CN114277460A - Preparation method for enhancing service performance of polyester hot melt yarn - Google Patents
Preparation method for enhancing service performance of polyester hot melt yarn Download PDFInfo
- Publication number
- CN114277460A CN114277460A CN202110888217.0A CN202110888217A CN114277460A CN 114277460 A CN114277460 A CN 114277460A CN 202110888217 A CN202110888217 A CN 202110888217A CN 114277460 A CN114277460 A CN 114277460A
- Authority
- CN
- China
- Prior art keywords
- modified
- melt
- polyester
- hot melt
- solution
- 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
Abstract
The invention discloses a preparation method for enhancing the service performance of a polyester hot melt wire, which comprises the following specific processing steps: s1, preparing polyester melt; s2, preparing a modified composite material 1; s3, preparing a modified composite material 2; s4, blending S5, and spinning; s6, doubling and reinforcing; s7, testing performance; and S8, winding. The invention prepares a plurality of modified solutions before the hot melt is filamentized, and the modified solutions are blended with the polyester melt to form the filament, wherein the antibacterial and deodorant performances of the hot melt can be greatly improved by N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and PP silver ion deodorant master batch in the first modified solution, the antioxidant performance of the hot melt can be greatly improved by 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitrobenzyl ether and phenmethyl trinitrobenzene in the second modified solution, the yellowing of the hot melt can be prevented, and the fiber is doubled and reinforced by a double twister after the filament is filamentized, and the tensile strength of the hot melt can be effectively improved.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a preparation method for enhancing the service performance of a polyester hot melt wire.
Background
Thermal fuses, also known as low-melting fibers, are one of the most rapidly developing functional fibers in recent years. The thermal fuse is divided into polyester thermal fuse and nylon thermal fuse, and the melting point can be controlled between 85 ℃ and 180 ℃ by adjusting the characteristics of the raw materials. The thermal fuse is woven with other fibers into a fabric at normal temperature, then pressure is applied to the fabric in a dry or wet hot state, and the thermal fuse is gradually melted when the temperature is higher than the melting point of the thermal fuse. At this temperature, conventional other fibers remain unchanged and are thus bonded together by the thermal fuse. Therefore, the thermal fuse can replace chemical adhesives such as glue and the like, avoids the pollution of volatile matters and powder layers, and is environment-friendly and nontoxic; meanwhile, the process flow is saved, the downstream production cost is reduced, at present, the thermal fuse is widely applied to the fields of outdoor sports vamps, leisure vamps, sofa fabrics, curtain window screens, carbon fiber cloth cover sizing, chenille yarns, bundy yarns, high-grade suit linings, lace laces, glove serging yarns and the like, and the thermal fuse is a high and new technical product with great market prospect.
With the gradual development of modern textile industry, the requirements for textile fabrics are higher and higher, and the antibacterial property, the oxidation resistance and the tensile strength of the polyester hot melt yarn used for spinning at present are poorer, so that a preparation method for enhancing the service performance of the polyester hot melt yarn is needed.
