CN113106633A - Antibacterial PP (polypropylene) spun-bonded non-woven fabric and preparation method thereof - Google Patents
Antibacterial PP (polypropylene) spun-bonded non-woven fabric and preparation method thereof Download PDFInfo
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- CN113106633A CN113106633A CN202110380087.XA CN202110380087A CN113106633A CN 113106633 A CN113106633 A CN 113106633A CN 202110380087 A CN202110380087 A CN 202110380087A CN 113106633 A CN113106633 A CN 113106633A
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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
-
- 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
-
- 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
-
- 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
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D04H3/005—Synthetic yarns or filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses an antibacterial PP (polypropylene) spunbonded non-woven fabric and a preparation method thereof, wherein the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight: 55-65 parts of polypropylene, 30-37 parts of ethylene-methyl methacrylate copolymer, 16-20 parts of polyethylene glycol monomethyl ether, 2-4 parts of maleic anhydride grafted polypropylene, 3-4.2 parts of large-aperture hollow silica nanoparticles, 2.6-3.2 parts of nano silver-loaded titanium dioxide and 5-8 parts of filler. The antibacterial PP spun-bonded non-woven fabric has a good antibacterial effect and a lasting antibacterial effect; the air permeability is high, the moisture absorption constant is large, the water absorption rate is high, the moisture absorption and air permeability performance is good, the skin friendliness is good, and the use comfort level is high; in addition, the antibacterial PP spun-bonded non-woven fabric has high breaking strength, good mechanical property and good durability; the comprehensive performance index is excellent, the comprehensive service performance is good, and the market application prospect is wide.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to an antibacterial PP (polypropylene) spun-bonded non-woven fabric and a preparation method thereof.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has no warp and weft, is very convenient to cut and sew, is light in weight and easy to shape, and is popular with hand fans. Because it is a fabric formed without spinning a woven fabric, it is formed by orienting or randomly arranging textile staple fibers or filaments to form a web structure and then reinforcing them by mechanical, thermal or chemical means.
Polypropylene nonwoven fabrics, also known as polypropylene nonwoven fabrics, are made from rayon fibers. The polypropylene non-woven fabric has the following main purposes:
(1) medical and sanitary polypropylene nonwoven fabric: surgical gowns, protective clothing, sterilization wrap, masks, diapers, household rags, wiping cloths, wet face towels, magic towels, soft tissue rolls, beauty products, sanitary napkins, sanitary pads, disposable sanitary cloths and the like;
(2) polypropylene nonwoven fabric for floor decoration: wall coverings, tablecloths, bed sheets, bedspreads, and the like;
(3) polypropylene nonwoven fabric for clothing: lining, adhesive lining, flocculus, shaped cotton, various synthetic leather base fabrics and the like;
(4) polypropylene nonwoven fabrics for industrial use; filter materials, insulating materials, cement packaging bags, geotextiles, coated fabrics and the like;
(5) polypropylene nonwoven fabric for agricultural use: crop protection cloth, seedling raising cloth, irrigation cloth, a heat preservation curtain and the like;
(6) polypropylene nonwoven for other applications: space cotton, heat-insulating and sound-insulating materials, oil-absorbing felt, smoke filter tips, tea bags and the like.
However, the currently used PP spunbonded nonwoven fabrics still have the following problems:
1. the moisture absorption and air permeability performance is poor, the skin-friendly hydrophilicity is poor, and the use comfort level is not high;
2. the antibacterial property is not available, or the antibacterial property is poor, and the antibacterial effect is not lasting;
3. among the fiber filaments, the anti-sticking property is poor, the bonding strength is low, or after inorganic filler is added, the mechanical property is poor, and the durability is poor.
Disclosure of Invention
Based on the above situation, the invention aims to provide an antibacterial PP spunbonded non-woven fabric and a preparation 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:
the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
55-65 parts of polypropylene,
30-37 parts of ethylene-methyl methacrylate copolymer,
16-20 parts of polyethylene glycol monomethyl ether,
2-4 parts of maleic anhydride grafted polypropylene,
3-4.2 parts of large-aperture hollow silica nanoparticles,
2.6 to 3.2 parts of nano silver-loaded titanium dioxide,
5-8 parts of a filler.
Preferably, the antibacterial PP spunbonded nonwoven fabric is prepared from the following raw materials in parts by weight:
60 portions of polypropylene,
33.5 parts of ethylene-methyl methacrylate copolymer,
18 parts of polyethylene glycol monomethyl ether,
3 parts of maleic anhydride grafted polypropylene,
3.6 parts of large-aperture hollow silica nano particles,
2.9 portions of nano silver-carrying titanium dioxide,
6.5 parts of a filler.
