CN111206295B - Material special for sterilizing mask, sterilizing net, sterilizing mask and preparation method of sterilizing mask - Google Patents
Material special for sterilizing mask, sterilizing net, sterilizing mask and preparation method of sterilizing mask Download PDFInfo
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- CN111206295B CN111206295B CN202010080214.XA CN202010080214A CN111206295B CN 111206295 B CN111206295 B CN 111206295B CN 202010080214 A CN202010080214 A CN 202010080214A CN 111206295 B CN111206295 B CN 111206295B
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- mask
- sterilizing
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/26—Electrically protective, e.g. preventing static electricity or electric shock
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a special material for a sterilizing mask, a sterilizing net, the sterilizing mask and a preparation method thereof, wherein the sterilizing mask comprises the following components in parts by weight: 100 parts of ultra-high fluidity polypropylene copolymer, 0 to 0.2 part of lubricant, 0.01 to 0.3 part of antioxidant and 2 to 4 parts of inorganic antibacterial agent. The preparation method of the sterilizing net for the mask comprises the following steps: the sterilizing mask can be obtained by arranging a sterilizing net in the mask, has the function of blocking dust and spray of common masks, and can sterilize and disinfect bacteria and viruses permeated from the outer layer of the mask.
Description
Technical Field
The invention relates to the field of manufacturing of sanitary products, in particular to a material special for a mask, a mask net and a preparation method thereof.
Background
Along with the development of society, the health consciousness of people is continuously improved. In the past, people generally only wear masks in environments with large dust or in places with bacterial infection. Meanwhile, the mask has the function of simply blocking dust in the air and cannot block bacteria and viruses in the air. The virus can be transmitted in the air in the form of spray, and the prior art mask can block the spray, but cannot kill bacteria or viruses in the spray.
Disclosure of Invention
The invention aims to solve the problems and provide a special material for a sterilizing mask, which can not only block spray but also kill bacteria or viruses in the spray.
In order to achieve the above purpose, the material for the sterilizing mask provided by the invention comprises the following components in parts by weight: 100 parts of ultra-high fluidity polypropylene copolymer, 0 to 0.2 part of lubricant, 0.01 to 0.3 part of antioxidant and 2 to 4 parts of inorganic antibacterial agent.
Preferably, the ultra-high fluidity polypropylene copolymer has a melt flow rate of 1200-1500g/10min (230 ℃,2.16 kg), a molecular weight distribution of 3-5 (150 ℃), and an ash content of 100-150ppm (850 ℃).
Preferably, the lubricant is one or more of calcium stearate, zinc stearate or spin finish.
Preferably, the antioxidant is one or more of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1010), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168) or tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 1076).
Preferably, the inorganic antibacterial agent is one or more of silver, copper and zinc containing single metal ions or multi-component metal ions carried on the porous material. The sterilization mechanism is as follows: when a trace amount of metal ions contact the cell membrane of the microorganism, the metal ions are attracted due to the negative charge of the cell membrane, and the metal ions are firmly combined, so that the metal ions penetrate the cell membrane and chemically react with amino acids and the like which are responsible for the metabolism function, so that the metabolism function of the cell is disordered and cannot breathe until the cell dies, and sterilization is realized. Meanwhile, the inorganic antibacterial agent has the advantages of large specific surface area, good adsorption performance, stable chemical property and lasting slow release performance.
The invention also provides a sterilizing net for the mask, which is made of the special material for the sterilizing mask.
The invention also provides a preparation method of the sterilizing net for the mask, which comprises the following steps:
the master batch processing step comprises the following steps: stirring the preparation material of the special material for the sterilizing mask for 10-15 minutes at a low speed, extruding the stirred mixture by a double-screw extruder, and granulating under water to form master batch particles, wherein the extruding temperature of the double-screw extruder is about 200-220 ℃;
the preparation process of the melt-blown non-woven fabric comprises the following steps: the master batch particles are prepared through a melt-blown non-woven fabric production process flow, namely melt preparation, filtering, metering, melt extrusion from a spinneret orifice, melt trickle drawing and cooling, and net forming.
