CN1075573C - Process and apparatus for spinning and weaving fire-retardant fabric of preliminaril oxidized silk - Google Patents
Process and apparatus for spinning and weaving fire-retardant fabric of preliminaril oxidized silk Download PDFInfo
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- CN1075573C CN1075573C CN97122333A CN97122333A CN1075573C CN 1075573 C CN1075573 C CN 1075573C CN 97122333 A CN97122333 A CN 97122333A CN 97122333 A CN97122333 A CN 97122333A CN 1075573 C CN1075573 C CN 1075573C
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- 239000004744 fabric Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009941 weaving Methods 0.000 title claims abstract description 14
- 238000009987 spinning Methods 0.000 title description 4
- 239000003063 flame retardant Substances 0.000 title description 3
- 238000009998 heat setting Methods 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 22
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 description 13
- 229920006231 aramid fiber Polymers 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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- Woven Fabrics (AREA)
Abstract
一种纺织预氧丝耐燃织物的工艺是预氧丝经上油、制条、针流、粗纺、细纺、并拈、落简、织造步骤制得产品，其特征在于所述的制条是先经过卷曲热定型，再进行牵切制条。采用牵切制条工艺，使总的织得率达到75-78%，制得的耐燃织物耐燃性好，极限氧指数可达到40-50%，本发明具有工艺简单，成本低，卷曲热定型机结构简单，易制做等特点。A process for weaving pre-oxygenated flame-resistant fabrics is that the pre-oxidized yarns are oiled, slivered, needle-flowed, slubbed, fine-spun, twisted, dropped, and weaved to obtain the product, and it is characterized in that the sliver is After curling and heat setting, the strips are stretched and cut. Adopting the drawing and cutting strip making process, the total weaving rate can reach 75-78%, the flame-resistant fabric produced has good flame resistance, and the limiting oxygen index can reach 40-50%. The invention has the advantages of simple process, low cost, and curl heat setting The structure of the machine is simple, easy to manufacture and so on.
Description
本发明属于一种纺织工艺及设备，具体地说涉及一种纺织预氧丝耐热织物的工艺及其设备。The invention belongs to a weaving process and equipment, in particular to a process and equipment for weaving pre-oxidized yarn heat-resistant fabrics.
聚丙烯腈(PAN)纤维经预氧化工艺和设备处理后得到预氧化纤维(俗称预氧丝，OF)。PAN纤维在预氧化过程中，它的高分子线型分子链转化为耐热的梯型结构，并赋予OF不熔不燃的耐燃性能，这种梯型耐燃结构属于永久型耐燃结构，不随时空和水洗而变化，且服用性好，显著优于市场上销售的各种用阻燃剂处理的阻燃织物。同时，由于OF的梯型结构，使其刚性大而柔性小，再加之OF表面平滑，导致OF单纤维之间抱合力小，可纺性差，给纺纱和织造带来许多困难。在中国专利(CN1036235)中，为了改善OF的可纺性，用水溶性有机纤维与OF混纺成纱和织布，然后再用水溶解掉所织布中的有机纤维，得到类似于纯纺的OF织物。在这一混纺工艺中，有机纤维只是作为改善可纺性的手段，先加入和后去掉，无疑浪费掉有机纤维，必然加大成本。在(GB2236772A)专利中，预氧丝和芳纶混纺，以改善可纺性和其他性能；但是，芳纶的极限氧指数(LOI)为28左右，耐燃织物的主要性能指标LOI必然随着芳纶量的增加而下降。在研究成果(成果登记号911411)中，采用了棉型技术和设备纺织OF耐燃织物，其特点是把切短的OF在梳棉上梳棉成网制条，然后纺纱织布；由于OF刚性大而抱合力小，在梳理过程使OF变短、绒化或粉化，不仅给制条带来许多麻烦，而且使总的制成率低，也加大了成本价格。Polyacrylonitrile (PAN) fiber is pre-oxidized fiber (commonly known as pre-oxidized fiber, OF) after pre-oxidation process and equipment treatment. During the pre-oxidation process of PAN fiber, its polymer linear molecular chain is transformed into a heat-resistant ladder structure, and endows OF with non-melting and non-combustible flame resistance. It can change with water washing, and has good wearability, which is significantly better than various flame-retardant fabrics treated with flame retardants on the market. At the same time, due to the trapezoidal structure of OF, it has high rigidity