CN107201643B - A method of improving 6 fishing net dyeability of nylon - Google Patents
A method of improving 6 fishing net dyeability of nylon Download PDFInfo
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- CN107201643B CN107201643B CN201710426676.0A CN201710426676A CN107201643B CN 107201643 B CN107201643 B CN 107201643B CN 201710426676 A CN201710426676 A CN 201710426676A CN 107201643 B CN107201643 B CN 107201643B
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- nylon
- fishing net
- master batch
- activation process
- dyeability
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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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/14—Chemical modification with acids, their salts or anhydrides
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
Abstract
The invention discloses a kind of methods improving 6 fishing net dyeability of nylon, after activation process being carried out to 6 master batch of nylon, 6 fishing net of nylon is made in 6 master batch of nylon after activation process again, then 6 fishing net of manufactured nylon is preheated, Low Temperature Plasma Treating is carried out to 6 fishing net of nylon after preheating again, it uses grape pip extracting solution to impregnate again, is then dried, you can carry out dyeing processing；By the activation process to 6 master batch of nylon, the structural behaviour of 6 master batch of nylon can significantly improve so that dyeability of 6 master batch of nylon after 6 fishing net of nylon is made obtains a degree of raising.
Description
Technical field
The invention belongs to fishing net staining technique fields, and in particular to a method of improving 6 fishing net dyeability of nylon.
Background technology
Fishing net is fishing net, and modern fishing net mainly uses polyethylene, the raw materials such as nylon to be processed, and has longer make
With period and higher catching rate, the fishing net with nylon 6 for material preparation apply it is more and more, according to the demand in market,
It needs to carry out different dyeing processing to 6 fishing net of nylon, improves its performance, but 6 fishing net dyeing of existing nylon,
The dyeability of 6 fishing net of nylon is general, and upper dye amount is relatively low during being dyed, and dye levels are shallow.
Invention content
The purpose of the present invention is for existing problem, provide a kind of method improving 6 fishing net dyeability of nylon.
The present invention is achieved by the following technical solutions：
A method of 6 fishing net dyeability of nylon is improved, after carrying out activation process to 6 master batch of nylon, then will be through making a living
Change that treated that 6 fishing net of nylon is made in 6 master batch of nylon, then 6 fishing net of manufactured nylon is preheated, then to the Buddhist nun after preheating
Imperial 6 fishing nets carry out Low Temperature Plasma Treating, then are impregnated using grape pip extracting solution, are then dried, you can dyed
Processing.
Further, described to be specially to 6 master batch of nylon progress activation process：6 master batch of nylon and deionized water are pressed 1：
12-15 mass ratios uniformly mix, and the alum of 6 master batch quality 1.2% of nylon is then added, is added in blender
40min is stirred under 1200r/min rotating speeds, and the pH of suspension is then adjusted to by 8.8-9.2 using ammonium hydroxide, is heated to 90 DEG C, with
After 120r/min rotating speeds stir 30min, using 350W ultrasonication 10-12min, then 6 master batch quality 0.08% of nylon is added
Ammonium persulfate after stirring evenly, 15-18min is kept the temperature at 72 DEG C, is then filtered, is dried to constant weight at 60 DEG C,
.
Further, 6 master batch of nylon by after activation process is made 6 fishing net of nylon and is specially：At activation
6 master batch of nylon after reason in an extruder melting extrusion, cooling preliminary draft, drafting forming, wind, line processed, knitmesh, nylon is made
6 fishing nets.
Further, described that 6 fishing net of manufactured nylon is preheated, specially：6 fishing net of nylon is placed on air phase
In the environment for being 70-75% to humidity, environment temperature is raised to 1 DEG C/min rates to 65-68 DEG C, keeps the temperature 40min, you can.
Further, 6 fishing net of nylon after described pair of preheating is into Low Temperature Plasma Treating：By 6 fishing net of nylon using low
Isothermal plasma is handled, and processing gas is carbon dioxide, operating pressure 100Pa, processing power 180W, processing time
For 20-25s, you can.
Further, the grape pip extraction liquid and preparation method thereof is：Grape pip and camellia seed are pressed 10：1 mass ratio is mixed
It is combined together, smashs to pieces, 80% concentration of volume percent alcohol solvent is then used, by solid-liquid ratio 1:20, it flows back and carries at 60 DEG C
3h is taken, supernatant is centrifuged to obtain, is concentrated using rotary evaporation, is then freeze-dried and solid extract is made, by solid extract
By 1：The sodium hydroxide solution that 40 mass ratios and mass fraction are 0.1% uniformly it is admixed together to get.