The invention also provides a sterilizing mask, wherein the sterilizing mask is internally provided with the sterilizing net for the mask.
Preferably, the sterilizing mask is subjected to electrostatic treatment by electrostatic equipment.
Preferably, the sterilizing mesh for the mask is arranged in the mask interlayer.
Compared with the prior art, the invention has the following beneficial technical effects:
the material for the sterilizing mask adopts 100 parts of ultra-high fluidity polypropylene copolymer, 0 to 0.2 part of lubricant and 0.01 to 0.3 part of antioxidant, and is processed into functional master batch, and then a sterilizing net with sterilizing function is prepared by a non-woven fabric process by a melt-blowing method, and the sterilizing net is arranged in the mask to obtain the sterilizing mask, and the sterilizing mask not only has the common mask for blocking dust and oxygen
The spray functions, and can sterilize and disinfect bacteria and viruses penetrating from the outer layer of the mask.
In addition, the ultra-high fluidity polypropylene copolymer, the lubricant, the antioxidant and the inorganic antibacterial agent adopted by the invention are all environment-friendly materials, are nontoxic and harmless to human bodies, and are safe and reliable to use.
Detailed Description
In order to describe the technical content, formulation proportion, and achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments.
The invention provides a material for a sterilizing mask, which comprises the following components in parts by weight: 100 parts of ultra-high fluidity polypropylene copolymer, 0 to 0.2 part of lubricant, 0.01 to 0.3 part of antioxidant and 2 to 4 parts of inorganic antibacterial agent.
Preferably, the ultra-high fluidity polypropylene copolymer has a melt flow rate of 1200-1500g/10min (230 ℃,2.16 kg), a molecular weight distribution of 3-5 (150 ℃), and an ash content of 100-150ppm (850 ℃).
It can be appreciated that the ultra-high fluidity polypropylene copolymer adopts ISO 1133 detection standard, and the melt flow rate of the ultra-high fluidity polypropylene copolymer is 1200-1500g/10min under the test condition of 230 ℃ and 2.16 kg; the ultra-high fluidity polypropylene copolymer adopts GPC detection standard, and the molecular weight distribution of the ultra-high fluidity polypropylene copolymer is 3-5 under the test condition of 150 ℃; the ultra-high fluidity polypropylene copolymer adopts ISO 3451 detection standard, and the ash content of the ultra-high fluidity polypropylene copolymer is 100-150ppm under the test condition of 850 ℃.
Preferably, the lubricant is one or more of calcium stearate, zinc stearate or spin finish.
Preferably, the antioxidant is one or more of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1010), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168) or tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 1076).
Preferably, the inorganic antibacterial agent is silver, copper and zinc containing single metal ion or multicomponent metal ion carried on multiple parts
One or more inorganic antimicrobial agents on the porous material.
The invention also provides a sterilizing net for the mask, which is made of the special material for the sterilizing mask.
The invention also provides a preparation method of the sterilizing net for the mask, which comprises the following steps:
the master batch processing step comprises the following steps: stirring the preparation material of the special material for the sterilizing mask for 10-15 minutes at a low speed, extruding the stirred mixture by a double-screw extruder, and granulating under water to form master batch particles, wherein the extruding temperature of the double-screw extruder is about 200-220 ℃;
the preparation process of the melt-blown non-woven fabric comprises the following steps: the master batch particles are prepared through a melt-blown non-woven fabric production process flow, namely melt preparation, filtering, metering, melt extrusion from a spinneret orifice, melt trickle drawing and cooling, and net forming.
The invention also provides a sterilizing mask, wherein the sterilizing mask is internally provided with the sterilizing net for the mask.
The invention also provides a sterilizing mask, wherein the sterilizing net for the mask is arranged in the interlayer of the mask.