Preferably, the antibacterial PP spunbonded nonwoven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 to 3.5 portions.
Preferably, the ethylene-methyl methacrylate copolymer has a content molar ratio of monomer units of ethylene to methyl methacrylate of 1: 0.32 to 0.36.
Preferably, the particle size of the large-aperture hollow silica nanoparticles is 150-170 nm, and the aperture is 35-45 nm.
Preferably, the filler is a mixture of sepiolite powder and pearl powder.
Preferably, the mass ratio of the sepiolite powder to the pearl powder in the mixture of the sepiolite powder and the pearl powder is 1: 0.6 to 0.72.
Preferably, the particle sizes of the sepiolite powder and the pearl powder are 4000-6000 meshes.
The invention also provides a preparation method of the antibacterial PP spunbonded non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the antibacterial PP spunbonded non-woven fabric is prepared by selecting raw materials, optimizing the content of each raw material, selecting polypropylene, ethylene-methyl methacrylate copolymer, polyethylene glycol monomethyl ether, maleic anhydride grafted polypropylene, large-aperture hollow silica nanoparticles, nano silver-loaded titanium dioxide, filler and the like in proper proportion, fully playing the advantages of each raw material, complementing each other and promoting each other, and the prepared antibacterial PP spunbonded non-woven fabric has good antibacterial effect and lasting antibacterial effect; the air permeability is high, the moisture absorption constant is large, the water absorption rate is high, the moisture absorption and air permeability performance is good, the skin friendliness is good, and the use comfort level is high; in addition, the antibacterial PP spun-bonded non-woven fabric has high breaking strength, good mechanical property and good durability; the adopted raw materials are nontoxic and harmless, can be directly contacted with food and skin, and have excellent comprehensive performance indexes, good comprehensive use performance and wide market application prospect.
The antibacterial PP spunbonded non-woven fabric is added with the ethylene-methyl methacrylate copolymer in a proper proportion, has good compatibility with polypropylene and the like, and can greatly improve the anti-sticking property and the bonding strength after being added, thereby greatly improving the mechanical strength.
The antibacterial PP spunbonded non-woven fabric is added with polyethylene glycol monomethyl ether in a proper proportion, has good compatibility with polypropylene and the like, and can greatly improve the skin-friendly hydrophilicity of the antibacterial PP spunbonded non-woven fabric, improve the dispersibility of various raw materials in the antibacterial PP spunbonded non-woven fabric and improve the heat resistance.
The antibacterial PP spunbonded non-woven fabric is added with the large-aperture hollow silica nano particles in a proper proportion, and can be matched with sepiolite powder and pearl powder, so that a good synergistic effect is achieved, the air permeability, the moisture absorption constant, the water absorption rate and the like of the antibacterial PP spunbonded non-woven fabric are greatly improved, the moisture absorption and air permeability performance and the skin friendliness are greatly improved, and the use comfort of the antibacterial PP spunbonded non-woven fabric is high; the large-aperture hollow silica nano particles can also adsorb nano silver-loaded titanium dioxide, and further play a slow release role, so that the durability of the antibacterial effect is greatly improved; in addition, the antibacterial PP spun-bonded non-woven fabric has a reinforcing effect, and the mechanical strength of the antibacterial PP spun-bonded non-woven fabric is improved.
The antibacterial PP spunbonded non-woven fabric is added with the nano silver-loaded titanium dioxide in a proper proportion, so that the antibacterial PP spunbonded non-woven fabric has good dispersibility in the raw material system, and the good antibacterial performance of the antibacterial PP spunbonded non-woven fabric is ensured.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
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:
the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
55-65 parts of polypropylene,
30-37 parts of ethylene-methyl methacrylate copolymer,
16-20 parts of polyethylene glycol monomethyl ether,
2-4 parts of maleic anhydride grafted polypropylene,
3-4.2 parts of large-aperture hollow silica nanoparticles,
2.6 to 3.2 parts of nano silver-loaded titanium dioxide,
5-8 parts of a filler.
In this embodiment, the antibacterial PP spunbonded nonwoven fabric is preferably, but not limited to, made of raw materials including, by weight:
60 portions of polypropylene,
33.5 parts of ethylene-methyl methacrylate copolymer,
18 parts of polyethylene glycol monomethyl ether,
3 parts of maleic anhydride grafted polypropylene,
3.6 parts of large-aperture hollow silica nano particles,
2.9 portions of nano silver-carrying titanium dioxide,
6.5 parts of a filler.
