CN111996660A - 一种防熔阻燃弹性带及其制造方法 - Google Patents
一种防熔阻燃弹性带及其制造方法 Download PDFInfo
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- 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 title claims abstract description 183
- 239000003063 flame retardant Substances 0.000 title claims abstract description 183
- 238000002844 melting Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 229920000742 Cotton Polymers 0.000 claims abstract description 105
- 229920002334 Spandex Polymers 0.000 claims abstract description 30
- 239000004759 spandex Substances 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 229920000728 polyester Polymers 0.000 claims abstract description 25
- 239000012792 core layer Substances 0.000 claims abstract description 15
- 238000009941 weaving Methods 0.000 claims abstract description 13
- 239000002759 woven fabric Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 66
- 238000007598 dipping method Methods 0.000 claims description 33
- 238000004043 dyeing Methods 0.000 claims description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 20
- 229920004933 Terylene® Polymers 0.000 claims description 16
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000004061 bleaching Methods 0.000 claims description 10
- 239000003995 emulsifying agent Substances 0.000 claims description 10
- 239000012224 working solution Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 238000007730 finishing process Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000003223 protective agent Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims 6
- 239000000835 fiber Substances 0.000 claims 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 230000003141 anti-fusion Effects 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000009987 spinning Methods 0.000 claims 1
