CN113123016A - Preparation method of PHES (polyhydroxybutyrate-hydroxyvalerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate-hydroxyvalerate) material and having antibacterial and antiviral effects - Google Patents
Preparation method of PHES (polyhydroxybutyrate-hydroxyvalerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate-hydroxyvalerate) material and having antibacterial and antiviral effects Download PDFInfo
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- CN113123016A CN113123016A CN202110242746.3A CN202110242746A CN113123016A CN 113123016 A CN113123016 A CN 113123016A CN 202110242746 A CN202110242746 A CN 202110242746A CN 113123016 A CN113123016 A CN 113123016A
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- phes
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- woven fabric
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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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- 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
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester 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
- 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
- D04H1/559—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 the fibres being within layered webs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects. The PHES hot air non-woven fabric has the advantages that the PHBV particle component treated by plasma is added in the ES fiber spinning process, the adhesion effect is better, the hot air non-woven fabric combined with ES fibers can fully embody the antibacterial and bacteriostatic performance of the formed PHES hot air non-woven fabric, has a longer-acting antibacterial and antiviral function, contains low-polymerization-degree butyrate valerate (PHB), can destroy the cell walls of microorganisms such as bacteria and the like and the cell membranes of viruses, and leads the content in the PHES hot air non-woven fabric to leak out, so that the metabolism is unbalanced, thereby inhibiting the breeding of the bacteria and inactivating the viruses, achieving the antibacterial and antiviral effect, and being widely applied to producing masks, washcloths, paper diapers, sanitary towel surface base fabrics and the like.
Description
Technical Field
The invention relates to the technical field of antibacterial and bacteriostatic fabrics, in particular to a preparation method of PHES (polyhydroxybutyrate valerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate valerate) materials and having antibacterial and antiviral effects.
Background
In recent years, with the improvement of economic development level, people do not meet the basic requirements of warmth retention and comfort any more, but expect that the textile has new additional functions, such as health care and safety functions of antibiosis, deodorization, mite prevention, negative ion, ultraviolet prevention, radiation protection, far infrared, flame retardance, water and oil repellency, fragrance and the like. The biomass textile is an important textile, can meet the requirements of people on the diversity and functionality of the textile while meeting the requirements of low-carbon economy, sustainable development and regulation, and can meet the requirements of various industries for use.
The facing layer in the prior art is usually a nonwoven fabric made of ES fibers. The ES fiber is a composite fiber with a bi-component sheath-core structure, the sheath component has low melting point and good flexibility, and the core component has high melting point and high strength. The non-woven fabric made of the ES fibers through hot air or hot rolling is soft and comfortable to use. The ES fiber and the cellulose fiber can play a certain role in antibiosis and antivirus by blending, but the antibiosis and antivirus applicability is not wide enough, the persistence is relatively low, and the effect of inhibiting/eliminating certain viruses such as new coronavirus which is widely spread under the line is not ideal.
In order to solve the problems, the scheme is developed accordingly.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of PHES (polyhydroxybutyrate valerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate valerate) materials with antibacterial and antiviral effects, and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects comprises the following steps:
the method comprises the following steps: PHBV granular material pretreatment: carrying out plasma treatment on the PHBV by using oxygen as a carrier to generate-C-O-polar groups on the surface of the PHBV material, and generating a honeycomb surface and drying the honeycomb surface;
step two: preparing PHES fiber: adding the weighed PHBV particles into an ES fiber spinning process consisting of a skin layer master batch and a core layer master batch to prepare PHES fibers;
step three: mixing PHES fibers and polyolefin fibers, carding the mixed fibers into a fiber web by a carding machine, overlapping the two fiber layers, and sending the fiber web into a hot air oven for hot air penetration bonding to obtain the PHES hot air non-woven fabric.
Preferably, the plasma treatment in the step one is carried out under the conditions of frequency of 10-15MHz, vacuum degree of 120-145Pa and discharge power of 80-120W.
Preferably, the spinning process in the second step is as follows: respectively putting the skin layer master batch and the core layer master batch into corresponding screw extruder hoppers, and extruding skin layer melt liquid and core layer melt liquid; providing the melt liquid to a spinneret plate component through a corresponding path, extruding the melt liquid through a spinneret of the spinneret plate component at high pressure for spinning, and adding the weighed PHBV particles in the spinning process; the obtained ES fiber is subjected to air cooling, stretching, immersion, secondary stretching, drying and cutting to obtain the PHES fiber.
Preferably, in the spinning process of the second step, high-pressure fine water flow is sprayed onto the fiber yarns, then the electrostatic fluidized bed with the PHBV powder subjected to the first step and doped with 1-10 percent is introduced, the PHBV powder in a suspended state and charged makes movement penetrating through the fiber yarns under the control of an electrostatic field, and finally deposits in the fiber yarns and adheres to the surfaces of the fiber yarns. Specifically, an electric field generated by an electrostatic generator is adopted, and the electrostatic voltage is 50-70 kV.
Preferably, in the second step, the core layer master batch is a PP polypropylene material, the skin layer master batch is a PET polyethylene terephthalate material, and the volume ratio of the two materials is 20-80 to 80-20.
Preferably, the temperature of a hopper of the screw extruder is 180-250 ℃, and the temperature of the extruded spinning is 150-200 ℃.
Preferably, the heat bonding temperature in the third step is 160-180 ℃, the pressure is 0.5-0.7MPa, and the production speed is 22-25 m/r.
The main equipment for weaving the hot-air non-woven fabric is a hot-air bonding machine, and comprises an inlet and outlet part, a drying room, a fiber web conveying system, a hot air circulation device, a temperature control device, an electric device and the like. The drying room mainly comprises a machine frame, an air nozzle and the like, the fiber web conveying system comprises a tensioning and flat net and the like, and the hot air circulation comprises a circulating fan, a guide plate and the like. The fiber web is carded by a carding machine, is flatly paved on a conveying mesh belt of a hot air bonding machine in a mesh form, and is placed below the conveying mesh belt to be provided with a suction air box before formally entering a drying room for treatment, and a suction fan forms negative pressure to enable the fibers to be adsorbed on the mesh belt and be conveyed into the drying room of the hot air bonding machine.
(III) advantageous effects
After adopting the technical scheme, compared with the prior art, the invention has the following advantages: the PHES hot-air non-woven fabric which is formed by combining the blending of the ES fibers can fully reflect the antibacterial and bacteriostatic properties and the like of the PHES hot-air non-woven fabric, has a long-acting antibacterial and antiviral function, and can be widely applied to producing masks, bath towels, paper diapers, sanitary towel surface layer base fabrics and the like.
Detailed Description
The present invention is further illustrated by the following examples.
A preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects comprises the following steps:
the method comprises the following steps: PHBV granular material pretreatment: carrying out plasma treatment on PHBV by using oxygen as a carrier under the conditions of frequency of 10-15MHz, vacuum degree of 120-145Pa and discharge power of 80-120W to generate-C-O-polar groups on the surface of the PHBV material, generating a honeycomb surface and drying;
step two: preparing PHES fiber: adding the weighed PHBV particles into an ES fiber spinning process consisting of a skin layer master batch and a core layer master batch to prepare PHES fibers;
the specific spinning process comprises the following steps: respectively putting the skin layer master batch of the PET polyethylene terephthalate material and the core layer master batch of the PP polypropylene material which are in a volume ratio of 80-20 to 20-80 into corresponding hoppers of a screw extruder, wherein the temperature of the extrusion spinning is 180-250 ℃, the temperature of the extrusion spinning is 150-200 ℃, and the skin layer melt liquid and the core layer melt liquid are extruded; providing the melt liquid to a spinneret plate component through a corresponding path, extruding the melt liquid through a spinneret of the spinneret plate component at high pressure for spinning, and adding the weighed PHBV particles in the spinning process; the obtained ES fiber is subjected to air cooling, stretching, immersion, secondary stretching, drying and cutting to obtain the PHES fiber.
In the spinning process, high-pressure micro water flow is sprayed onto the fiber yarns, then an electrostatic fluidized bed with the PHBV powder mixed in the amount of 1-10% is introduced, the PHBV powder in a suspended state and charged moves through the fiber yarns under the control of an electrostatic field, and finally deposits in the fiber yarns and adheres to the surfaces of the fiber yarns.
Specifically, an electric field generated by an electrostatic generator is adopted, and the electrostatic voltage is 50-70 kV.
Step three: mixing PHES fibers and polyolefin fibers, carding the mixed fibers into a fiber web by a carding machine, overlapping the two fiber layers, and sending the fiber web into a hot air oven with the thermal bonding temperature of 160-180 ℃, the pressure of 0.5-0.7MPa and the production speed of 22-25m/r for hot air penetration bonding to obtain the PHES hot air non-woven fabric.
