CN112064207A - Antibacterial deodorant spun-bonded non-woven fabric, planar mask with same and manufacturing method thereof - Google Patents
Antibacterial deodorant spun-bonded non-woven fabric, planar mask with same and manufacturing method thereof Download PDFInfo
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- CN112064207A CN112064207A CN202010917015.XA CN202010917015A CN112064207A CN 112064207 A CN112064207 A CN 112064207A CN 202010917015 A CN202010917015 A CN 202010917015A CN 112064207 A CN112064207 A CN 112064207A
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
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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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
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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
- A41D13/1161—Means for fastening to the user's head
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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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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- 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
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- 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
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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
- 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
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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
- 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
- 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
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/30—Non-woven
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Nonwoven Fabrics (AREA)
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Abstract
The invention discloses a bacteriostatic deodorant spun-bonded non-woven fabric, a planar mask with the same and a manufacturing method of the planar mask, wherein the bacteriostatic deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight: 75-85 parts of polypropylene, 15-19 parts of metallocene catalyzed linear low-density polyethylene, 2-2.5 parts of mesoporous silica, 3-4 parts of sepiolite powder, 1.2-1.4 parts of dichlorophenyl imidazole dioxolane, 2.2-2.6 parts of avermectin, 1-1.6 parts of maleic anhydride grafted polypropylene, 1-1.5 parts of oleamide, 1.5-2 parts of erucamide, 1-1.5 parts of heat stabilizer and 3-5 parts of polypropylene cooling master batch. The bacteriostatic deodorant spun-bonded non-woven fabric has good bacteriostatic deodorant effects, is particularly suitable for being applied to masks, and has excellent microbial indexes, cytotoxicity, skin irritation, delayed hypersensitivity and other performance indexes.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics and masks, in particular to an antibacterial deodorant spun-bonded non-woven fabric, a planar mask with the spun-bonded non-woven fabric and a manufacturing method of the planar mask.
Background
The mask is a health care product commonly used in daily life of people, most of the masks which are commonly used at first are sewn by gauze, fine cloth or common non-woven cloth, and the masks only have the function of isolating dust, impurities and fiber substances in the air from entering the oral cavity and the nasal cavity. SARS was abused in 2003, the widespread spread of avian influenza and various respiratory infectious diseases in recent years, and the outbreak of new type coronavirus pneumonia epidemics in recent years have brought serious threats to human health, the diseases are all spread through air entrainment or contact with secretion of patients, and an important protective measure for preventing the diseases is to take a mask. However, the common dust mask has not been able to satisfy the requirements, and people are then making great efforts to develop novel antibacterial masks, such as: various means such as an antibacterial layer, antibacterial drugs or an active carbon sheet are added on the mask to achieve the purpose of sterilization and disinfection.
Nonwoven fabrics have been used in large scale in the fields of medical supplies, medical instruments, and the like. The disposable sanitary product (mask) non-woven fabric product is characterized in that: firstly, the weight is light: the polypropylene has a specific gravity of only 0.9, is three fifths of that of cotton, is thin and light and has excellent fluffiness. Secondly, softening: consists of fine fibers (2-3D), is formed by spot hot melting and bonding, has moderate softness of a finished product and is comfortable. Thirdly, water drawing and ventilation: the polypropylene slice has no water absorption, zero water content, good water drawing property of the product, 100 percent of fiber composition, porosity, good air permeability of the product and easy keeping of dry and comfortable cloth cover. Fourthly, no toxicity and no irritation are caused: the product is produced by adopting food grade raw materials which accord with FDA, is shaped in a thermal bonding mode, does not contain other chemical components, has stable chemical properties, is nontoxic, has no peculiar smell, and does not stimulate the skin of a human body. Fifthly, chemical resistance agents: the polypropylene chemical inactive substance has good chemical corrosion resistance and the product is not affected by corrosion. Sixthly, antibacterial property: the product has water-drawing property, does not go moldy, can isolate the corrosion of bacteria and insects in the liquid and is not damaged by the mold. Seventhly, good physical properties: the polypropylene fiber is formed by directly laying polypropylene spinning into a net and thermally bonding, and the strength of the product is higher than that of common staple fibers. Eighthly, the bidirectional fastness is good: the rolling points are sesame points, so that the roller is wear-resistant and firm and has good hand feeling.