- 238000009851 ferrous metallurgy Methods 0.000 abstract description 5
- 235000013351 cheese Nutrition 0.000 description 6
- 230000008018 melting Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
本发明公开了一种防熔阻燃弹性带,采用阻燃氨纶作为芯层,皮层采用阻燃涤纶和阻燃棉纱交织而成,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱的重量比例为30‑40:8‑10:62‑50,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱通过螺旋编织机编织形成螺旋编织物结构。本发明的产品保证了阻燃要求以及带体结构的伸长比、弹性、耐疲劳性和结构稳定性符合使用要求,织物湿舒适功能和接触舒适功能得到改善,用于消防、实验室、钢铁冶金等紧贴人体皮肤工作服装、鞋帽紧固件。
Description
技术领域
本发明涉及一种弹性带及其制造方法,更特别地涉及一种防熔阻燃弹性带及其制造方法。
背景技术
阻燃弹性带广泛用于消防、实验室、钢铁冶金等工作服装、鞋帽紧固件,起到很好的阻燃防护作用。但是,这些阻燃弹性带在用于消防、实验室、钢铁冶金等工作服装、鞋帽紧固件紧贴人体皮肤时,紧固件短暂燃烧熔融和受热熔融对人体皮肤产生的熔融伤害非常严重,由于弹性带为了保证带体结构的伸长比、弹性、耐疲劳性和结构稳定性,一般仅采用合成纤维长丝和乳胶丝作原料,由于这些材料都有受热熔融的特性,这些阻燃弹性带熔融问题一直难以解决,同时织物表面采用合成纤维,湿舒适功能和接触舒适功能差。
发明内容
本发明的目的之一是提供一种防熔阻燃弹性带。
本发明的目的之二是提供一种防熔阻燃弹性带的制造方法。
本发明的这些以及其它目的将通过下列详细描述和说明来进一步阐述。
本发明的一种防熔阻燃弹性带,采用阻燃氨纶作为芯层,皮层采用阻燃涤纶和阻燃棉纱交织而成,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱的重量比例为30-40:8-10:62-50,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱通过螺旋编织机编织形成螺旋编织物结构。
本发明的防熔阻燃弹性带的制造方法,采用螺旋编织织物结构,芯层的阻燃氨纶丝的线密度为1280D-2080D,3-15根;表层采用16-64s阻燃棉纱2-6根并成一股,1-7个锭子,再采用150-300D阻燃涤纶1-3根,1-3个锭子,棉纱锭子与阻燃涤纶锭子比例1-7:1,阻燃氨纶丝和交织的阻燃涤纶和阻燃棉纱经编织形成防熔阻燃弹性带。
进一步的,在本发明的防熔阻燃弹性带的制造方法中,采用螺旋编织织物结构,芯层的阻燃氨纶丝的线密度为1680D,6-10根;表层采用32s阻燃棉纱2-4根并成一股,3-5个锭子,再采用150-300D阻燃涤纶1根,1个锭子,棉纱锭子与阻燃涤纶锭子比例3-5:1,阻燃氨纶丝和交织的阻燃涤纶和阻燃棉纱经编织形成防熔阻燃弹性带。
在本发明的防熔阻燃弹性带的制造方法中,阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱清洗液配方为:片碱PJ浓度0.05-0.35g/L,乳化剂LF-100浓度0.25-1.05g/L;清洗液在浸染机中循环3-15min,再加热至50-80℃,清洗10-30min,脱水1-4min,最后在30-40℃的温水中循环清洗5-12min,完毕脱水3-6min。
较好的是,在本发明的防熔阻燃弹性带的制造方法中,阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱清洗液配方为:片碱PJ浓度0.10-0.15g/L,乳化剂LF-100浓度0.45-0.55g/L;清洗液在浸染机中循环5-10min,再加热至60-70℃,清洗15-20min,脱水2-3min,最后在30-40℃的温水中循环清洗5-10min,完毕脱水3-5min。
