CN104674416A - Preparation method for modified acrylic fiber flame-retardant fabric - Google Patents
Preparation method for modified acrylic fiber flame-retardant fabric Download PDFInfo
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- CN104674416A CN104674416A CN201510101195.3A CN201510101195A CN104674416A CN 104674416 A CN104674416 A CN 104674416A CN 201510101195 A CN201510101195 A CN 201510101195A CN 104674416 A CN104674416 A CN 104674416A
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Abstract
The invention discloses a preparation method for modified acrylic fiber flame-retardant fabric. The preparation method comprises the following steps: uniformly mixing disperse LOTAN fibers with polyaryloxadiazole fibers, loosening and paving, adding an antistatic agent FC-1 and storing for more than 36 hours; loosening and carding the pre-processed LOTAN blend fibers after performing cotton slitting, and then performing drawing, roving, spinning and spooling to obtain the modified acrylic fiber flame-retardant fabric. According to the preparation method for the modified acrylic fiber flame-retardant fabric disclosed by the invention, special fibers of a certain proportion are added, so that the problem that the LOTAN fibers are low in breaking strength is improved on the premise of not reducing the performances of high temperature resistance, permanent flame resistance, and the like of the LOTAN fibers.
Description
Technical field
The invention belongs to textile technology field, be specifically related to a kind of preparation method of modified acrylic fibers inflaming retarding fabric.
Background technology
LOTAN fiber within 2012, adopts external production equipment to combine with domestic technique a kind of novel modified acrylic fibers of independent research.The features such as this fiber limited oxygen index, more than 39%, has excellent flame-resistant high-temperature-resistant performance, has low cigarette, low toxicity, not melting simultaneously, do not shrink, moderate, are applicable to the flame retardant products developing " middle high-performance, low to medium price level ".
LOTAN fire resistance fibre is as a kind of novel flame-retardant fiber, and overall performance is excellent, but its fracture strength is low, and simultaneously due to the stuctures and properties that fiber is special, textile technology is not yet ripe, and domestic market there is not yet the report of LOTAN blended yarn woven fabric.
Summary of the invention
The object of this invention is to provide a kind of preparation method of modified acrylic fibers inflaming retarding fabric, solve the problem that LOTAN fire resistance fibre fracture strength is low in spinning and weaving process.
The technical solution adopted in the present invention is, a kind of preparation method of modified acrylic fibers inflaming retarding fabric, specifically implements according to following steps:
Step 1, preliminary treatment
By even to loose LOTAN fiber and Ju Fang oxadiazole fibers mixture, beat pine and pave, add antistatic additive FC-1, storage more than 36h;
Step 2, opening picking
Pretreated for step 1 LOTAN blend fibre is put into opening picking unit process, make the lap that cotton rolling quantity is 250 ~ 280g/ rice;
Step 3, comb and parallel cotton fibers prior to spinning
Lap step 2 obtained is 36 ~ 46mm by face length, and the angle on inclined-plane is in the feed plate feeding carding machine of 8 ° ~ 12 °, carries out shredding combing, obtains the carded sliver;
Step 4, drafting
Carded sliver step 3 obtained, in drawing frame, closes drawing-off through 2 ~ 3 roads, and producing is quantitatively that the ripe bar of 12 ~ 15g/5m is for rove;
Step 5, rove
Ripe bar step 4 obtained is put into Speed frames and is processed, and roving twist factor setting range is between 60 ~ 80, and regular roving feeding scope is at 3.8 ~ 4.7g/10m, and the twist is between 2.5 ~ 4/10cm;
Step 6, spun yarn
Be that under the condition of 60 ~ 65%, rove step 5 obtained is put into fine spining machine and processed in workshop humidity, produce and obtain spun yarn;
Step 7, winder
Relative humidity in workshop is under the condition of 55% ~ 60%, is to carry out doff in the bobbin winder of 500 ~ 550m/min by the spun yarn obtained in step 6 in winder linear velocity, makes finished product.
