CN111005087A - Environment-friendly chemical fiber composite fiber - Google Patents
Environment-friendly chemical fiber composite fiber Download PDFInfo
- Publication number
- CN111005087A CN111005087A CN201911346893.4A CN201911346893A CN111005087A CN 111005087 A CN111005087 A CN 111005087A CN 201911346893 A CN201911346893 A CN 201911346893A CN 111005087 A CN111005087 A CN 111005087A
- Authority
- CN
- China
- Prior art keywords
- fiber
- filament
- bamboo
- environment
- friendly chemical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- 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
-
- 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
- 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
- D06M11/80—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 boron or compounds thereof, e.g. borides
- D06M11/82—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 boron or compounds thereof, e.g. borides with boron oxides; with boric, meta- or perboric acids or their salts, e.g. with borax
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/44—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen containing nitrogen and phosphorus
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
-
- 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
Landscapes
- 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)
- Multicomponent Fibers (AREA)
Abstract
The invention relates to the technical field of chemical fibers, in particular to an environment-friendly chemical fiber composite fiber, which comprises a fiber core and a fiber sheath, wherein the fiber core is formed by doubling the number of polypropylene filaments, bamboo filament and regenerated polyester filament in a ratio of 2:1: 2; the bamboo fiber filament and the regenerated polyester fiber filament can reduce the use of the polypropylene fiber filament, can recycle the waste materials of polyester, can be quickly decomposed by microorganisms in soil after being buried, and can be used as a growth foundation bed of the microorganisms to degrade carbon elements in the decomposed bamboo fiber filament from the inside and the outside of the fiber core simultaneously through the microorganisms, so that the degradation speed is improved, and the environment friendliness is better; the bamboo fiber filament is modified by the modifying solution, so that the softness and tensile resistance of the bamboo fiber filament can be improved, and the softness and elasticity of the composite fiber can be improved.
Description
Technical Field
The invention relates to the technical field of chemical fibers, in particular to an environment-friendly chemical fiber composite fiber.
Background
The composite material differential fiber is one of new fiber materials which are being developed vigorously at home and abroad, and has wide application. Compared with chemical synthetic fiber, it has the features and development direction of various varieties and strong functionality. Especially in the aspects of antistatic property, aging resistance and fastness, the fabric has the advantages that the traditional fabric is incomparable, and is one of the development directions of the textile industry at home and abroad. The differential fiber has some characteristics which are not possessed by the conventional products, and can meet increasingly strict quality and function requirements in three application fields of clothes, decoration and industry.
With the rapid development of polyester materials, the waste materials of polyester are increasing day by day, the existence of the waste materials seriously affects the living environment of people, how to change waste into valuable, and one of the important subjects of the current research on the recycling of waste polyester to realize the sustainable development of polyester fibers. At present, most of short fibers prepared from polyester waste are applied to low-end fields such as fillers. The research on the viscosity increasing and impurity removing process and the preparation of products with high added value by utilizing polyester waste become a major topic of transformation and upgrading of the regeneration industry.
In the development of the current environment-friendly materials, biodegradable materials have been focused, and there are many portions to be improved if commercialization is to be achieved due to the inherent characteristics of the materials, i.e., hydrolysis, poor spinnability, hard touch, and the like.
Disclosure of Invention
In order to solve the above problems, the present invention provides an environment-friendly chemical fiber composite fiber.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber sheath, wherein the fiber core is formed by doubling the number of polypropylene filaments, bamboo filament and regenerated polyester filament according to the ratio of 2:1: 2; wherein the polypropylene filament has the parameters as follows: 500 plus 1300 dtex, the diameter of the monofilament is 20-40 microns, 20-90 twist points per meter, and the Z or S twist direction; the parameters of the bamboo fiber filament are as follows: 300-1500 dtex, the monofilament diameter is 40-80 microns, 20-90 twist points per meter, and the Z or S twist direction; the parameters of the regenerated polyester fiber filament are as follows: 260-1200 dtex, the monofilament diameter is 20-40 microns, 20-90 twist points per meter, and Z or S twist direction; the fiber sheath is formed by winding and wrapping colored polyester fibers on the outer part of the fiber core, and finally the fiber sheath is sent into a high-pressure extruder at the temperature of 145-160 ℃ to extrude the fiber core wrapped with the fiber sheath into composite fibers with the monofilament diameter of 80-120 microns.
