CN112111854A - Antibacterial and deodorizing hot-air non-woven fabric and preparation method thereof - Google Patents
Antibacterial and deodorizing hot-air non-woven fabric and preparation method thereof Download PDFInfo
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- CN112111854A CN112111854A CN202010821973.7A CN202010821973A CN112111854A CN 112111854 A CN112111854 A CN 112111854A CN 202010821973 A CN202010821973 A CN 202010821973A CN 112111854 A CN112111854 A CN 112111854A
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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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses an antibacterial deodorizing hot-air non-woven fabric and a preparation method thereof, wherein the antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight: 75-85 parts of polypropylene, 6-8 parts of ethylene-propylene copolymer, 13-18 parts of metallocene linear low-density polyethylene, 3-5 parts of maleic anhydride grafted polypropylene, 3-5 parts of ethylene-vinyl acetate copolymer, 2.3-2.5 parts of antibacterial agent and 5-7 parts of inorganic carrier. The antibacterial deodorizing hot-air non-woven fabric has a good antibacterial effect, is durable, and has a good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorization effect; the breaking strength and the bursting strength are high, and the cable is durable; the rebound resilience is moderate, the softness is good, and the texture is good; 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 deodorizing hot-air 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.
The non-woven fabric is a non-woven fabric which is formed by directly utilizing high polymer slices, short fibers or filaments to form a net through air flow or machinery, then carrying out spunlace, needling, hot air or hot rolling reinforcement, and finally carrying out after-treatment. A novel fiber product having a soft, air-permeable and planar structure, which is strong, durable, silky and soft without generating lint, is one of reinforcing materials, and has a cotton-like feel, and a nonwoven fabric is easy to form and inexpensive as compared with cotton.
The polypropylene fiber is fused and contracted near flame, is inflammable, burns slowly away from the fire and emits black smoke, the upper end of the flame is yellow, the lower end of the flame is blue, the petroleum smell is emitted, and the burnt ash is hard round and light yellow brown particles which are twisted by hands and are easy to break. The polypropylene fiber varieties include filaments (including non-textured filaments and bulked textured filaments), short fibers, bristles, split fibers, hollow fibers, profiled fibers, various composite fibers, nonwoven fabrics and the like. The main application is to manufacture carpets (including carpet backing cloth and suede), decorative fabrics, furniture cloth, various ropes, strips, fishing nets, oil absorption felts, building reinforcing materials, packaging materials and industrial cloth, such as filter cloth, bag cloth and the like. In addition, the application in the aspect of clothing is gradually wide, the fiber can be blended with various fibers to prepare different types of blended fabrics, and the blended fabrics can be made into shirts, coats, sports coats, socks and the like after knitting processing. The quilt made of polypropylene hollow fiber has light weight, good heat preservation and good elasticity.
However, the currently used through-air nonwoven fabric has the following problems:
1. the antibacterial effect is poor, and particularly, the durability of the antibacterial effect is poor;
2. no deodorizing function, or poor deodorizing effect;
3. after the degradable material is added for modification, the hot air non-woven fabric has great downward sliding in mechanical properties (fracture strength and bursting strength), rebound resilience, flexibility, texture, moisture absorption and sweat releasing performance and the like, so that the comprehensive use performance is poor and the application is blocked.
Disclosure of Invention
Based on the above situation, the present invention aims to provide an antibacterial deodorizing hot-air non-woven fabric and a preparation method thereof, which can effectively solve the above problems. The antibacterial deodorizing hot-air non-woven fabric disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material, selecting polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully playing respective advantages, complementing and promoting each other, and the prepared antibacterial deodorizing hot-air non-woven fabric has a good antibacterial effect, is durable in antibacterial effect, and has a good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorization effect; the breaking strength and the bursting strength are high, and the cable is durable; the rebound resilience is moderate, the softness is good, and the texture is good; the comprehensive service performance is good, and the market application prospect is wide.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
6-8 parts of ethylene-propylene copolymer,
13-18 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
3 to 5 parts of ethylene-vinyl acetate copolymer,
2.3 to 2.5 parts of antibacterial agent,
5-7 parts of an inorganic carrier.