Feature of the present invention is also,
In step 1, Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, do not produce melting drippage with blending after-combustion test, without afterflame, phenomenon of glowing, determine fiber blend ratio.
In step 1, shredding is paved is be 18 ~ 20 DEG C in temperature, and humidity is carry out under the condition of 55% ~ 65%; The mass ratio of antistatic additive FC-1 and blended fiber is 3 ~ 5:1000.
In step 2, the kirschner beater speed of opening picking unit is 350 ~ 450r/min, and rolling roller rotating speed is 10 ~ 12r/min.
In step 3, the cylinder speed of carding machine is 200 ~ 230r/min, and licker-in speed is 450 ~ 550r/min, left and right, and doffer speed is 15 ~ 20r/min, and cover plate speed is 20 ~ 30mm/min.
In step 4, the proparea roller of drawing frame grips apart from being 52 ~ 55mm, and back zone drafting multiple is 1.5 ~ 1.9 times, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating.
In step 5, the ingot speed of Speed frames is 600 ~ 750r/min, and front roller rotating speed is 200 ~ 250r/min, and proparea drafting multiple is 5 ~ 7 times, and back zone drafting multiple is 1.14 ~ 1.3 times.
In step 6, the ingot speed of fine spining machine is 9000 ~ 12000r/min, and front roller speed is 160 ~ 210r/min.
The invention has the beneficial effects as follows,
1) by adding a certain proportion of special fire resistance fibre, under the prerequisite not reducing the performances such as LOTAN fibre fire resistant, permanent fire retardant, the problem that pure LOTAN fiber yarn fracture strength is low is improved.
2) the new special thermal protection fabric that the middle-grade flame-resistant high-temperature-resistant thermal protection fabric with the high comprehensive performance such as high temperature resistant, permanent fire retardant, low cigarette, low toxicity, not melting is excellent is developed, meet the requirement of high-quality, low price, add the range of choice of fibrous raw material.
3) exploitation of LOTAN temperature-resistant flame retarding fabric contributes to widening flame-resistant high-temperature-resistant product scope, improve flame-resistant high-temperature-resistant product system, effectively substitute with high-tech flame-resistant high-temperature-resistant fabric low price that current market generally uses but the poor flame-retardant cotton fabric of combination property and Vinyon N inflaming retarding fabric; Fictitious hosts is expensive, fire resistance is better but the high-performance aramid fiber of dyeability difference series heat-resistant fireproof product; Expand export with low price, high performance advantage and effectively substitute import.
Accompanying drawing explanation
Fig. 1 is the process chart of the preparation method of modified acrylic fibers inflaming retarding fabric of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The preparation method of modified acrylic fibers inflaming retarding fabric of the present invention, see accompanying drawing 1, specifically implements according to following steps:
Step 1, blending rate is determined
Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, not producing melting drippage with blending after-combustion test, without afterflame, the phenomenon such as to glow, determine fiber blend ratio;
Step 2, preliminary treatment
According to the ratio that step 1 is determined, loose LOTAN fiber is mixed with Ju Fang oxadiazole fiber, it is 18 ~ 20 DEG C in temperature, humidity be 55% ~ 65% condition beat pine and pave down, be that 3 ~ 5:1000 adds antistatic additive FC-1 by the mass ratio of antistatic additive FC-1 and blended fiber, store more than 36h;
Step 3, opening picking
It is 350 ~ 4500r/min that LOTAN blend fibre step 2 obtained puts into kirschner beater speed, and rolling roller rotating speed is process in the opening picking unit of 10 ~ 12r/min, makes the lap that cotton rolling quantity is 250 ~ 280g/ rice;
Step 4, comb and parallel cotton fibers prior to spinning