在本发明的防熔阻燃弹性带的制造方法中,阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱阻燃整理配方为:棉耐久阻燃剂FK-103浓度为200-350g/L,FK-062树脂浓度40-80g/L,磷酸(85%)浓度6-15g/L,MgCl2浓度1-4g/L,FK-074强力保护剂浓度6-15g/L,JFC渗透剂浓度1-4g/L,采用浸渍法,浴比1:10-20,浸渍温度25-50℃,浸渍时间1-6H,浸渍完毕脱水2-6min,在100-120℃烘干20-50min。
较好的是,在本发明的防熔阻燃弹性带的制造方法中,阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱阻燃整理配方为:棉耐久阻燃剂FK-103浓度为250-300g/L,FK-062树脂浓度50-60g/L,磷酸(85%)浓度8-12g/L,MgCl2浓度2-3g/L,FK-074强力保护剂浓度8-12g/L,JFC渗透剂浓度2-3g/L,采用浸渍法,浴比1:15-20,浸渍温度30-40℃,浸渍时间2-4H,浸渍完毕脱水3-5min,在100-120℃烘干30-40min。
本发明的防熔阻燃弹性带的制造方法,采用阻燃氨纶作为芯层,皮层采用阻燃涤纶和阻燃棉纱交织而成,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱通过螺旋编织机编织形成螺旋编织物结构;按以下方法制造:
A、将32s漂白棉纱绞纱进行清洗,具体工艺为:
1)、配制清洗整理液:片碱PJ浓度0.10-0.15g/L,乳化剂LF-100浓度0.45-0.50g/L;
2)、将配制好的清洗整理液加入到浸染机中,形成清洗工作液,清洗液在浸染机中循环5-10min;然后将清洗工作液加热至60-70℃,放入漂白棉纱绞纱,在浸染机中循环清洗15-20min,再将漂白棉纱绞纱从浸染机中取出,脱水2-3min,最后将漂白棉纱绞纱放入浸染机中,在30-40℃的温水中循环清洗5-10min,完毕脱水3-5min;
B、将清洗后的32s漂白棉纱绞纱(市售的)进行浸渍阻燃整理,浴比1:15-20,浸渍温度30-40℃,浸渍时间2-4H,浸渍阻燃整理工艺配方为:
浸渍完毕脱水3-5min,在100-120℃烘干30-40min,然后将绞纱络成筒子纱,形成阻燃棉纱筒子纱;
C、设计防熔阻燃弹性带组织结构,采用螺旋编织织物结构,织物芯层采用阻燃氨纶丝,线密度1680D,根数6-10根,织物表层采用32s阻燃棉纱2-4根并成一股,先连续排列一股阻燃棉纱3-5个锭子,再采用150-300D阻燃涤纶1根,接着排列1个锭子,棉纱锭子与阻燃涤纶锭子比例3-5:1,经编织形成防熔阻燃弹性带。
本发明的防熔阻燃弹性带织物结构采用螺旋编织物结构代替机织结构或针织机织复合结构,采用阻燃氨纶丝替代乳胶丝作阻燃防熔弹性带螺旋编织物芯层,阻燃防熔弹性带螺旋编织物外层部分采用较细阻燃涤纶编织,部分采用较粗阻燃棉纱编织。由于防熔阻燃弹性带螺旋编织物外层可熔融涤纶和不熔棉纱的合理分布,棉纱在织物表面突出,涤纶在织物表面凹陷,同时,棉纱在织物表面分布面积大,涤纶在织物表面分布面积小,棉纱有效的约束了涤纶熔融的危害,织物燃烧后几乎无熔融物,全为灰烬。同时也保证了阻燃要求以及带体结构的伸长比、弹性、耐疲劳性和结构稳定性符合使用要求,织物湿舒适功能和接触舒适功能得到改善。用于消防、实验室、钢铁冶金等紧贴人体皮肤工作服装、鞋帽紧固件。
在本发明中,片碱PJ由无锡大协贸易有限公司生产,乳化剂LF-100由百隆台北有限公司生产,棉耐久阻燃剂FK-103,FK-062树脂,FK-074强力保护剂由北京中纺化工股份有限公司生产。
本发明的防熔阻燃弹性带是采用阻燃氨纶芯,加阻燃涤纶和阻燃棉纱交织皮制造的螺旋编织弹性带。本发明的防熔阻燃弹性带无熔融,阻燃达到美国波音标准(燃烧长度小于20cm,滴焰时间小于5s,余焰时间小于15s),用于消防、实验室、钢铁冶金等紧贴人体皮肤工作服装、鞋帽紧固件,有利于提高使用者的舒适性和安全防护性。
以下结合具体优选实施方式对本发明做出进一步详细说明,但不能认定本发明的具体实施方式只局限于这些说明。对于本发明所属技术领域的普通技术人员来说,在不脱离本发明的技术方案下得出的其他实施方式,均应包含在本发明的保护范围内。
在本发明中所有的量、份均为重量单位,所有的原材料均可以从市场购得。
具体实施方式:
