CN102605510A - Polyamide fabric and production method thereof - Google Patents
Polyamide fabric and production method thereof Download PDFInfo
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- CN102605510A CN102605510A CN2011100271993A CN201110027199A CN102605510A CN 102605510 A CN102605510 A CN 102605510A CN 2011100271993 A CN2011100271993 A CN 2011100271993A CN 201110027199 A CN201110027199 A CN 201110027199A CN 102605510 A CN102605510 A CN 102605510A
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Abstract
The invention discloses a polyamide fabric and a production method thereof. The polyamide fabric at least contains modified polyamide fibers accounting for 20%-100% of the total weight of the fabric. The fabric is bleached and has the whiteness more than 50. The polyamide fabric is bleached before post-processing, so that the surface appearance of the polyamide fabric is improved and dying and resin treatment in post-processing are unaffected. The finished polyamide fabric is effective in fabric cover, highly elastic, less apt to deform, non-heavy, highly thermal-insulation, simple in processing method, low in cost, low in requirements on equipment and the like, and high in reliability.
Description
Technical field
The present invention relates to a kind of polyamide fabric and production method thereof.
Background technology
Because polyamide fiber has many premium properties, in dress material clothes, industry and carpet applications good application is arranged.But polyamide fiber also has some shortcomings, and is poor like light resistance, after receiving daylight or UV-irradiation for a long time, can cause the polyamide fiber scission of link to decompose intensity decreases, fiber yellowing; Like poor heat resistance, polyamide fabric is exposed in manufacturing procedures such as preliminary treatment, dyeing under the heat-treat condition, can cause the polyamide oxidation, makes that fabric takes place certain to fade, loss of strength, particularly be unstained or the white dyeing of fluorescence after fabric; Like polyamide fabric meeting yellowing in storage and transportation process of white or light color, in case the textiles yellowing, its outward appearance, service life and selling price etc. all can be had a greatly reduced quality.The reason of textiles yellowing is a lot, phenol xanthochromia comparatively commonly wherein, and the main cause that causes this phenomenon is to contain a kind of age resister 2,6-dual-tert-butyl-4-methylphenol (being called for short BHT) in the polyethylene film of the various used for textiles of storage.Because at memory period, BHT is volatile, transfers to polyamide fabric or above the clothes, and with air and packaging material (like hardboard etc.) in absorb or the nitrogen oxide that stores (like NO
2) complicated chemical reaction takes place, form yellow material.
In order to overcome above deficiency, also taked a series of measure, such as, after to add the man-hour baking temperature unsuitable too high; After add and prevent that with citric acid or acetic acid xanthochromia handles man-hour; The packing plastics film adopts the non-thermal plasticity film; Improve the storage environment, avoid high temperature, humidity and dust; Perhaps prevent the xanthochromia processing, add the reaction of acidic materials and terminal amino group, turn to be yellow thereby reach the inhibition polyamide fiber to reduce the content of terminal amino group in the polyamide at polymerization stage.But, the cost that has of these processing modes is high, feasibility is poor; The complex procedures that has is wayward; The effect that has is not remarkable.
Wherein modified polyamine fibre has improved the xanthochromia problem of product to a certain extent; But aetiolation still can inevitably take place in processing HEAT SETTING processing or long-time storing process in the back; For such problem; Generally depended in the past fabric face is handled, but the cloth cover effect is still not good with fluorescent whitening agent.In order to improve above problem, the someone has proposed fluorescent whitening agent is added in the polyamide yarn to improve whiteness.The improved whiteness before and after but this kind method is handled is not too obvious, and the HEAT SETTING processing of back processing still can produce the xanthochromia phenomenon.
Summary of the invention
The object of the invention is to provide a kind of simple for process, with low cost, the cloth cover color and luster is good and anti-xanthochromia effect is superior modified polyamide fabric and production method thereof.
Technical solution of the present invention is:
In order to solve the modified polyamide fabric fluorescence cloth cover effect that dyes in vain; And the yellowing problem that produces in the processes such as back processing HEAT SETTING is handled, transportation preservation; At least contain modified polyamine fibre in the polyamide fabric of the present invention; This modified polyamine fibre accounts for 20%～100% of this fabric gross weight, and this fabric is for what handle through bleaching, and its whiteness is more than 50.Before the processing of back, bleach processing, make the appearance of polyamide fabric improve, and do not influence dyeing processing and resin finishing in the processing of back; The cloth cover effect of gained final products is good, and this method is simple and easy, and cost is low; Equipment etc. is required low, feasibility is strong.