Further, it is specially using the immersion of grape pip extracting solution：6 fishing net of nylon is put into grape pip extracting solution
It impregnates 2 hours, then takes out at 40-50 DEG C, you can.
The present invention has the following advantages compared with prior art：By the activation process to 6 master batch of nylon, can significantly improve
The structural behaviour of 6 master batch of nylon so that dyeability of 6 master batch of nylon after 6 fishing net of nylon is made obtains a degree of carry
Height can further change by being preheated to 6 fishing net of nylon, Low Temperature Plasma Treating, grape pip extracting solution immersion treatment
The surface structure properties of 6 fishing net of kind nylon, improving 6 fishing net of nylon can by the synergistic effect of three to the upper dye amount of dyestuff
So that 6 surface of nylon generates microcosmic sliding and forms tired source, surface microscopic fatigue crack is generated, so as to improve nylon 6
Fishing net surface roughness, and the affinity on 6 fishing net surface of nylon can be improved, dye molecule can be easier to enter wherein,
It mutually combines closely with 6 fishing net surface of nylon, can be easier to be diffused into the inside of 6 fishing net of nylon by microfissure, and expand
Scattered is more uniform, and diffusion rate is fast, and dyefastness is good.
Specific implementation mode
Embodiment 1
A method of 6 fishing net dyeability of nylon is improved, after carrying out activation process to 6 master batch of nylon, then will be through making a living
Change that treated that 6 fishing net of nylon is made in 6 master batch of nylon, then 6 fishing net of manufactured nylon is preheated, then to the Buddhist nun after preheating
Imperial 6 fishing nets carry out Low Temperature Plasma Treating, then are impregnated using grape pip extracting solution, are then dried, you can dyed
Processing.
It is described to be specially to 6 master batch of nylon progress activation process：6 master batch of nylon and deionized water are pressed 1：12 mass ratios
Then uniformly mixing is added the alum of 6 master batch quality 1.2% of nylon, is added in blender under 1200r/min rotating speeds
40min is stirred, the pH of suspension is then adjusted to 8.8 using ammonium hydroxide, is heated to 90 DEG C, is stirred with 120r/min rotating speeds
After 30min, using 350W ultrasonication 10min, then the ammonium persulfate of 6 master batch quality 0.08% of nylon is added, stirred evenly
Afterwards, 15min is kept the temperature at 72 DEG C, is then filtered, and is dried at 60 DEG C to constant weight, you can.
6 fishing net of nylon is made in 6 master batch of nylon by after activation process：By the nylon after activation process
6 master batches in an extruder melting extrusion, cooling preliminary draft, drafting forming, wind, line processed, knitmesh, 6 fishing net of nylon is made.
It is described that 6 fishing net of manufactured nylon is preheated, specially：6 fishing net of nylon, which is placed on relative air humidity, is
In 70% environment, environment temperature is raised to 1 DEG C/min rates to 65 DEG C, keeps the temperature 40min, you can.
6 fishing net of nylon after described pair of preheating is into Low Temperature Plasma Treating：6 fishing net of nylon is used into low temperature plasma
It is handled, processing gas is carbon dioxide, operating pressure 100Pa, processing power 180W, processing time 20s, i.e.,
It can.
The grape pip extracts liquid and preparation method thereof：Grape pip and camellia seed are pressed 10：1 mass ratio is admixed together,
It smashs to pieces, 80% concentration of volume percent alcohol solvent is then used, by solid-liquid ratio 1:20, the refluxing extraction 3h at 60 DEG C, centrifugation
Supernatant is obtained, is concentrated using rotary evaporation, is then freeze-dried and solid extract is made, solid extract is pressed 1：40 mass
The sodium hydroxide solution that ratio and mass fraction are 0.1% uniformly it is admixed together to get.
It is specially using the immersion of grape pip extracting solution：6 fishing net of nylon is put into grape pip extracting solution and impregnates 2 at 40 DEG C
Hour, it then takes out, you can.