The antibacterial deodorizing hot-air non-woven fabric disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material, selecting polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully playing respective advantages, complementing and promoting each other, and the prepared antibacterial deodorizing hot-air non-woven fabric has a good antibacterial effect, is durable in antibacterial effect, and has a good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorization effect; the breaking strength and the bursting strength are high, and the cable is durable; the rebound resilience is moderate, the softness is good, and the texture is good; the comprehensive service performance is good, and the market application prospect is wide.
Preferably, the antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
7 parts of ethylene-propylene copolymer,
15.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
4 parts of ethylene-vinyl acetate copolymer,
2.4 parts of antibacterial agent,
6 parts of an inorganic carrier.
Preferably, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
Preferably, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: (0.62-0.71).
Preferably, the particle size of the porous diatomite is 100-200 meshes; the particle size of the silicon dioxide porous ceramic powder is 100-200 meshes.
Preferably, the antibacterial deodorizing hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
Preferably, the ultraviolet light resisting agent is an ultraviolet absorbent UV-2908.
The ultraviolet aging resistance of the antibacterial deodorizing hot-air non-woven fabric prepared by the invention can be better improved.
The invention also provides a preparation method of the antibacterial deodorizing hot-air non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the antibacterial deodorizing hot-air non-woven fabric disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material, selecting polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver, nano titanium dioxide, porous diatomite and silicon dioxide porous ceramic powder, fully playing respective advantages, complementing and promoting each other, and the prepared antibacterial deodorizing hot-air non-woven fabric has a good antibacterial effect, is durable in antibacterial effect, and has a good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorization effect; the breaking strength and the bursting strength are high, and the cable is durable; the rebound resilience is moderate, the softness is good, and the texture is good; the comprehensive service performance is good, and the market application prospect is wide.
The antibacterial deodorizing hot-air non-woven fabric is added with the ethylene-propylene copolymer in a proper proportion and is matched with the maleic anhydride grafted polypropylene (compatilizer) in a proper proportion, the compatibility of the antibacterial deodorizing hot-air non-woven fabric in the raw material system is good, the antibacterial deodorizing hot-air non-woven fabric is matched with the polypropylene, the metallocene linear low-density polyethylene, the ethylene-vinyl acetate copolymer and the like, a good synergistic effect is achieved, the hot-air bonding performance and the flexibility of the antibacterial deodorizing hot-air non-woven fabric are improved, and the comprehensive service performances of the antibacterial deodorizing hot-air non-woven fabric, such as the breaking strength and the bursting strength, the rebound resilience, the flexibility, the texture and the like, of the antibacterial deodorizing hot-air non-woven fabric are ensured.
The metallocene linear low-density polyethylene with a proper proportion is added, and the maleic anhydride grafted polypropylene (compatilizer) with a proper proportion is matched, so that the compatibility is good in the raw material system of the invention, the hot air bonding performance and the flexibility of the antibacterial deodorizing hot air non-woven fabric are mainly increased, and the comprehensive service performances of the antibacterial deodorizing hot air non-woven fabric, such as the mechanical properties (breaking strength and bursting strength), the rebound resilience, the flexibility, the texture and the like, are ensured.
The addition of the ethylene-vinyl acetate copolymer in a proper proportion in the raw material system of the invention has good compatibility and mainly plays a role in toughening, thus improving the breaking strength and bursting strength of the antibacterial deodorizing hot-air non-woven fabric, ensuring the mechanical property of the antibacterial deodorizing hot-air non-woven fabric and being durable; moderate rebound resilience, good softness and good texture.
A mixture of the antimicrobial agent and the inorganic carrier is added in an appropriate ratio. The antibacterial agent is preferably a mixture of nano silver and nano titanium dioxide; the inorganic carrier is preferably a mixture of porous diatomaceous earth and silica porous ceramic powder. Wherein, the nano silver and the nano titanium dioxide are used as the composite antibacterial agent; the porous diatomite and silica porous ceramic powder composite inorganic carrier plays a role of reinforcing filler, so that the antibacterial effect and the durability of the antibacterial deodorizing hot-air non-woven fabric are improved, and the mechanical properties (breaking strength and bursting strength) of the antibacterial deodorizing hot-air non-woven fabric are improved. And the moisture absorption and sweat releasing performance and the deodorization effect of the antibacterial deodorization hot air non-woven fabric can be greatly improved by introducing the porous diatomite and silica porous ceramic powder composite inorganic carrier.
The mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is preferably 1: (0.16-0.19); the mass ratio of the porous diatomaceous earth to the silica porous ceramic powder in the mixture of the porous diatomaceous earth and the silica porous ceramic powder is preferably 1: (0.62-0.71). Therefore, the antibacterial effect and the durability of the antibacterial deodorizing hot-air non-woven fabric are better improved, and the mechanical properties (breaking strength and bursting strength) of the antibacterial deodorizing hot-air non-woven fabric are better improved.
The granularity of the porous diatomite is preferably 100-200 meshes; the granularity of the silicon dioxide porous ceramic powder is preferably 100-200 meshes. After the treatment in the step B, part of the nano silver and the nano titanium dioxide enter the internal pore structures of the porous diatomite and the porous silicon dioxide ceramic powder, so that the durability of the antibacterial effect of the antibacterial deodorizing hot-air non-woven fabric can be greatly improved.
The preparation method of the antibacterial deodorizing hot-air non-woven fabric is simple in process and simple and convenient to operate, and can adopt a hot-air process commonly used in the field, so that manpower and equipment cost are saved.
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 deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
6-8 parts of ethylene-propylene copolymer,
13-18 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
3 to 5 parts of ethylene-vinyl acetate copolymer,
2.3 to 2.5 parts of antibacterial agent,
5-7 parts of an inorganic carrier.
In this embodiment, the antibacterial deodorizing hot-air non-woven fabric is preferably, but not limited to, made of raw materials including, by weight:
80 parts of polypropylene,
7 parts of ethylene-propylene copolymer,
15.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
4 parts of ethylene-vinyl acetate copolymer,
2.4 parts of antibacterial agent,
6 parts of an inorganic carrier.
In the present embodiment, the antibacterial agent is preferably, but not limited to, a mixture of nano silver and nano titanium dioxide; the inorganic carrier is preferably, but not limited to, a mixture of porous diatomaceous earth and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is preferably, but not limited to, 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is preferably, but not limited to, 1: (0.62-0.71).
In the embodiment, the particle size of the porous diatomite is preferably, but not limited to, 100-200 meshes; the particle size of the silicon dioxide porous ceramic powder is preferably, but not limited to, 100-200 meshes.
In this embodiment, the antibacterial deodorizing hot-air non-woven fabric preferably, but not limited to, further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
In this embodiment, the anti-UV agent is preferably, but not limited to, the UV absorber UV-2908.
The ultraviolet aging resistance of the antibacterial deodorizing hot-air non-woven fabric prepared by the invention can be better improved.
The embodiment also provides a preparation method of the antibacterial deodorizing hot-air non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
Example 2:
an antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
75 parts of polypropylene,
6 parts of ethylene-propylene copolymer,
13 parts of metallocene linear low-density polyethylene,
3 parts of maleic anhydride grafted polypropylene,
3 parts of ethylene-vinyl acetate copolymer,
2.3 parts of antibacterial agent,
5 parts of an inorganic carrier.
In the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.16; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.62.
in this example, the porous diatomaceous earth has a particle size of 100 mesh; the granularity of the silicon dioxide porous ceramic powder is 100 meshes.
In this embodiment, the antibacterial deodorizing hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the antibacterial deodorizing hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
Example 3:
an antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
85 parts of polypropylene,
8 parts of ethylene-propylene copolymer,
18 parts of metallocene linear low-density polyethylene,
5 parts of maleic anhydride grafted polypropylene,
5 parts of ethylene-vinyl acetate copolymer,
2.5 portions of antibacterial agent,
7 parts of an inorganic carrier.
In the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.19; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.71.
in this example, the porous diatomaceous earth has a particle size of 200 mesh; the granularity of the silicon dioxide porous ceramic powder is 200 meshes.
In this embodiment, the antibacterial deodorizing hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 4 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the antibacterial deodorizing hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
Example 4:
an antibacterial deodorizing hot-air non-woven fabric is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
7 parts of ethylene-propylene copolymer,
15.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
4 parts of ethylene-vinyl acetate copolymer,
2.4 parts of antibacterial agent,
6 parts of an inorganic carrier.
In the embodiment, the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
In this embodiment, the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: 0.175; the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: 0.67.
in this example, the porous diatomaceous earth has a particle size of 150 mesh; the granularity of the silicon dioxide porous ceramic powder is 150 meshes.