The modified polyamine fibre that uses among the present invention is the interpolation of having carried out the trace acidic additive in the spinning stage, has controlled the content of terminal amino group in the polyamide fiber, has suppressed fiber generation xanthochromia.Modified polyamine fibre of the present invention is full stretched yarn of polyamide or polyamide false-twisted yarn, and this modified polyamine fibre for its fibre-forming polymer is and terephthalic acid (TPA) combined polymerization and C
2～C
10Carboxylic acid or its derivative (preferred C
2～C
6Carboxylic acid or its derivative) modified polyamide behind the blending reaction, the terminal amino group content of fibre-forming polymer polyamide is 1.0 * 10
-5～3.0 * 10
-5Mol/g, the rerum natura of the yarn that is spun into according to its polymer is suitable with common polyamide yarn.
Because the filament number and the single line radical of modified polyamine fibre can impact feel, the light weight sense of processing fabric, choose the modified polyamide yarn that filament number is little, radical is few as far as possible, the fiber number of polyamide yarn of the present invention is 20～200 DENIERs.
Can also contain in other natural fabrics or the chemical fibre one or more in the polyamide fabric of the present invention, for example cotton, viscose glue, PET, CDP, PU, acrylic fibers or the like can interweave but can purely spin blending, mainly decide according to the purposes of processing fabric.As, be used for Lingerie, brassiere purposes, select modified polyamine fibre and PU shuffling, using the yarn proportioning is 97～80: 3～20; Be used for the feather dress fabric purposes, can select 100% modified polyamide.
Polyamide fabric of the present invention can be woven fabric or knitted fabric.When this fabric is woven fabric, can adopt plain weave, twill, satin weave or other alternative constructions; When this fabric is knitted fabric, can adopt that latitude is flat, rib-loop, through flat, warp sateen or other alternative constructions.
Polyamide fabric of the present invention, its heat endurance, yellowing resistance obviously are superior to the fabric of other fibrous raw materials such as common polyamide fabric or cotton fiber, and fastness to light is more than 4 grades; Weather-proof fastness is more than 4 grades; Resistance to oxidation nitrogen fastness is more than 4 grades; Anti-vanillic aldehyde xanthochromia property is more than 4 grades, and change yellow degree is below 7; Anti-phenol xanthochromia property is more than 4 grades; Withstand voltage boiling hot moulding xanthochromia property is more than 4 grades, and change yellow degree is below 4.
The production method of polyamide fabric of the present invention; Be that the fabric that will contain 20%～100% modified polyamine fibre at least obtains under uniform temperature, time, handle the back via the solution that contains bleaching agent, all the other rear processing finishing conditions adopt the processing conditions of common polyamide fabric.Fabric whiteness after the processing is more than 50, with handle before compare, whiteness has improved 5～40%, the strength damage of fabric is below 20%, satisfies dress material and takes requirement.
Bleaching agent of the present invention can be a kind of in sodium chlorite, clorox, calcium hypochlorite, sodium dichloro cyanurate, hydrogen peroxide, sodium perborate, SODIUM PERCARBONATE, potassinm permanganate, Peracetic acid, the sodium hydrosulfite; Consider the alkaline-resisting not acidproof and oxidant of polyamide fiber; And take all factors into consideration the actual conditions such as equipment of processing cost and factory, preferred hydrogen peroxide.Because hydrogen peroxide can cause certain decomposition to polyamide fabric, solution concentration is unsuitable too high, preferred 3～15g/L.
The temperature that contains the solution of bleaching agent is 10～100 ℃, and be 10～90min contact time.Experiment condition according to reality compares; When bleaching was handled, treatment effect reached optimum when temperature and time reached certain value, if improve temperature again or time expand can not bring better effect; It is unfavorable to cause cloth cover on the contrary; Therefore temperature is preferred 20～100 ℃, most preferably 60～100 ℃, contact time preferred 10～60min.
Modified polyamide fabric of the present invention is compared with common polyamide fabric; Whiteness is significantly improved; And improved the cloth cover effect after the white dyeing of modified polyamide fabric fluorescence; And because of the xanthochromia problem that HEAT SETTING is handled or reason such as transportation preservation causes, used processing mode is little to the performance impact of fabric, and is simple.
The specific embodiment
The test mode of each physical parameter is following among the present invention:
(1) terminal amino group content assay method: the yarn that extracts 1.0g ± 0.0025g is dissolved in about 50ml phenol-ethanol solution (mass ratio 80: 20); Through about this solution of 0.02N salt acidometric titration, wherein terminal point is confirmed through the change color of thymol blue indicator at normal temperatures.