Disclosure of Invention
The invention aims to provide a preparation method for enhancing the service performance of a polyester thermal fuse, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method for enhancing the service performance of a polyester hot-melt wire comprises the following specific processing steps:
s1, polyester melt preparation: adding purified terephthalic acid, ethylene glycol, hexamethylene diamine and a STIC-01 catalyst system into an esterification reaction kettle, vacuumizing, introducing ammonia gas, and preparing a polyester melt through a heating polymerization process;
s2, preparing a modified composite material 1: putting N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and PP silver ion deodorant master batch into a deionized water solution, fully stirring the mixed solution through a stirrer to obtain a first modified solution, adding 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitrobenzyl ether and benzotriazole into the deionized water solution according to a proper amount of components, fully stirring the mixed solution through the stirrer to obtain a second modified solution, mixing benzene, nitric acid and sodium carbonate, and performing sulfonation reaction to generate an m-sulfonic acid solution which is used as a third modified solution;
s3, preparation of the modified composite material 2: respectively concentrating the first modified solution, the second modified solution and the third modified solution prepared in the step S2, filtering the three concentrated solutions, and storing at normal temperature;
s4, blending, namely weighing an appropriate amount of three concentrated modified solutions prepared in S3, putting the three concentrated modified solutions and the polyester melt prepared in S1 into a double-screw conical mixer together for blending, performing extrusion granulation after blending treatment, and drying at 50-85 ℃ after granulating to reduce the water content to 0.03-0.05 wt% to obtain modified low-melting-point polyester chips;
s5, spinning, namely putting the modified low-melting-point polyester chips obtained by blending the S4 into a double-screw conical mixer again, configuring a spiral tube heater for hot melting to prepare a melt, putting the melt into a spinning machine, extruding the melt in the spinning machine from a filament outlet of a spinneret by using a spinning pump, and cooling by surrounding air blowing in the extruding process to form nascent fiber filaments;
s6, doubling and reinforcing, namely introducing a plurality of primary fiber yarns prepared in the S5 into a yarn channel of a two-for-one twister, applying a couple in the cross section of the yarn in the doubling process to enable the cross section to be twisted for a certain angle around the center of the cross section relative to the other adjacent cross section, temporarily closing the deformation recovery capacity caused by twisting, and carrying out dry heat setting on the hot melt yarns by adopting proper temperature;
s7, testing the performance, namely testing the tensile property of the prepared thermal fuse by adopting a full-automatic single-yarn strength machine with the model number of YG023A, and then measuring the boiling water shrinkage rate of the thermal fuse along the length direction by using an HH-4 type constant-temperature water bath kettle;
and S8, winding, namely introducing the qualified hot melt into a winding machine for winding and forming.
Preferably, the reaction temperature of the esterification kettle of S1 is 220-240 ℃, and the reaction pressure is 0.15-0.3 MPa.
Preferably, in the mixing process of each modified solution of S2, a proper amount of defoaming agent is added to eliminate foam, so that the preparation quality of the modified solution is ensured.
Preferably, the rotation speed of the feeding screw of the twin-screw conical mixer in S3 and S4 is 200-.
Preferably, in the tensile property test of S7, the test speed is 400mm/min, the pre-tension is 0.1cN/dtex, and the clamping length is 250 mm.
Preferably, the processing speed of the S6 doubling and reinforcing two-for-one twister is 220-250m/min, the twist degree is 100T/m, the winding angle is 30 ℃, the lower overfeed rate is-1%, the upper overfeed rate is 3.6%, and the temperature of a hot box is 180-210 ℃.
Preferably, the temperature of the circular air blowing when the fiber filaments in the S5 are extruded is-7-3 ℃.
The invention has the technical effects and advantages that:
a plurality of modified solutions are prepared before the thermal fuse is formed into the fuse, and the modified solutions are blended with a polyester melt to form the fuse, wherein N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and PP silver ion deodorant master batches in the first modified solution can greatly improve the antibacterial and deodorant performances of the thermal fuse, 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitrobenzyl ether and phenmethyl trinitrobenzene in the second modified solution can greatly improve the antioxidant performance of the thermal fuse and prevent the thermal fuse from yellowing, meanwhile, a double twister is used for doubling and reinforcing the fiber after the fuse is formed, the tensile strength of the thermal fuse can be effectively improved, and the tensile strength and boiling water shrinkage rate of the fuse are tested in post-treatment, so that the quality of the thermal fuse can be more effectively controlled.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the 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.