As a further improvement of the environment-friendly chemical fiber composite fiber, preferably, the bamboo fiber filaments are placed in a spraying machine for spraying modification liquid; the modifying solution comprises the following components in percentage by weight: 3% of zinc borate, 2% of polyepichlorohydrin amide modifier, 0.2% of phosphatidylethanolamine and the balance of water.
As a further improvement of the environment-friendly chemical fiber composite fiber of the present invention, preferably, a titanate coupling agent and thermoplastic powder are further filled between the polypropylene filament, the bamboo filament and the regenerated polyester filament, and the mass ratio of the titanate coupling agent to the thermoplastic powder is 1: 10.
as a further improvement of the environment-friendly chemical fiber composite fiber of the present invention, preferably, the thermoplastic is any one of polyethylene, polypropylene, and polyvinyl chloride.
As a further improvement of the environment-friendly chemical fiber composite fiber, the spraying amount of the modification liquid is preferably 40-50 mL/m2。
Compared with the prior art, the invention has the beneficial effects that: according to the environment-friendly chemical fiber composite fiber, the polypropylene filament, the bamboo filament and the regenerated polyester filament are combined in a ratio of 2:1:2 to form the fiber core, the colored polyester fiber is used as the fiber skin, the use of the polypropylene filament can be reduced by the bamboo filament and the regenerated polyester fiber filament, the waste of the polyester can be reused, the bamboo filament can be rapidly decomposed by microorganisms in soil after being buried, the carbon element basis and other various elements in the decomposed bamboo filament can be used as a growth foundation bed of the microorganisms, and the microorganisms can be used for degrading from the inside and the outside of the fiber core at the same time, so that the degradation speed is increased, and the environment-friendly property is better; the bamboo fiber filament is modified by the modifying solution, so that the softness and tensile resistance of the bamboo fiber filament can be improved, and the softness and elasticity of the composite fiber can be improved.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber sheath, wherein the fiber core is formed by doubling the number of polypropylene filaments, bamboo filament and regenerated polyester filament according to the ratio of 2:1: 2; wherein the polypropylene filament has the parameters as follows: 1300 decitex, the monofilament diameter is 20 microns, 90 twist points per meter, and S twist direction; the parameters of the bamboo fiber filament are as follows: 1500 dtex, monofilament diameter of 80 micron, 90 twist points per meter, S twist direction; the parameters of the regenerated polyester fiber filament are as follows: 1200 dtex, monofilament diameter of 40 micron, 90 twist points per meter, S twist direction; the fiber sheath is formed by winding and wrapping colored polyester fibers outside the fiber core, and finally the fiber sheath is fed into a high-pressure extruder at the temperature of 150 ℃ to extrude the fiber core wrapped with the fiber sheath into composite fibers with the monofilament diameter of 90 microns.
Example 2
The environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber sheath, wherein the fiber core is formed by doubling the number of polypropylene filaments, bamboo filament and regenerated polyester filament according to the ratio of 2:1: 2; wherein the polypropylene filament has the parameters as follows: 1300 decitex, the monofilament diameter is 20 microns, 90 twist points per meter, and S twist direction; the parameters of the bamboo fiber filament are as follows: 1500 dtex, the monofilament diameter is 80 microns, 90 twist points per meter, S twist direction, the bamboo fiber filament is put into a spraying machine for spraying modification liquid treatment; the modifying solution comprises the following components in percentage by weight: 3% of zinc borate, 2% of polyepichlorohydrin amide modifier, 0.2% of phosphatidylethanolamine and the balance of water; the parameters of the regenerated polyester fiber filament are as follows: 1200 dtex, monofilament diameter of 40 micron, 90 twist points per meter, S twist direction; the fiber sheath is formed by winding and wrapping colored polyester fibers outside the fiber core, and finally the fiber sheath is fed into a high-pressure extruder at the temperature of 150 ℃ to extrude the fiber core wrapped with the fiber sheath into composite fibers with the monofilament diameter of 90 microns.