In this embodiment, the antibacterial PP spunbonded nonwoven fabric preferably, but not limited to, further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 to 3.5 portions.
In this embodiment, the ethylene-methyl methacrylate copolymer preferably has a molar ratio of the monomer units of ethylene to methyl methacrylate of 1: 0.32 to 0.36.
In the present embodiment, the particle size of the large-pore hollow silica nanoparticles is preferably, but not limited to, 150 to 170nm, and the pore size is preferably, but not limited to, 35 to 45 nm.
In this embodiment, the filler is preferably, but not limited to, a mixture of sepiolite powder and pearl powder.
In this embodiment, the mass ratio of the sepiolite powder to the pearl powder in the mixture of sepiolite powder and pearl powder is preferably, but not limited to, 1: 0.6 to 0.72.
In the embodiment, the particle sizes of the sepiolite powder and the pearl powder are preferably, but not limited to, 4000-6000 meshes.
The preparation method of the antibacterial PP spunbonded non-woven fabric comprises the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
Example 2:
the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
55 parts of polypropylene,
30 parts of ethylene-methyl methacrylate copolymer,
16 parts of polyethylene glycol monomethyl ether,
2 parts of maleic anhydride grafted polypropylene,
3 parts of large-aperture hollow silica nano particles,
2.6 portions of nano silver-carrying titanium dioxide,
And 5 parts of a filler.
In this embodiment, the antibacterial PP spunbonded nonwoven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 parts.
In this example, the ethylene-methyl methacrylate copolymer had a molar ratio of monomer units of ethylene to methyl methacrylate of 1: 0.32.
in this example, the large-pore hollow silica nanoparticles had a particle size of 150nm and a pore size of 35 nm.
In this example, the filler is a mixture of sepiolite powder and pearl powder.
In this embodiment, the mass ratio of the sepiolite powder to the pearl powder in the mixture of sepiolite powder and pearl powder is 1: 0.6.
in this example, the particle sizes of the sepiolite powder and the pearl powder are 4000 meshes.
In this embodiment, the preparation method of the antibacterial PP spunbonded nonwoven fabric includes the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
Example 3:
the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
65 portions of polypropylene,
37 parts of ethylene-methyl methacrylate copolymer,
20 parts of polyethylene glycol monomethyl ether,
4 parts of maleic anhydride grafted polypropylene,
4.2 parts of large-aperture hollow silica nano particles,
3.2 parts of nano silver-loaded titanium dioxide,
And 8 parts of a filler.
In this embodiment, the antibacterial PP spunbonded nonwoven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 3.5 parts.
In this example, the ethylene-methyl methacrylate copolymer had a molar ratio of monomer units of ethylene to methyl methacrylate of 1: 0.36.
in this example, the large-pore hollow silica nanoparticles had a particle size of 170nm and a pore size of 45 nm.
In this example, the filler is a mixture of sepiolite powder and pearl powder.
In this embodiment, the mass ratio of the sepiolite powder to the pearl powder in the mixture of sepiolite powder and pearl powder is 1: 0.72.
in this embodiment, the particle sizes of the sepiolite powder and the pearl powder are 6000 meshes.
The preparation method of the antibacterial PP spunbonded non-woven fabric comprises the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
Example 4:
the antibacterial PP spunbonded non-woven fabric is prepared from the following raw materials in parts by weight:
60 portions of polypropylene,
33.5 parts of ethylene-methyl methacrylate copolymer,
18 parts of polyethylene glycol monomethyl ether,
3 parts of maleic anhydride grafted polypropylene,
3.6 parts of large-aperture hollow silica nano particles,
2.9 portions of nano silver-carrying titanium dioxide,
6.5 parts of a filler.
In this embodiment, the antibacterial PP spunbonded nonwoven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: and 3 parts.
In this example, the ethylene-methyl methacrylate copolymer had a molar ratio of monomer units of ethylene to methyl methacrylate of 1: 0.34.
in this example, the large-pore hollow silica nanoparticles had a particle size of 160nm and a pore size of 40 nm.
In this example, the filler is a mixture of sepiolite powder and pearl powder.
In this embodiment, the mass ratio of the sepiolite powder to the pearl powder in the mixture of sepiolite powder and pearl powder is 1: 0.66.
in this embodiment, the particle sizes of the sepiolite powder and the pearl powder are 5000 meshes.
The preparation method of the antibacterial PP spunbonded non-woven fabric comprises the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
Comparative example 1:
the difference from example 4 is that no ethylene-methyl methacrylate copolymer is present, and the other is the same as example 4.
Comparative example 2:
the difference from example 4 is that no polyethylene glycol monomethyl ether is present, and the other is the same as example 4.