The invention provides a preparation method for enhancing the service performance of a polyester hot melt wire, which comprises the following specific processing steps:
s1, polyester melt preparation: adding purified terephthalic acid, ethylene glycol, hexamethylene diamine and a STIC-01 catalyst system into an esterification reaction kettle, vacuumizing, introducing ammonia gas, and preparing a polyester melt through a heating polymerization process;
s2, preparing a modified composite material 1: putting N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and PP silver ion deodorant master batch into a deionized water solution, fully stirring the mixed solution through a stirrer to obtain a first modified solution, adding 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitrobenzyl ether and benzotriazole into the deionized water solution according to a proper amount of components, fully stirring the mixed solution through the stirrer to obtain a second modified solution, mixing benzene, nitric acid and sodium carbonate, and performing sulfonation reaction to generate an m-sulfonic acid solution which is used as a third modified solution;
s3, preparation of the modified composite material 2: respectively concentrating the first modified solution, the second modified solution and the third modified solution prepared in the step S2, filtering the three concentrated solutions, and storing at normal temperature;
s4, blending, namely weighing an appropriate amount of three concentrated modified solutions prepared in S3, putting the three concentrated modified solutions and the polyester melt prepared in S1 into a double-screw conical mixer together for blending, performing extrusion granulation after blending treatment, and drying at 50-85 ℃ after granulating to reduce the water content to 0.03-0.05 wt% to obtain modified low-melting-point polyester chips;
s5, spinning, namely putting the modified low-melting-point polyester chips obtained by blending the S4 into a double-screw conical mixer again, configuring a spiral tube heater for hot melting to prepare a melt, putting the melt into a spinning machine, extruding the melt in the spinning machine from a filament outlet of a spinneret by using a spinning pump, and cooling by surrounding air blowing in the extruding process to form nascent fiber filaments;
s6, doubling and reinforcing, namely introducing a plurality of primary fiber yarns prepared in the S5 into a yarn channel of a two-for-one twister, applying a couple in the cross section of the yarn in the doubling process to enable the cross section to be twisted for a certain angle around the center of the cross section relative to the other adjacent cross section, temporarily closing the deformation recovery capacity caused by twisting, and carrying out dry heat setting on the hot melt yarns by adopting proper temperature;
s7, testing the performance, namely testing the tensile property of the prepared thermal fuse by adopting a full-automatic single-yarn strength machine with the model number of YG023A, and then measuring the boiling water shrinkage rate of the thermal fuse along the length direction by using an HH-4 type constant-temperature water bath kettle;
and S8, winding, namely introducing the qualified hot melt into a winding machine for winding and forming.
The reaction temperature of the esterification kettle of S1 is 240 ℃ at 220 ℃ and the reaction pressure is 0.15-0.3MPa, a proper amount of defoaming agent needs to be added in the mixing process of each modified solution of S2 to eliminate foam so as to ensure the preparation quality of the modified solution, the rotating speed of a feeding screw of a double-screw conical mixer in S3 and S4 is 250r/min at 200-, the lower overfeed rate is-1%, the upper overfeed rate is 3.6%, the temperature of the hot box is 180 ℃ and 210 ℃, and the temperature of the circular air blowing when the fiber yarns in the S5 are extruded is-7 ℃ to 3 ℃.
In conclusion, the preparation method for enhancing the service performance of the polyester thermal fuse wire provided by the invention prepares various modified solutions before the thermal fuse wire is formed, and the modified solutions are blended with the polyester melt to form the thermal fuse wire, wherein the N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and the PP silver ion deodorant master batch in the first modified solution can greatly improve the antibacterial and deodorant performance of the thermal fuse wire, the 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitro benzyl ether and phenyl-propyl trinitrogen in the second modified solution can greatly improve the antioxidant performance of the thermal fuse wire and prevent the thermal fuse wire from yellowing, meanwhile, a double twister is used for doubling and reinforcing the fiber wire after the thermal fuse wire is formed, the tensile strength of the thermal fuse wire can be effectively improved, and the tensile strength and boiling water shrinkage rate of the formed wire are tested in the post-treatment, the quality of the thermal fuse can be more effectively controlled.
