CN108193310B - Preparation method of heat-resistant spandex fiber for elastic double-arbor - Google Patents
Preparation method of heat-resistant spandex fiber for elastic double-arbor Download PDFInfo
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- CN108193310B CN108193310B CN201711486184.7A CN201711486184A CN108193310B CN 108193310 B CN108193310 B CN 108193310B CN 201711486184 A CN201711486184 A CN 201711486184A CN 108193310 B CN108193310 B CN 108193310B
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- stirring
- heat
- spandex fiber
- prefabricated material
- elastic double
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- 229920002334 Spandex Polymers 0.000 title claims abstract description 35
- 239000000835 fiber Substances 0.000 title claims abstract description 35
- 239000004759 spandex Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 49
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 33
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009987 spinning Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 15
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 15
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 230000001112 coagulating effect Effects 0.000 claims abstract description 13
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000004814 polyurethane Substances 0.000 claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 11
- 239000000839 emulsion Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 6
- 229960001763 zinc sulfate Drugs 0.000 claims description 6
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 15
- 238000004043 dyeing Methods 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 239000004223 monosodium glutamate Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- 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
- D01D5/06—Wet spinning methods
-
- 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
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)
- Artificial Filaments (AREA)
Abstract
The invention discloses a preparation method of heat-resistant spandex fiber for elastic double-arbor, which comprises the following steps: stirring sodium carboxymethylcellulose and a sodium hydroxide solution, adding octadecylamine, continuously stirring, centrifuging, washing, adding hydrochloric acid, stirring, filtering and drying to obtain a first prefabricated material; adding a dispersing agent and water into the first prefabricated material, uniformly stirring, adding a polyurethane emulsion, blending, stirring, dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material; and metering the second prefabricated material by a metering pump, feeding the second prefabricated material into a coagulating bath through a candle filter and a spinning nozzle for spinning, desulfurizing, washing, oiling and drying to obtain the heat-resistant spandex fiber for the elastic double-arbor. The method is simple, low in cost and environment-friendly, and the obtained spandex fiber has the characteristics of high heat resistance, high elasticity and high-temperature rinsing resistance, is suitable for high-temperature printing and dyeing, can be applied to various elastic fabrics, and can meet the requirements of novel fabrics and high-grade fabrics.
Description
Technical Field
The invention relates to the technical field of spandex fibers, in particular to a preparation method of heat-resistant spandex fibers for elastic double-arbor.
Background
Spandex is a polyurethane elastic fiber called as 'fabric monosodium glutamate', and has a 'non-ammonia non-cloth forming' statement in the industry, so that the spandex is one of key factors for improving the fabric quality. With the continuous progress of society, people put new requirements on the aesthetic degree and the comfort of textiles.
The spandex is used to enable the fabric to become a composite material, is a key factor for improving the quality of the fabric, has new functions, is widely added into the elastic double-arbor fabric at present, has soft hand feeling and bright luster, and is deeply loved by consumers. However, the thermal stability and mechanical properties of the spandex fiber at present cannot meet the requirements, and the problem needs to be solved urgently.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of the heat-resistant spandex fiber for the elastic double-arbor, the method is simple, the cost is low, the environment is protected, the obtained spandex fiber has the characteristics of high heat resistance, high elasticity and high-temperature rinsing resistance, the surface softness is extremely high, the mechanical property is good, the fiber is not easy to break, the fiber is suitable for high-temperature printing and dyeing, and the fiber can be applied to various elastic fabrics and can meet the requirements of novel fabrics and high-grade fabrics.
The invention provides a preparation method of heat-resistant spandex fiber for elastic double-arbor, which comprises the following steps:
s1, stirring sodium carboxymethylcellulose and a sodium hydroxide solution, adding octadecylamine, continuously stirring, centrifuging, washing, adding hydrochloric acid, stirring, filtering, and drying to obtain a first prefabricated material;
s2, adding a dispersing agent and water into the first prefabricated material, uniformly stirring, adding a polyurethane emulsion, blending, stirring, dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
and S3, metering the second prefabricated material by a metering pump, feeding the second prefabricated material into a coagulating bath through a candle filter and a spinneret for spinning, desulfurizing, washing with water, oiling and drying to obtain the heat-resistant spandex fiber for the elastic double-arbor.