Lap step 3 obtained is 36 ~ 46mm by face length, the angle on inclined-plane is the feed plate feeding cylinder speed of 8 ° ~ 12 ° is 200 ~ 230r/min, licker-in speed is 450 ~ 550r/min, doffer speed is 15 ~ 20r/min, cover plate speed is in the carding machine of 20 ~ 30mm/min, carry out shredding combing, obtain the carded sliver;
Step 5, drafting
It is 52 ~ 55mm that carded sliver step 4 obtained puts into proparea roller gripping distance, back zone drafting multiple is in the drawing frame of 1.5 ~ 1.9 times, and the ripe bar of symphysis output is quantitatively the ripe bar of 12 ~ 15g/5m, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating;
Step 6, rove
It is 600 ~ 700r/min that ripe bar step 5 obtained puts into ingot speed, front roller rotating speed is 200 ~ 250r/min, proparea drafting multiple is 5 ~ 7 times, back zone drafting multiple is process in the Speed frames of 1.14 ~ 1.3 times, obtaining roving twist factor control range is 60 ~ 80, regular roving feeding is 3.8 ~ 4.7g/10m, and the twist is the rove of 2.5 ~ 4/10cm;
Step 7, spun yarn
Be under the condition of 60 ~ 65% in workshop humidity, ingot speed put into by rove step 6 obtained is 9000 ~ 12000r/min, and front roller speed is process in the fine spining machine of 160 ~ 210r/min, produces and obtains spun yarn;
Step 8, winder
Relative humidity in workshop is under the condition of 55% ~ 60%, is to carry out doff in the bobbin winder of 500 ~ 550m/min by the spun yarn obtained in step 8 in winder linear velocity, makes finished product.
Embodiment 1
Step 1, blending rate is determined
Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, not producing melting drippage with blending after-combustion test, without afterflame, the phenomenon such as to glow, determine fiber blend ratio;
Step 2, preliminary treatment
According to the ratio that step 1 is determined, loose LOTAN fiber is mixed with Ju Fang oxadiazole fiber, it is 18 DEG C in temperature, humidity be 60% condition beat pine and pave down, be that 3:1000 adds antistatic additive FC-1 by the mass ratio of antistatic additive FC-1 and blended fiber, store 36h;
Step 3, opening picking
It is 450r/min that LOTAN blend fibre step 2 obtained puts into kirschner beater speed, and rolling roller rotating speed is process in the opening picking unit of 10r/min, makes the lap that cotton rolling quantity is 200g/ rice;
Step 4, comb and parallel cotton fibers prior to spinning
Lap step 3 obtained is 36mm by face length, and the angle on inclined-plane is the feed plate feeding cylinder speed of 10 ° is 200r/min, and licker-in speed is 450r/min, doffer speed is 13r/min, cover plate speed is in the carding machine of 25mm/min, carries out shredding combing, obtains the carded sliver;
Step 5, drafting
Carded sliver step 4 obtained is put into proparea roller and is gripped apart from being 52mm, and back zone drafting multiple is in the drawing frame of 1.8 times, and the ripe bar of symphysis output is quantitatively the ripe bar of 12g/5m, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating;
Step 6, rove
Ripe bar step 5 obtained puts into ingot speed for 700r/min, and front roller rotating speed is 300r/min, and proparea drafting multiple is 5 times, back zone drafting multiple is process in the Speed frames of 1.2 times, obtaining roving twist factor is 70, and regular roving feeding is 4.8g/10m, and the twist is the rove of 3.2/10cm;
Step 7, spun yarn
Be under the condition of 65% in workshop humidity, rove step 6 obtained puts into ingot speed for 9000r/min, and front roller speed is process in the fine spining machine of 210r/min, produces and obtains spun yarn;
Step 8, winder
Relative humidity in workshop is under the condition of 60%, is to carry out doff in the bobbin winder of 500m/min by the spun yarn obtained in step 8 in winder linear velocity, makes finished cylinder yarn.
Test the performance of the finished cylinder yarn that embodiment 1 prepares, its result is as shown in table 1.
