropylene composite material, for example, Chinese patent CN200710074856.3 (an antibacterial polypropylene material and a preparation method thereof) discloses an antibacterial polypropylene material, which comprises the following components in percentage by weight: 100 parts of polypropylene resin; 25-35 parts of a filler; 5-15 parts of a toughening agent; 0.2-0.8 part of nano silver and organic silicon composite antibacterial agent; 0.5-1.5 parts of a dispersing agent; 0.1-0.5 part of antioxidant; 0.1-0.5 part of ultraviolet absorbent.
However, silver-based antibacterial agents themselves have a problem of discoloration, and the products gradually discolor during use, thereby losing their original colors.
Disclosure of Invention
1. The technical problem to be solved is as follows:
the existing polypropylene antibacterial material is mainly characterized in that silver antibacterial agents are added into a system to enhance the antibacterial performance of a polypropylene composite material, but the silver antibacterial agents have the problem of color change, and the product can slowly change color in the using process, so that the original color is lost.
2. The technical scheme is as follows:
in order to solve the problems, the invention provides a preparation method of a high-performance antibacterial polypropylene composite material, which comprises the following steps of extruding and granulating 45-95 parts by mass of polypropylene (PP) resin, 0-15 parts by mass of a toughening agent, 0-30 parts by mass of inorganic rigid particles, 1-5 parts by mass of an antibacterial agent and 0.2-0.4 part by mass of an antioxidant by a double-screw extruder at the process condition of 180-230 ℃ to prepare the high-performance antibacterial polypropylene composite material, wherein the antibacterial agent is nano titanium dioxide.
Preferably, the polypropylene used is one or a composite of homo-polypropylene and co-polypropylene.
Preferably, the toughening agent is one or a plurality of POE elastomer, SBS elastomer and EPDM ternary rubber.
Preferably, the inorganic rigid particles are one or more than 2 compounds of talcum powder, mica, wollastonite, calcium carbonate, glass beads and glass fibers.
Preferably, the antibacterial agent nano titanium dioxide is pretreated by a coupling agent.
Preferably, the coupling agent is one of a silane coupling agent and a titanate coupling agent.
Preferably, the method for pretreating the nano titanium dioxide by the coupling agent specifically comprises the following steps: stirring and mixing the coupling agent and the dried nano titanium dioxide in a reaction medium; cleaning the treated nano titanium dioxide by using a cleaning agent; drying the cleaned nano titanium dioxide, wherein the dosage of the coupling agent is 1-5% of the weight of the nano titanium dioxide.
Preferably, the reaction medium is a mixed solution of absolute ethyl alcohol and deionized water.
Preferably, the cleaning agent is one or a mixture of absolute ethyl alcohol and isopropyl ketone.
Preferably, the dosage of the coupling agent is 1 to 4 percent of the weight of the nano titanium dioxide.
3. Has the advantages that:
the invention overcomes the problem of color change of the silver antibacterial agent by adding the nano titanium dioxide, has high transparency, good weather resistance, no toxicity and low cost, has good antibacterial effect on most common microorganisms such as escherichia coli, staphylococcus aureus and aspergillus niger, and can effectively reduce the bacterial nutrition for a long time.
Detailed Description
The present invention will be described in detail below with reference to examples.
In the following implementation, the polypropylene is PP9927 produced by Yanshan petrochemical; the inorganic rigid particles are talcum powder produced by Aihai talcum Co Ltd in sea city of Liaoning province; the nanometer titanium dioxide is produced by Germany Langshen group; silane coupling agent, KH-550 manufactured by Chengdu silicon science and technology Co., Ltd; the toughening agent is POE8999 produced by Dow chemical; the antioxidant is 1010 produced by Nicotiana tabacum Xinxiu chemical products company; flame retardant properties were tested according to UL94 standard and flexural properties according to GB/T9341-2000, impact properties according to GB/T1843-1996, melt flow rate according to GB/T3682-2000.