Embodiment 2
A method of 6 fishing net dyeability of nylon is improved, after carrying out activation process to 6 master batch of nylon, then will be through making a living
Change that treated that 6 fishing net of nylon is made in 6 master batch of nylon, then 6 fishing net of manufactured nylon is preheated, then to the Buddhist nun after preheating
Imperial 6 fishing nets carry out Low Temperature Plasma Treating, then are impregnated using grape pip extracting solution, are then dried, you can dyed
Processing.
It is described to be specially to 6 master batch of nylon progress activation process：6 master batch of nylon and deionized water are pressed 1：15 mass ratios
Then uniformly mixing is added the alum of 6 master batch quality 1.2% of nylon, is added in blender under 1200r/min rotating speeds
40min is stirred, the pH of suspension is then adjusted to 9.2 using ammonium hydroxide, is heated to 90 DEG C, is stirred with 120r/min rotating speeds
After 30min, using 350W ultrasonication 12min, then the ammonium persulfate of 6 master batch quality 0.08% of nylon is added, stirred evenly
Afterwards, 18min is kept the temperature at 72 DEG C, is then filtered, and is dried at 60 DEG C to constant weight, you can.
6 fishing net of nylon is made in 6 master batch of nylon by after activation process：By the nylon after activation process
6 master batches in an extruder melting extrusion, cooling preliminary draft, drafting forming, wind, line processed, knitmesh, 6 fishing net of nylon is made.
It is described that 6 fishing net of manufactured nylon is preheated, specially：6 fishing net of nylon, which is placed on relative air humidity, is
In 75% environment, environment temperature is raised to 1 DEG C/min rates to 68 DEG C, keeps the temperature 40min, you can.
6 fishing net of nylon after described pair of preheating is into Low Temperature Plasma Treating：6 fishing net of nylon is used into low temperature plasma
It is handled, processing gas is carbon dioxide, operating pressure 100Pa, processing power 180W, processing time 25s, i.e.,
It can.
The grape pip extracts liquid and preparation method thereof：Grape pip and camellia seed are pressed 10：1 mass ratio is admixed together,
It smashs to pieces, 80% concentration of volume percent alcohol solvent is then used, by solid-liquid ratio 1:20, the refluxing extraction 3h at 60 DEG C, centrifugation
Supernatant is obtained, is concentrated using rotary evaporation, is then freeze-dried and solid extract is made, solid extract is pressed 1：40 mass
The sodium hydroxide solution that ratio and mass fraction are 0.1% uniformly it is admixed together to get.
It is specially using the immersion of grape pip extracting solution：6 fishing net of nylon is put into grape pip extracting solution and impregnates 2 at 50 DEG C
Hour, it then takes out, you can.
Embodiment 3
A method of 6 fishing net dyeability of nylon is improved, after carrying out activation process to 6 master batch of nylon, then will be through making a living
Change that treated that 6 fishing net of nylon is made in 6 master batch of nylon, then 6 fishing net of manufactured nylon is preheated, then to the Buddhist nun after preheating
Imperial 6 fishing nets carry out Low Temperature Plasma Treating, then are impregnated using grape pip extracting solution, are then dried, you can dyed
Processing.
It is described to be specially to 6 master batch of nylon progress activation process：6 master batch of nylon and deionized water are pressed 1：14 mass ratios
Then uniformly mixing is added the alum of 6 master batch quality 1.2% of nylon, is added in blender under 1200r/min rotating speeds
40min is stirred, the pH of suspension is then adjusted to 9.0 using ammonium hydroxide, is heated to 90 DEG C, is stirred with 120r/min rotating speeds
After 30min, using 350W ultrasonication 11min, then the ammonium persulfate of 6 master batch quality 0.08% of nylon is added, stirred evenly
Afterwards, 16min is kept the temperature at 72 DEG C, is then filtered, and is dried at 60 DEG C to constant weight, you can.
6 fishing net of nylon is made in 6 master batch of nylon by after activation process：By the nylon after activation process
6 master batches in an extruder melting extrusion, cooling preliminary draft, drafting forming, wind, line processed, knitmesh, 6 fishing net of nylon is made.
It is described that 6 fishing net of manufactured nylon is preheated, specially：6 fishing net of nylon, which is placed on relative air humidity, is
In 72% environment, environment temperature is raised to 1 DEG C/min rates to 66 DEG C, keeps the temperature 40min, you can.