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 (7)
1. A preparation method for enhancing the service performance of a polyester hot-melt wire is characterized by comprising the following specific processing steps:
s1, polyester melt preparation: adding purified terephthalic acid, ethylene glycol, hexamethylene diamine and a STIC-01 catalyst system into an esterification reaction kettle, vacuumizing, introducing ammonia gas, and preparing a polyester melt through a heating polymerization process;
s2, preparing a modified composite material 1: putting N-benzyl-N, N-dimethyl-N-alkyl ammonium chloride and PP silver ion deodorant master batch into a deionized water solution, fully stirring the mixed solution through a stirrer to obtain a first modified solution, adding 4-hydroxy phenethylamine, isopropanolamine, dehydro costuslactone, 4-chloro-2-nitrobenzyl ether and benzotriazole into the deionized water solution according to a proper amount of components, fully stirring the mixed solution through the stirrer to obtain a second modified solution, mixing benzene, nitric acid and sodium carbonate, and performing sulfonation reaction to generate an m-sulfonic acid solution which is used as a third modified solution;
s3, preparation of the modified composite material 2: respectively concentrating the first modified solution, the second modified solution and the third modified solution prepared in the step S2, filtering the three concentrated solutions, and storing at normal temperature;
s4, blending, namely weighing an appropriate amount of three concentrated modified solutions prepared in S3, putting the three concentrated modified solutions and the polyester melt prepared in S1 into a double-screw conical mixer together for blending, performing extrusion granulation after blending treatment, and drying at 50-85 ℃ after granulating to reduce the water content to 0.03-0.05 wt% to obtain modified low-melting-point polyester chips;
s5, spinning, namely putting the modified low-melting-point polyester chips obtained by blending the S4 into a double-screw conical mixer again, configuring a spiral tube heater for hot melting to prepare a melt, putting the melt into a spinning machine, extruding the melt in the spinning machine from a filament outlet of a spinneret by using a spinning pump, and cooling by surrounding air blowing in the extruding process to form nascent fiber filaments;
s6, doubling and reinforcing, namely introducing a plurality of primary fiber yarns prepared in the S5 into a yarn channel of a two-for-one twister, applying a couple in the cross section of the yarn in the doubling process to enable the cross section to be twisted for a certain angle around the center of the cross section relative to the other adjacent cross section, temporarily closing the deformation recovery capacity caused by twisting, and carrying out dry heat setting on the hot melt yarns by adopting proper temperature;
s7, testing the performance, namely testing the tensile property of the prepared thermal fuse by adopting a full-automatic single-yarn strength machine with the model number of YG023A, and then measuring the boiling water shrinkage rate of the thermal fuse along the length direction by using an HH-4 type constant-temperature water bath kettle;
and S8, winding, namely introducing the qualified hot melt into a winding machine for winding and forming.
2. The method as claimed in claim 1, wherein the esterification temperature of the esterification reactor of S1 is 220-240 ℃ and the reaction pressure is 0.15-0.3 MPa.
3. The method for preparing the polyester thermal fuse with enhanced service performance as claimed in claim 1, wherein during the mixing of the modified solutions of S2, a proper amount of antifoaming agent is added to remove foam, thereby ensuring the quality of the modified solutions.
4. The method as claimed in claim 1, wherein the rotation speed of the feeding screw of the twin-screw conical mixer in S3 and S4 is 200-.
5. The method as claimed in claim 1, wherein the test speed of the tensile property test of S7 is 400mm/min, the pre-tension is 0.1cN/dtex, and the holding length is 250 mm.
6. The method as claimed in claim 1, wherein the processing speed of the two-for-one twister in S6 doubling and reinforcement is 250-250 m/min, the twist is 100T/m, the winding angle is 30 ℃, the lower overfeed rate is-1%, the upper overfeed rate is 3.6%, and the temperature of the hot box is 180-210 ℃.