Preferably, in S1, the sodium carboxymethylcellulose and the sodium hydroxide solution are stirred for 20-40min at a stirring speed of 500-600r/min and at a stirring temperature of 60-70 ℃.
Preferably, in S1, the weight ratio of sodium carboxymethylcellulose to sodium hydroxide solution to octadecylamine to hydrochloric acid is 5-10: 40-60: 1-5: 40 to 80, the concentration of the sodium hydroxide solution is 0.8 to 1.2mol/L, and the concentration of the hydrochloric acid is 0.2 to 0.4 mol/L.
Preferably, in S2, the dispersant and water are added into the first prefabricated material and stirred uniformly, and the stirring temperature is 65-75 ℃.
Preferably, in S2, the weight ratio of the first preform, the dispersing agent, the water and the polyurethane emulsion is 40-50: 3-6: 100-120: 100-150.
Preferably, in S3, the spinning speed is 10-15 m/min.
Preferably, in S3, the concentration of sulfuric acid in the coagulation bath is 20-24g/L, the concentration of sodium sulfate is 30-35g/L, and the concentration of zinc sulfate is 10-14 g/L; the temperature of the coagulating bath is 4-10 ℃.
The spandex fiber obtained by the invention has the characteristics of high heat resistance, high elasticity and high-temperature rinsing resistance, has extremely high surface softness, good mechanical property and difficult fracture, can still maintain higher performance even being continuously subjected to high-temperature steam treatment for 100min, is suitable for high-temperature printing and dyeing at 200 ℃, can be applied to various elastic fabrics, and can meet the requirements of novel fabrics and high-grade fabrics.
In the S1, carboxyl on the surface of the sodium carboxymethyl cellulose reacts with amino of the octadecylamine to graft the octadecylamine onto the surface of the sodium carboxymethyl cellulose, so that the characteristic of high crystallinity of the sodium carboxymethyl cellulose can be kept, the thermal stability is excellent, the textile performance can be improved, the spinning flexibility can be improved, and the sodium carboxymethyl cellulose can be compounded and spun with polyurethane emulsion, has good dispersibility, uniform mutual dispersion, high bonding strength, good spinning effect, excellent mechanical property and difficult fracture, can effectively avoid the damage of light irradiation, oxygen and acid and alkali, and has the advantages of simple method, low cost and no environmental pollution.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
A preparation method of heat-resistant spandex fiber for elastic double-arbor comprises the following steps:
s1, stirring 5g of sodium carboxymethylcellulose and 60g of 0.8mol/L sodium hydroxide solution for 40min at the stirring speed of 500r/min and the stirring temperature of 70 ℃, adding 1g of octadecylamine, continuing stirring for 12min, centrifuging, washing, adding 40g of 0.4mol/L hydrochloric acid, stirring for 2min, filtering, and drying to obtain a first prefabricated material;
s2, adding 3g of dispersing agent and 120g of water into 50g of first prefabricated material, uniformly stirring at 65 ℃, adding 150g of polyurethane emulsion, blending, stirring for dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
s3, metering the second prefabricated material by a metering pump, then, entering a coagulating bath with the temperature of 4 ℃ through a candle filter and a spinneret for spinning at the spinning speed of 15m/min, desulfurizing, washing with water, oiling, and drying to obtain the heat-resistant spandex fiber for the elastic double georges; wherein in the coagulating bath, the concentration of sulfuric acid is 20g/L, the concentration of sodium sulfate is 35g/L, and the concentration of zinc sulfate is 10 g/L.