Comparative example 3:
the difference from example 4 is that there are no large-pore hollow silica nanoparticles, and the other is the same as example 4.
Comparative example 4:
the difference from example 4 is that there is no nano silver-loaded titanium dioxide, and the rest is the same as example 4.
Comparative example 5:
the difference from example 4 is that there is no filler, and the other is the same as example 4.
Comparative example 6:
the difference from example 4 is that the filler is only sepiolite powder, no pearl powder, and the rest is the same as example 4.
The antibacterial PP spunbonded nonwoven fabrics obtained in examples 2 to 4 of the present invention and the PP spunbonded nonwoven fabrics obtained in comparative examples 1 to 6 were respectively subjected to the performance test, and the test results are shown in table 1.
TABLE 1
As can be seen from the above table, the antibacterial PP spunbonded non-woven fabric has good antibacterial effect and lasting antibacterial effect; the air permeability is high, the moisture absorption constant is large, the water absorption rate is high, the moisture absorption and air permeability performance is good, the skin friendliness is good, and the use comfort level is high; in addition, the antibacterial PP spun-bonded non-woven fabric has high breaking strength, good mechanical property and good durability; the comprehensive performance index is excellent, the comprehensive service performance is good, and the market application prospect is wide.
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 (9)
1. The antibacterial PP spunbonded non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:
55-65 parts of polypropylene,
30-37 parts of ethylene-methyl methacrylate copolymer,
16-20 parts of polyethylene glycol monomethyl ether,
2-4 parts of maleic anhydride grafted polypropylene,
3-4.2 parts of large-aperture hollow silica nanoparticles,
2.6 to 3.2 parts of nano silver-loaded titanium dioxide,
5-8 parts of a filler.
2. The antibacterial PP spunbonded nonwoven fabric according to claim 1, which is prepared from the following raw materials in parts by weight:
60 portions of polypropylene,
33.5 parts of ethylene-methyl methacrylate copolymer,
18 parts of polyethylene glycol monomethyl ether,
3 parts of maleic anhydride grafted polypropylene,
3.6 parts of large-aperture hollow silica nano particles,
2.9 portions of nano silver-carrying titanium dioxide,
6.5 parts of a filler.
3. The antibacterial PP spunbonded nonwoven fabric according to claim 1, further comprising the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 to 3.5 portions.
4. The antibacterial PP spunbonded nonwoven as claimed in claim 1, wherein the ethylene-methyl methacrylate copolymer has a monomer unit ethylene and methyl methacrylate content molar ratio of 1: 0.32 to 0.36.
5. The antibacterial PP spunbonded nonwoven fabric according to claim 1, wherein the large-aperture hollow silica nanoparticles have a particle size of 150 to 170nm and an aperture of 35 to 45 nm.
6. The antibacterial PP spunbonded nonwoven as claimed in claim 1, wherein the filler is a mixture of sepiolite powder and pearl powder.
7. The antibacterial PP spunbonded nonwoven fabric according to claim 6, wherein the mass ratio of the sepiolite powder to the pearl powder in the mixture of the sepiolite powder and the pearl powder is 1: 0.6 to 0.72.
8. The antibacterial PP spunbonded nonwoven fabric according to claim 7, wherein the particle sizes of the sepiolite powder and the pearl powder are 4000-6000 meshes.
9. A process for the preparation of an antibacterial PP spunbonded nonwoven according to any one of claims 1 to 8, characterized in that it comprises the following steps:
A. weighing the raw materials of the antibacterial PP spun-bonded non-woven fabric according to the parts by weight, drying the raw materials respectively, and mixing the raw materials uniformly to obtain a mixture;
B. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
C. and extruding, drawing, lapping and hot rolling the mixed melt to obtain the antibacterial PP spunbonded non-woven fabric.
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Cited By (3)
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| CN113576077A (en) * | 2021-07-29 | 2021-11-02 | 广州康滤净化科技有限公司 | Antiviral gauze mask of graphite alkene plane |
| CN113576076A (en) * | 2021-07-29 | 2021-11-02 | 广州康滤净化科技有限公司 | Antiviral gauze mask of folding of graphite alkene N95 |
| CN115161886A (en) * | 2022-07-05 | 2022-10-11 | 福建冠泓工业有限公司 | High-strength high-elasticity skin-friendly non-woven fabric and preparation method thereof |
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| CN115161886A (en) * | 2022-07-05 | 2022-10-11 | 福建冠泓工业有限公司 | High-strength high-elasticity skin-friendly non-woven fabric and preparation method thereof |
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