7. The method as claimed in claim 1, wherein the temperature of the air blown around the extruded filaments in S5 is-7-3 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888217.0A CN114277460A (en) | 2021-08-03 | 2021-08-03 | Preparation method for enhancing service performance of polyester hot melt yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888217.0A CN114277460A (en) | 2021-08-03 | 2021-08-03 | Preparation method for enhancing service performance of polyester hot melt yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114277460A true CN114277460A (en) | 2022-04-05 |
Family
ID=80868365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110888217.0A Pending CN114277460A (en) | 2021-08-03 | 2021-08-03 | Preparation method for enhancing service performance of polyester hot melt yarn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114277460A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372432A (en) * | 2014-11-03 | 2015-02-25 | 四川大学 | Preparation method of silver-bearing antibacterial polypropylene fiber |
| CN105200550A (en) * | 2015-10-20 | 2015-12-30 | 上海金霞化纤有限公司 | Low-melting-point antibacterial specially-shaped polyester monofilament and processing method thereof |
| CN105648759A (en) * | 2016-04-01 | 2016-06-08 | 吴江市泽旺纺织有限公司 | Anti-oxidation finishing agent for textiles and preparation method of anti-oxidation finishing agent |
| CN106564130A (en) * | 2015-10-09 | 2017-04-19 | 湖北智权专利技术应用开发有限公司 | A fully automatic production system for a non-woven fabric antibacterial master batch |
| CN107523996A (en) * | 2017-08-28 | 2017-12-29 | 南通冠洲国际贸易有限公司 | A kind of anti-oxidant xanthochromia finishing agent and preparation method thereof |
| CN110106603A (en) * | 2019-04-23 | 2019-08-09 | 南通尚坊布业有限公司 | A kind of Graphene antibiosis fabric and preparation method thereof |
| CN110205702A (en) * | 2019-07-05 | 2019-09-06 | 常州兴烯石墨烯科技有限公司 | A kind of modified white graphite alkene terylene composite fibre and preparation method thereof |
| CN111005080A (en) * | 2019-12-18 | 2020-04-14 | 中国纺织科学研究院有限公司 | Full-melting type low-melting-point polyester fiber and preparation method thereof |
| CN111020777A (en) * | 2019-12-05 | 2020-04-17 | 武汉纺织大学 | Heat-moisture comfortable double-ply yarn and preparation method thereof |
| CN111072938A (en) * | 2019-12-16 | 2020-04-28 | 浙江恒澜科技有限公司 | Low-melting-point polyester and preparation method thereof |
| CN111074370A (en) * | 2019-12-24 | 2020-04-28 | 温州大学 | Low-melting-point chinlon hot melt yarn and preparation method thereof |
| CN111171531A (en) * | 2020-03-18 | 2020-05-19 | 百事基材料（青岛）股份有限公司 | Seaweed polyester master batch and preparation process thereof |
| WO2020156347A1 (en) * | 2019-02-01 | 2020-08-06 | 钱远强 | Hot melt fiber for antimicrobial application and preparation method therefor |
| CN111534889A (en) * | 2020-06-24 | 2020-08-14 | 江苏微笑新材料科技有限公司 | Antistatic and moisture-absorbing dyeable sheath-core composite fiber and preparation method thereof |
| CN111909454A (en) * | 2020-08-14 | 2020-11-10 | 泉州弘泰智能科技有限公司 | Antibacterial masterbatch and application thereof |
| CN112663227A (en) * | 2019-10-16 | 2021-04-16 | 汇维仕股份公司 | Non-woven fabric for cabin air filter containing low-melting-point polyester fiber |
| CN112921444A (en) * | 2021-03-09 | 2021-06-08 | 许玉华 | Anti-ultraviolet functional fiber and preparation process thereof |
-
2021
- 2021-08-03 CN CN202110888217.0A patent/CN114277460A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372432A (en) * | 2014-11-03 | 2015-02-25 | 四川大学 | Preparation method of silver-bearing antibacterial polypropylene fiber |
| CN106564130A (en) * | 2015-10-09 | 2017-04-19 | 湖北智权专利技术应用开发有限公司 | A fully automatic production system for a non-woven fabric antibacterial master batch |
| CN105200550A (en) * | 2015-10-20 | 2015-12-30 | 上海金霞化纤有限公司 | Low-melting-point antibacterial specially-shaped polyester monofilament and processing method thereof |
| CN105648759A (en) * | 2016-04-01 | 2016-06-08 | 吴江市泽旺纺织有限公司 | Anti-oxidation finishing agent for textiles and preparation method of anti-oxidation finishing agent |
| CN107523996A (en) * | 2017-08-28 | 2017-12-29 | 南通冠洲国际贸易有限公司 | A kind of anti-oxidant xanthochromia finishing agent and preparation method thereof |
| WO2020156347A1 (en) * | 2019-02-01 | 2020-08-06 | 钱远强 | Hot melt fiber for antimicrobial application and preparation method therefor |
