CN114753059B - Antibacterial deodorizing durable non-woven fabric and preparation method thereof - Google Patents
Antibacterial deodorizing durable non-woven fabric and preparation method thereof Download PDFInfo
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- CN114753059B CN114753059B CN202210367532.3A CN202210367532A CN114753059B CN 114753059 B CN114753059 B CN 114753059B CN 202210367532 A CN202210367532 A CN 202210367532A CN 114753059 B CN114753059 B CN 114753059B
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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 durable non-woven fabric and a preparation method thereof, wherein the antibacterial deodorizing durable 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, 5-7 parts of inorganic carrier and 2.5-4 parts of ultraviolet light resistant agent. The antibacterial deodorizing durable non-woven fabric has good antibacterial effect, lasting antibacterial effect and good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorizing effect; the breaking strength and the bursting strength are high, and the steel is durable; the rebound resilience is moderate, the softness is good, and the texture is good; good comprehensive use performance and wide market application prospect.
Description
The invention relates to an antibacterial deodorizing hot air non-woven fabric and a preparation method thereof, which are divisional patent application with the application number of 202010821973.7 and the application date of 2020, month and 15.
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to an antibacterial deodorizing durable 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 warps and wefts, is very convenient to cut and sew, is light in weight and easy to shape, and is deeply favored by handcraftsmen. Because it is a fabric formed without spinning cloth, only the textile short fibers or filaments are oriented or randomly arranged to form a fiber web structure, and then the fiber web structure is reinforced by mechanical, thermal or chemical methods.
The non-woven fabric is a non-woven fabric, which is formed by directly using polymer slices, short fibers or filaments to form a net by air flow or machinery, then performing water jet, needle punching, hot air or hot rolling to strengthen, and finally performing after-treatment. The novel fiber product with soft, breathable and planar structure has the advantages of no generation of fiber scraps, toughness, durability, silkiness, being a reinforcing material, cotton feeling, easy forming of non-woven fabrics and low cost compared with cotton.
The polypropylene fiber is melted and contracted near flame, is inflammable, burns slowly from fire and emits black smoke, the upper end of the flame is yellow, the lower end of the flame is blue, petroleum smell is emitted, and ashes after burning are hard, round and light yellow brown particles, and the hand twist is fragile. The polypropylene fiber comprises filaments (including undeformed filaments and bulked filaments), short fibers, mane filaments, split fibers, hollow fibers, profiled fibers, various composite fibers, nonwoven fabrics, and the like. The main uses are making carpets (including carpet backing and pile), decorative cloths, furniture cloths, various ropes, strips, fishing nets, linoleum, building reinforcing materials, packaging materials and industrial cloths, such as filter cloths, sacking cloths, etc. In addition, the fiber is widely applied to clothing, can be blended with various fibers to prepare different types of blended fabrics, and can be prepared into shirts, outerwear, sportswear, 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 hot air nonwoven fabric used at present has the following problems:
1. the antibacterial effect is poor, especially the durability of the antibacterial effect is poor;
2. has no deodorizing function or has poor deodorizing effect;
3. after being modified by adding the degradable material, the mechanical properties (breaking strength and bursting strength) of the hot air non-woven fabric have rebound resilience, softness, texture, moisture absorption and perspiration resistance and the like, so that the comprehensive use performance is poor and the application is hindered.
Disclosure of Invention
Based on the above circumstances, an object of the present invention is to provide an antibacterial deodorizing durable nonwoven fabric and a method for preparing the same, which can effectively solve the above problems. The antibacterial deodorizing durable non-woven fabric disclosed by the invention is prepared from selected raw materials, the content of each raw material is optimized, and polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver and nano titanium dioxide, porous diatomite and silica porous ceramic powder are selected, so that the advantages of the raw materials are fully exerted, the raw materials are mutually supplemented and mutually promoted, and the prepared antibacterial deodorizing durable non-woven fabric has a good antibacterial effect, is durable in antibacterial effect and has good antibacterial effects on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorizing effect; the breaking strength and the bursting strength are high, and the steel is durable; the rebound resilience is moderate, the softness is good, and the texture is good; good comprehensive use performance and wide market application prospect.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an antibacterial deodorizing durable non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
6 to 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 portions of antibacterial agent,
5-7 parts of inorganic carrier.