实施例1
1:将32s漂白棉纱绞纱(市售的)进行清洗,具体工艺为:
A.配制清洗整理液:片碱PJ浓度0.10g/L,乳化剂LF-100浓度0.45g/L;
B.将配制好的清洗整理液加入到浸染机中,形成清洗工作液,清洗液在浸染机中循环5min;然后将清洗工作液加热至60℃,放入漂白棉纱绞纱,在浸染机中循环清洗15min,然后将漂白棉纱绞纱从浸染机中取出,脱水2min,再将漂白棉纱绞纱放入浸染机中,在30℃的温水中循环清洗5min,完毕脱水3min。
2:将清洗后的32s漂白棉纱绞纱进行浸渍阻燃整理,浴比1:15,浸渍温度30℃,浸渍时间4H,浸渍阻燃整理工艺配方为:
浸渍完毕脱水3min,在120℃烘干30min,然后将绞纱络成筒子纱,形成阻燃棉纱筒子纱。
3:设计防熔阻燃弹性带组织结构,采用螺旋编织织物结构,织物芯层采用阻燃氨纶丝,线密度1680D,根数6根,织物表层采用32s阻燃棉纱2根并成一股,先连续排列一股阻燃棉纱5个锭子,再采用150D阻燃涤纶1根,接着排列1个锭子,阻燃棉纱锭子与阻燃涤纶锭子比例5:1,经编织形成防熔阻燃弹性带。
实施例2
1:将32s漂白棉纱绞纱(市售的)进行清洗,具体工艺为:
A.配制清洗整理液:片碱PJ浓度0.15g/L,乳化剂LF-100浓度0.50g/L;
B.将配制好的清洗整理液加入到浸染机中,形成清洗工作液,清洗液在浸染机中循环10min;然后将清洗工作液加热至70℃,放入漂白棉纱绞纱,在浸染机中循环清洗20min,然后将漂白棉纱绞纱从浸染机中取出,脱水3min,再将漂白棉纱绞纱放入浸染机中,在40℃的温水中循环清洗10min,完毕脱水5min。
2:将清洗后的32s漂白棉纱绞纱进行浸渍阻燃整理,浴比1:20,浸渍温度40℃,浸渍时间2H,浸渍阻燃整理工艺配方为:
浸渍完毕脱水5min,在100℃烘干40min,然后将绞纱络成筒子纱,形成阻燃棉纱筒子纱。
3:设计防熔阻燃弹性带组织结构时,采用螺旋编织织物结构,织物芯层采用阻燃氨纶丝,线密度1680D,根数10根,织物表层采用32s阻燃棉纱4根并成一股,先连续排列一股阻燃棉纱3个锭子,再采用300D阻燃涤纶1根,接着排列1个锭子,阻燃棉纱锭子与阻燃涤纶锭子比例3:1,经编织形成防熔阻燃弹性带。
实施例3
1:将32s漂白棉纱绞纱进行清洗,具体工艺为:
A.配制清洗整理液:片碱PJ浓度0.13g/L,乳化剂LF-100浓度0.48g/L;
B.将配制好的清洗整理液加入到浸染机中,形成清洗工作液,清洗液在浸染机中循环7min;然后将清洗工作液加热至65℃,放入漂白棉纱绞纱,在浸染机中循环清洗18min,再将漂白棉纱绞纱从浸染机中取出,脱水2min,最后将漂白棉纱绞纱放入浸染机中,在35℃的温水中循环清洗8min,完毕脱水4min;
2:将清洗后的32s漂白棉纱绞纱(市售的)进行浸渍阻燃整理,浴比1:18,浸渍温度35℃,浸渍时间3H,浸渍阻燃整理工艺配方为:
浸渍完毕脱水4min,在110℃烘干35min,然后将绞纱络成筒子纱,形成阻燃棉纱筒子纱;
3:设计防熔阻燃弹性带组织结构,采用螺旋编织织物结构,织物芯层采用阻燃氨纶丝,线密度1680D,根数8根,织物表层采用32s阻燃棉纱3根并成一股,先连续排列一股阻燃棉纱4个锭子,再采用180D阻燃涤纶1根,接着排列1个锭子,棉纱锭子与阻燃涤纶锭子比例4:1,经编织形成防熔阻燃弹性带。
普通阻燃弹性带与防熔阻燃弹性带性能比较如表1:
表1普通阻燃弹性带与防熔阻燃弹性带性能比较
Claims (8)
1.一种防熔阻燃弹性带,其特征在于采用阻燃氨纶作为芯层,皮层采用阻燃涤纶和阻燃棉纱交织而成,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱的重量比例为30-40:8-10:62-50,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱通过螺旋编织机编织形成螺旋编织物结构。
2.根据权利要求1所述的防熔阻燃弹性带的制造方法,其特征在于采用螺旋编织织物结构,芯层的阻燃氨纶丝的线密度为1280D-2080D,3-15根;表层采用16-64s阻燃棉纱2-6根并成一股,1-7个锭子,再采用150-300D阻燃涤纶1-3根,1-3个锭子,棉纱锭子与阻燃涤纶锭子比例1-7:1,阻燃氨纶丝和交织的阻燃涤纶和阻燃棉纱经编织形成防熔阻燃弹性带。