However, the nonwoven fabric for a flat mask and the flat mask used at present have the following problems:
1. the antibacterial and deodorant effects are poor, so that bacteria are easy to breed in the using process, secondary harm is caused, and the protective effect is greatly reduced;
2. the skin care product has irritation, toxicity, poor sweat absorption, moisture absorption, poor air permeability and the like to biological skin of a human body and the like, and is easy to cause symptoms of skin allergy and the like;
3. the prepared plane mask has poor filtering effect and poor protection effect; the air permeability is poor, and the wearing is easy to generate uncomfortable feeling.
Disclosure of Invention
Based on the above situation, the present invention aims to provide an antibacterial deodorant spunbonded nonwoven fabric, a planar mask having the same, and a manufacturing method thereof, which can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an antibacterial deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
15-19 parts of metallocene-catalyzed linear low-density polyethylene,
2-2.5 parts of mesoporous silica,
3-4 parts of sepiolite powder,
1.2 to 1.4 parts of dichlorophenyl imidazole dioxolan,
2.2 to 2.6 portions of abamectin,
1-1.6 parts of maleic anhydride grafted polypropylene,
1-1.5 parts of oleamide,
1.5-2 parts of erucamide,
1-1.5 parts of heat stabilizer,
3-5 parts of polypropylene cooling master batch.
Preferably, the bacteriostatic deodorant spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
17 portions of metallocene-catalyzed linear low-density polyethylene,
2.25 parts of mesoporous silica,
3.5 portions of sepiolite powder,
1.3 parts of dichlorophenyl imidazole dioxolane,
2.4 portions of abamectin,
1.3 parts of maleic anhydride grafted polypropylene,
1.3 parts of oleamide,
Erucamide 1.7 weight portions,
1.25 parts of heat stabilizer,
4 parts of polypropylene cooling master batch.
Preferably, the avermectin is a mixture of avermectin A and avermectin B.
Preferably, the mass ratio of the avermectin A to the avermectin B in the mixture of the avermectin A and the avermectin B is 1: 0.62-0.68.
Preferably, the polypropylene is a blend of syndiotactic polypropylene and atactic polypropylene.
Preferably, the blend of syndiotactic polypropylene and atactic polypropylene has a mass ratio of syndiotactic polypropylene to atactic polypropylene of 1: 0.45 to 0.55.
Preferably, the particle size of the sepiolite powder is 3000-5000 meshes.
Preferably, the heat stabilizer is heat stabilizer 9018-1.
The invention also provides a plane mask, which comprises a mask body, a nose clip and ear bands arranged on two sides of the mask body; the mask body comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric;
the nose clip is arranged on the upper part of the mask body and is positioned between any two adjacent layers of the first spun-bonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spun-bonded non-woven fabric layer.
The invention also provides a preparation method of the plane mask, which comprises the following steps:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form filaments, and is bonded together to form a non-woven fabric primary product, and then the non-woven fabric primary product is rolled to obtain the bacteriostatic deodorant spun-bonded non-woven fabric;
D. the antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly made into a mask body through mask production equipment, a nose clip is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the mask body making process, and then ear bands are respectively welded on the two sides of the mask body, so that the plane mask is obtained.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the bacteriostatic deodorant spun-bonded non-woven fabric is designed by raw material composition, the content of each raw material is optimized, polypropylene, metallocene catalyzed linear low-density polyethylene, mesoporous silica, sepiolite powder, dichlorophenyl imidazole dioxolane, avermectin, maleic anhydride grafted polypropylene, oleamide, erucamide, a heat stabilizer and polypropylene cooling master batches in proper proportion are selected, the advantages of each raw material are fully exerted, the raw materials are mutually supplemented and promoted, and the prepared bacteriostatic deodorant spun-bonded non-woven fabric has good bacteriostatic and deodorant effects, is particularly suitable for being applied to a mask, and has excellent performance indexes such as cytotoxicity, skin irritation, delayed hypersensitivity and the like.