and low flexibility, and the smooth surface of OF results in low cohesion between OF single fibers and poor spinnability, which brings many difficulties to spinning and weaving. In the Chinese patent (CN1036235), in order to improve the spinnability of OF, water-soluble organic fibers are blended with OF to form yarns and fabrics, and then water is used to dissolve the organic fibers in the woven fabrics to obtain OF fabrics similar to pure spinning. . In this blending process, the organic fiber is only used as a means to improve the spinnability. It is added first and then removed, which undoubtedly wastes the organic fiber and inevitably increases the cost. In the (GB2236772A) patent, pre-oxygenated yarn and aramid fiber are blended to improve spinnability and other properties; however, the limiting oxygen index (LOI) of aramid fiber is about 28, and the main performance index LOI of flame-resistant fabrics must follow the trend of aramid fiber. Decrease with increase in yield. In the research results (Registration No. 911411), cotton-type technology and equipment were used to weave OF flame-resistant fabrics. The rigidity is high and the cohesion force is small. During the carding process, the OF is shortened, fluffed or pulverized, which not only brings a lot of trouble to the strip making, but also makes the overall production rate low and increases the cost price.
本发明的目的是提供一种成本低，易制作的纺织预氧丝耐燃织物的工艺及其设备。The purpose of the present invention is to provide a low-cost, easy-to-manufacture process and equipment for weaving pre-oxygenated flame-resistant fabrics.
本发明的目的是这样实现的，是采用毛型纺织工艺，但不用传统的成网制条工艺，而用牵切制条工艺。The purpose of the present invention is achieved like this, is to adopt the wool type weaving process, but without the traditional web-making sliver process, but with the traction-cut sliver process.
其工艺步骤是预氧丝经上油、制条、针流、粗纺、细纺、并拈、落简、织造步骤制得产品，其特征在于所述的制条是先经过卷曲热定型，再进行牵切制条。The process steps are that the pre-oxygenated silk is oiled, slivered, needle flow, slubbed, fine spun, twisted, dropped, and weaved to obtain the product. It is characterized in that the sliver is curled and heat-set first, and then Carry out strip cutting.
如上所述的上油的上油量是纤维重量的0.3-0.9％。且油剂含有抗静电剂、集束剂、柔软剂、吸湿增摩剂和乳化剂的多元组分。The amount of oiling as described above is 0.3-0.9% by weight of the fiber. And the oil contains multiple components of antistatic agent, sizing agent, softener, moisture absorption friction enhancer and emulsifier.
如上所述的卷曲热定型的卷曲数为2-8个/cm，这样提高了纤维的抱合力，改善了条子的蓬松状态，使制得的条子紧凑。The number of crimps of the above-mentioned crimp heat setting is 2-8/cm, which improves the cohesion of fibers, improves the fluffy state of the sliver, and makes the obtained sliver compact.
如上所述的牵切制条的总牵切倍数为2.5-4.5倍，制条速度为10-25m/min，牵切制条是采用多段牵切机。The total stretching ratio of the above-mentioned stretch-cut strip making is 2.5-4.5 times, the strip-making speed is 10-25m/min, and the stretch-cut strip making is to adopt a multi-stage stretch-cut machine.
为了达到上述目的所必须的卷曲热定型机是由导辊、电热箱组成，其特征在于电热箱上下两侧装有电热丝，前后开有进丝口、出丝口，导辊位于进丝口处。In order to achieve the above purpose, the crimp heat setting machine is composed of a guide roller and an electric heating box. It is characterized in that electric heating wires are installed on both sides of the electric heating box, and there are wire inlets and outlets at the front and back. The guide roller is located at the wire inlet. place.