Example 3
The environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber skin, wherein the fiber core is formed by doubling the number of polypropylene filaments, bamboo filaments and regenerated polyester filaments in a ratio of 2:1:2, titanate coupling agents and thermoplastic powder are filled among the polypropylene filaments, the bamboo filaments and the regenerated polyester filaments, and the mass ratio of the titanate coupling agents to the thermoplastic powder is 1: 10; wherein the polypropylene filament has the parameters as follows: 1300 decitex, the monofilament diameter is 20 microns, 90 twist points per meter, and S twist direction; the parameters of the bamboo fiber filament are as follows: 1500 dtex, monofilament diameter of 80 micrometer, 90 twist points per meter, S twist direction, and spraying modification solution with spraying amount of 50mL/m2(ii) a The modifying solution comprises the following components in percentage by weight: 3% of zinc borate, 2% of polyepichlorohydrin amide modifier, 0.2% of phosphatidylethanolamine and the balance of water are dissolved and prepared into a solution state; the parameters of the regenerated polyester fiber filament are as follows: 1200 dtex, monofilament diameter of 40 micron, 90 twist points per meter, S twist direction; the fiber sheath is formed by winding and wrapping colored polyester fibers outside the fiber core, and finally the fiber sheath is fed into a high-pressure extruder at the temperature of 150 ℃ to extrude the fiber core wrapped with the fiber sheath into composite fibers with the monofilament diameter of 90 microns.
Comparative example
The environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber skin, wherein the fiber core is made of polypropylene filaments, the fiber skin is formed by winding and wrapping colored polyester fibers outside the fiber core, and finally the fiber skin is fed into a high-pressure extruder at the temperature of 150 ℃ to extrude the fiber core wrapped with the fiber skin to the composite fiber with the monofilament diameter of 90 microns.
Compared with a comparative example, the examples 1 to 3 can obtain a higher decomposition speed, the bamboo fiber filament and the regenerated polyester fiber filament can reduce the use of the polypropylene fiber filament, and the waste of polyester can be recycled; the bamboo fiber filament can be quickly decomposed by microorganisms in soil after being buried, and various elements in the decomposed bamboo fiber filament can be used as a growth substrate of the microorganisms, so that the degradation is simultaneously carried out from the inside and the outside of the fiber core through the microorganisms, the degradation speed is increased, and the environmental protection property is better compared with a comparative example.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The environment-friendly chemical fiber composite fiber comprises a fiber core and a fiber sheath, and is characterized in that the fiber core is formed by doubling the number of polypropylene filaments, bamboo filament and regenerated polyester filament in a ratio of 2:1: 2; wherein the polypropylene filament has the parameters as follows: 500 plus 1300 dtex, the diameter of the monofilament is 20-40 microns, 20-90 twist points per meter, and the Z or S twist direction; the parameters of the bamboo fiber filament are as follows: 300-1500 dtex, the monofilament diameter is 40-80 microns, 20-90 twist points per meter, and the Z or S twist direction; the parameters of the regenerated polyester fiber filament are as follows: 260-1200 dtex, the monofilament diameter is 20-40 microns, 20-90 twist points per meter, and Z or S twist direction; the fiber sheath is formed by winding and wrapping colored polyester fibers on the outer part of the fiber core, and finally the fiber sheath is sent into a high-pressure extruder at the temperature of 145-160 ℃ to extrude the fiber core wrapped with the fiber sheath into composite fibers with the monofilament diameter of 80-120 microns.
2. The environment-friendly chemical fiber composite fiber according to claim 1, characterized in that: putting the bamboo fiber filaments into a spraying machine for spraying a modification liquid; the modifying solution comprises the following components in percentage by weight: 3% of zinc borate, 2% of polyepichlorohydrin amide modifier, 0.2% of phosphatidylethanolamine and the balance of water.