The bacteriostatic deodorant spunbonded non-woven fabric disclosed by the invention has the advantages that a proper amount of polypropylene is added, and the polypropylene is preferably a mixture of syndiotactic polypropylene and atactic polypropylene, so that the bacteriostatic deodorant spunbonded non-woven fabric disclosed by the invention has good flexibility and higher mechanical strength, is most importantly non-toxic and harmless to organisms such as human bodies, and belongs to food-grade raw materials.
The prepared antibacterial deodorant spunbonded non-woven fabric has a good antibacterial effect, is not easy to breed bacteria in the using process, and is not easy to generate peculiar smell or stink.
The appropriate amount of mesoporous silica and sepiolite powder are added, the mesoporous silica and the sepiolite powder interact with each other to achieve a good synergistic effect, the adsorption performance is good, a good peculiar smell removing effect can be achieved, the avilamycin and the dichlorophenyl imidazole dioxolane can be adsorbed, a slow release effect is achieved, the prepared antibacterial deodorant spunbonded non-woven fabric has a good antibacterial effect, the antibacterial effect is durable, bacteria are not prone to breeding in the using process, and peculiar smell or odor is not prone to generating.
The antibacterial deodorant spun-bonded non-woven fabric has the advantages that a proper amount of metallocene-catalyzed linear low-density polyethylene is added, the compatibility is good in the raw material system, the flexibility is good, the mechanical properties such as tensile strength are good, the flexibility of the prepared antibacterial deodorant spun-bonded non-woven fabric can be greatly improved, and the mechanical properties such as mechanical strength of the prepared antibacterial deodorant spun-bonded non-woven fabric can be improved.
The appropriate amount of maleic anhydride grafted polypropylene is added, and the maleic anhydride grafted polypropylene is mainly used as a compatilizer in a raw material system of the invention, so that the compatibility of each component is improved, and the performance of the prepared antibacterial deodorant spun-bonded non-woven fabric is ensured.
The antibacterial deodorant spun-bonded non-woven fabric prepared by the method disclosed by the invention has the advantages that a proper amount of oleamide and erucamide are added, the oleamide and the erucamide interact with each other to achieve a good synergistic effect, and other components are matched, so that the smoothness and the anti-sticking performance of the antibacterial deodorant spun-bonded non-woven fabric prepared by the method are greatly improved, and the smoothness and the anti-sticking effect are lasting.
A proper amount of heat stabilizer is added, preferably 9018-1, in the raw material system, the heat stabilizer mainly plays a good heat stabilizing role, and avoids damage caused in the processing process, so that the performance of the prepared antibacterial deodorant spun-bonded non-woven fabric is ensured;
the proper amount of the polypropylene cooling master batch is added, and in the raw material system, the processing temperature is mainly reduced, the processing performance is improved, and the damage caused in the high-temperature processing process is avoided, so that the performance of the prepared antibacterial deodorant spun-bonded non-woven fabric is ensured.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
Drawings
Fig. 1 is a schematic structural view of a flat mask according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
an antibacterial deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
15-19 parts of metallocene-catalyzed linear low-density polyethylene,
2-2.5 parts of mesoporous silica,
3-4 parts of sepiolite powder,
1.2 to 1.4 parts of dichlorophenyl imidazole dioxolan,
2.2 to 2.6 portions of abamectin,
1-1.6 parts of maleic anhydride grafted polypropylene,
1-1.5 parts of oleamide,
1.5-2 parts of erucamide,
1-1.5 parts of heat stabilizer,
3-5 parts of polypropylene cooling master batch.