需要把纤维卷曲时，纤维经过导辊，进丝口送入电热箱内，并且调节进丝速度大于出丝速度，这样进入电热箱内的纤维自然卷曲，再经电热丝加热定型后，从出丝口就可得到卷曲的纤维。When the fiber needs to be crimped, the fiber passes through the guide roller, and the fiber inlet is sent into the electric heating box, and the feeding speed is adjusted to be greater than the output speed, so that the fiber entering the electric heating box is naturally curled, and after being heated and shaped by the electric heating wire, it is discharged from the outlet Curly fibers can be obtained by spinning.
采用本发明的工艺及卷曲热定型机可以纺出64支、32支、16支纱线，织出平纹、斜纹和缎纹布。Adopt technology of the present invention and crimp heat-setting machine to spin out 64, 32, 16 yarns, weave plain weave, twill weave and satin weave.
本发明与现有技术相比具有如下优点：Compared with the prior art, the present invention has the following advantages:
(1)采用牵切制条工艺，使总的织得率达到75-78％。(1) Adopt the strip cutting process to make the total weaving yield reach 75-78%.
(2)制得的耐燃织物耐燃性好，极限氧指数可达到40-50％。(2) The prepared flame-resistant fabric has good flame resistance, and the limiting oxygen index can reach 40-50%.
(3)工艺简单，成本低。(3) The process is simple and the cost is low.
(4)卷曲热定型机结构简单，易制做。(4) The curly heat setting machine has a simple structure and is easy to manufacture.
下面通过附图及实施例详细说明本发明的方法及卷曲热定型机。The method and the curling heat setting machine of the present invention will be described in detail below with reference to the accompanying drawings and examples.
图1是本发明的卷曲热定型机的结构示意图。Fig. 1 is a schematic structural view of a curl heat setting machine of the present invention.
如图所示，1是纤维，2是导辊，3是电热箱，4是电热箱3上下两侧的电热丝，5是电热箱3的进丝口，6是电热箱3的出丝口，导辊2位于进丝口5处。As shown in the figure, 1 is the fiber, 2 is the guide roller, 3 is the electric heating box, 4 is the electric heating wire on the upper and lower sides of the electric heating box 3, 5 is the wire inlet of the electric heating box 3, and 6 is the wire outlet of the electric heating box 3 , The guide roller 2 is located at the wire inlet 5.
需要把纤维1卷曲时，导辊2把纤维1以进丝口5送入电热箱3内，调节导辊3的转速，使进丝速度大于出丝速度，进入电热箱3内的纤维自然卷曲，再经过电热丝4加热定型后，从出丝口6就可得到卷曲的纤维。When the fiber 1 needs to be crimped, the guide roller 2 sends the fiber 1 into the electric heating box 3 through the wire inlet 5, and the rotating speed of the guide roller 3 is adjusted so that the feeding speed is greater than the wire output speed, and the fiber entering the electric heating box 3 is curled naturally , after being heated and shaped by the heating wire 4, curled fibers can be obtained from the silk outlet 6.
实施例1Example 1
给320K大丝束预氧丝上多元油剂，其上油量为预氧丝重的0.4％，预氧丝烘干之后，经卷曲热定型机进行卷曲，其卷曲度3-4个/cm，经卷曲的大丝束预氧丝用多段牵切机进行牵切制条，其总牵切倍数为3.0±0.1，制条速度为15±2m/min，最后经过针流、粗纺、细纺、并拈、落简、织造，得到纯的OF布，织布为平纹，纯OF布的经纬强力都在500N以上；斜纹OF布的经向强力在600N以上，纬向强力在500N以上，极限氧织数为42％，耐燃织物的得率为76％。Apply multi-component oil to the 320K large tow pre-oxygenated yarn, and the amount of oil applied is 0.4% of the weight of the pre-oxygenated yarn. After the pre-oxidized yarn is dried, it is crimped by a crimping heat setting machine, and the crimp is 3-4 pieces/cm , the crimped large tow pre-oxygenated yarn is stretched and cut into slivers with a multi-stage stretch cutting machine. The total stretch ratio is 3.0±0.1, and the sliver speed is 15±2m/min. , twisting, dropping, and weaving to obtain pure OF cloth, which is plain weave, and the warp and weft strength of pure OF cloth is above 500N; the warp strength of twill OF cloth is above 600N, and the weft strength is above 500N. The oxygen weave number was 42%, and the yield of flame-resistant fabric was 76%.