(2) fastness to light: with reference to JIS L0842:2004 " to the colorfastness test method of ultraviolet carbon arc lamp "
(3) weather-proof fastness: with reference to JIS L0891:2007 " the artificial accelerated weathering COLOR FASTNESS of xenon arc light or sun shine carbon arc light is used test method "
(4) resistance to oxidation nitrogen fastness: according to the testing standard of TRS 2014B: test film and standard stained clot-h are loaded in the test portion anchor clamps; In evaporating pan, add distilled water 375ml and 85% phosphoric acid 6.7ml mixing; And then after adding 1% sodium nitrite solution 25ml; Get started running, the standard stained clot-h of observing reaches No. 3 of becoming the gray scale that fades and stops revolution at once, takes out the frame of test film and draws ozone.Get 1/3 test film as the 1st time judgement paper test portion; Placed 5 minutes in the normal-temperature water that it is lotion that the exposure test sheet is immersed in the urine that contains 5g among 1L higher alcohol sulfate extremely plain and 1g at once; And then, be clipped in the air dry of dewatering between the dry filter paper with the distilled water flushing.Remaining then test film is put into testing machine, is replaced with new standard stained clot-h, puts into testing machine again, carries out the 2nd, 3 time test according to above order.Change in color and change before and after the test gray scale that fades is compared the differentiation grade.
(5) anti-vanillic aldehyde xanthochromia property: according to the testing standard of TRS 2040 C: the aqueous solution of processing vanillic aldehyde 0.2wt%; Choose test film and nylon staining calico gravimetry; Extract 1: 50 the vanillic aldehyde aqueous solution of bath raio separately, put into the test chamber of 200～500cc, in 10 minutes with the liquid temperature from normal temperature be warming up to 50 ℃ and keep 1 minute after; Take out test film and nylon staining calico, hang dry-air blast and do.The degree of xanthochromia is relatively distinguished with gray scale with becoming to fade before and after dried test film and the test of nylon staining calico; Record the xanthochromia value of experiment front and back in addition with colour meter; And according to formula: the yellow chromaticity (YI) before yellow chromaticity (the YI)-processing after change yellow degree (Δ YI)=processing, try to achieve change yellow degree.
(6) anti-phenol xanthochromia property: test the X18 part: material phenol jaundice possibility assessment with reference to ISO 105-X18-2007 textile material COLOR FASTNESS
(7) withstand voltage boiling hot moulding xanthochromia property: after temperature, the time of setting the press mold testing machine is experimental condition; Wait to be warming up to when temperature required, with smooth being placed in the anchor clamps of ready cloth specimen cloth to be tested, after clamp; Be placed on and begin test on the blanching platform; By the time after test period finished, upper and lower heating plate separated automatically, took out the test cloth in the anchor clamps.Change color and change before and after the test gray scale that fades is compared the differentiation grade; Record the xanthochromia value of test front and back in addition with colour photometer; And according to formula: the yellow chromaticity (YI) before yellow chromaticity (the YI)-processing after change yellow degree (Δ YI)=processing, try to achieve change yellow degree.
(8) whiteness value assay method: calibrate black barrel, blank, green plate behind the spectrophotometric color measurement instrument preheating 20min successively, calibrate successfully after again the calibration criterion blank obtain the standard white value, under the condition of standard white value, calibrate black barrel, blank and green plate then more successively; After calibrating successfully; Begin test,, change the position of appearance cloth treating that test sample cloth is converted into 4 layers of colour examining window that is positioned over spectrophotometric color measurement instrument and begins to measure; Measure and try to achieve mean value 4 times, read the whiteness value of this kind.
(9) brute force of breaking: with reference to JIS L 1096:2010A method " Maron type method "
(10) draw resistance to spalling: with reference to JIS L 1096:2010D method " pendulum strength test method "
The specific embodiment
Below in conjunction with embodiment and comparative example the present invention is described further.
Embodiment 1:
" interweave on the circular knitting machine of 28G, tissue is selected weft plain weave, wherein modified polyamide yarn/spandex yarn=85.5/14.5 for use ;-bleaching concise through continuously that the circle that will make is then compiled thing; the bleaching processing method: bleaching agent is a hydrogen peroxide, and concentration is 10g/L, and treatment temperature is 90 ℃; the processing time is 20min; obtain polyamide fabric of the present invention, and wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.17 * 10 in this fabric 30 with the 20D spandex yarn with modified polyamide yarn (46D-34F-FDY)
-5Mol/g, whiteness value is 61.72, the powerful 810KPa that is breaks; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 5.62; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 1.98.