The performance of the finished cylinder yarn that table 1 embodiment 1 prepares
| 18.5tex yarn | Fracture strength (cN/tex) | Elongation at break/% | Yarn unevenness (%) |
| 100％LOTAN | 6.9 | 4.3 | 13.36 |
| The present invention | 12.8 | 10.7 | 10.85 |
Embodiment 2
Step 1, blending rate is determined
Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, not producing melting drippage with blending after-combustion test, without afterflame, the phenomenon such as to glow, determine fiber blend ratio;
Step 2, preliminary treatment
According to the ratio that step 1 is determined, loose LOTAN fiber is mixed with Ju Fang oxadiazole fiber, it is 19 DEG C in temperature, humidity be 60% condition beat pine and pave down, be that 4:1000 adds antistatic additive FC-1 by the mass ratio of antistatic additive FC-1 and blended fiber, store 38h;
Step 3, opening picking
It is 500r/min that LOTAN blend fibre step 2 obtained puts into kirschner beater speed, and rolling roller rotating speed is process in the opening picking unit of 11r/min, makes the lap that cotton rolling quantity is 260g/ rice;
Step 4, comb and parallel cotton fibers prior to spinning
Lap step 3 obtained is 38mm by face length, and the angle on inclined-plane is the feed plate feeding cylinder speed of 12 ° is 210r/min, and licker-in speed is 450r/min, doffer speed is 15r/min, cover plate speed is in the carding machine of 20mm/min, carries out shredding combing, obtains the carded sliver;
Step 5, drafting
Carded sliver step 4 obtained is put into proparea roller and is gripped apart from being 53mm, and back zone drafting multiple is in the drawing frame of 1.5 times, and the ripe bar of symphysis output is quantitatively the ripe bar of 13g/5m, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating;
Step 6, rove
Ripe bar step 5 obtained puts into ingot speed for 700r/min, and front roller rotating speed is 220r/min, and proparea drafting multiple is 6 times, back zone drafting multiple is process in the Speed frames of 1.14 times, obtaining roving twist factor is 60, and regular roving feeding is 4.3g/10m, and the twist is the rove of 2.9/10cm;
Step 7, spun yarn
Be under the condition of 65% in workshop humidity, rove step 6 obtained puts into ingot speed for 10000r/min, and front roller speed is process in the fine spining machine of 200r/min, produces and obtains spun yarn;
Step 8, winder
Relative humidity in workshop is under the condition of 55%, is to carry out doff in the bobbin winder of 520m/min by the spun yarn obtained in step 8 in winder linear velocity, makes finished product.
Embodiment 3
Step 1, blending rate is determined
Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, not producing melting drippage with blending after-combustion test, without afterflame, the phenomenon such as to glow, determine fiber blend ratio;
Step 2, preliminary treatment
According to the ratio that step 1 is determined, loose LOTAN fiber is mixed with Ju Fang oxadiazole fiber, it is 20 DEG C in temperature, humidity be 58% condition beat pine and pave down, be that 3.5:1000 adds antistatic additive FC-1 by the mass ratio of antistatic additive FC-1 and blended fiber, store 40h;
Step 3, opening picking
It is 490r/min that LOTAN blend fibre step 2 obtained puts into kirschner beater speed, and rolling roller rotating speed is process in the opening picking unit of 12r/min, makes the lap that cotton rolling quantity is 270g/ rice;
Step 4, comb and parallel cotton fibers prior to spinning
Lap step 3 obtained is 40mm by face length, and the angle on inclined-plane is the feed plate feeding cylinder speed of 9 ° is 220r/min, and licker-in speed is 460r/min, doffer speed is 15r/min, cover plate speed is in the carding machine of 28mm/min, carries out shredding combing, obtains the carded sliver;
Step 5, drafting
Carded sliver step 4 obtained is put into proparea roller and is gripped apart from being 54mm, and back zone drafting multiple is in the drawing frame of 1.6 times, and the ripe bar of symphysis output is quantitatively the ripe bar of 14g/5m, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating;
Step 6, rove
Ripe bar step 5 obtained puts into ingot speed for 750r/min, and front roller rotating speed is 185r/min, and proparea drafting multiple is 6 times, back zone drafting multiple is process in the Speed frames of 1.3 times, obtaining roving twist factor is 80, and regular roving feeding is 4.7g/10m, and the twist is the rove of 3.7/10cm;
Step 7, spun yarn
Be under the condition of 65% in workshop humidity, rove step 6 obtained puts into ingot speed for 11000r/min, and front roller speed is process in the fine spining machine of 160r/min, produces and obtains spun yarn;
Step 8, winder
Relative humidity in workshop is under the condition of 55%, is to carry out doff in the bobbin winder of 530m/min by the spun yarn obtained in step 8 in winder linear velocity, makes finished cylinder yarn.
Embodiment 4
Step 1, blending rate is determined
Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, not producing melting drippage with blending after-combustion test, without afterflame, the phenomenon such as to glow, determine fiber blend ratio;
Step 2, preliminary treatment
According to the ratio that step 1 is determined, loose LOTAN fiber is mixed with Ju Fang oxadiazole fiber, it is 18 DEG C in temperature, humidity be 55% condition beat pine and pave down, be that 4:1000 adds antistatic additive FC-1 by the mass ratio of antistatic additive FC-1 and blended fiber, store 45h;
Step 3, opening picking
It is 450r/min that LOTAN blend fibre step 2 obtained puts into kirschner beater speed, and rolling roller rotating speed is process in the opening picking unit of 13r/min, makes the lap that cotton rolling quantity is 260g/ rice;
Step 4, comb and parallel cotton fibers prior to spinning
Lap step 3 obtained is 46mm by face length, and the angle on inclined-plane is the feed plate feeding cylinder speed of 8 ° is 230r/min, and licker-in speed is 480r/min, doffer speed is 15r/min, cover plate speed is in the carding machine of 30mm/min, carries out shredding combing, obtains the carded sliver;
Step 5, drafting
Carded sliver step 4 obtained is put into proparea roller and is gripped apart from being 55mm, and back zone drafting multiple is in the drawing frame of 1.9 times, and the ripe bar of symphysis output is quantitatively the ripe bar of 15g/5m, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating;
Step 6, rove
Ripe bar step 5 obtained puts into ingot speed for 750r/min, and front roller rotating speed is 220r/min, and proparea drafting multiple is 7 times, back zone drafting multiple is process in the Speed frames of 1.25 times, obtaining roving twist factor is 65, and regular roving feeding is 4.3g/10m, and the twist is the rove of 3.1/10cm;
Step 7, spun yarn
Be under the condition of 65% in workshop humidity, rove step 6 obtained puts into ingot speed for 12000r/min, and front roller speed is process in the fine spining machine of 180r/min, produces and obtains spun yarn;
Step 8, winder
Relative humidity in workshop is under the condition of 60%, is to carry out doff in the bobbin winder of 550m/min by the spun yarn obtained in step 8 in winder linear velocity, makes finished product.
Claims (8)
1. a preparation method for modified acrylic fibers inflaming retarding fabric, is characterized in that, specifically implements according to following steps:
Step 1, preliminary treatment
By even to loose LOTAN fiber and Ju Fang oxadiazole fibers mixture, beat pine and pave, add antistatic additive FC-1, storage more than 36h;
Step 2, opening picking
Pretreated for step 1 LOTAN blend fibre is put into opening picking unit process, make the lap that cotton rolling quantity is 250 ~ 280g/ rice;
Step 3, comb and parallel cotton fibers prior to spinning
Lap step 2 obtained is 36 ~ 46mm by face length, and the angle on inclined-plane is in the feed plate feeding carding machine of 8 ° ~ 12 °, carries out shredding combing, obtains the carded sliver;
Step 4, drafting
Carded sliver step 3 obtained puts into drawing frame, and closes drawing-off and produce the ripe bar that ripe bar is quantitatively 12 ~ 15g/5m;
Step 5, rove
Ripe bar step 4 obtained is put into Speed frames and is processed, and obtaining roving twist factor is 60 ~ 80, and regular roving feeding is 3.8 ~ 4.7g/10m, and the twist is the rove of 2.5 ~ 4/10cm;
Step 6, spun yarn
Be that under the condition of 60 ~ 65%, rove step 5 obtained is put into fine spining machine and processed in workshop humidity, produce and obtain spun yarn;
Step 7, winder
Relative humidity in workshop is under the condition of 55% ~ 60%, is to carry out doff in the bobbin winder of 500 ~ 550m/min by the spun yarn obtained in step 6 in winder linear velocity, makes finished product.
2. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, it is characterized in that, in step 1, Ju Fang oxadiazole fiber and LOTAN fiber are carried out blending, do not produce melting drippage with blending after-combustion test, without afterflame, phenomenon of glowing, determine fiber blend ratio.
3. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, is characterized in that, beating in step 1 that pine paves is be 18 ~ 20 DEG C in temperature, and humidity is carry out under the condition of 55% ~ 60%; The mass ratio of antistatic additive FC-1 and blended fiber is 3 ~ 6:1000.
4. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, is characterized in that, in step 2, the kirschner beater speed of opening picking unit is 450 ~ 500r/min, and rolling roller rotating speed is 10 ~ 12r/min.
5. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, it is characterized in that, in step 3, the cylinder speed of carding machine is 200 ~ 230r/min, and licker-in speed is 450 ~ 500r/min, doffer speed is 15 ~ 20r/min, and cover plate speed is 20 ~ 30mm/min.
6. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, it is characterized in that, in step 4, the proparea roller of drawing frame grips apart from being 52 ~ 55mm, and back zone drafting multiple is 1.5 ~ 1.9 times, and drawing frame adopts the rubber roll of high rigidity, the process of surface anti-static coating.
7. the preparation method of modified acrylic fibers inflaming retarding fabric according to claim 1, it is characterized in that, in step 5, the ingot speed of Speed frames is 600 ~ 750r/min, and front roller rotating speed is 200 ~ 250r/min, proparea drafting multiple is 4 ~ 7 times, and back zone drafting multiple is 1.14 ~ 1.3 times.
8., according to the preparation method of the arbitrary described modified acrylic fibers inflaming retarding fabric of claim 1 ~ 7, it is characterized in that, in step 6, the ingot speed of fine spining machine is 9000 ~ 12000r/min, and front roller speed is 160 ~ 210r/min.
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| CN201510101195.3A CN104674416A (en) | 2015-03-06 | 2015-03-06 | Preparation method for modified acrylic fiber flame-retardant fabric |
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| CN201510101195.3A CN104674416A (en) | 2015-03-06 | 2015-03-06 | Preparation method for modified acrylic fiber flame-retardant fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597427A (en) * | 2015-12-22 | 2016-05-25 | 苏州协泰科技有限公司 | Manufacturing method of non-woven filter felt |
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| CN104053830A (en) * | 2011-12-05 | 2014-09-17 | 纳幕尔杜邦公司 | Yarns of polyoxadiazole and modacrylic fibers and fabrics and garments made therefrom and methods for making same |
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| JPS6189339A (en) * | 1984-10-05 | 1986-05-07 | 鐘淵化学工業株式会社 | Composite fire retardant fiber |
| US4921756A (en) * | 1989-03-03 | 1990-05-01 | Springs Industries, Inc. | Fire resistant balanced fine corespun yarn and fabric formed thereof |
| CN101784708A (en) * | 2007-08-22 | 2010-07-21 | 纳幕尔杜邦公司 | Spun staple yarns made from blends of rigid-rod fibers and fibers derived from diamino diphenyl sulfone and fabrics and garments made therefrom and methods for making same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105597427A (en) * | 2015-12-22 | 2016-05-25 | 苏州协泰科技有限公司 | Manufacturing method of non-woven filter felt |
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Application publication date: 20150603 |