In this embodiment, the bacteriostatic deodorant spunbonded nonwoven fabric is preferably, but not limited to, made of the following raw materials in parts by weight:
80 parts of polypropylene,
17 portions of metallocene-catalyzed linear low-density polyethylene,
2.25 parts of mesoporous silica,
3.5 portions of sepiolite powder,
1.3 parts of dichlorophenyl imidazole dioxolane,
2.4 portions of abamectin,
1.3 parts of maleic anhydride grafted polypropylene,
1.3 parts of oleamide,
Erucamide 1.7 weight portions,
1.25 parts of heat stabilizer,
4 parts of polypropylene cooling master batch.
In this embodiment, the avermectin is preferably, but not limited to, a mixture of avermectin a and avermectin B.
In this embodiment, the mass ratio of the avermectin a to the avermectin B in the mixture of the avermectin a and the avermectin B is preferably, but not limited to, 1: 0.62-0.68.
In this embodiment, the polypropylene is preferably, but not limited to, a blend of syndiotactic polypropylene and atactic polypropylene.
In this embodiment, the mixture of syndiotactic polypropylene and atactic polypropylene preferably has a mass ratio of syndiotactic polypropylene to atactic polypropylene of, but not limited to, 1: 0.45 to 0.55.
In the embodiment, the particle size of the sepiolite powder is preferably, but not limited to, 3000-5000 meshes.
In this example, the thermal stabilizer is preferably, but not limited to, thermal stabilizer 9018-1.
As shown in fig. 1, the present embodiment further provides a flat mask, which includes a mask body 1, a nose clip 2, and ear bands 3 disposed on two sides of the mask body 1; the mask body 1 comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric;
the nose clip 2 is disposed on the upper portion of the mask body 1, and is located between any two adjacent layers of the first spun-bonded nonwoven fabric layer, the melt-blown nonwoven fabric layer, and the second spun-bonded nonwoven fabric layer.
As shown in fig. 1, the present embodiment further provides a method for manufacturing the flat mask, including the following steps:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form filaments, and is bonded together to form a non-woven fabric primary product, and then the non-woven fabric primary product is rolled to obtain the bacteriostatic deodorant spun-bonded non-woven fabric;
D. the antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly made into a mask body 1 through mask production equipment, a nose clip 2 is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the manufacturing process of the mask body 1, and then ear bands 3 are respectively welded on the two sides of the mask body 1, so that the planar mask is obtained.
In the present embodiment, the meltblown nonwoven fabric layer is preferably, but not limited to, an aromatic meltblown nonwoven fabric with low air resistance;
the low-air-resistance aromatic melt-blown non-woven fabric is preferably, but not limited to, made of the following raw materials in parts by weight:
80-90 parts of polypropylene melt-blown non-woven fabric slices,
10-13 parts of maleic anhydride grafted polypropylene,
5-7 parts of metallocene-catalyzed linear low-density polyethylene,
1.8-2.2 parts of mesoporous silica,
2.5-3 parts of nano bismuth stearate,
1.5 to 1.8 parts of methyl 3- [3- (benzotriazol-2-yl) -5-tert-butyl-4-hydroxyphenyl ] propionate,
3 to 3.8 parts of N- (2, 6-dimethylphenyl) phthalimide,
2-2.5 parts of oleamide,
Erucamide 0.6-0.9 parts.
Preferably, the low air resistance aromatic melt-blown non-woven fabric is prepared from the following raw materials in parts by weight:
85 portions of polypropylene melt-blown non-woven fabric slices,
11.5 parts of maleic anhydride grafted polypropylene,
6 portions of metallocene-catalyzed linear low-density polyethylene,
2 parts of mesoporous silica,
2.75 parts of nano bismuth stearate,
1.65 parts of methyl 3- [3- (benzotriazol-2-yl) -5-tert-butyl-4-hydroxyphenyl ] propionate,
3.4 parts of N- (2, 6-dimethylphenyl) phthalimide,
2.25 parts of oleamide,
Erucamide 0.75 parts.
Preferably, the low air resistance aromatic melt-blown non-woven fabric further comprises the following raw materials in parts by weight: 3-4 parts of polypropylene cooling master batch.
Preferably, the low air resistance aromatic melt-blown non-woven fabric further comprises the following raw materials in parts by weight: 0.3-1.2 parts of essence.