The PHBV component treated by plasma is added in the ES fiber spinning process, so that the adhesion effect is better, and the performances of antibiosis, bacteriostasis and the like of the formed spunlace non-woven fabric are more durable; and the low-polymerization-degree butyrate valerate (PHBV) is contained, so that cell walls of microorganisms such as bacteria and the like and cell membranes of viruses can be destroyed, the contents in the microorganisms are leaked out, the metabolism is unbalanced, the breeding of the bacteria and the inactivation of the viruses are inhibited, and the antibacterial and antiviral effects are achieved. Can well inhibit common escherichia coli, staphylococcus aureus, candida albicans and klebsiella pneumoniae, can play a role in resisting bacteria and viruses, has no peculiar smell after long-term use, and fully embodies the properties of resisting bacteria, inhibiting bacteria and the like.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.
Claims (6)
1. A preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: PHBV granular material pretreatment: carrying out plasma treatment on the PHBV by using oxygen as a carrier to generate-C-O-polar groups on the surface of the PHBV material, and generating a honeycomb surface and drying the honeycomb surface;
step two: preparing PHES fiber: adding the weighed PHBV particles into an ES fiber spinning process consisting of a skin layer master batch and a core layer master batch to prepare PHES fibers;
step three: mixing PHES fibers and polyolefin fibers, carding the mixed fibers into a fiber web by a carding machine, overlapping the two fiber layers, and sending the fiber web into a hot air oven for hot air penetration bonding to obtain the PHES hot air non-woven fabric.
2. The preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects as claimed in claim 1, wherein the preparation method comprises the following steps: the spinning process in the second step is as follows: respectively putting the skin layer master batch and the core layer master batch into corresponding screw extruder hoppers, and extruding skin layer melt liquid and core layer melt liquid; providing the melt liquid to a spinneret plate component through a corresponding path, extruding the melt liquid through a spinneret of the spinneret plate component at high pressure for spinning, and adding the weighed PHBV particles in the spinning process; the obtained ES fiber is subjected to air cooling, stretching, immersion, secondary stretching, drying and cutting to obtain the PHES fiber.
3. The preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects as claimed in claim 2, wherein the preparation method comprises the following steps: in the spinning process of the second step, high-pressure micro water flow is sprayed onto the fiber yarns, then the electrostatic fluidized bed with the PHBV powder mixed in the first step and the doping amount of 1-10 percent is introduced, the PHBV powder in a suspension state and charged makes movement penetrating through the fiber yarns under the control of an electrostatic field, and finally deposits in the fiber yarns and adheres to the surfaces of the fiber yarns.
4. The preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects as claimed in claim 1, wherein the preparation method comprises the following steps: in the second step, the core layer master batch is a PP polypropylene material, the skin layer master batch is a PET polyethylene terephthalate material, and the volume ratio of the core layer master batch to the skin layer master batch is 20-80 to 80-20.
5. The preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects as claimed in claim 2, wherein the preparation method comprises the following steps: the temperature of a hopper of the screw extruder is 180-250 ℃, and the temperature of extruded spinning is 150-200 ℃.
6. The preparation method of PHES hot-air non-woven fabric containing PHBV material with antibacterial and antiviral effects as claimed in claim 1, wherein the preparation method comprises the following steps: in the third step, the heat bonding temperature is 160-180 ℃, the pressure is 0.5-0.7MPa, and the production speed is 22-25 m/r.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110242746.3A CN113123016A (en) | 2021-03-05 | 2021-03-05 | Preparation method of PHES (polyhydroxybutyrate-hydroxyvalerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate-hydroxyvalerate) material and having antibacterial and antiviral effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110242746.3A CN113123016A (en) | 2021-03-05 | 2021-03-05 | Preparation method of PHES (polyhydroxybutyrate-hydroxyvalerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate-hydroxyvalerate) material and having antibacterial and antiviral effects |
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| Publication Number | Publication Date |
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| CN113123016A true CN113123016A (en) | 2021-07-16 |
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| CN202110242746.3A Pending CN113123016A (en) | 2021-03-05 | 2021-03-05 | Preparation method of PHES (polyhydroxybutyrate-hydroxyvalerate) hot-air non-woven fabric containing PHBV (polyhydroxybutyrate-hydroxyvalerate) material and having antibacterial and antiviral effects |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113584725A (en) * | 2021-07-20 | 2021-11-02 | 南京禾素时代抗菌材料科技有限公司 | Preparation process of PHBV and PLA biodegradable antibacterial deodorizing spunbonded nonwoven fabric |
| WO2022048369A1 (en) * | 2020-09-04 | 2022-03-10 | 南京禾素时代抗菌材料科技有限公司 | Phbv material-blended antibacterial and antiviral es fiber and preparation method therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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