CN111691182A - Surface treatment process for plant fiber - Google Patents
Surface treatment process for plant fiber Download PDFInfo
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- CN111691182A CN111691182A CN202010707226.0A CN202010707226A CN111691182A CN 111691182 A CN111691182 A CN 111691182A CN 202010707226 A CN202010707226 A CN 202010707226A CN 111691182 A CN111691182 A CN 111691182A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/20—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of natural origin
- D06M14/22—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/54—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur dioxide; with sulfurous acid or its salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Abstract
The invention relates to a surface treatment process of plant fiber, which comprises the steps of soaking the dried plant fiber in alkali liquor; taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber; introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the dried plant fiber under normal pressure, heating and preserving heat; mixing nano silicon dioxide and an antibacterial agent, adding the mixture to the surface of the plant fiber, keeping the temperature, and introducing nitrogen for replacement to room temperature; irradiation with Co60 under nitrogen atmosphere produced surface grafted plant fibers. According to the technical scheme, the plant fibers treated by the alkali liquor can effectively remove non-enhanced components such as hemicellulose and pectin in the fibers, so that the fibers are swelled and more uniform, the tensile strength is improved, meanwhile, the number of micropores in the fibers is increased through the alkali treatment, the fibers are deeply developed, the breaking elongation is reduced, simultaneously, the nano silicon dioxide is combined with oxygen bonds on the surfaces of the fibers and is embedded into the micropores of the fibers, and the hardness of the fibers is enhanced, and simultaneously, the water absorption of the fibers is reduced.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a surface treatment process of plant fibers.
Background
Plant fiber is a sclerenchyma tissue widely distributed in seed plants, where it plays a major mechanical supporting role in the plant body.
The plant fiber is the earliest natural fiber used by human beings, particularly ramie and hemp, and is utilized in the age of stone novelties in China, and the plant fiber has a very close relationship with human life, and besides textile products necessary for daily life, ropes, packages, braids, paper and the like all need the plant fiber as a raw material.
Since the modern time, some synthetic fibers gradually replace some plant fibers with the development of petrochemical industry, but since petroleum energy is reduced due to the stock of disposable energy and pollution to the environment during the production process, and the properties of synthetic fibers are greatly different from those of natural fibers in some aspects, particularly in aspects related to daily life, the use of plant fibers is gradually increased due to the nature and human friendliness of natural fibers and the reproducibility of plant fibers.
In order to improve the application range and the use comfort of the plant fiber, the treatment process of the plant fiber is correspondingly and gradually developed, however, at the present stage, the application of the plant fiber is mostly still limited to the synthetic fiber, namely, the fiber material prepared by mixing the plant fiber and the artificial fiber, and the application of the plant fiber is limited to the aspects of rope, package, weaving, paper and the like except for the aspects of the plant fiber only.
The main reason why the range of use of the plant fiber is limited is also in terms of its environmental suitability, for example, when the plant fiber is used alone, its antibacterial ability deteriorates and the water absorption amount increases in a high-temperature and high-humidity environment, which leads to a decrease in the usability of the product.
Disclosure of Invention
The invention aims to provide a surface treatment process of plant fiber, which aims to solve the problems of low antibacterial performance, large water absorption capacity and the like of the prior art when the plant fiber is singly used.
The invention is realized by the following technical scheme:
a surface treatment process of plant fiber comprises the following steps:
1) cleaning the plant fiber with clear water and drying;
2) soaking the dried plant fiber in alkali liquor for 1-3 hours;
3) taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber;
4) introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 50-80 ℃, and preserving heat for 0.5-1 hour;
mixing nano silicon dioxide and an antibacterial agent, adding the mixture to the surface of the plant fiber, keeping the temperature for 0.5 to 1 hour, and introducing nitrogen for replacement to room temperature;
5) irradiation to 30-60KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
The volume concentration of the alkali liquor is 15-50%.
The sodium hydroxide solution of the alkali liquor.
The sulfur dioxide content in the mixed gas is 0.1-1 g/l.
The volume ratio of the nitrogen to the sulfur dioxide to the atomized water is 5: 3: 1.