Preferably, the metallocene-catalyzed linear low density polyethylene is exxonmobil 1018 MF.
The low air resistance aromatic melt-blown non-woven fabric in the embodiment is designed by raw material composition, the content of each raw material is optimized, a polypropylene melt-blown non-woven fabric slice, maleic anhydride grafted polypropylene, metallocene catalyzed linear low-density polyethylene, mesoporous silica, nano bismuth stearate, 3- [3- (benzotriazole-2-yl) -5-tert-butyl-4-hydroxyphenyl ] methyl propionate, N- (2, 6-dimethylphenyl) phthalimide, oleamide, erucamide and the like in proper proportion are selected, the advantages of each raw material are fully exerted, the raw materials are mutually supplemented and mutually promoted, the prepared low air resistance aromatic melt-blown non-woven fabric has good filtering effect and excellent electret charge storage performance, and after the low air resistance aromatic melt-blown non-woven fabric is stored for 3 months under high-temperature and high-humidity conditions (36 ℃ and 90% humidity), the filtering efficiency is still well preserved, so that the manufactured plane mask has good filtering effect and good protection effect; and the air permeability is good, the ventilation resistance is low, and the uncomfortable feelings such as oxygen deficiency and the like are not easy to generate when the mask is worn.
The low-air-resistance aromatic melt-blown non-woven fabric is particularly suitable for being applied to a mask, and the microbiological indexes, cytotoxicity, skin irritation, delayed hypersensitivity and other performance indexes of the low-air-resistance aromatic melt-blown non-woven fabric are excellent.
In the low air resistance aromatic melt-blown non-woven fabric raw material of the embodiment, the polypropylene melt-blown non-woven fabric slices and the maleic anhydride grafted polypropylene are added in a proper proportion, and the compatibility of the polypropylene melt-blown non-woven fabric slices and the maleic anhydride grafted polypropylene is good and matched with each other, so that the filtering performance of the product is ensured, the dispersion compatibility with other raw materials is improved, and the comprehensive performance of the low air resistance aromatic melt-blown non-woven fabric of the embodiment can be ensured;
an amount of metallocene-catalyzed linear low density polyethylene is added, preferably the metallocene-catalyzed linear low density polyethylene is exxonmobil 1018 MF. The raw material system of the embodiment has good compatibility, good flexibility, thermal bonding performance, good tensile strength and other mechanical properties, can greatly improve the flexibility and melt-blown bonding performance of the prepared antibacterial deodorant spun-bonded non-woven fabric, and ensures that the low-air-resistance aromatic melt-blown non-woven fabric of the embodiment can form fine and compact micropores, so that the good low-air-resistance performance is ensured, and the good filtering effect is achieved; mechanical properties such as mechanical strength and the like of the prepared antibacterial deodorant spun-bonded non-woven fabric can be improved;
the appropriate amount of mesoporous silica is added, so that the crystallization nucleation effect can be achieved, and the low-air-resistance aromatic melt-blown non-woven fabric can be adsorbed and shrunk after being sprayed and cooled to increase the ventilation micropores inside the low-air-resistance aromatic melt-blown non-woven fabric, so that the low-air-resistance aromatic melt-blown non-woven fabric can be better ensured to form fine and compact micropores, and thus, the good low air-resistance property is ensured, and the good filtering effect is achieved;
proper amounts of nano bismuth stearate, 3- [3- (benzotriazole-2-yl) -5-tert-butyl-4-hydroxyphenyl ] methyl propionate and N- (2, 6-dimethylphenyl) phthalimide are added to serve as a compounded electret, so that the compound electret has a good electret effect, the nano bismuth stearate, the methyl 3- [3- (benzotriazole-2-yl) -5-tert-butyl-4-hydroxyphenyl ] propionate and the N- (2, 6-dimethylphenyl) phthalimide are matched with each other to play a good synergistic role, the prepared low-air-resistance aromatic melt-blown non-woven fabric has a good filtering effect and excellent electret charge storage performance, and after being stored for 3 months under high-temperature and high-humidity conditions (36 ℃, 90% of humidity), the filtering efficiency is still well preserved, so that the prepared flat mask has.