3. The environment-friendly chemical fiber composite fiber according to claim 1, characterized in that: titanate coupling agent and thermoplastic powder are filled among the polypropylene filaments, the bamboo fiber filaments and the regenerated polyester fiber filaments, and the mass ratio of the titanate coupling agent to the thermoplastic powder is 1: 10.
4. the environment-friendly chemical fiber composite fiber according to claim 3, characterized in that: the thermoplastic plastic is any one of polyethylene, polypropylene and polyvinyl chloride.
5. The environment-friendly chemical fiber composite fiber according to claim 2, characterized in that: the spraying amount of the modified liquid is 40-50 mL/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346893.4A CN111005087A (en) | 2019-12-24 | 2019-12-24 | Environment-friendly chemical fiber composite fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346893.4A CN111005087A (en) | 2019-12-24 | 2019-12-24 | Environment-friendly chemical fiber composite fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111005087A true CN111005087A (en) | 2020-04-14 |
Family
ID=70115998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911346893.4A Pending CN111005087A (en) | 2019-12-24 | 2019-12-24 | Environment-friendly chemical fiber composite fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005087A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594678A (en) * | 2004-06-22 | 2005-03-16 | 谢燕龙 | Ageing resistant fire-retardant composite environmental protection fiber and manufacturing method thereof |
| CN101161887A (en) * | 2006-10-12 | 2008-04-16 | 上海金布梯环保科技发展有限公司 | Anti-aging flame-proof composite environment-protection fiber and manufacturing method thereof |
-
2019
- 2019-12-24 CN CN201911346893.4A patent/CN111005087A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594678A (en) * | 2004-06-22 | 2005-03-16 | 谢燕龙 | Ageing resistant fire-retardant composite environmental protection fiber and manufacturing method thereof |
| CN101161887A (en) * | 2006-10-12 | 2008-04-16 | 上海金布梯环保科技发展有限公司 | Anti-aging flame-proof composite environment-protection fiber and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108193318B (en) | Graphene modified polylactic acid fiber and preparation method thereof | |
| EP3378978B1 (en) | Modified fiber and preparation method therefor | |
| EP0878567A3 (en) | Polyolefin fibres and polyolefin yarns and textile materials thereof | |
| CN107938171B (en) | Elastic composite non-woven fabric and production process thereof | |
| KR101965990B1 (en) | Composite polyester material, composite polyester fiber, processes for preparing the same and uses thereof | |
| CN102146598A (en) | PHBV-containing biobased chemical fiber and preparation method thereof | |
| CN105177739A (en) | Two-component round hollow cross-shaped special-shaped high-absorbent complex fiber and production method thereof | |
| CN107313128A (en) | A kind of PBT fiber fabrication process | |
| CN105155023A (en) | High-strength thermoplastic polyester and nano carbon fiber composite and preparation method thereof | |
| CN102272365A (en) | Yarns and threads from blends of fibres and articles therefrom | |
| CN106350932A (en) | Flocking lace fabric | |
| CN101463505A (en) | Negative ion polypropylene hollow air deformation fibre, preparation and use thereof | |
| JP2015059274A (en) | Composite fiber and method for producing the same | |
| CN111005087A (en) | Environment-friendly chemical fiber composite fiber | |
| CN114575039B (en) | Rebound-free needled non-woven fabric and preparation method thereof | |
| TW201938590A (en) | Shaped body of cellulose incorporated in spandex and manufacturing process | |
| KR20080112564A (en) | Manufacturing method of conjugate fiber having excellent water repellent and fiber thereof | |
| DE50005713D1 (en) | POLYESTER STAPLE FIBERS AND METHOD FOR THE PRODUCTION THEREOF | |
| CN104846472A (en) | Stretch resistance composite fiber sewing thread | |
| CN108842242B (en) | Nanofiber yarn and preparation method thereof | |
| CN105671684B (en) | A kind of manufacture method for the fiber for possessing memory function | |
| JP2004149971A (en) | Hot melt-type adhesive fiber and method for producing the same | |
| CN112813526A (en) | High-performance polyester filament yarn and production method thereof | |
| CN105862170B (en) | A kind of manufacturing method for the spinning solution having memory function | |
| CN114103188B (en) | Preparation method of multifunctional flat yarn |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |