CN114031848B - Polypropylene composite material for mask - Google Patents
Polypropylene composite material for mask Download PDFInfo
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- CN114031848B CN114031848B CN202111352517.3A CN202111352517A CN114031848B CN 114031848 B CN114031848 B CN 114031848B CN 202111352517 A CN202111352517 A CN 202111352517A CN 114031848 B CN114031848 B CN 114031848B
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0058—Biocides
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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
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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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
- C08K3/18—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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cosmetics (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention relates to the technical field of mask material preparation, and particularly discloses a polypropylene composite material for a mask. The polypropylene composite material for the mask comprises the following components in parts by weight: 80-120 parts of polypropylene; 0.1 to 1 part of composite antibacterial agent; 0.5-1 part of dispersing agent; the composite antibacterial agent comprises nano titanium dioxide, peppermint oil and lemon essential oil. The polypropylene composite material for the mask has the antibacterial effect and the refreshing effect by adding the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil.
Description
Technical Field
The invention relates to the technical field of mask material preparation, in particular to a polypropylene composite material for a mask.
Background
Polypropylene is a polymer obtained by addition polymerization of propylene, and is a white wax-like material, transparent and light in appearance. It can resist corrosion of acid, alkali, salt solution and various organic solvents at the temperature below 80 ℃; is widely applied to the production of fiber products such as clothing, blanket, medical appliances, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and can also be used for the packaging of foods and medicines.
The non-woven mask has the following components: (1) The surface is made of pure cotton absorbent gauze or knitted fabric, and a non-woven fabric mask with various non-woven fabrics clamped in the middle is provided; (2) a non-woven mask directly sewn by non-woven fabrics; (3) The surface and the back are non-woven fabrics material, the middle is the non-woven fabrics gauze mask of filter paper, and this kind of structure can make non-woven fabrics gauze mask filtration effect better.
Polypropylene is a material for preparing non-woven fabrics; however, the existing polypropylene for preparing the mask has no antibacterial effect; therefore, the polypropylene composite material for the mask with the antibacterial effect has important application value.
Disclosure of Invention
In order to overcome at least one technical problem existing in the prior art, the invention provides a polypropylene composite material for a mask.
The technical scheme of the invention is as follows:
a polypropylene composite material for a mask comprises the following components in parts by weight:
80-120 parts of polypropylene; 0.1 to 1 part of composite antibacterial agent; 0.5-1 part of dispersing agent;
the composite antibacterial agent comprises nano titanium dioxide, peppermint oil and lemon essential oil.
According to the invention, the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil is added, so that the prepared polypropylene composite material for the mask has an antibacterial effect; in addition, the peppermint oil and the lemon essential oil also have the effect of improving the refreshment; therefore, the mask prepared from the polypropylene composite material for the mask can play a role in promoting refreshment.
Preferably, the polypropylene composite material for the mask comprises the following components in parts by weight:
90-110 parts of polypropylene; 0.3 to 0.6 portion of composite antibacterial agent; 0.5 to 1 part of dispersing agent.
Most preferably, the polypropylene composite material for the mask comprises the following components in parts by weight:
100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 part of dispersing agent.
Preferably, the weight ratio of the titanium dioxide, the peppermint oil and the lemon essential oil in the composite antibacterial agent is 7-10:1-2:1-2.
Most preferably, the weight ratio of the titanium dioxide, the peppermint oil and the lemon essential oil in the composite antibacterial agent is 8:1:1.
Preferably, the dispersing agent is prepared by the following method:
adding lauric acid monoglyceride and maleic acid into an organic solvent, adding a catalyst, uniformly mixing, performing heating reflux reaction, concentrating, removing the organic solvent, and dispersing.
The inventors found in the study that the dispersant plays an important role in whether the complex antibacterial agent can exert an excellent antibacterial effect. The conventional dispersing agent can not well disperse the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene, so that the composite antibacterial agent can not exert excellent antibacterial effect in the polypropylene; in order to improve the excellent antibacterial effect of the composite antibacterial agent comprising nano titanium dioxide, peppermint oil and lemon essential oil dispersed in polypropylene, a great amount of experiments show that the antibacterial effect of polypropylene can be greatly improved by adopting the dispersing agent prepared by reacting lauric acid monoglyceride with maleic acid compared with the conventional dispersing agent.
Further preferably, the dosage ratio of lauric acid monoglyceride, maleic acid, catalyst and organic solvent is 250 to 300g:100 to 130g:1 to 3g:800 to 1500mL.
Most preferably, the amount of monolaurin, maleic acid, catalyst and organic solvent is at a ratio of 274g:116g:2g:1000mL.
Preferably, the catalyst is p-toluenesulfonic acid, and the organic solvent is acetone.
Preferably, the heating reflux reaction time is 12 to 24 hours.
The beneficial effects are that: the invention provides a brand new polypropylene composite material for a mask, which is prepared by adding a composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil, and has the antibacterial effect and the refreshing effect; furthermore, the invention also adopts a novel dispersant prepared by the method, and compared with the conventional dispersant, the dispersant can greatly improve the antibacterial effect of the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene.
Detailed Description
The present invention is further explained below with reference to examples, which are not intended to limit the present invention in any way.
In the following examples, polypropylene was used under the brand 91500 from Shanghai Jinfa. The remaining raw materials of unspecified origin are all conventional raw materials which can be purchased by a person skilled in the art by conventional means.
Example 1 Polypropylene composite Material for mask
The raw materials comprise the following components in parts by weight: 100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 8:1:1;
the dispersing agent is prepared by the following method: 274g of lauric acid monoglyceride and 116g of maleic acid are added into 1000mL of acetone, then 2g of p-toluenesulfonic acid is added and mixed uniformly, then the mixture is heated and refluxed for 16h, and the mixture is concentrated to remove the acetone, and then the mixture is dispersed.
The preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Example 2 Polypropylene composite Material for mask
The raw materials comprise the following components in parts by weight: 80 parts of polypropylene; 0.2 parts of composite antibacterial agent; 1 part of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 7:1:2;
the dispersing agent is prepared by the following method: 274g of lauric acid monoglyceride and 116g of maleic acid are added into 1000mL of acetone, then 2g of p-toluenesulfonic acid is added and mixed uniformly, then the mixture is heated and refluxed for 24 hours, and the mixture is concentrated to remove the acetone, and then the mixture is dispersed.
The preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Example 3 Polypropylene composite Material for mask
The raw materials comprise the following components in parts by weight: 120 parts of polypropylene; 1 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 7:2:1;
the dispersing agent is prepared by the following method: 274g of lauric acid monoglyceride and 116g of maleic acid are added into 1000mL of acetone, then 2g of p-toluenesulfonic acid is added and mixed uniformly, then heating reflux reaction is carried out for 12h, and acetone is removed by concentration, and then the mixture is dispersed.
The preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Comparative example 1 Polypropylene composite for mask
The raw materials comprise the following components in parts by weight: 100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 8:1:1;
the dispersing agent is lauric acid monoglyceride;
the preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Comparative example 1 differs from example 1 in that comparative example 1 uses a conventional dispersant, lauric acid monoglyceride; whereas example 1 used a dispersant prepared by reacting a monolaurin with maleic acid.
Comparative example 2 Polypropylene composite for mask
The raw materials comprise the following components in parts by weight: 100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 8:1:1;
the dispersing agent is ethylene bis stearamide;
the preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Comparative example 2 differs from example 1 in that comparative example 2 uses the conventional dispersant ethylene bis stearamide; whereas example 1 used a dispersant prepared by reacting a monolaurin with maleic acid.
Comparative example 3 Polypropylene composite for mask
The raw materials comprise the following components in parts by weight: 100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 8:1:1;
the dispersing agent is prepared by the following method: 274g of lauric acid monoglyceride and 116g of fumaric acid are added into 1000mL of acetone, 2g of p-toluenesulfonic acid is added and mixed uniformly, then the mixture is heated and refluxed for 16h, and the mixture is concentrated to remove the acetone, and then the mixture is dispersed.
The preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Comparative example 3 differs from example 1 in that the dispersant of comparative example 3 is different in the preparation raw material; comparative example 3 used a dispersant prepared by reacting a monolaurin with fumaric acid; whereas example 1 used a dispersant prepared by reacting a monolaurin with maleic acid.
Comparative example 4 Polypropylene composite Material for mask
The raw materials comprise the following components in parts by weight: 100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 parts of dispersing agent;
the composite antibacterial agent is prepared by mixing titanium dioxide, peppermint oil and lemon essential oil according to a weight ratio of 8:1:1;
the dispersing agent is prepared by the following method: 274g of lauric acid monoglyceride and 280g of linoleic acid are added into 1000mL of acetone, then 2g of p-toluenesulfonic acid is added and mixed uniformly, then the mixture is heated and refluxed for 16h, and the mixture is concentrated to remove the acetone, and then the mixture is dispersed.
The preparation method of the polypropylene composite material for the mask comprises the following steps: firstly, uniformly mixing polypropylene, a composite antibacterial agent and a dispersing agent in a mixer; and then transferring the mixture into a double-screw extruder, and performing melt extrusion by the double-screw extruder to obtain the polypropylene composite material for the mask.
Comparative example 4 differs from example 1 in that the dispersant of comparative example 4 is different in the preparation raw material; comparative example 4 used a dispersant prepared by reacting a monolaurin with linoleic acid; whereas example 1 used a dispersant prepared by reacting a monolaurin with maleic acid.
Experimental example
The antibacterial ability of the polypropylene composite materials for mask prepared in examples 1 to 3 and comparative examples 1 to 4 was tested by referring to the antibacterial performance test method of QB/T2591-2003 antibacterial plastics, and the test results are shown in Table 1.
TABLE 1 antibacterial ability test of Polypropylene composite material for mask
As can be seen from the experimental data in Table 1, the polypropylene composite materials for mask prepared in examples 1 to 3 have an antibacterial ability with an antibacterial rate of 95% or more against Staphylococcus aureus and Escherichia coli; in particular, the polypropylene composite material for mask prepared in example 1 has a bacteriostasis rate of 99% or more for staphylococcus aureus and escherichia coli.
As can be seen from the experimental data in table 1, the polypropylene composite materials for mask prepared in comparative examples 1 and 2 have much smaller antibacterial rate against staphylococcus aureus and escherichia coli than example 1, which indicates that the conventional dispersant cannot make the composite antibacterial agent composed of nano titanium dioxide, peppermint oil and lemon essential oil exert excellent antibacterial effect in polypropylene; the dispersing agent prepared by the reaction of the lauric acid monoglyceride and the maleic acid can greatly improve the antibacterial capability of the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene; greatly improves the antibacterial effect of polypropylene.
As can be seen from the experimental data of table 1, the polypropylene composite materials for mask prepared in comparative examples 3 and 4 have much smaller antibacterial rate against staphylococcus aureus and escherichia coli than example 1, which indicates that the preparation raw materials of the dispersing agent play a decisive role in the excellent antibacterial effect of the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene; only the dispersant prepared by the reaction of lauric acid monoglyceride and maleic acid can greatly improve the antibacterial capability of the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene; the dispersant prepared by the reaction of lauric acid monoglyceride and other organic acids can not greatly improve the antibacterial capability of the composite antibacterial agent consisting of nano titanium dioxide, peppermint oil and lemon essential oil in polypropylene.
Claims (8)
1. The polypropylene composite material for the mask is characterized by comprising the following components in parts by weight:
80-120 parts of polypropylene; 0.1 to 1 part of composite antibacterial agent; 0.5-1 part of dispersing agent;
the composite antibacterial agent comprises nano titanium dioxide, peppermint oil and lemon essential oil;
the dispersing agent is prepared by the following method:
adding lauric acid monoglyceride and maleic acid into an organic solvent, adding a catalyst, uniformly mixing, performing heating reflux reaction, concentrating, removing the organic solvent, and dispersing;
the catalyst is p-toluenesulfonic acid, and the organic solvent is acetone.
2. The polypropylene composite for mask according to claim 1, comprising the following components in parts by weight:
90-110 parts of polypropylene; 0.3 to 0.6 portion of composite antibacterial agent; 0.5 to 1 part of dispersing agent.
3. The polypropylene composite for mask according to claim 1, comprising the following components in parts by weight:
100 parts of polypropylene; 0.5 part of composite antibacterial agent; 0.5 part of dispersing agent.
4. The polypropylene composite material for mask according to claim 1, wherein the weight ratio of titanium dioxide, peppermint oil and lemon essential oil in the composite antibacterial agent is 7-10:1-2:1-2.
5. The polypropylene composite material for mask according to claim 4, wherein the weight ratio of titanium dioxide, peppermint oil and lemon essential oil in the composite antibacterial agent is 8:1:1.
6. The polypropylene composite for mask according to claim 1, wherein the amount ratio of lauric acid monoglyceride, maleic acid, catalyst and organic solvent is 250 to 300 g/100 to 130 g/1 to 3 g/800 to 1500mL.
7. The polypropylene composite for mask according to claim 1, wherein the amount ratio of lauric acid monoglyceride, maleic acid, catalyst and organic solvent is 274g:116g:2g:1000ml.
8. The polypropylene composite for mask according to claim 1, wherein the heating reflux reaction time is 12 to 24 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352517.3A CN114031848B (en) | 2021-11-16 | 2021-11-16 | Polypropylene composite material for mask |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352517.3A CN114031848B (en) | 2021-11-16 | 2021-11-16 | Polypropylene composite material for mask |
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| CN114031848A CN114031848A (en) | 2022-02-11 |
| CN114031848B true CN114031848B (en) | 2023-06-30 |
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| CN115785563A (en) * | 2022-12-02 | 2023-03-14 | 会通新材料股份有限公司 | Antibacterial insect-repelling polypropylene material and preparation method thereof |
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|---|---|---|---|---|
| GB845274A (en) * | 1955-10-06 | 1960-08-17 | Gen Foods Corp | Improved gelatin composition |
| EP1407757A1 (en) * | 2002-10-09 | 2004-04-14 | Ciba SC Holding AG | Preparation of micronised UV absorbers |
| CN103059405A (en) * | 2013-01-06 | 2013-04-24 | 上海秋橙新材料科技有限公司 | Antibacterial polypropylene plastic |
| CN106544927A (en) * | 2016-11-23 | 2017-03-29 | 宁波弘泰包装新材料科技有限公司 | PaperTray and preparation method thereof |
| CN111329142A (en) * | 2020-02-25 | 2020-06-26 | 滕春根 | Antibacterial mask and manufacturing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112812402A (en) * | 2020-12-31 | 2021-05-18 | 浙江省农业科学院 | Anti-fog and anti-bacterial preservative film for fresh-cut fruits and vegetables and preparation method thereof |
| CN112921502A (en) * | 2021-01-22 | 2021-06-08 | 河南驼人医疗器械研究院有限公司 | Antibacterial and antiviral melt-blown fabric and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845274A (en) * | 1955-10-06 | 1960-08-17 | Gen Foods Corp | Improved gelatin composition |
| EP1407757A1 (en) * | 2002-10-09 | 2004-04-14 | Ciba SC Holding AG | Preparation of micronised UV absorbers |
| CN103059405A (en) * | 2013-01-06 | 2013-04-24 | 上海秋橙新材料科技有限公司 | Antibacterial polypropylene plastic |
| CN106544927A (en) * | 2016-11-23 | 2017-03-29 | 宁波弘泰包装新材料科技有限公司 | PaperTray and preparation method thereof |
| CN111329142A (en) * | 2020-02-25 | 2020-06-26 | 滕春根 | Antibacterial mask and manufacturing process thereof |
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