实施例2Example 2
给320K大丝束预氧丝上多元油剂，其上油量为预氧丝重的0.6％，预氧丝烘干之后，经卷曲热定型机进行卷曲，其卷曲度5-6个/cm，经卷曲的大丝束预氧丝用多段牵切机进行牵切制条，其总牵切倍数为3.2±0.1，制条速度为17±2m/min，最后经过针流、粗纺、细纺、并拈、落简、织造，得到纯的OF布，织布为平纹，纯OF布的经纬强力都在500N以上；斜纹OF布的经向强力在600N以上，纬向强力在500N以上，极限氧织数为42％，耐燃织物的得率为78％。Apply multi-component oil to the 320K large tow pre-oxygenated yarn, and the oiling amount is 0.6% of the weight of the pre-oxygenated yarn. After the pre-oxygenated yarn is dried, it is crimped by a crimping heat setting machine, and the crimp is 5-6 pieces/cm , the crimped large tow pre-oxygenated yarn is stretched and cut into slivers with a multi-stage stretching machine, the total stretching multiple is 3.2±0.1, and the sliver making speed is 17±2m/min. , twisting, dropping, and weaving to obtain pure OF cloth, which is plain weave, and the warp and weft strength of pure OF cloth is above 500N; the warp strength of twill OF cloth is above 600N, and the weft strength is above 500N. The oxygen weave number was 42%, and the yield of flame-resistant fabric was 78%.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97122333A CN1075573C (en) | 1997-11-18 | 1997-11-18 | Process and apparatus for spinning and weaving fire-retardant fabric of preliminaril oxidized silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97122333A CN1075573C (en) | 1997-11-18 | 1997-11-18 | Process and apparatus for spinning and weaving fire-retardant fabric of preliminaril oxidized silk |
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| Publication Number | Publication Date |
|---|---|
| CN1217402A CN1217402A (en) | 1999-05-26 |
| CN1075573C true CN1075573C (en) | 2001-11-28 |
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| CN97122333A Expired - Fee Related CN1075573C (en) | 1997-11-18 | 1997-11-18 | Process and apparatus for spinning and weaving fire-retardant fabric of preliminaril oxidized silk |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102260960B (en) * | 2011-06-27 | 2013-06-05 | 吉林市双鹏碳材料科技开发有限公司 | Preparation method of polyacrylonitrile-based preoxidized fiber felt |
| CN105350141A (en) * | 2015-12-15 | 2016-02-24 | 常熟市金羽纤维制品厂 | Preparation method of pre-oxidized fiber fabric |
| CN109023579B (en) * | 2017-06-08 | 2020-12-29 | 中国石油化工股份有限公司 | High-pull-out-strength building reinforced polyacrylonitrile chopped fiber and preparation method and application thereof |
| CN107541826A (en) * | 2017-09-06 | 2018-01-05 | 镇江市益盛裕复合材料有限公司 | A kind of design of continuous production permanent set curling oxidization fiber machine |
| CN107541812A (en) * | 2017-09-07 | 2018-01-05 | 镇江市益盛裕复合材料有限公司 | A kind of preparation method of the curling oxidization fiber of permanent set |
| CN114059567A (en) * | 2021-12-01 | 2022-02-18 | 青岛旭域土工材料股份有限公司 | Anti-slip system and method for improving slope stability coefficient and sealing cover for sealing field |
| CN117702329A (en) * | 2023-12-12 | 2024-03-15 | 山东恒泰纺织有限公司 | High-strength flame-retardant composite yarn wrapped by pre-oxidized fibers and preparation method thereof |
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- 1997-11-18 CN CN97122333A patent/CN1075573C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1217402A (en) | 1999-05-26 |
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