Example 2
A preparation method of heat-resistant spandex fiber for elastic double-arbor comprises the following steps:
s1, stirring 10g of sodium carboxymethylcellulose and 40g of sodium hydroxide solution with the concentration of 1.2mol/L for 20min at the stirring speed of 600r/min and the stirring temperature of 60 ℃, adding 5g of octadecylamine, continuing stirring for 5min, centrifuging, washing, adding 80g of hydrochloric acid with the concentration of 0.2mol/L, stirring for 4min, filtering, and drying to obtain a first prefabricated material;
s2, adding 6g of dispersing agent and 100g of water into 40g of first prefabricated material, uniformly stirring at 75 ℃, adding 100g of polyurethane emulsion, blending, stirring for dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
s3, metering the second prefabricated material by a metering pump, then, entering a coagulating bath with the temperature of 10 ℃ through a candle filter and a spinneret for spinning at the spinning speed of 10m/min, desulfurizing, washing with water, oiling, and drying to obtain the heat-resistant spandex fiber for the elastic double georges; wherein in the coagulating bath, the concentration of sulfuric acid is 24g/L, the concentration of sodium sulfate is 30g/L, and the concentration of zinc sulfate is 14 g/L.
Example 3
A preparation method of heat-resistant spandex fiber for elastic double-arbor comprises the following steps:
s1, stirring 6g of sodium carboxymethylcellulose and 55g of 0.9mol/L sodium hydroxide solution for 35min at the stirring speed of 520r/min and the stirring temperature of 66 ℃, adding 2g of octadecylamine, continuing stirring for 10min, centrifuging, washing, adding 50g of 0.35mol/L hydrochloric acid, stirring for 2.5min, filtering, and drying to obtain a first prefabricated material;
s2, adding 4g of dispersing agent and 115g of water into 46g of first prefabricated material, uniformly stirring at the temperature of 68 ℃, then adding 140g of polyurethane emulsion, blending, stirring for dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
s3, metering the second prefabricated material by a metering pump, feeding the second prefabricated material into a coagulating bath at the temperature of 6-8 ℃ through a candle filter and a spinneret for spinning at the spinning speed of 12m/min, and desulfurizing, washing, oiling and drying to obtain the heat-resistant spandex fiber for the elastic double-georgette; wherein in the coagulating bath, the concentration of sulfuric acid is 23g/L, the concentration of sodium sulfate is 32g/L, and the concentration of zinc sulfate is 13 g/L.
Example 4
A preparation method of heat-resistant spandex fiber for elastic double-arbor comprises the following steps:
s1, stirring 8g of sodium carboxymethylcellulose and 45g of 1.1mol/L sodium hydroxide solution at the stirring speed of 580r/min and the stirring temperature of 64 ℃, adding 4g of octadecylamine, continuing stirring for 8min, centrifuging, washing, adding 70g of 0.25mol/L hydrochloric acid, stirring for 3.5min, filtering, and drying to obtain a first prefabricated material;
s2, adding 5g of dispersing agent and 105g of water into 44g of first prefabricated material, uniformly stirring at 72 ℃, adding 120g of polyurethane emulsion, blending, stirring for dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
s3, metering the second prefabricated material by a metering pump, then, entering a coagulating bath with the temperature of 8 ℃ through a candle filter and a spinneret for spinning at the spinning speed of 12m/min, desulfurizing, washing with water, oiling, and drying to obtain the heat-resistant spandex fiber for the elastic double georges; wherein in the coagulating bath, the concentration of sulfuric acid is 23g/L, the concentration of sodium sulfate is 32g/L, and the concentration of zinc sulfate is 13 g/L.