The antibacterial deodorizing durable non-woven fabric disclosed by the invention is prepared from selected raw materials, the content of each raw material is optimized, and polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver and nano titanium dioxide, porous diatomite and silica porous ceramic powder are selected, so that the advantages of the raw materials are fully exerted, the raw materials are mutually supplemented and mutually promoted, and the prepared antibacterial deodorizing durable non-woven fabric has a good antibacterial effect, is durable in antibacterial effect and has good antibacterial effects on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorizing effect; the breaking strength and the bursting strength are high, and the steel is durable; the rebound resilience is moderate, the softness is good, and the texture is good; good comprehensive use performance and wide market application prospect.
Preferably, the antibacterial deodorizing durable 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 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 silicon dioxide porous ceramic powder in the mixture of the porous diatomite and the silicon dioxide porous ceramic powder is 1: (0.62 to 0.71).
Preferably, the granularity of the porous diatomite is 100-200 meshes; the granularity of the silica porous ceramic powder is 100-200 meshes.
Preferably, the antibacterial deodorizing durable non-woven fabric further comprises the following raw materials in parts by weight: uv light inhibitor: 2.5 to 4 portions.
Preferably, the anti-UV agent is UV absorber UV-2908.
The ultraviolet aging resistance of the antibacterial deodorizing durable non-woven fabric prepared by the invention can be better improved.
The invention also provides a preparation method of the antibacterial deodorizing durable non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
Compared with the prior art, the invention has the following advantages:
the antibacterial deodorizing durable non-woven fabric disclosed by the invention is prepared from selected raw materials, the content of each raw material is optimized, and polypropylene, ethylene-propylene copolymer, metallocene linear low-density polyethylene, maleic anhydride grafted polypropylene, ethylene-vinyl acetate copolymer, nano silver and nano titanium dioxide, porous diatomite and silica porous ceramic powder are selected, so that the advantages of the raw materials are fully exerted, the raw materials are mutually supplemented and mutually promoted, and the prepared antibacterial deodorizing durable non-woven fabric has a good antibacterial effect, is durable in antibacterial effect and has good antibacterial effects on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; has good deodorizing effect; the breaking strength and the bursting strength are high, and the steel is durable; the rebound resilience is moderate, the softness is good, and the texture is good; good comprehensive use performance and wide market application prospect.
The antibacterial deodorizing durable non-woven fabric disclosed by the invention is added with the ethylene-propylene copolymer in a proper proportion and matched with the maleic anhydride grafted polypropylene (compatilizer) in a proper proportion, has good compatibility in a raw material system, and is matched with polypropylene, metallocene linear low-density polyethylene, ethylene-vinyl acetate copolymer and the like to play a good synergistic effect, so that the hot air bonding performance and softness of the antibacterial deodorizing durable non-woven fabric disclosed by the invention are improved, and the comprehensive use performances of the antibacterial deodorizing durable non-woven fabric disclosed by the invention such as breaking strength and bursting strength, rebound resilience, softness, texture and the like are ensured.
The metallocene linear low density polyethylene with proper proportion is added, and the maleic anhydride grafted polypropylene (compatilizer) with proper proportion is matched, so that the compatibility is good in the raw material system, the hot air bonding performance and the softness of the antibacterial deodorizing durable non-woven fabric are mainly improved, and the comprehensive use performances of the antibacterial deodorizing durable non-woven fabric, such as the mechanical properties (breaking strength and bursting strength), the rebound resilience, the softness, the texture and the like, are ensured.
The ethylene-vinyl acetate copolymer with proper proportion is added, so that the compatibility is good in a raw material system, the toughening effect is mainly achieved, the breaking strength and bursting strength of the antibacterial deodorizing durable non-woven fabric are improved, the mechanical property of the antibacterial deodorizing durable non-woven fabric is guaranteed, and the antibacterial deodorizing durable non-woven fabric is durable; has moderate rebound resilience, good softness and good texture.
A mixture of an antimicrobial agent and an inorganic carrier in a suitable ratio is added. The antibacterial agent is preferably a mixture of nano silver and nano titanium dioxide; the inorganic support is preferably a mixture of porous diatomaceous earth and silica porous ceramic powder. Wherein, nano silver and nano titanium dioxide are used as composite antibacterial agents; the porous diatomite and the silica porous ceramic powder are compounded with an inorganic carrier, and meanwhile, the function of reinforcing filler is achieved, so that the antibacterial effect of the antibacterial deodorizing durable non-woven fabric is improved, the antibacterial effect is durable, and the mechanical properties (breaking strength and bursting strength) of the antibacterial deodorizing durable non-woven fabric are improved. And the moisture absorption and sweat release performances and the deodorizing effects of the antibacterial deodorizing durable non-woven fabric can be greatly improved by introducing the porous diatomite and the silicon dioxide 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 to 0.71). Thus, the antibacterial effect and durability of the antibacterial deodorizing durable non-woven fabric are better improved, and the mechanical properties (breaking strength and bursting strength) of the antibacterial deodorizing durable non-woven fabric are better improved.
The granularity of the porous diatomite is preferably 100-200 meshes; the particle size of the silica porous ceramic powder is preferably 100 to 200 mesh. Thus, after the treatment in the step B, part of nano silver and nano titanium dioxide enter the internal pore structure of the porous diatomite and the silica porous ceramic powder, so that the durability of the antibacterial deodorizing durable non-woven fabric can be greatly improved.
The preparation method of the antibacterial deodorizing durable non-woven fabric has the advantages of simple process, simplicity and convenience in operation, and capability of adopting a hot air process commonly used in the field, thereby saving manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials, unless otherwise specified, are obtained from conventional commercial sources or prepared in conventional manner.
Example 1:
an antibacterial deodorizing durable non-woven fabric is prepared from the following raw materials in parts by weight:
75-85 parts of polypropylene,
6 to 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 portions of antibacterial agent,
5-7 parts of inorganic carrier.
In this embodiment, the antibacterial deodorizing durable nonwoven fabric is preferably, but not limited to, made of raw materials including the following 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 inorganic carrier.
In this embodiment, the antimicrobial agent is preferably, but not limited to, a mixture of nano silver and nano titanium dioxide; the inorganic support is preferably, but not limited to, a mixture of porous diatomaceous earth and silica porous ceramic powder.
In this embodiment, the mass ratio of nano silver to nano titanium dioxide in the mixture of nano silver and nano titanium dioxide is preferably but not limited to 1: (0.16-0.19); the mass ratio of the porous diatomite to the silica porous ceramic powder in the mixture of the porous diatomite and the silica porous ceramic powder is preferably but not limited to 1: (0.62 to 0.71).
In this embodiment, the porous diatomaceous earth preferably has a particle size of, but not limited to, 100 to 200 mesh; the particle size of the silica porous ceramic powder is preferably, but not limited to, 100 to 200 mesh.
In this embodiment, the antibacterial deodorizing durable nonwoven fabric preferably, but not limited to, further comprises the following raw materials in parts by weight: uv light inhibitor: 2.5 to 4 portions.
In this embodiment, the anti-UV agent is preferably, but not limited to, UV absorber UV-2908.
The ultraviolet aging resistance of the antibacterial deodorizing durable non-woven fabric prepared by the invention can be better improved.
The embodiment also provides a preparation method of the antibacterial deodorizing durable non-woven fabric, which comprises the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
Example 2:
an antibacterial deodorizing durable 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,
And 5 parts of inorganic carrier.
In this embodiment, the antimicrobial 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 silicon dioxide porous ceramic powder in the mixture of the porous diatomite and the silicon dioxide porous ceramic powder is 1:0.62.
in this example, the porous diatomaceous earth has a particle size of 100 mesh; the granularity of the silica porous ceramic powder is 100 meshes.
In this embodiment, the antibacterial deodorizing durable nonwoven fabric further comprises the following raw materials in parts by weight: uv light inhibitor: 2.5 parts.
In this embodiment, the ultraviolet light blocking agent is an ultraviolet light absorber UV-2908.
In this embodiment, the method for preparing the antibacterial deodorizing durable nonwoven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
Example 3:
an antibacterial deodorizing durable 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,
Maleic anhydride grafted polypropylene 5 parts,
Ethylene-vinyl acetate copolymer 5 parts,
2.5 parts of antibacterial agent,
And 7 parts of inorganic carrier.
In this embodiment, the antimicrobial 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 silicon dioxide porous ceramic powder in the mixture of the porous diatomite and the silicon dioxide porous ceramic powder is 1:0.71.
in this example, the porous diatomaceous earth has a particle size of 200 mesh; the granularity of the silica porous ceramic powder is 200 meshes.
In this embodiment, the antibacterial deodorizing durable nonwoven fabric further comprises the following raw materials in parts by weight: uv light inhibitor: 4 parts.
In this embodiment, the ultraviolet light blocking agent is an ultraviolet light absorber UV-2908.
In this embodiment, the method for preparing the antibacterial deodorizing durable nonwoven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
Example 4:
an antibacterial deodorizing durable 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 inorganic carrier.