6 fishing net of nylon after described pair of preheating is into Low Temperature Plasma Treating：6 fishing net of nylon is used into low temperature plasma
It is handled, processing gas is carbon dioxide, operating pressure 100Pa, processing power 180W, processing time 22s, i.e.,
It can.
The grape pip extracts liquid and preparation method thereof：Grape pip and camellia seed are pressed 10：1 mass ratio is admixed together,
It smashs to pieces, 80% concentration of volume percent alcohol solvent is then used, by solid-liquid ratio 1:20, the refluxing extraction 3h at 60 DEG C, centrifugation
Supernatant is obtained, is concentrated using rotary evaporation, is then freeze-dried and solid extract is made, solid extract is pressed 1：40 mass
The sodium hydroxide solution that ratio and mass fraction are 0.1% uniformly it is admixed together to get.
It is specially using the immersion of grape pip extracting solution：6 fishing net of nylon is put into grape pip extracting solution and impregnates 2 at 45 DEG C
Hour, it then takes out, you can.
Comparative example 1：It is differed only in embodiment 1 and activation process is not carried out to 6 master batch of nylon.
Comparative example 2：It is differed only in embodiment 1 and the pre-heat treatment is not carried out to 6 fishing net of nylon.
Comparative example 3：It is differed only in embodiment 1 and Low Temperature Plasma Treating is not carried out to 6 fishing net of nylon.
Comparative example 4：It is differed only in embodiment 1 and grape pip extracting solution immersion treatment is not used to 6 fishing net of nylon.
Experiment：Using infrared high-temperature overflow dyeing machine, dyestuff is cationic red 5BL, respectively to embodiment and comparative example method
6 fishing net of nylon of processing is dyed, bath raio 1：40, dyeing condition is：55 DEG C enter dye, 2 DEG C of heating per minute, until 93
DEG C stop, being cooled to 60 DEG C of cleaning fishing net surface loose colour 10min, drying to constant weight at 60 DEG C, using ultraviolet specrophotometer
Test dyeing stoste optical density, records dye liquor raffinate absorbance, calculates and contaminated on the nylon 6 of dyeing time 2min, 5min and 10min
Amount of dye：
Table 1
Control group is：6 fishing net of nylon is made using common 6 master batch of untreated nylon, by Low Temperature Plasma Treating
After dyed, Low Temperature Plasma Treating method and colouring method are the same as this experiment；
By table 1 can the upper dye amount of dye of 6 fishing net of nylon can be improved in the application to the activation process of 6 master batch of nylon,
The pre-heat treatment is carried out to fishing net, carries out grape pip extracting solution immersion treatment after Low Temperature Plasma Treating, it being capable of cooperating with low-temperature
The effect of corona treatment improves the upper dye amount of dye of 6 fishing net of nylon, improves the dyeability of 6 fishing net of nylon.
Claims (3)
1. a kind of method improving 6 fishing net dyeability of nylon, which is characterized in that after carrying out activation process to 6 master batch of nylon, then
6 fishing net of nylon is made in 6 master batch of nylon after activation process, then 6 fishing net of manufactured nylon is preheated, then to pre-
6 fishing net of nylon after heat carries out Low Temperature Plasma Treating, then is impregnated using grape pip extracting solution, is then dried, you can
Carry out dyeing processing；It is described to be specially to 6 master batch of nylon progress activation process：6 master batch of nylon and deionized water are pressed 1：12-15
Mass ratio uniformly mixes, and the alum of 6 master batch quality 1.2% of nylon is then added, is added in blender in 1200r/
40min is stirred under min rotating speeds, and the pH of suspension is then adjusted to by 8.8-9.2 using ammonium hydroxide, 90 DEG C are heated to, with 120r/
After min rotating speeds stir 30min, using 350W ultrasonication 10-12min, then the over cure of 6 master batch quality 0.08% of nylon is added
Sour ammonium after stirring evenly, 15-18min is kept the temperature at 72 DEG C, is then filtered, is dried at 60 DEG C to constant weight, i.e.,
It can；6 fishing net of nylon is made in 6 master batch of nylon by after activation process：By 6 master batch of nylon after activation process
In an extruder melting extrusion, cooling preliminary draft, drafting forming, wind, line processed, knitmesh, 6 fishing net of nylon is made；Described pair of system
At 6 fishing net of nylon preheated, specially：6 fishing net of nylon is placed in the environment that relative air humidity is 70-75%, it will
Environment temperature is raised to 1 DEG C/min rates to 65-68 DEG C, keeps the temperature 40min, you can；6 fishing net of nylon after described pair of preheating is into low
Isothermal plasma processing：6 fishing net of nylon is handled using low temperature plasma, processing gas is carbon dioxide, work pressure
Power is 100Pa, processing power 180W, processing time 20-25s, you can.