The heat-resistant spandex fiber for elastic double georges and the ordinary spandex fiber obtained in example 4 were subjected to performance tests, and the results thereof were as follows:
| example 4The resulting spandex fiber | Ordinary spandex fiber | |
| 300% stress, CN | 18.8 | 21.2 |
| Breaking strength, CN | 120.3 | 109.2 |
| Elongation at break,% | 941 | 618 |
| The first exothermic peak corresponds to the temperature, deg.C | 290 | 217 |
| 99.9% residual temperature, DEG C | 243 | 208 |
| 99.0% residual temperature, DEG C | 284 | 235 |
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A preparation method of heat-resistant spandex fiber for elastic double-arbor is characterized by comprising the following steps:
s1, stirring sodium carboxymethylcellulose and a sodium hydroxide solution, adding octadecylamine, continuously stirring, centrifuging, washing, adding hydrochloric acid, stirring, filtering, and drying to obtain a first prefabricated material;
s2, adding a dispersing agent and water into the first prefabricated material, uniformly stirring, adding a polyurethane emulsion, blending, stirring, dispersing, standing, and discharging bubbles in vacuum to obtain a second prefabricated material;
s3, metering the second prefabricated material by a metering pump, feeding the second prefabricated material into a coagulating bath through a candle filter and a spinneret for spinning, desulfurizing, washing with water, oiling and drying to obtain the heat-resistant spandex fiber for the elastic double-arbor;
in S1, the weight ratio of sodium carboxymethylcellulose to sodium hydroxide solution to octadecylamine to hydrochloric acid is 5-10: 40-60: 1-5: 40 to 80, the concentration of the sodium hydroxide solution is 0.8 to 1.2mol/L, and the concentration of the hydrochloric acid is 0.2 to 0.4 mol/L.
2. The method for preparing the heat-resistant spandex fiber for the elastic double georges as claimed in claim 1, wherein in S1, the solution of sodium carboxymethyl cellulose and sodium hydroxide is stirred for 20-40min at a stirring speed of 500-600r/min and at a stirring temperature of 60-70 ℃.
3. The method for preparing the heat-resistant spandex fiber for the elastic double georgette as claimed in claim 1 or 2, wherein in the step S2, a dispersant and water are added into the first preform and stirred uniformly, and the stirring temperature is 65-75 ℃.
4. The method for preparing the heat-resistant spandex fiber for the elastic double georges according to claim 1 or 2, wherein in the S2, the weight ratio of the first preform, the dispersing agent, the water and the polyurethane emulsion is 40-50: 3-6: 100-120: 100-150.
5. The method for preparing heat-resistant spandex fiber for stretch double georges according to claim 1 or 2, characterized in that in S3, the spinning speed is 10 to 15 m/min.
6. The method for preparing the heat-resistant spandex fiber for the elastic double georges according to claim 1 or 2, characterized in that in S3, the concentration of sulfuric acid is 20-24g/L, the concentration of sodium sulfate is 30-35g/L, and the concentration of zinc sulfate is 10-14g/L in a coagulation bath; the temperature of the coagulating bath is 4-10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486184.7A CN108193310B (en) | 2017-12-30 | 2017-12-30 | Preparation method of heat-resistant spandex fiber for elastic double-arbor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486184.7A CN108193310B (en) | 2017-12-30 | 2017-12-30 | Preparation method of heat-resistant spandex fiber for elastic double-arbor |
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| Publication Number | Publication Date |
|---|---|
| CN108193310A CN108193310A (en) | 2018-06-22 |
| CN108193310B true CN108193310B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109925A (en) * | 1994-01-29 | 1995-10-11 | 赫彻斯特股份公司 | Aminierte cellulose-regeneratfasern |
| CN104726956A (en) * | 2015-03-13 | 2015-06-24 | 东华大学 | Preparation method of cyclodextrin compound modified polyurethane elastic fibers |
-
2017
- 2017-12-30 CN CN201711486184.7A patent/CN108193310B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109925A (en) * | 1994-01-29 | 1995-10-11 | 赫彻斯特股份公司 | Aminierte cellulose-regeneratfasern |
| CN104726956A (en) * | 2015-03-13 | 2015-06-24 | 东华大学 | Preparation method of cyclodextrin compound modified polyurethane elastic fibers |
Non-Patent Citations (1)
| Title |
|---|
| 填充剂改性羧甲基纤维素对聚氨酯(PU)膜性能的影响;毛志平等;《东华大学学报(自然科学版)》;19960831(第04期);第91-96页 * |
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Denomination of invention: A Preparation Method of Heat-resistant Spandex Fiber for Elastic Double Qiao Effective date of registration: 20230613 Granted publication date: 20201113 Pledgee: Anhui Guangde Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI HONGXIANG SILK WEAVING Co.,Ltd. Registration number: Y2023980043707 |
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