Embodiment 2:
Modified polyamide yarn (50D-28F-FDY) and modified dacron yarn (75D-96F-CDP) and 20D spandex yarn are submitted volume at the circular knitting machine of 32G; Tissue is selected weft plain weave for use; Modified polyamide yarn/modified dacron yarn/spandex yarn=35.4/52.8/11.8 wherein, the circle that will make then compile thing through as after the identical processing of embodiment 1, obtain polyamide fabric of the present invention; Wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.10 * 10 in this fabric
-5Mol/g, whiteness value is 71.6, the powerful 668KPa that is breaks; Fastness to light is 4 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 6.27; Anti-phenol xanthochromia property is 4～5 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 2.28.
Embodiment 3:
Adopt modified polyamide yarn and 20D spandex yarn among the embodiment 2 interweaving on section's machine in the spy; Tissue is selected for use through the velveteen tissue; Modified polyamide yarn/spandex yarn=94.6/5.4 wherein, will make then through compile thing through the processing identical like embodiment 1 after, obtain polyamide fabric of the present invention; Wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.10 * 10 in this fabric
-5Mol/g, whiteness value are 72.47; Fastness to light is 4 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 6.1; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 1.43.
Embodiment 4:
With modified polyamide yarn (20D-24F-FDY) simultaneously as warp, weft yarn; On air-jet loom, weave; Tissue adopts plain weave, then with the woven fabric that makes through as after the identical processing of embodiment 1, obtain polyamide fabric of the present invention; Wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.18 * 10 in this fabric
-5Mol/g, whiteness value is 70.13, drawing resistance to spalling is 5.9N; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 4.63; Anti-phenol xanthochromia property is 4 grades.
Embodiment 5:
" interweave on the circular knitting machine of 28G, tissue is selected weft plain weave, wherein modified polyamide yarn/spandex yarn=85.6/14.4 for use; the circle that will make is then compiled thing through concise/bleaching; processing method: scouring agent commonly used, bleaching agent are sodium chlorate, and concentration is 1.5g/L, and treatment temperature is 70 ℃; the processing time is 60min; obtain polyamide fabric of the present invention, and wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.14 * 10 in this fabric 30 with the 30D spandex yarn with modified polyamide yarn (75D-54F-DTY)
-5Mol/g, whiteness value is 51.6, the powerful 911KPa that is breaks; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 6.87; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 3.66.
Embodiment 6:
-bleaching concise that the modified polyamide circle that embodiment 1 braiding is made is compiled thing through continuously, the bleaching processing method: bleaching agent is a sodium hydrosulfite, and concentration is 2%; And adding small amount of acid; Treatment temperature is 90 ℃, and the processing time is 60min, obtains polyamide fabric of the present invention; Wherein, the terminal amino group amount of modified polyamine fibre fibre-forming polymer polyamide is 2.17 * 10 in this fabric
-5Mol/g, whiteness value is 50.9, the powerful 805KPa that is breaks; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 6.38; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 3.12.
Embodiment 7:
The polyamide fabric of the present invention that embodiment 1 is made dyes through fluorescence more in vain, the polyamide fabric after obtaining dyeing, and gained fabric whiteness value is 151.68, and cloth cover whiteness effect is good, and the powerful 801KPa that is breaks; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 6.86; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 3.88.
Comparative example 1:
Common polyamide yarn (50D-17F-FDY) and spandex yarn (20D) are woven according to the braiding condition like embodiment 1; Modified polyamide yarn/spandex yarn=85.2/14.8 wherein; Braided fabric is carried out obtaining common polyamide fabric after the refining processing, and the terminal amino group amount that records modified polyamine fibre fibre-forming polymer polyamide in the common polyamide fabric is 4.40 * 10
-5Mol/g, whiteness value is 76.92, the powerful 1016KPa that is breaks; Fastness to light is below 4 grades; Weather-proof fastness is 3 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 3 grades, and change yellow degree is 35.03; Anti-phenol xanthochromia property is 3 grades; Withstand voltage boiling hot moulding xanthochromia property is 4 grades, and change yellow degree is 8.72.
Comparative example 2:
The modified polyamide circle that embodiment 1 braiding is made is compiled thing, and-fluorescence concise through continuously dyes in vain, obtains polyamide fabric, and wherein, the whiteness value of gained fabric is 143.89, and inspection finds that the cloth cover whiteness is not good, is dim look, and the powerful 916KPa that is breaks; Fastness to light is 4～5 grades; Weather-proof fastness is 4～5 grades; Resistance to oxidation nitrogen fastness is 4～5 grades; Anti-vanillic aldehyde xanthochromia property is 4 grades, and change yellow degree is 17; Anti-phenol xanthochromia property is 4 grades; Withstand voltage boiling hot moulding xanthochromia property is 4～5 grades, and change yellow degree is 9.8.