The following describes several specific examples of the present invention, all parts being by weight unless otherwise indicated:
example 1
The preparation material composition of example 1 is:
85 parts of ultra-high fluidity polypropylene (PP) (melt flow rate 1200g/10min (230 ℃,2.16 kg), molecular weight distribution 3 (150 ℃ C.), ash content 100ppm (850 ℃ C.));
15 parts of ultra-high-fluidity polypropylene (PP) (melt flow rate 1500g/10min (230 ℃,2.16 kg), molecular weight distribution 5 (150 ℃ C.), ash content 140ppm (850 ℃ C.));
0.1 part of lubricant zinc stearate;
0.1 part of antioxidant 1010 (tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester;
2 parts of inorganic antibacterial agent and 2 parts of zinc-containing antibacterial agent.
Example 2
The preparation material composition of example 2 is:
85 parts of ultra-high fluidity polypropylene (PP) (melt flow rate 1500g/10min (230 ℃,2.16 kg), molecular weight distribution 3 (150 ℃ C.), ash content 150ppm (850 ℃ C.));
15 parts of ultra-high-fluidity polypropylene (PP) (melt flow rate 1500g/10min (230 ℃,2.16 kg), molecular weight distribution 3 (150 ℃ C.), ash content 150ppm (850 ℃ C.));
0.2 parts of lubricant, wherein the lubricant comprises 0.1 part of zinc stearate and 0.1 part of calcium stearate;
0.1 part of antioxidant 1010 (tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester); 0.05 part of tris [ 2.4-di-tert-butylphenyl ] phosphite (antioxidant 168);
2 parts of inorganic antibacterial agent, namely 2 parts of zinc-copper-containing multicomponent antibacterial agent.
Example 3
The preparation material composition of example 3 is:
85 parts of ultra-high fluidity polypropylene (PP) (melt flow rate 1200g/10min (230 ℃,2.16 kg), molecular weight distribution 5 (150 ℃ C.), ash 100ppm (850 ℃ C.));
15 parts of ultra-high-fluidity polypropylene (PP) (melt flow rate 1200g/10min (230 ℃,2.16 kg), molecular weight distribution 5 (150 ℃ C.), ash 100ppm (850 ℃ C.));
0.2 parts of lubricant, wherein the lubricant comprises 0.2 parts of textile oiling agent;
0.1 part of antioxidant 1010 (tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester); 0.05 part of tris [ 2.4-di-tert-butylphenyl ] phosphite (antioxidant 168);
2 parts of inorganic antibacterial agent, which is a multi-component antibacterial agent containing silver, copper and zinc.
The preparation materials of example 1 and example 3 were produced according to the above-mentioned preparation methods for special materials
The cover is a sterilizing net.
The test sterilization comparison results for the samples produced according to the above methods of examples 1 to 3 are as follows:
as can be seen from the test results in the table, the sterilizing net for the mask produced by the special sterilizing material can effectively sterilize staphylococcus aureus and escherichia coli. Therefore, the mask made by the invention can sterilize and disinfect bacteria and viruses permeated from the outer layer of the mask, and has good sterilization and disinfection effects.
The sterilizing mask can be further improved by adopting electrostatic adding equipment to carry out electrostatic adding treatment.
The sterilizing mask is charged with static electricity through the static charging device, and has good filtering efficiency, because when external tiny particles without static electricity are close to the mask with static electricity, the opposite electrical property to the object with static electricity is induced at one end close to the mask with static electricity due to the static electricity induction phenomenon, and the mask is attracted to be attached to the mask with static electricity, so that the external tiny particles are filtered out, and the filtering efficiency of the mask can be improved.
The invention is not limited to the above-described embodiments, and a person skilled in the art may make various modifications thereto, but any equivalent or similar modifications as the invention are intended to be included within the scope of the claims of the present invention.
