CN113604960A - 一种pet无纺布及其制备方法 - Google Patents

一种pet无纺布及其制备方法 Download PDF

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CN113604960A
CN113604960A CN202110811963.XA CN202110811963A CN113604960A CN 113604960 A CN113604960 A CN 113604960A CN 202110811963 A CN202110811963 A CN 202110811963A CN 113604960 A CN113604960 A CN 113604960A
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曾焕震
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Changting Yuanxing Textile Technology Co ltd
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Abstract

本发明涉及无纺布技术领域,且公开了一种PET无纺布制备方法,包括以下步骤:S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维;S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;本发明还提出了一种PET无纺布,包括纤维网,所述纤维网包括混合纤维,混合纤维由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。本发明不仅能够通过聚乳酸纤维使PET无纺布对环境友好,具备易降解的性能和良好的吸水性能,同时能够通过绕卷处理方便工作人员对加工完成的无纺布进行移动运输,还能够通过中药抗菌液抑制细菌的生长,防止细菌滋生过多危害健康。

Description

一种PET无纺布及其制备方法
技术领域
本发明涉及无纺布技术领域,具体为一种PET无纺布及其制备方法。
背景技术
无纺布是由定向的或随机的纤维构成,是新一代的环保材料,具有防潮、透气、柔韧、质轻、容易分解、无毒无刺激性、色彩丰富、价格低廉和可循环再用等特点,多采用聚丙烯粒料为原料,经高温熔融,喷丝、铺纲和热压卷曲生产而成,因具有布的外观和某些性能而称其为布。
无纺布因为是一种不需要纺纱织布而形成的织物,只是将纺织纤维或者长丝进行定向或随机撑列,形成纤网结构,然后采用物理机械、热粘或化学等方法加固而成,随着PET无纺布应用需求的不断增加,PET无纺布的后续处理越来越受人们的重视,PET无纺布在使用后需要对其进行降解,常规的PET无纺布降解时需要耗费大量的人力物力,且降解的速度缓慢,污染环境,不能满足人们的要求。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种PET无纺布及其制备方法,主要为解决现有的无纺布降解时需要耗费大量的人力物力,且降解的速度缓慢,污染环境的问题。
(二)技术方案
为实现上述目的,本发明提供如下技术方案:
一种PET无纺布制备方法,其制备方法包括以下步骤:
S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维;
S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;
S3:加固成型,将得到的纤维网在热轧机上热轧成PET无纺布;
S4:抗菌处理,将PET无纺布浸泡在中药抗菌液中,使PET无纺布得到抗菌处理;
S5:清洗,将抗菌后的PET无纺布浸泡在清理液内,然后使用清水对浸泡后的PET无纺布进行冲洗;
S6:烘干,将清洗处理后的PET无纺布进行真空干燥,然后放入鼓风干燥箱内进行二次干燥处理;
S7:绕卷,将烘干完成的PET无纺布进行成品卷取。
在前述方案的基础上,所述S1中铜氨纤维占混合纤维的质量分数为75-89%,聚乳酸纤维占混合纤维的质量分数为2-4%,混合温度为55-100℃,加热时间为20-40min。
作为本发明再进一步的方案,所述S2中纺丝箱纺丝的条件为:电压15-40KV,正负电极间距10-25cm,溶液流速为0.62-6mL/h,接收装置的转速220-530rpm,纺丝时间为50-120min,冷却时间为40-50min,冷却温度为20-35℃。
进一步的,所述S3中热轧处理的层压温度为155-175℃,热轧处理的层压压强为11-21kgf/cm2,热轧处理的保温保压的时间为45-60min,热轧处理的卸压温度在30-60℃。
在前述方案的基础上,所述S4中制备抗菌液的方法为:将4-6g的二氧化硅气凝胶微球加入到20-30ml的中药抗菌提取液中吸附处理,将吸附有中药抗菌成分的二氧化硅气凝胶微球溶于水,得到中药抗菌液。
本发明再进一步的方案,所述S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液。
进一步的,所述S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液。
在前述方案的基础上,所述S6中真空干燥的温度为80-100℃,干燥时间为20-40min,鼓风干燥箱干燥的温度为120-160℃,干燥时间为1-2h。