Example 2:
an antibacterial deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight:
75 parts of polypropylene,
15 portions of metallocene-catalyzed linear low-density polyethylene,
2 parts of mesoporous silica,
3 portions of sepiolite powder,
1.2 parts of dichlorophenyl imidazole dioxolane,
2.2 portions of abamectin,
1 part of maleic anhydride grafted polypropylene,
1 part of oleamide,
Erucamide 1.5 weight portions,
1 part of heat stabilizer,
3 parts of polypropylene cooling master batch.
In this embodiment, the avermectin is a mixture of avermectin a and avermectin B.
In this embodiment, the mass ratio of the avermectin a to the avermectin B in the mixture of the avermectin a and the avermectin B is 1: 0.62.
in this example, the polypropylene is a blend of syndiotactic polypropylene and atactic polypropylene.
In this example, the mixture of syndiotactic polypropylene and atactic polypropylene has a mass ratio of syndiotactic polypropylene to atactic polypropylene of 1: 0.45.
in this example, the sepiolite powder has a particle size of 3000 mesh.
In this example, the thermal stabilizer is thermal stabilizer 9018-1.
In the present embodiment, as shown in fig. 1, there is also provided a flat mask, comprising a mask body 1, a nose clip 2 and ear bands 3 disposed on two sides of the mask body 1; the mask body 1 comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric;
the nose clip 2 is disposed on the upper portion of the mask body 1, and is located between any two adjacent layers of the first spun-bonded nonwoven fabric layer, the melt-blown nonwoven fabric layer, and the second spun-bonded nonwoven fabric layer.
In this embodiment, as shown in fig. 1, the method for manufacturing a flat mask includes the following steps:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form filaments, and is bonded together to form a non-woven fabric primary product, and then the primary product is rolled to obtain the bacteriostatic deodorant spun-bonded non-woven fabric (the gram weight is 450 g/m)2)；
D. The antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly made into a mask body 1 through mask production equipment, a nose clip 2 is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the manufacturing process of the mask body 1, and then ear bands 3 are respectively welded on the two sides of the mask body 1, so that the planar mask is obtained.
Example 3:
an antibacterial deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight:
85 parts of polypropylene,
19 portions of metallocene-catalyzed linear low-density polyethylene,
2.5 parts of mesoporous silica,
Sepiolite powder 4 portions,
1.4 parts of dichlorophenyl imidazole dioxolane,
2.6 portions of abamectin,
1.6 parts of maleic anhydride grafted polypropylene,
1.5 parts of oleamide,
2 parts of erucamide,
1.5 parts of heat stabilizer,
5 parts of polypropylene cooling master batch.
In this embodiment, the avermectin is a mixture of avermectin a and avermectin B.
In this embodiment, the mass ratio of the avermectin a to the avermectin B in the mixture of the avermectin a and the avermectin B is 1: 0.68.
in this example, the polypropylene is a blend of syndiotactic polypropylene and atactic polypropylene.
In this example, the mixture of syndiotactic polypropylene and atactic polypropylene has a mass ratio of syndiotactic polypropylene to atactic polypropylene of 1: 0.55.
in this example, the sepiolite powder has a particle size of 5000 mesh.
In this example, the thermal stabilizer is thermal stabilizer 9018-1.
In the present embodiment, as shown in fig. 1, there is also provided a flat mask, comprising a mask body 1, a nose clip 2 and ear bands 3 disposed on two sides of the mask body 1; the mask body 1 comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric;
the nose clip 2 is disposed on the upper portion of the mask body 1, and is located between any two adjacent layers of the first spun-bonded nonwoven fabric layer, the melt-blown nonwoven fabric layer, and the second spun-bonded nonwoven fabric layer.