Claims (5)
1. A special material for a sterilizing mask is characterized in that: the formula of the feed comprises the following components in parts by weight: 100 parts of ultra-high fluidity polypropylene copolymer, 0.1 to 0.2 part of lubricant, 0.01 to 0.3 part of antioxidant and 2 to 4 parts of inorganic antibacterial agent,
wherein the lubricant is one or more of calcium stearate, zinc stearate or spinning oil, the inorganic antibacterial agent is one or more of inorganic antibacterial agents containing silver, copper and zinc single metal ions or multi-component metal ions carried on a porous material, and the antioxidant is one or more of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, tris [2, 4-di-tert-butylphenyl ] phosphite or tris [2, 4-di-tert-butylphenyl ] phosphite;
the ultra-high fluidity polypropylene copolymer adopts ISO 1133 detection standard, and the melt flow rate is 1200g-1500g/10min under the test condition of 2.16kg at 230 ℃; the ultra-high fluidity polypropylene copolymer adopts GPC detection standard, and the molecular weight distribution is 3-5 measured under the test condition of 150 ℃; the ultra-high fluidity polypropylene copolymer adopts ISO 3451 detection standard, and ash content is 100-150ppm measured at 850 ℃.
2. A sterilizing net for a mask, which is characterized in that: the sterilizing net for the mask is made of the special material for the sterilizing mask in claim 1.
3. A method for preparing the sterilizing mesh for mask according to claim 2, comprising the steps of:
the master batch processing step comprises the following steps: stirring the preparation material of the special material for the sterilizing mask in claim 1 at a low speed for 10-15 minutes, extruding the stirred mixture by a double-screw extruder, and forming master batch particles by underwater granulating, wherein the extruding temperature of the double-screw extruder is 200-220 ℃;
the preparation process of the melt-blown non-woven fabric comprises the following steps: the master batch particles are prepared through a melt-blown non-woven fabric production process flow, namely melt preparation, filtering, metering, melt extrusion from a spinneret orifice, melt trickle drawing and cooling, and net forming.
4. A sterilizing mask, wherein the sterilizing mask is internally provided with the sterilizing net for the mask according to claim 2, and the sterilizing mask is subjected to electrostatic charging treatment by adopting electrostatic charging equipment.
5. The sterilizing mask according to claim 4, wherein the sterilizing net for mask is provided in the mask interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080214.XA CN111206295B (en) | 2020-02-03 | 2020-02-03 | Material special for sterilizing mask, sterilizing net, sterilizing mask and preparation method of sterilizing mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080214.XA CN111206295B (en) | 2020-02-03 | 2020-02-03 | Material special for sterilizing mask, sterilizing net, sterilizing mask and preparation method of sterilizing mask |
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| Publication Number | Publication Date |
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| CN111206295A CN111206295A (en) | 2020-05-29 |
| CN111206295B true CN111206295B (en) | 2023-05-02 |
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| CN112552592A (en) * | 2020-12-08 | 2021-03-26 | 江苏集萃先进高分子材料研究所有限公司 | Preparation process of antibacterial PP melt-spray material with fresh smell |
| CN112921503A (en) * | 2021-01-20 | 2021-06-08 | 胡晨 | Inactivated germ melt-blown fabric and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1876708A (en) * | 2005-06-09 | 2006-12-13 | 龙口市道恩工程塑料有限公司 | Super high flowed polypropylene material for smelt-spraying nonwoven fabric |
| CN102424709A (en) * | 2011-11-25 | 2012-04-25 | 深圳市科聚新材料有限公司 | Anti-microbial polypropylene material and preparation method thereof |
| CN104558819B (en) * | 2013-10-22 | 2017-06-06 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene material and its application |
| CN105714396A (en) * | 2015-09-18 | 2016-06-29 | 安徽义林塑业有限公司 | Antibacterial polypropylene spunbonded nonwoven and preparation method thereof |
| CN106633364B (en) * | 2015-10-28 | 2019-08-20 | 中国石油化工股份有限公司 | A kind of antibacterial polypropylene and preparation method thereof |
| KR20180125745A (en) * | 2017-05-16 | 2018-11-26 | 현대자동차주식회사 | Polypropylene Complex Resin Composition for Low Temperature Injection-Molding |
| CN107177105A (en) * | 2017-07-21 | 2017-09-19 | 安徽江淮汽车集团股份有限公司 | A kind of weather-proof PP composites of antibacterial and preparation method thereof |
| CN108914247A (en) * | 2018-07-24 | 2018-11-30 | 宁波蒙曼生物科技有限公司 | A kind of high antibacterial non-woven fabric and preparation method thereof |
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