Claims (8)
1. polyamide fabric, it is characterized in that: contain modified polyamine fibre in this fabric at least, said modified polyamine fibre accounts for 20%～100% of this fabric gross weight, and this fabric is for what handle through bleaching, and its whiteness is more than 50.
2. according to the said polyamide fabric of claim 1, it is characterized in that: said modified polyamine fibre is full stretched yarn of polyamide or polyamide false-twisted yarn, and the terminal amino group content of said modified polyamine fibre fibre-forming polymer polyamide is 1.0 * 10
-5～3.0 * 10
-5Mol/g.
3. according to claim 1 or 2 said polyamide fabric, it is characterized in that: this fabric is woven fabric or knitted fabric, and its anti-vanillic aldehyde xanthochromia performance is more than 4 grades, and change yellow degree is below 7.
4. production method of polyamide fabric according to claim 1, it is characterized in that: the fabric that will contain 20%～100% modified polyamine fibre at least obtains via the solution-treated that contains bleaching agent.
5. according to the production method of the said polyamide fabric of claim 4, it is characterized in that: during said solution-treated, solution temperature is 10～100 ℃, and be 10～90min contact time.
6. according to the production method of the said polyamide fabric of claim 4, it is characterized in that: said bleaching agent is a kind of in sodium chlorite, clorox, calcium hypochlorite, sodium dichloro cyanurate, hydrogen peroxide, sodium perborate, SODIUM PERCARBONATE, potassinm permanganate, Peracetic acid, the sodium hydrosulfite.
7. according to the production method of the said polyamide fabric of claim 6, it is characterized in that: said bleaching agent is a hydrogen peroxide.
8. according to the production method of the said polyamide fabric of claim 7, it is characterized in that: the said concentration that contains hydrogenperoxide steam generator is 3～15g/L, and temperature is 60～100 ℃, and the time is 10～60min.
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|---|---|---|---|
| CN2011100271993A CN102605510A (en) | 2011-01-18 | 2011-01-18 | Polyamide fabric and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100271993A CN102605510A (en) | 2011-01-18 | 2011-01-18 | Polyamide fabric and production method thereof |
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| CN102605510A true CN102605510A (en) | 2012-07-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264440A (en) * | 2014-09-04 | 2015-01-07 | 东华大学 | Chlorine dioxide bleaching method of polyamide fiber and textile products thereof |
| CN106498699A (en) * | 2015-09-07 | 2017-03-15 | 中国石化仪征化纤有限责任公司 | Polyesteramide chopped fiber or the method for bleaching of its fabric |
| CN107034704A (en) * | 2017-06-08 | 2017-08-11 | 巢湖市天宇渔具有限公司 | A kind of dyeing handling process of nylon fishing net line |
| CN112111837A (en) * | 2019-06-19 | 2020-12-22 | 吴江海角工业用布有限公司 | Production method of high-strength heat-resistant elastic cloth |
| CN116575174A (en) * | 2023-07-12 | 2023-08-11 | 镧明材料技术(上海)有限公司 | Anti-ultraviolet knitted fabric and weaving method thereof |
-
2011
- 2011-01-18 CN CN2011100271993A patent/CN102605510A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264440A (en) * | 2014-09-04 | 2015-01-07 | 东华大学 | Chlorine dioxide bleaching method of polyamide fiber and textile products thereof |
| CN104264440B (en) * | 2014-09-04 | 2016-08-24 | 东华大学 | A kind of Fypro and the ClO 2 bleaching method of textile fabrics thereof |
| CN106498699A (en) * | 2015-09-07 | 2017-03-15 | 中国石化仪征化纤有限责任公司 | Polyesteramide chopped fiber or the method for bleaching of its fabric |
| CN107034704A (en) * | 2017-06-08 | 2017-08-11 | 巢湖市天宇渔具有限公司 | A kind of dyeing handling process of nylon fishing net line |
| CN112111837A (en) * | 2019-06-19 | 2020-12-22 | 吴江海角工业用布有限公司 | Production method of high-strength heat-resistant elastic cloth |
| CN116575174A (en) * | 2023-07-12 | 2023-08-11 | 镧明材料技术(上海)有限公司 | Anti-ultraviolet knitted fabric and weaving method thereof |
| CN116575174B (en) * | 2023-07-12 | 2023-10-03 | 镧明材料技术(上海)有限公司 | Anti-ultraviolet knitted fabric and weaving method thereof |
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Application publication date: 20120725 |