The process for pretreating the nano titanium dioxide by the coupling agent comprises the following steps: stirring a silane coupling agent KH-550 and the fully dried nano titanium dioxide in a mixed solution of absolute ethyl alcohol and deionized water; washing the nano titanium dioxide with absolute ethyl alcohol to carry out silane coupling agent KH-550 with unhydrolyzed surface or self-crosslinking surface; drying treatment is carried out in a drying oven with the constant temperature of 60 ℃.
Pretreatment of nano titanium dioxide 1: the weight of the silane coupling agent is 3 percent of that of the nano titanium dioxide.
Pretreatment of nano titanium dioxide 2: the weight of the silane coupling agent is 1 percent of that of the nano titanium dioxide.
Pretreatment of nano titanium dioxide 3: the weight of the silane coupling agent is 4 percent of that of the nano titanium dioxide.
The neutral reaction environment provided by the mixed solution of anhydrous ethanol and deionized water or acetone serving as a reaction medium for pretreating the nano titanium dioxide by the coupling agent can inhibit the self-polymerization reaction of the coupling agent and improve the dispersibility of the nano titanium dioxide in the polypropylene composite material.
Example 1
Mixing 70 parts by mass of PP resin, 10 parts by mass of POE elastomer, 20 parts by mass of talcum powder, 1 part by mass of pretreated nano titanium dioxide and 0.4 part by mass of antioxidant in a high-speed mixer at 80-90 ℃ for 5 minutes, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in table 1.
Example 2
Mixing 70 parts by mass of PP resin, 10 parts by mass of SBS elastomer, 15 parts by mass of mica, 2 parts by mass of pretreated nano titanium dioxide 1 and 0.2 part by mass of antioxidant in a high-speed mixer for 5 minutes at 80-90 ℃, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: the first interval is 185 ℃, the second interval is 190 ℃, the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval are 195 ℃ and the ninth interval is 190 ℃, and the finished product is prepared by extrusion granulation.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in table 1.
Example 3
Mixing 45 parts by mass of PP resin, 15 parts by mass of EPDM ternary rubber, 30 parts by mass of wollastonite, 3 parts by mass of pretreated nano titanium dioxide 1 and 0.2 part by mass of antioxidant in a high-speed mixer at 80-90 ℃ for 5 minutes, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in table 1.
Example 4
Mixing 50 parts by mass of PP resin, 8 parts by mass of a mixture of POE elastomer and SBS elastomer, 25 parts by mass of calcium carbonate, 3 parts by mass of pretreated nano titanium dioxide 2 and 0.3 part by mass of antioxidant in a high-speed mixer for 5 minutes at 80-90 ℃, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in Table 2.
Example 5
Mixing 80 parts by mass of PP resin, 10 parts by mass of glass bead and glass fiber compound, 3 parts by mass of pretreated nano titanium dioxide and 0.4 part by mass of antioxidant in a high-speed mixer at 80-90 ℃ for 5 minutes, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in Table 2.
Example 6
Mixing 95 parts by mass of PP resin, 2 parts by mass of a mixture of SBS elastomer and EPDM ternary rubber, 3 parts by mass of pretreated nano titanium dioxide and 0.3 part by mass of antioxidant in a high-speed mixer at 80-90 ℃ for 5 minutes, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in Table 2.
Comparative example
Mixing 70 parts by mass of PP resin, 10 parts by mass of toughening agent, 20 parts by mass of talcum powder and 0.3 part by mass of antioxidant in a high-speed mixer at 80-90 ℃ for 5 minutes, and then extruding and granulating on a double-screw extruder, wherein the temperature of the extruder is as follows: extruding and granulating at 185 deg.C for the first interval, 190 deg.C for the second interval and the third interval, 195 deg.C for the fourth interval, the fifth interval, the sixth interval, the seventh interval and the eighth interval, and 190 deg.C for the ninth interval to obtain the final product.
The high-performance antibacterial polypropylene composite material is prepared by the process, and the performance of the composite material is shown in tables 1 and 2.
Table 1: performance data one.