In this embodiment, as shown in fig. 1, the method for manufacturing a flat mask includes the following steps:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form filaments, and is bonded together to form a non-woven fabric primary product, and then the primary product is rolled to obtain the bacteriostatic deodorant spun-bonded non-woven fabric (the gram weight is 450 g/m)2)；
D. The antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly made into a mask body 1 through mask production equipment, a nose clip 2 is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the manufacturing process of the mask body 1, and then ear bands 3 are respectively welded on the two sides of the mask body 1, so that the planar mask is obtained.
Example 4:
an antibacterial deodorant spun-bonded non-woven fabric is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
17 portions of metallocene-catalyzed linear low-density polyethylene,
2.25 parts of mesoporous silica,
3.5 portions of sepiolite powder,
1.3 parts of dichlorophenyl imidazole dioxolane,
2.4 portions of abamectin,
1.3 parts of maleic anhydride grafted polypropylene,
1.3 parts of oleamide,
Erucamide 1.7 weight portions,
1.25 parts of heat stabilizer,
4 parts of polypropylene cooling master batch.
In this embodiment, the avermectin is a mixture of avermectin a and avermectin B.
In this embodiment, the mass ratio of the avermectin a to the avermectin B in the mixture of the avermectin a and the avermectin B is 1: 0.65.
in this example, the polypropylene is a blend of syndiotactic polypropylene and atactic polypropylene.
In this example, the mixture of syndiotactic polypropylene and atactic polypropylene has a mass ratio of syndiotactic polypropylene to atactic polypropylene of 1: 0.5.
in this example, the sepiolite powder has a particle size of 4000 mesh.
In this example, the thermal stabilizer is thermal stabilizer 9018-1.
In the embodiment, a plane mask is further provided, which comprises a mask body 1, a nose clip 2 and ear bands 3 arranged on two sides of the mask body 1; the mask body 1 comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric;
the nose clip 2 is disposed on the upper portion of the mask body 1, and is located between any two adjacent layers of the first spun-bonded nonwoven fabric layer, the melt-blown nonwoven fabric layer, and the second spun-bonded nonwoven fabric layer.
In this embodiment, the method for manufacturing a flat mask includes the following steps:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine and is sprayed out from a spinneret plate to form filaments and be bondedBonding the materials together to form a non-woven fabric primary product, and rolling to obtain the bacteriostatic deodorant spun-bonded non-woven fabric (the gram weight is 450 g/m)2)；
D. The antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly made into a mask body 1 through mask production equipment, a nose clip 2 is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the manufacturing process of the mask body 1, and then ear bands 3 are respectively welded on the two sides of the mask body 1, so that the planar mask is obtained.
In embodiments 2 to 4 of the present invention, the meltblown nonwoven fabric layers are all low air resistance aromatic meltblown nonwoven fabrics;
the low-air-resistance aromatic melt-blown non-woven fabric is preferably prepared from the following raw materials in parts by weight:
85 portions of polypropylene melt-blown non-woven fabric slices,
11.5 parts of maleic anhydride grafted polypropylene,
6 portions of metallocene-catalyzed linear low-density polyethylene,
2 parts of mesoporous silica,
2.75 parts of nano bismuth stearate,
Methyl 3- [3- (benzotriazol-2-yl) -5-tert-butyl-4-hydroxyphenyl ] propionate 1, 65 parts,
3.4 parts of N- (2, 6-dimethylphenyl) phthalimide,
2.25 parts of oleamide,
Erucamide 0.75 parts.
The low-air-resistance aromatic melt-blown non-woven fabric further comprises the following raw materials in parts by weight: 3.5 parts of polypropylene cooling master batch.
The low-air-resistance aromatic melt-blown non-woven fabric further comprises the following raw materials in parts by weight: 0.7 part of essence.
Wherein the metallocene-catalyzed linear low density polyethylene is exxonmobil 1018 MF.