2. a kind of method improving 6 fishing net dyeability of nylon according to claim 1, which is characterized in that the grape
Seed extracts liquid and preparation method thereof：Grape pip and camellia seed are pressed 10：1 mass ratio is admixed together, smashs to pieces, then uses 80%
Concentration of volume percent alcohol solvent, by solid-liquid ratio 1:20, the refluxing extraction 3h at 60 DEG C centrifuge to obtain supernatant, using rotation
Turn to be concentrated by evaporation, be then freeze-dried and solid extract is made, solid extract is pressed 1：40 mass ratios are with mass fraction
0.1% sodium hydroxide solution uniformly it is admixed together to get.
3. a kind of method improving 6 fishing net dyeability of nylon according to claim 2, which is characterized in that use grape
Seed extracting solution impregnates：6 fishing net of nylon is put into grape pip extracting solution and is impregnated 2 hours at 40-50 DEG C, is then taken
Go out, you can.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710426676.0A CN107201643B (en) | 2017-06-08 | 2017-06-08 | A method of improving 6 fishing net dyeability of nylon |
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| CN201710426676.0A CN107201643B (en) | 2017-06-08 | 2017-06-08 | A method of improving 6 fishing net dyeability of nylon |
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| CN107201643B true CN107201643B (en) | 2018-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107897134B (en) * | 2017-12-08 | 2021-05-14 | 巢湖市翔宇渔具有限公司 | Fishing net capable of improving fishing amount |
| CN108049215A (en) * | 2017-12-08 | 2018-05-18 | 巢湖市翔宇渔具有限公司 | A kind of fishing net colouring method |
| CN108823677B (en) * | 2018-07-02 | 2020-11-03 | 巢湖市天宇渔具有限公司 | Processing method of heat-resistant fishing net drawn wire with good toughness |
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| CN1111296A (en) * | 1994-05-05 | 1995-11-08 | 李小平 | Method of producing antibacterial synthetic filament |
| CN1148107A (en) * | 1995-10-17 | 1997-04-23 | 北京京海八达实业公司 | Method for producing raw material of anti-bacteria nylon |
| CN101476248A (en) * | 2009-01-20 | 2009-07-08 | 西安际华三五一一家纺有限公司 | Method for using natural grape seed dyeing extract in textile dyeing |
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2017
- 2017-06-08 CN CN201710426676.0A patent/CN107201643B/en active Active
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|---|---|---|---|---|
| CN1111296A (en) * | 1994-05-05 | 1995-11-08 | 李小平 | Method of producing antibacterial synthetic filament |
| CN1148107A (en) * | 1995-10-17 | 1997-04-23 | 北京京海八达实业公司 | Method for producing raw material of anti-bacteria nylon |
| CN101476248A (en) * | 2009-01-20 | 2009-07-08 | 西安际华三五一一家纺有限公司 | Method for using natural grape seed dyeing extract in textile dyeing |
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| 常压等离子体在尼龙染色中的应用;王春霞;《印染》;20061231(第16期);第6、7页1.1、1.2、1.3部分，第8页3部分 * |
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Address after: 238000 industrial concentration area, Huailin Town, Juchao District, Chaohu City, Anhui Province Patentee after: Chaohu Tianyu Fishing Gear Co.,Ltd. Address before: 238000 industrial concentration area, Huailin Town, Juchao District, Chaohu City, Anhui Province Patentee before: CHAOHU TIANYU FISHING TACKLE Co.,Ltd. |
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Denomination of invention: A Method for Improving the Dyeing Performance of Nylon 6 Fishing Nets Effective date of registration: 20230615 Granted publication date: 20180810 Pledgee: Hefei Xingtai technology financing Company limited by guarantee Pledgor: Chaohu Tianyu Fishing Gear Co.,Ltd. Registration number: Y2023980044144 |
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