In this embodiment, the antimicrobial 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 silicon dioxide porous ceramic powder in the mixture of the porous diatomite and the silicon dioxide porous ceramic powder is 1:0.67.
in this example, the porous diatomaceous earth has a particle size of 150 mesh; the granularity of the silica porous ceramic powder is 150 meshes.
In this embodiment, the antibacterial deodorizing durable nonwoven fabric further comprises the following raw materials in parts by weight: uv light inhibitor: 3.4 parts.
In this embodiment, the ultraviolet light blocking agent is an ultraviolet light absorber UV-2908.
In this embodiment, the method for preparing the antibacterial deodorizing durable nonwoven fabric includes the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
Comparative example 1:
the difference from example 4 is that there is no porous diatomaceous earth and silica porous ceramic powder, and the other is the same as in example 4.
Comparative example 2:
the difference from example 4 is that nano silver is replaced with nano titanium dioxide, and the other is the same as example 4.
Performance test: the antibacterial deodorizing durable nonwoven fabrics obtained in examples 2 to 4 of the present invention and the hot air nonwoven fabrics obtained in comparative examples 1 to 2 were respectively prepared into hot air nonwoven fabric facings of the same specification by the same process (hot air process), and performance tests were respectively performed, and the test results are shown in table 1.
TABLE 1
As can be seen from the table, the antibacterial deodorizing durable non-woven fabric has good antibacterial effect, lasting antibacterial effect and good antibacterial effect on various bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like; the breaking strength and the bursting strength are high, and the utility model is durable.
Further, the transverse breaking strength was tested to be close to the longitudinal breaking strength.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the invention, and the scope of the invention should be defined by the appended 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 such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (2)
1. The preparation method of the antibacterial deodorizing durable non-woven fabric is characterized in that the antibacterial deodorizing hot air non-woven fabric is prepared from the following raw materials in parts by weight:
80-85 parts of polypropylene,
6 to 8 parts of ethylene-propylene copolymer,
15.5 to 18 parts of metallocene linear low density polyethylene,
3-4 parts of maleic anhydride grafted polypropylene,
3 to 5 parts of ethylene-vinyl acetate copolymer,
2.3 to 2.5 portions of antibacterial agent,
5-7 parts of inorganic carrier;
2.5-4 parts of ultraviolet light resistant agent;
the antibacterial agent is a mixture of nano silver and nano titanium dioxide, and the mass ratio of the nano silver to the nano titanium dioxide is 1: (0.16-0.19);
the inorganic carrier is a mixture of porous diatomite and silica porous ceramic powder, and the mass ratio of the porous diatomite to the silica porous ceramic powder is 1: (0.62 to 0.71); the granularity of the porous diatomite is 100-200 meshes; the granularity of the silica porous ceramic powder is 100-200 meshes;
the ultraviolet light resistant agent is an ultraviolet absorbent UV-2908;
the preparation method comprises the following steps:
A. weighing the raw materials of the antibacterial deodorizing durable non-woven fabric according to parts by weight, and respectively drying for later use;
B. adding porous diatomite and silica porous ceramic powder into a superfine grinding machine, then adding nano silver and nano titanium dioxide, and grinding and dispersing uniformly until the granularity of the porous diatomite and the silica porous ceramic powder is more than or equal to 300 meshes to obtain 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. the mixture is sent into a double-screw extruder to be melted into mixed melt;
E. the mixed melt enters a spinning machine, is sprayed out of a spinneret plate to form yarn, and is subjected to air-blowing cooling, oiling and stretch-winding to obtain composite fibers;
F. and after the composite fibers are carded into a net, reinforcing the net through a hot air process to obtain the antibacterial deodorizing durable non-woven fabric.
2. An antibacterial deodorizing durable nonwoven fabric produced by the production method of claim 1.
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| CN113106633A (en) * | 2021-04-09 | 2021-07-13 | 福建澳杰无纺布科技有限公司 | Antibacterial PP (polypropylene) spun-bonded non-woven fabric and preparation method thereof |
| CN113136636B (en) * | 2021-05-12 | 2023-05-23 | 福建省福地化纤科技有限公司 | Super-absorbent ES composite fiber and preparation method thereof |
| CN113293512A (en) * | 2021-05-22 | 2021-08-24 | 冠和卫生用品有限公司 | Antibacterial skin-friendly non-woven fabric and preparation method thereof |
| CN116180327A (en) * | 2023-01-07 | 2023-05-30 | 浙江盛纺纳米材料科技有限公司 | Tensile non-woven fabric and production process thereof |
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