The following performance tests were performed on the flat masks obtained in examples 2 to 4 of the present invention, and the test results are shown below:
wherein, 1) microorganism indexes: the test was carried out according to the method specified in appendix B of GB 15979-2002, and the results are shown in Table 1:
TABLE 1
2) According to GB/T16886.1-2011, YY/T0969-2013 and the nature and time of contact with human bodies, the items of the evaluation test are cytotoxicity, skin irritation and delayed hypersensitivity tests. The evaluation endpoint results are shown in table 2:
TABLE 2
3) Bacterial filtration efficiency: the test was carried out according to the method of 5.5 in YY/T0969-2013;
4) ventilation resistance: the test was carried out according to the method 5.6 in YY/T0969-2013;
the results are shown in Table 3:
as can be seen from tables 1 to 3 above, the flat masks obtained in examples 2 to 4 of the present invention are excellent in performance indexes.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The bacteriostatic deodorant spunbonded non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
15-19 parts of metallocene-catalyzed linear low-density polyethylene,
2-2.5 parts of mesoporous silica,
3-4 parts of sepiolite powder,
1.2 to 1.4 parts of dichlorophenyl imidazole dioxolan,
2.2 to 2.6 portions of abamectin,
1-1.6 parts of maleic anhydride grafted polypropylene,
1-1.5 parts of oleamide,
1.5-2 parts of erucamide,
1-1.5 parts of heat stabilizer,
3-5 parts of polypropylene cooling master batch.
2. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 1, which is characterized by being prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
17 portions of metallocene-catalyzed linear low-density polyethylene,
2.25 parts of mesoporous silica,
3.5 portions of sepiolite powder,
1.3 parts of dichlorophenyl imidazole dioxolane,
2.4 portions of abamectin,
1.3 parts of maleic anhydride grafted polypropylene,
1.3 parts of oleamide,
Erucamide 1.7 weight portions,
1.25 parts of heat stabilizer,
4 parts of polypropylene cooling master batch.
3. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 1 or 2, wherein the avermectin is a mixture of avermectin A and avermectin B.
4. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 3, wherein the mass ratio of the avermectin A to the avermectin B in the mixture of the avermectin A and the avermectin B is 1: 0.62-0.68.
5. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 4, wherein the polypropylene is a mixture of syndiotactic polypropylene and atactic polypropylene.
6. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 5, wherein the mass ratio of the syndiotactic polypropylene to the atactic polypropylene in the mixture of the syndiotactic polypropylene and the atactic polypropylene is 1: 0.45 to 0.55.
7. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 6, wherein the sepiolite powder has a particle size of 3000-5000 meshes.
8. The bacteriostatic deodorant spunbonded nonwoven fabric according to claim 7, wherein the heat stabilizer is heat stabilizer 9018-1.
9. A plane mask is characterized by comprising a mask body (1), a nose clip (2) and ear bands (3) arranged on two sides of the mask body (1); the mask body (1) comprises a first spun-bonded non-woven fabric layer, a melt-blown non-woven fabric layer and a second spun-bonded non-woven fabric layer which are sequentially stacked;
the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer are both the bacteriostatic deodorant spun-bonded non-woven fabric according to any one of claims 4 to 8;
the nose clip (2) is arranged on the upper part of the mask body (1) and is positioned between any two adjacent layers of the first spun-bonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spun-bonded non-woven fabric layer.
10. The method of making a flat mask according to claim 9, comprising the steps of:
A. weighing the raw materials of the antibacterial deodorant spun-bonded non-woven fabric according to the parts by weight, and uniformly mixing to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form filaments, and is bonded together to form a non-woven fabric primary product, and then the non-woven fabric primary product is rolled to obtain the bacteriostatic deodorant spun-bonded non-woven fabric;
the antibacterial deodorant spunbonded non-woven fabric is used as a first spunbonded non-woven fabric layer and a second spunbonded non-woven fabric layer, the first spunbonded non-woven fabric layer, a melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer are firstly manufactured into a mask body (1) through mask production equipment, a nose clip (2) is fixed between any two adjacent layers of the first spunbonded non-woven fabric layer, the melt-blown non-woven fabric layer and the second spunbonded non-woven fabric layer in the manufacturing process of the mask body (1), and then ear bands (3) are respectively welded on the two sides of the mask body (1), so that the planar mask is obtained.
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