The balance of antibacterial performance and physical performance of the composite material is mainly considered, and the higher the percentage of the staphylococcus aureus and the escherichia coli is, the more excellent the antibacterial performance is. As can be seen from Table 1, the nano titanium dioxide treated by adding the coupling agent into the polypropylene composite system has good bactericidal effect and physical properties, the bactericidal effect of the examples 1, 2 and 3 is more than 88%, and the notch impact strength and the flexural modulus are superior to those of the comparative example; with the increase of the addition amount of the nano titanium dioxide, the sterilization effect is gradually enhanced, the notch impact strength and the flexural modulus are gradually increased, but the enhancement amplitude is gradually reduced.
Table 2: and performance data II.
From table 2, it can be seen that under the condition of constant addition of the nano titanium dioxide, the bactericidal effect, the notch impact strength and the flexural modulus are all enhanced and then weakened with the increase of the coupling agent, and the comprehensive effect is the best when the addition of the coupling agent is 3%.
The antibacterial polypropylene material prepared by the invention has strong antibacterial capability, excellent mechanical property, no toxicity and no pollution to the environment, and can be widely used in the fields of automobiles, electronic appliances, food packaging and the like.
Claims (10)
1. A preparation method of a high-performance antibacterial polypropylene composite material is characterized by comprising the following steps: 45-95 parts by mass of polypropylene (PP) resin, 0-15 parts by mass of a toughening agent, 0-30 parts by mass of inorganic rigid particles, 1-5 parts by mass of an antibacterial agent and 0.2-0.4 part by mass of an antioxidant, and carrying out extrusion granulation by a double-screw extruder under the process condition of 180-230 ℃ to prepare the high-performance antibacterial polypropylene composite material, wherein the antibacterial agent is nano titanium dioxide.
2. The method of claim 1, wherein: the polypropylene used is one or a compound of homo-polypropylene and co-polypropylene.
3. The method of claim 1, wherein: the toughening agent is one or a plurality of POE elastomer, SBS elastomer and EPDM ternary rubber.
4. The method of claim 1, wherein: the inorganic rigid particles are one or more than 2 compounds of talcum powder, mica, wollastonite, calcium carbonate, glass beads and glass fibers.
5. The method of any one of claims 1 to 5, wherein: and carrying out coupling agent pretreatment on the antibacterial agent nano titanium dioxide.
6. The method of claim 5, wherein; the coupling agent is one of silane coupling agent and titanate coupling agent.
7. The method of claim 5, wherein: the method for pretreating the nano titanium dioxide by the coupling agent comprises the following steps: stirring and mixing the coupling agent and the dried nano titanium dioxide in a reaction medium; cleaning the treated nano titanium dioxide by using a cleaning agent; drying the cleaned nano titanium dioxide, wherein the dosage of the coupling agent is 0.25-5% of the weight of the nano titanium dioxide.
8. The method of claim 8, wherein: the reaction medium is a mixed solution of absolute ethyl alcohol and deionized water.