| CN110106603A (en) * | 2019-04-23 | 2019-08-09 | 南通尚坊布业有限公司 | A kind of Graphene antibiosis fabric and preparation method thereof |
| CN110205702A (en) * | 2019-07-05 | 2019-09-06 | 常州兴烯石墨烯科技有限公司 | A kind of modified white graphite alkene terylene composite fibre and preparation method thereof |
| CN112663227A (en) * | 2019-10-16 | 2021-04-16 | 汇维仕股份公司 | Non-woven fabric for cabin air filter containing low-melting-point polyester fiber |
| CN111020777A (en) * | 2019-12-05 | 2020-04-17 | 武汉纺织大学 | Heat-moisture comfortable double-ply yarn and preparation method thereof |
| CN111072938A (en) * | 2019-12-16 | 2020-04-28 | 浙江恒澜科技有限公司 | Low-melting-point polyester and preparation method thereof |
| CN111005080A (en) * | 2019-12-18 | 2020-04-14 | 中国纺织科学研究院有限公司 | Full-melting type low-melting-point polyester fiber and preparation method thereof |
| CN111074370A (en) * | 2019-12-24 | 2020-04-28 | 温州大学 | Low-melting-point chinlon hot melt yarn and preparation method thereof |
| CN111171531A (en) * | 2020-03-18 | 2020-05-19 | 百事基材料（青岛）股份有限公司 | Seaweed polyester master batch and preparation process thereof |
| CN111534889A (en) * | 2020-06-24 | 2020-08-14 | 江苏微笑新材料科技有限公司 | Antistatic and moisture-absorbing dyeable sheath-core composite fiber and preparation method thereof |
| CN111909454A (en) * | 2020-08-14 | 2020-11-10 | 泉州弘泰智能科技有限公司 | Antibacterial masterbatch and application thereof |
| CN112921444A (en) * | 2021-03-09 | 2021-06-08 | 许玉华 | Anti-ultraviolet functional fiber and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 尚小冬等: "新型热熔聚酯单丝的制备及性能", 合成纤维, vol. 42, no. 2, pages 28 - 32 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104831417B (en) | Polyester elastomer/PET composite elastic fiber and preparation method thereof | |
| CN103590139B (en) | A kind of powerful three-dimensional crimp memory fiber and manufacture method thereof | |
| CN109853084B (en) | Polylactic acid/polyester elastomer composite elastic fiber and preparation method thereof | |
| CN105862152A (en) | Production method for high-speed spinning low-stretching high-modulus low-shrinkage polyester industrial filaments | |
| CN108385226B (en) | Polyester cotton-like different-shrinkage composite yarn and preparation method thereof | |
| CN102560708B (en) | Production technology of novel hot-melting polyester monofilament with island-shaped cross section | |
| CN1037788C (en) | Neutron and gamma ray radiation shield fibre and making method | |
| CN107858767A (en) | A kind of high resiliency composite fibre and preparation method thereof | |
| CN111691001A (en) | Preparation method of ionic liquid plasticized polyamide 56 industrial yarn | |
| CN106283230A (en) | A kind of production method of brocade/wash high-strength compound monofilament | |
| CN112501709A (en) | Preparation method of antibacterial polyester low stretch yarn | |
| CN103590140B (en) | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof | |
| CN113668108A (en) | Production method of cotton-like silk | |
| CN114277460A (en) | Preparation method for enhancing service performance of polyester hot melt yarn | |
| CN114144549B (en) | Core-sheath type composite false-twist yarn and preparation method thereof | |
| CN110158186A (en) | The processing method that a kind of 3D flies knitted fabric terylene thermo-fuse | |
| CN104562250A (en) | Micro-porous fine denier nylon 6 three-difference fiber and preparation method and application thereof | |
| CN110565178A (en) | production method of permanent flame-retardant polyester industrial yarn | |
| CN106521748A (en) | Composite hot sticking fiber and preparation method thereof | |
| CN105862166A (en) | FDY/POY differential shrinkage blended filament of biomass nylon 56 fiber/PBT fiber, and preparation method thereof | |
| CN110747556B (en) | Different-shrinkage composite yarn and preparation method thereof | |
| CN114164516A (en) | Production method of colored polyester high-shrinkage fully drawn yarn with high light fastness | |
| CN208266322U (en) | It is a kind of for producing the device of industrial yarn | |
| CN107338488A (en) | A kind of polyester industrial yarn production method | |
| CN107881581A (en) | A kind of direct electrospinning method for preparing for thering is light superelevation to wash high tenacity polyester staple fiber by force |
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 |