The mass ratio of the nano silicon dioxide to the antibacterial agent is 100: 1-10: 1.
The antibacterial agent is a quaternary ammonium salt active antibacterial monomer and an oxazolidone active antibacterial monomer.
The mass ratio of the quaternary ammonium salt active antibacterial monomer to the oxazolidone active antibacterial monomer is 2: 1.
The quaternary ammonium salt active antibacterial monomer is one or a combination of more than two of acryloyloxyethyl-benzyl-dimethyl ammonium chloride, methacryloyloxyethyl-trimethyl ammonium chloride, methacryloyloxyethyl-benzyl diethyl ammonium chloride, acryloyloxyethyl-trimethyl ammonium chloride or diacryloyloxyethyl-benzyl-methyl ammonium chloride.
The oxazolidone active antibacterial monomer is one or the combination of more than two of 4-methacryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone, 4-acryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone or 1-propenyl-hydantoin.
The invention has the beneficial effects that:
according to the technical scheme, the plant fibers treated by the alkali liquor can effectively remove non-enhanced components such as hemicellulose and pectin in the fibers, so that the fibers are swelled and more uniform, the tensile strength is improved, meanwhile, the number of micropores in the fibers is increased through the alkali treatment, the fibers are deeply developed, the breaking elongation is reduced, simultaneously, the nano silicon dioxide is combined with oxygen bonds on the surfaces of the fibers and is embedded into the micropores of the fibers, and the hardness of the fibers is enhanced, and simultaneously, the water absorption of the fibers is reduced.
According to the technical scheme, the sulfur dioxide and the atomized water are heated, so that the surface of the plant fiber is subjected to a certain hydrolysis reaction, and oxygen bonds for connecting the surface of the plant fiber and the nano silicon dioxide and chemical bonds for connecting the surface of the plant fiber and the nano silicon dioxide are improved.
According to the technical scheme, the antibacterial agent is connected to the surface of the plant fiber through the chemical bond on the surface of the fiber, so that the antibacterial agent has better stability, the decomposition of the antibacterial agent is reduced to the maximum extent, and the antibacterial performance is improved.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
The application provides a surface treatment process of plant fibers, which comprises the following steps:
1) cleaning the plant fiber with clear water and drying; in the working procedure, the clean water can be deionized water, distilled water, pure water or common treated water, and a cleaning agent can be added in the cleaning process, so that the main purpose is to remove pollutants on the surface of the plant fiber. In the present application, the moisture content of the plant fiber after passing through the drying is less than 4%.
2) Soaking the dried plant fiber in alkali liquor for 1-3 hours; the volume concentration of the alkali liquor is 15-50%, and the alkali liquor is sodium hydroxide solution; in other embodiments of the present application, alkali solution such as potassium hydroxide may be used, and in the present application, the treatment time of the plant fiber in the alkali solution is preferably 3 hours.
3) Taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber; the water content of the plant fiber in the drying step in the process is also lower than 4%.
4) Introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 50-80 ℃, and preserving heat for 0.5-1 hour; the sulfur dioxide content in the mixed gas is 0.1-1 g/l. The volume ratio of the nitrogen to the sulfur dioxide to the atomized water is 5: 3: 1.
Mixing nano silicon dioxide and an antibacterial agent, adding the mixture to the surface of the plant fiber, keeping the temperature for 0.5 to 1 hour, and introducing nitrogen for replacement to room temperature; the mass ratio of the nano silicon dioxide to the antibacterial agent is 100: 1-10: 1.
The antibacterial agent is quaternary ammonium salt active antibacterial monomer and oxazolidone active antibacterial monomer; the mass ratio of the quaternary ammonium salt active antibacterial monomer to the oxazolidinone active antibacterial monomer is 2: 1.
The quaternary ammonium salt active antibacterial monomer is one or the combination of more than two of acryloyloxyethyl-benzyl-dimethyl ammonium chloride, methacryloyloxyethyl-trimethyl ammonium chloride, methacryloyloxyethyl-benzyl diethyl ammonium chloride, acryloyloxyethyl-trimethyl ammonium chloride or diacryloyloxyethyl-benzyl-methyl ammonium chloride.