9. The method of claim 8, wherein: the cleaning agent is one or a mixture of anhydrous ethanol and isopropyl ketone.
10. The method of claim 8, wherein: the dosage of the coupling agent is preferably 1 to 4 percent of the weight of the nano titanium dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548347.4A CN115011028A (en) | 2022-05-20 | 2022-05-20 | Preparation method of high-performance antibacterial polypropylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548347.4A CN115011028A (en) | 2022-05-20 | 2022-05-20 | Preparation method of high-performance antibacterial polypropylene composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115011028A true CN115011028A (en) | 2022-09-06 |
Family
ID=83068698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210548347.4A Pending CN115011028A (en) | 2022-05-20 | 2022-05-20 | Preparation method of high-performance antibacterial polypropylene composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115011028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117511056A (en) * | 2023-11-07 | 2024-02-06 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
| CN117511056B (en) * | 2023-11-07 | 2024-05-14 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040084253A (en) * | 2003-03-27 | 2004-10-06 | 삼성아토피나주식회사 | Anti-bacterial Polypropylene Resin Composition |
| CN102558676A (en) * | 2011-12-21 | 2012-07-11 | 上海普利特复合材料股份有限公司 | Highly-antibacterial polypropylene composite material and preparation method thereof |
| CN103965544A (en) * | 2013-01-25 | 2014-08-06 | 上海杰事杰新材料(集团)股份有限公司 | High strength antibacterial polypropylene composite material and preparation method thereof |
| CN106674754A (en) * | 2016-12-29 | 2017-05-17 | 上海普利特复合材料股份有限公司 | Halogen-free flame-retardant high-heat-resistance antibacterial polypropylene composite material and preparation method thereof |
-
2022
- 2022-05-20 CN CN202210548347.4A patent/CN115011028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040084253A (en) * | 2003-03-27 | 2004-10-06 | 삼성아토피나주식회사 | Anti-bacterial Polypropylene Resin Composition |
| CN102558676A (en) * | 2011-12-21 | 2012-07-11 | 上海普利特复合材料股份有限公司 | Highly-antibacterial polypropylene composite material and preparation method thereof |
| CN103965544A (en) * | 2013-01-25 | 2014-08-06 | 上海杰事杰新材料(集团)股份有限公司 | High strength antibacterial polypropylene composite material and preparation method thereof |
| CN106674754A (en) * | 2016-12-29 | 2017-05-17 | 上海普利特复合材料股份有限公司 | Halogen-free flame-retardant high-heat-resistance antibacterial polypropylene composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117511056A (en) * | 2023-11-07 | 2024-02-06 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
| CN117511056B (en) * | 2023-11-07 | 2024-05-14 | 贵州省纳米材料工程中心 | Polypropylene antibacterial material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105330962A (en) | Preparation method of super-tough antibacterial masterbatch with high concentration | |
| CN109082007A (en) | A kind of high-strength antibiotic polypropylene plastic and preparation method | |
| CN108602712B (en) | Colorless materials with improved antimicrobial properties | |
| CN112812409A (en) | Antibacterial, antiviral and mildewproof master batch, antibacterial, antiviral and mildewproof food packaging material and preparation method thereof | |
| CN111825920B (en) | Stress whitening-resistant antibacterial polypropylene composition and preparation method thereof | |
| CN112724579A (en) | Antibacterial low-odor polypropylene composite material for automotive interior and preparation method thereof | |
| KR20110014001A (en) | Antibacterial and antifungal plastic, its product and its manufacturing method | |
| CN105524444A (en) | High-hardness polycarbonate antibacterial composite material | |
| CN115011028A (en) | Preparation method of high-performance antibacterial polypropylene composite material | |
| CN104479224A (en) | Anti-abrasive material for automobiles | |
| CN111019222A (en) | Environment-friendly degradable plastic and preparation method thereof | |
| CN113174127B (en) | PC/ABS alloy with high shading, high weather resistance, screw column slippage prevention and excellent antibacterial effect and preparation method thereof | |
| CN110713677A (en) | PVC modified material for antibacterial, mildewproof and anti-UV elastic floor adhesive and preparation method thereof | |
| CN105131336A (en) | Antibacterial agent, preparation method and application thereof | |
| KR100482298B1 (en) | Antimicrobial Zeolite Composition and Antibacterial Resin Containing it | |
| CN102558747A (en) | Acrylonitrile-butadiene-styrene (ABS) material with excellent antibacterial performance and preparation method thereof | |
| CN107245214B (en) | High-efficiency anti-mildew AES resin composition and preparation method thereof | |
| CN112175301B (en) | Special antibacterial polypropylene material for washing machine and preparation method thereof | |
| CN115011031A (en) | Preparation method of antibacterial polypropylene interior material for automobile | |
| CN116444935A (en) | Antibacterial composite ABS resin and preparation method thereof | |
| KR101182882B1 (en) | Thermoplastic resin composition having excellent antibacterial property | |
| KR100478494B1 (en) | Master batch containing silver colloid | |
| KR20050112064A (en) | Method for produce of rubber gloves contain nano silver | |
| CN110183814A (en) | A kind of anti-pollution water repellent master batch and preparation method thereof | |
| JP3874860B2 (en) | Antibacterial resin molding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |