CN111607968A - 一种抗芯吸的涤纶长丝制作工艺 - Google Patents
一种抗芯吸的涤纶长丝制作工艺 Download PDFInfo
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Abstract
本发明提供一种抗芯吸的涤纶长丝制作工艺,包括如下步骤:1)取混料加入搅拌机中,以600~800转/分的转速搅拌10~15分钟,得阻燃抗静电聚酯混料;2)将阻燃抗静电聚酯混料送入双螺杆挤出机进行加热熔融,得到熔体,挤出温度为280~300℃;3)经充分融熔的熔体通入纺丝箱体进行计量过滤,再通过纺丝组件进行纺丝形成丝束;4)丝束经过侧吹冷却风冷却成型;5)经过油轮上纺丝油剂溶液;6)通过各对罗拉辊进行拉伸和热定型;7)上抗芯吸剂;8)将丝束直接卷绕,得到抗芯吸的涤纶长丝。所述制作工艺制得的涤纶长丝,具有优良的力学性能,原料采用阻燃抗静电聚酯混料,使得涤纶长丝具有良好的阻燃抗静电性能,采用特制的纺丝油剂,上油效果好,抗静电能力强。
Description
技术领域
本发明属于涤纶长丝制备技术领域,具体地,涉及一种抗芯吸的涤纶长丝制作工艺。
背景技术
涤纶长丝,是用涤纶做成长丝。涤纶是合成纤维中的一个重要品种,是我国聚酯纤维的商品名称。它是以精对苯二甲酸(PTA) 或对苯二甲酸二甲酯(DMT)和乙二醇(MEG) 为原料,经酯化或酯交换和缩聚反应而制得的成纤高聚物-聚对苯二甲酸乙二醇酯(PET),经纺丝和后处理制成的纤维。所谓涤纶长丝,是长度为千米以上的丝,长丝卷绕成团。
涤纶的用途很广,大量用于制造衣着和工业中制品。 阻燃涤纶因具有阻燃性,应用范围很广,除了产业用纺织品、建筑内饰、交通工具内装饰等发挥无可替代的作用外,还在防护服领域内发挥着不少的作用。根据阻燃防护服国家标准规定,冶金、林业、化工、石油、消防等部门应使用阻燃防护服。
用常规涤纶工业长丝(未经抗芯吸处理)加工成骨架布,支撑聚氯乙烯涂贴层织物后,在使用过程中,由于骨架布的边缘裸露在外,在雨水和潮气的影响下,“灯芯效应”会使骨架层吸湿、吸水而逐渐湿润,直至浸透整个骨架布面,最终导致布面污染,影响美观和使用寿命。
对于抗芯吸涤纶长丝,公开号为CN102978733A的中国专利公开了一种抗芯吸型低收缩涤纶工业丝及其制备方法。该抗芯吸型低收缩涤纶工业丝以高粘PET切片为原料,经融熔纺丝,添加适量的纺丝油剂后进行拉伸定型,在加入适量抗芯吸剂后卷绕制成;其配方以重量份计为:海利得HLD301高粘PET100份,松本HM100纺丝油剂0.5~1份,高尔斯顿624抗芯吸剂0.1~0.6份。其制备方法包括固相聚合、融熔、计量、冷却成型、上油、拉伸,上抗芯吸剂和卷绕步骤。产品既具有低收缩涤纶工业丝固有的断裂强度高,干热收缩小的特点,又同时具备疏水性能好的特性,可应用于高档灯箱广告布、泳池面料领域。然而,该专利所提供的制备方法中,采用的纺丝油剂,购买成本高,导致生产成本高,原料为简单的PET切片,性能普通。
发明内容
为解决上述存在的问题,本发明的目的在于提供一种抗芯吸的涤纶长丝制作工艺,所述制作工艺制得的涤纶长丝,具有优良的力学性能,原料采用阻燃抗静电聚酯混料,使得涤纶长丝具有良好的阻燃抗静电性能,采用特制的纺丝油剂,上油效果好,抗静电能力强。
为达到上述目的,本发明的技术方案是:
一种抗芯吸的涤纶长丝制作工艺,包括如下步骤:
1)取混料加入搅拌机中,以600~800转/分的转速搅拌10~15分钟,得阻燃抗静电聚酯混料,所述混料包括如下重量份的成分:PET切片:30~40份,纳米碳化硅:10~15份,阻燃剂:1~5份,抗静电剂:1~5份;
2)将步骤1)混合后的阻燃抗静电聚酯混料送入双螺杆挤出机进行加热熔融,得到熔体,挤出温度为280~300℃;
3)经充分融熔的熔体通入纺丝箱体进行计量过滤,再通过纺丝组件于230~250℃纺丝温度、2000~2500m/min的纺丝速度下,进行纺丝形成丝束;
4)丝束经过侧吹冷却风冷却成型,侧吹冷却风控制温度为20~25℃,侧吹风的风速为0.4~0.7m/s,风压为450~500Pa;
5)冷却后的丝束经过油轮上纺丝油剂溶液,所述纺丝油剂溶液内纺丝油剂包括如下重量份的成分:矿物油:20~30份,甲基硅油:15~25份,抗静电剂:1~5份,磷酸三酯:5~10份,脂肪醇聚氧乙烯醚:5~10份,乳化剂:1~5份,平滑剂:1~5份,抗氧剂:1~5份,水:60~80份;
6)经上油的丝束通过各对罗拉辊进行拉伸和热定型,罗拉的速度为 1000~2000m/min,温度控制在50~150℃;
7)拉伸和定型完成后上抗芯吸剂,使丝束表面均匀地吸附一层抗芯吸剂;
8)采用拨叉高速卷绕方式将丝束直接卷绕,得到抗芯吸的涤纶长丝,卷绕速度2500 ~3000m/min。
进一步地,步骤1)所述抗静电剂为聚醚酯型抗静电剂。
进一步地,步骤1)所述的阻燃剂为共聚阻燃剂,所述共聚阻燃剂为2-羧乙基苯基次膦酸。
进一步地,步骤5)中所述纺丝油剂溶液中纺丝油剂的质量百分比为10~30wt%。
进一步地,步骤5)所述矿物油为白油。
进一步地,步骤5)中所述乳化剂为聚合蓖麻油酸。
进一步地,步骤5)中所述防霉剂为尼泊金酯。
进一步地,步骤5)中所述抗静电剂为十八烷基二甲基羟乙基季铵硝酸盐、高碳醇聚氧乙烯醚磷酸酯钾盐或异构醇聚氧乙烯醚磷酸酯钾盐。
进一步地,步骤5)中所述抗氧剂为酚基抗氧剂或苯氨基抗氧剂。
进一步地,所述抗芯吸剂为高尔斯顿624抗芯吸剂。
本发明的有益效果在于:
所述制作工艺制得的涤纶长丝,具有优良的力学性能,原料采用阻燃抗静电聚酯混料,使得涤纶长丝具有良好的阻燃抗静电性能,采用特制的纺丝油剂,上油效果好,抗静电能力强,抗吸湿效果好,使用寿命长,经济效益好。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明,但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进。这些都属于本发明的保护范围。
本发明所述的一种抗芯吸的涤纶长丝制作工艺,包括如下步骤:
1)取混料加入搅拌机中,以600~800转/分的转速搅拌10~15分钟,得阻燃抗静电聚酯混料,所述混料包括如下重量份的成分:PET切片:30~40份,纳米碳化硅:10~15份,阻燃剂:1~5份,抗静电剂:1~5份;
2)将步骤1)混合后的阻燃抗静电聚酯混料送入双螺杆挤出机进行加热熔融,得到熔体,挤出温度为280~300℃;
3)经充分融熔的熔体通入纺丝箱体进行计量过滤,再通过纺丝组件于230~250℃纺丝温度、2000~2500m/min的纺丝速度下,进行纺丝形成丝束;
4)丝束经过侧吹冷却风冷却成型,侧吹冷却风控制温度为20~25℃,侧吹风的风速为0.4~0.7m/s,风压为450~500Pa;
5)冷却后的丝束经过油轮上纺丝油剂溶液,所述纺丝油剂溶液内纺丝油剂包括如下重量份的成分:矿物油:20~30份,甲基硅油:15~25份,抗静电剂:1~5份,磷酸三酯:5~10份,脂肪醇聚氧乙烯醚:5~10份,乳化剂:1~5份,平滑剂:1~5份,抗氧剂:1~5份,水:60~80份;
6)经上油的丝束通过各对罗拉辊进行拉伸和热定型,罗拉的速度为 1000~2000m/min,温度控制在50~150℃;
7)拉伸和定型完成后上抗芯吸剂,使丝束表面均匀地吸附一层抗芯吸剂;
8)采用拨叉高速卷绕方式将丝束直接卷绕,得到抗芯吸的涤纶长丝,卷绕速度2500 ~3000m/min。
进一步地,步骤1)所述抗静电剂为聚醚酯型抗静电剂。
进一步地,步骤1)所述的阻燃剂为共聚阻燃剂,所述共聚阻燃剂为2-羧乙基苯基次膦酸。
进一步地,步骤5)中所述纺丝油剂溶液中纺丝油剂的质量百分比为10~30wt%。
进一步地,步骤5)所述矿物油为白油。
进一步地,步骤5)中所述乳化剂为聚合蓖麻油酸。
进一步地,步骤5)中所述防霉剂为尼泊金酯。
进一步地,步骤5)中所述抗静电剂为十八烷基二甲基羟乙基季铵硝酸盐、高碳醇聚氧乙烯醚磷酸酯钾盐或异构醇聚氧乙烯醚磷酸酯钾盐。
进一步地,步骤5)中所述抗氧剂为酚基抗氧剂或苯氨基抗氧剂。
进一步地,所述抗芯吸剂为高尔斯顿624抗芯吸剂。
本发明所述的一种抗芯吸的涤纶长丝制作工艺,制得的涤纶长丝,具有优良的力学性能,原料采用阻燃抗静电聚酯混料,使得涤纶长丝具有良好的阻燃抗静电性能,采用特制的纺丝油剂,上油效果好,抗静电能力强,抗吸湿效果好,使用寿命长,经济效益好。
需要说明的是,以上实施例仅用以说明本发明的技术方案而非限制。尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的范围,其均应涵盖在本发明的权利要求范围中。
Claims (10)
1.一种抗芯吸的涤纶长丝制作工艺,其特征在于,包括如下步骤:
1)取混料加入搅拌机中,以600~800转/分的转速搅拌10~15分钟,得阻燃抗静电聚酯混料,所述混料包括如下重量份的成分:PET切片:30~40份,纳米碳化硅:10~15份,阻燃剂:1~5份,抗静电剂:1~5份;
2)将步骤1)混合后的阻燃抗静电聚酯混料送入双螺杆挤出机进行加热熔融,得到熔体,挤出温度为280~300℃;
3)经充分融熔的熔体通入纺丝箱体进行计量过滤,再通过纺丝组件于230~250℃纺丝温度、2000~2500m/min的纺丝速度下,进行纺丝形成丝束;
4)丝束经过侧吹冷却风冷却成型,侧吹冷却风控制温度为20~25℃,侧吹风的风速为0.4~0.7m/s,风压为450~500Pa;
5)冷却后的丝束经过油轮上纺丝油剂溶液,所述纺丝油剂溶液内纺丝油剂包括如下重量份的成分:矿物油:20~30份,甲基硅油:15~25份,抗静电剂:1~5份,磷酸三酯:5~10份,脂肪醇聚氧乙烯醚:5~10份,乳化剂:1~5份,平滑剂:1~5份,抗氧剂:1~5份,水:60~80份;
6)经上油的丝束通过各对罗拉辊进行拉伸和热定型,罗拉的速度为 1000~2000m/min,温度控制在50~150℃;
7)拉伸和定型完成后上抗芯吸剂,使丝束表面均匀地吸附一层抗芯吸剂;
8)采用拨叉高速卷绕方式将丝束直接卷绕,得到抗芯吸的涤纶长丝,卷绕速度2500 ~3000m/min。
2.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤1)所述抗静电剂为聚醚酯型抗静电剂。
3.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤1)所述的阻燃剂为共聚阻燃剂,所述共聚阻燃剂为2-羧乙基苯基次膦酸。
4.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)中所述纺丝油剂溶液中纺丝油剂的质量百分比为10~30wt%。
5.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)所述矿物油为白油。
6.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)中所述乳化剂为聚合蓖麻油酸。
7.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)中所述防霉剂为尼泊金酯。
8.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)中所述抗静电剂为十八烷基二甲基羟乙基季铵硝酸盐、高碳醇聚氧乙烯醚磷酸酯钾盐或异构醇聚氧乙烯醚磷酸酯钾盐。
9.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,步骤5)中所述抗氧剂为酚基抗氧剂或苯氨基抗氧剂。
10.根据权利要求1所述的一种抗芯吸的涤纶长丝制作工艺,其特征在于,所述抗芯吸剂为高尔斯顿624抗芯吸剂。
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