3.根据权利要求2所述的防熔阻燃弹性带的制造方法,其特征在于采用螺旋编织织物结构,芯层的阻燃氨纶丝的线密度为1680D,6-10根;表层采用32s阻燃棉纱2-4根并成一股,3-5个锭子,再采用150-300D阻燃涤纶1根,1个锭子,棉纱锭子与阻燃涤纶锭子比例3-5:1,阻燃氨纶丝和交织的阻燃涤纶和阻燃棉纱经编织形成防熔阻燃弹性带。
4.根据权利要求2或3所述的防熔阻燃弹性带的制造方法,其特征在于阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱清洗液配方为:片碱PJ浓度0.05-0.35g/L,乳化剂LF-100浓度0.25-1.05g/L;清洗液在浸染机中循环3-15min,再加热至50-80℃,清洗10-30min,脱水1-4min,最后在30-40℃的温水中循环清洗5-12min,完毕脱水3-6min。
5.根据权利要求4所述的防熔阻燃弹性带的制造方法,其特征在于阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱清洗液配方为:片碱PJ浓度0.10-0.15g/L,乳化剂LF-100浓度0.45-0.55g/L;清洗液在浸染机中循环5-10min,再加热至60-70℃,清洗15-20min,脱水2-3min,最后在30-40℃的温水中循环清洗5-10min,完毕脱水3-5min。
6.根据权利要求4所述的防熔阻燃弹性带的制造方法,其特征在于阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱阻燃整理配方为:棉耐久阻燃剂FK-103浓度为200-350g/L,FK-062树脂浓度40-80g/L,磷酸(85%)浓度6-15g/L,MgCl2浓度1-4g/L,FK-074强力保护剂浓度6-15g/L,JFC渗透剂浓度1-4g/L,采用浸渍法,浴比1:10-20,浸渍温度25-50℃,浸渍时间1-6H,浸渍完毕脱水2-6min,在100-120℃烘干20-50min。
7.根据权利要求4所述的防熔阻燃弹性带的制造方法,其特征在于阻燃棉纱通过清洗漂白棉纱绞纱和阻燃整理得到,其中所述的漂白棉纱绞纱阻燃整理配方为:棉耐久阻燃剂FK-103浓度为250-300g/L,FK-062树脂浓度50-60g/L,磷酸(85%)浓度8-12g/L,MgCl2浓度2-3g/L,FK-074强力保护剂浓度8-12g/L,JFC渗透剂浓度2-3g/L,,采用浸渍法,浴比1:15-20,浸渍温度30-40℃,浸渍时间2-4H,浸渍完毕脱水3-5min,在100-120℃烘干30-40min。
8.一种防熔阻燃弹性带的制造方法,其特征在于采用阻燃氨纶作为芯层,皮层采用阻燃涤纶和阻燃棉纱交织而成,阻燃氨纶和交织的阻燃涤纶和阻燃棉纱通过螺旋编织机编织形成螺旋编织物结构;按以下方法制造:
A、将32s漂白棉纱绞纱进行清洗,具体工艺为:
1)、配制清洗整理液:片碱PJ浓度0.10-0.15g/L,乳化剂LF-100浓度0.45-0.50g/L;
2)、将配制好的清洗整理液加入到浸染机中,形成清洗工作液,清洗液在浸染机中循环5-10min;然后将清洗工作液加热至60-70℃,放入漂白棉纱绞纱,在浸染机中循环清洗15-20min,再将漂白棉纱绞纱从浸染机中取出,脱水2-3min,最后将漂白棉纱绞纱放入浸染机中,在30-40℃的温水中循环清洗5-10min,完毕脱水3-5min;
B、将清洗后的32s漂白棉纱绞纱进行浸渍阻燃整理,浴比1:15-20,浸渍温度30-40℃,浸渍时间2-4H,浸渍阻燃整理工艺配方为:
浸渍完毕脱水3-5min,在100-120℃烘干30-40min,然后将绞纱络成筒子纱,形成阻燃棉纱筒子纱;
C、设计防熔阻燃弹性带组织结构,采用螺旋编织织物结构,织物芯层采用阻燃氨纶丝,线密度1680D,根数6-10根,织物表层采用32s阻燃棉纱2-4根并成一股,先连续排列一股阻燃棉纱3-5个锭子,再采用150-300D阻燃涤纶1根,接着排列1个锭子,棉纱锭子与阻燃涤纶锭子比例3-5:1,经编织形成防熔阻燃弹性带。
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