In this embodiment, the antibacterial deodorizing hot-air non-woven fabric further comprises the following raw materials in parts by weight: anti-ultraviolet light agent: 3.4 parts.
In this embodiment, the anti-UV agent is UV-2908, an ultraviolet absorber.
In this embodiment, the method for preparing the antibacterial deodorizing hot-air non-woven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
Comparative example 1:
the difference from example 4 is that there are no porous diatomaceous earth and silica porous ceramic powder, and the other is the same as example 4.
Comparative example 2:
the difference from the example 4 is that the nano silver is replaced by nano titanium dioxide, and the rest is the same as the example 4.
And (3) performance testing: the antibacterial deodorizing hot-air non-woven fabrics obtained in examples 2 to 4 of the present invention and the hot-air non-woven fabrics obtained in comparative examples 1 to 2 were subjected to the same process (hot-air process) to prepare hot-air non-woven fabric surface layers of the same specification, and the performance test was performed, and the test results are shown in table 1.
TABLE 1
As can be seen from the above table, the antibacterial and deodorizing hot air non-woven fabric has a good antibacterial effect, is durable, and has a good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; high breaking strength and bursting strength and high durability.
In addition, the transverse rupture strength was tested to be close to the longitudinal rupture strength.
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 (8)
1. The antibacterial deodorizing hot-air non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
6-8 parts of ethylene-propylene copolymer,
13-18 parts of metallocene linear low-density polyethylene,
3-5 parts of maleic anhydride grafted polypropylene,
3 to 5 parts of ethylene-vinyl acetate copolymer,
2.3 to 2.5 parts of antibacterial agent,
5-7 parts of an inorganic carrier.
2. The antibacterial deodorizing hot-air non-woven fabric according to claim 1, which is prepared from the following raw materials in parts by weight:
80 parts of polypropylene,
7 parts of ethylene-propylene copolymer,
15.5 parts of metallocene linear low-density polyethylene,
4 parts of maleic anhydride grafted polypropylene,
4 parts of ethylene-vinyl acetate copolymer,
2.4 parts of antibacterial agent,
6 parts of an inorganic carrier.
3. The antibacterial deodorizing warm-air nonwoven fabric according to any one of claims 1 or 2, characterized in that the antibacterial agent is a mixture of nano silver and nano titanium dioxide; the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder.
4. The antibacterial deodorizing hot-air non-woven fabric according to claim 3, wherein the mass ratio of the nano silver to the nano titanium dioxide in the mixture of the nano silver and the nano titanium dioxide is 1: (0.16-0.19); the mass ratio of the porous diatomite to the porous silica ceramic powder in the mixture of the porous diatomite and the porous silica ceramic powder is 1: (0.62-0.71).
5. The antibacterial deodorizing hot-air non-woven fabric according to claim 4, wherein the porous diatomaceous earth has a particle size of 100 to 200 mesh; the particle size of the silicon dioxide porous ceramic powder is 100-200 meshes.
6. The antibacterial deodorizing hot-air non-woven fabric according to claim 5, further comprising the following raw materials in parts by weight: anti-ultraviolet light agent: 2.5-4 parts.
7. The antibacterial and deodorant hot-air non-woven fabric according to claim 6, wherein the ultraviolet light resistant agent is an ultraviolet absorber UV-2908.
8. A method for preparing the antibacterial deodorizing warm-air nonwoven fabric according to any one of claims 4 to 7, characterized by comprising the steps of:
A. weighing the raw materials of the antibacterial deodorizing hot-air non-woven fabric according to parts by weight, and drying the raw materials respectively for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinder, then adding nano silver and nano titanium dioxide, grinding and dispersing uniformly until the particle sizes of the porous diatomite and the silica porous ceramic powder are more than or equal to 300 meshes, and obtaining an inorganic composite filler;
C. uniformly mixing the inorganic composite filler with polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene and ethylene-vinyl acetate copolymer to obtain a mixture;
D. feeding the mixture into a double-screw extruder to be melted into a mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out from a spinneret plate to form a strand silk, and then is subjected to air blowing cooling, oiling, stretching and winding to obtain a composite fiber;
F. after the composite fibers are carded into a net, the antibacterial deodorizing hot-air non-woven fabric is obtained through hot-air process reinforcement.
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114753059B (en) | 2023-06-13 |
| CN112111854B (en) | 2022-06-10 |
| CN114753059A (en) | 2022-07-15 |
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