The oxazolidone active antibacterial monomer is one or the combination of more than two of 4-methacryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone, 4-acryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone or 1-propenyl-hydantoin.
5) Irradiation to 30-60KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
In the application, because the nano silicon dioxide particles are small, the nano silicon dioxide particles have the effect of stress concentration, and when the composite system is impacted by external force, the stress concentration points can cause large plastic deformation of fibers around the particles to absorb impact energy.
Example 1
A surface treatment process of plant fiber comprises the following steps:
1) cleaning the plant fiber with clear water and drying;
2) soaking the dried plant fiber in 15% sodium hydroxide solution for 3 hr;
3) taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber;
4) introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 50 ℃, and preserving heat for 1 hour; the sulfur dioxide content of the mixed gas was 0.1 g/l.
Mixing nano silicon dioxide, acryloyloxyethyl-benzyl-dimethyl ammonium chloride, methacryloyloxyethyl-benzyl-dimethyl ammonium chloride and 4-methacryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone, adding the mixture to the surface of the plant fiber, preserving the temperature for 0.5 hour, and introducing nitrogen to replace the temperature to room temperature.
The mass ratio of the nano silicon dioxide to the antibacterial agent is 100: 1.
The mass ratio of acryloyloxyethyl-benzyl-dimethyl ammonium chloride and methacryloyloxyethyl-benzyl-dimethyl ammonium chloride to 4-methacryloyloxymethyl-4-ethyl-1, 3-oxazolidin-2-one was 2: 1.
5) Irradiation to 30KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
Example 2
A surface treatment process of plant fiber comprises the following steps:
1) cleaning the plant fiber with clear water and drying;
2) soaking the dried plant fiber in 50% sodium hydroxide solution for 3 hr;
3) taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber;
4) introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 80 ℃, and preserving heat for 0.5 hour; the sulfur dioxide content of the mixed gas was 1 g/l.
Mixing nano silicon dioxide, acryloyloxyethyl-benzyl-dimethyl ammonium chloride, methacryloyloxyethyl-trimethyl ammonium chloride and 4-acryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-ketone, adding the mixture to the surface of the plant fiber, preserving the temperature for 1 hour, and introducing nitrogen to replace the temperature to room temperature.
The mass ratio of the nano silicon dioxide to the antibacterial agent is 10: 1.
The mass ratio of acryloyloxyethyl-benzyl-dimethyl ammonium chloride and methacryloyloxyethyl-trimethyl ammonium chloride to 4-acryloyloxymethyl-4-ethyl-1, 3-oxazolidin-2-one is 2: 1.
5) Irradiation to 60KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
Example 3
A surface treatment process of plant fiber comprises the following steps:
1) cleaning the plant fiber with clear water and drying;
2) soaking the dried plant fiber in 30% sodium hydroxide solution for 3 hr;
3) taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber;
4) introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 60 ℃, and preserving heat for 0.8 hour; the sulfur dioxide content of the mixed gas was 0.8 g/l.
Mixing nano silicon dioxide, methacryloyloxyethyl-benzyldiethylammonium chloride and 1-propenyl-hydantoin, adding the mixture to the surface of the plant fiber, preserving the temperature for 1 hour, and introducing nitrogen to replace the temperature to room temperature.
The mass ratio of the nano silicon dioxide to the antibacterial agent is 50: 1.
The mass ratio of the methacryloyloxyethyl-benzyldiethylammonium chloride to the 1-propenyl-hydantoin is 2: 1.
5) Irradiation to 50KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A surface treatment process of plant fiber is characterized by comprising the following steps:
1) cleaning the plant fiber with clear water and drying;
2) soaking the dried plant fiber in alkali liquor for 1-3 hours;
3) taking out the plant fiber from the alkali liquor, cleaning the plant fiber with clear water, and drying the plant fiber;
4) introducing mixed gas of nitrogen, sulfur dioxide and atomized water into the plant fiber dried in the step 3) under normal pressure, heating to 50-80 ℃, and preserving heat for 0.5-1 hour;
mixing nano silicon dioxide and an antibacterial agent, adding the mixture to the surface of the plant fiber, keeping the temperature for 0.5 to 1 hour, and introducing nitrogen for replacement to room temperature;
5) irradiation to 30-60KGy using Co60 under nitrogen atmosphere produced surface grafted plant fibers.
2. The surface treatment process of plant fiber according to claim 1, wherein the concentration of the alkali solution is 15-50%.
3. A process for the surface treatment of plant fibres as claimed in claim 1, characterised in that the lye is a sodium hydroxide solution.
4. The surface treatment process of plant fiber according to claim 1, wherein the sulfur trioxide content in the mixed gas is 0.1-1 g/L.
5. The surface treatment process of plant fiber according to claim 1, wherein the volume ratio of the nitrogen gas, the sulfur dioxide and the atomized water is 5: 3: 1.
6. The surface treatment process of plant fiber according to claim 1, wherein the mass ratio of the nano silica to the antibacterial agent is 100: 1 to 10: 1.
7. The surface treatment process of plant fiber according to claim 1, wherein the antibacterial agent is a quaternary ammonium salt active antibacterial monomer and an oxazolidone active antibacterial monomer.
8. The surface treatment process of plant fiber according to claim 7, wherein the mass ratio of the quaternary ammonium salt active antibacterial monomer to the oxazolidone active antibacterial monomer is 2: 1.
9. The surface treatment process of plant fiber according to claim 7, wherein the quaternary ammonium salt active antibacterial monomer is one or a combination of two or more of acryloyloxyethyl-benzyl-dimethyl ammonium chloride, methacryloyloxyethyl-trimethyl ammonium chloride, methacryloyloxyethyl-benzyl diethyl ammonium chloride, acryloyloxyethyl-trimethyl ammonium chloride or diacryloyloxyethyl-benzyl-methyl ammonium chloride.
10. The process of claim 7, wherein the oxazolidinone-based active antibacterial monomer is one or a combination of two or more selected from 4-methacryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-one, 4-acryloyloxymethyl-4-ethyl-1, 3-oxazolidine-2-one and 1-propenyl-hydantoin.
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| CN202010707226.0A CN111691182A (en) | 2020-07-13 | 2020-07-13 | Surface treatment process for plant fiber |
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| CN202010707226.0A CN111691182A (en) | 2020-07-13 | 2020-07-13 | Surface treatment process for plant fiber |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045179A (en) * | 1998-07-23 | 2000-02-15 | Toyobo Co Ltd | Antimicrobial fiber and its fibrous structure |
| CN107118528A (en) * | 2017-06-06 | 2017-09-01 | 绍兴文理学院 | A kind of tossa strengthens the preparation method of lactic acid composite material |
| CN110331573A (en) * | 2019-06-12 | 2019-10-15 | 安徽启威生物科技有限公司 | A kind of preparation method of the antibiotic fabric based on gamma-ray irradiation crosslinking technology |
| CN111234383A (en) * | 2020-03-21 | 2020-06-05 | 贵州省材料技术创新基地 | Antibacterial plant fiber reinforced composite material and preparation method and application thereof |
-
2020
- 2020-07-13 CN CN202010707226.0A patent/CN111691182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045179A (en) * | 1998-07-23 | 2000-02-15 | Toyobo Co Ltd | Antimicrobial fiber and its fibrous structure |
| CN107118528A (en) * | 2017-06-06 | 2017-09-01 | 绍兴文理学院 | A kind of tossa strengthens the preparation method of lactic acid composite material |
| CN110331573A (en) * | 2019-06-12 | 2019-10-15 | 安徽启威生物科技有限公司 | A kind of preparation method of the antibiotic fabric based on gamma-ray irradiation crosslinking technology |
| CN111234383A (en) * | 2020-03-21 | 2020-06-05 | 贵州省材料技术创新基地 | Antibacterial plant fiber reinforced composite material and preparation method and application thereof |
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Application publication date: 20200922 |