本发明还提出了一种PET无纺布,包括纤维网,所述纤维网包括混合纤维,混合纤维由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。
(三)有益效果
与现有技术相比,本发明提供了一种PET无纺布制备方法,具备以下有益效果:
1、本发明通过聚乳酸纤维在土壤或海水中经微生物作用可分解为二氧化碳和水,燃烧时不会散发毒气,不会造成污染,是一种可持续发展的生态纤维,其织物面料手感,悬垂性好,抗紫外线,具有较低的可燃性和优良的加工性。
2、本发明通过对PET无纺布进行绕卷处理方便工作人员对加工完成的无纺布进行移动运输,且方便对成卷的无纺布进行储存,提高了无纺布的便捷性。
3、本发明通过铜氨纤维具有光泽柔和、具有真丝感、手感柔软等优良性能,且耐磨性优良,竹纤维具有抗菌和杀菌的性能,从而使PET无纺布对环境友好,具备易降解的性能和良好的吸水性能。
4、本发明通过热轧处理不仅能够使无纺布具有蓬松感、厚实感,而且增加无纺布的强力和过滤能力,其压降较低,可以替代熔喷布,降低了生产成本。
5.本发明通过中药抗菌液采取天然植物为原材料,从而使其无污染无危害,能够与人体直接接触,能够抑制细菌的生长,防止细菌滋生过多危害健康。
附图说明
图1为本发明提出的一种PET无纺布制备方法的流程结构示意图。
图2为本发明提出的一种PET无纺布的结构示意图。
图中:1、纤维网;2、混合纤维。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
参照图1-图2,一种PET无纺布制备方法,其制备方法包括以下步骤:
S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维,聚乳酸纤维在土壤或海水中经微生物作用可分解为二氧化碳和水,燃烧时不会散发毒气,不会造成污染,是一种可持续发展的生态纤维,其织物面料手感,悬垂性好,抗紫外线,具有较低的可燃性和优良的加工性。
S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;
S3:加固成型,将得到的纤维网在热轧机上热轧成PET无纺布;
S4:抗菌处理,将PET无纺布浸泡在中药抗菌液中,使PET无纺布得到抗菌处理;
S5:清洗,将抗菌后的PET无纺布浸泡在清理液内,然后使用清水对浸泡后的PET无纺布进行冲洗;
S6:烘干,将清洗处理后的PET无纺布进行真空干燥,然后放入鼓风干燥箱内进行二次干燥处理;
S7:绕卷,将烘干完成的PET无纺布进行成品卷取,通过对PET无纺布进行绕卷处理方便工作人员对加工完成的无纺布进行移动运输,且方便对成卷的无纺布进行储存,提高了无纺布的便捷性。
本发明的S1中铜氨纤维占混合纤维的质量分数为76%,聚乳酸纤维占混合纤维的质量分数为2.1%,混合温度为56℃,加热时间为25min,铜氨纤维具有光泽柔和、具有真丝感、手感柔软等优良性能,且耐磨性优良,竹纤维具有抗菌和杀菌的性能,从而使PET无纺布对环境友好,具备易降解的性能和良好的吸水性能,S2中纺丝箱纺丝的条件为:电压16KV,正负电极间距11cm,溶液流速为0.8mL/h,接收装置的转速225rpm,纺丝时间为55min,冷却时间为45min,冷却温度为22℃,S3中热轧处理的层压温度为156℃,热轧处理的层压压强为12kgf/cm2,热轧处理的保温保压的时间为46min,热轧处理的卸压温度在35℃,热轧处理不仅能够使无纺布具有蓬松感、厚实感,更增加无纺布的强力和过滤能力,其压降较低,可以替代熔喷布,降低了生产成本。
需要说明的是,S4中制备抗菌液的方法为:将4.2g的二氧化硅气凝胶微球加入到22ml的中药抗菌提取液中吸附处理,将吸附有中药抗菌成分的二氧化硅气凝胶微球溶于水,得到中药抗菌液,中药抗菌液采取天然植物为原材料,从而使其无污染无危害,能够与人体直接接触,能够抑制细菌的生长,防止细菌滋生过多危害健康,S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液,S5中清理液的制备方法为将2.1g的氢氧化钠和0.4g的十六烷基三甲基溴化铵溶于6l水中,浸泡时间为3min,S6中真空干燥的温度为85℃,干燥时间为25min,鼓风干燥箱干燥的温度为122℃,干燥时间为1h。
本发明还提出了一种PET无纺布,包括纤维网1,纤维网1包括混合纤维2,混合纤维2由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。
实施例2
参照图1-图2,一种PET无纺布制备方法,其制备方法包括以下步骤:
S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维,聚乳酸纤维在土壤或海水中经微生物作用可分解为二氧化碳和水,燃烧时不会散发毒气,不会造成污染,是一种可持续发展的生态纤维,其织物面料手感,悬垂性好,抗紫外线,具有较低的可燃性和优良的加工性。
S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;
S3:加固成型,将得到的纤维网在热轧机上热轧成PET无纺布;
S4:抗菌处理,将PET无纺布浸泡在中药抗菌液中,使PET无纺布得到抗菌处理;
S5:清洗,将抗菌后的PET无纺布浸泡在清理液内,然后使用清水对浸泡后的PET无纺布进行冲洗;
S6:烘干,将清洗处理后的PET无纺布进行真空干燥,然后放入鼓风干燥箱内进行二次干燥处理;
S7:绕卷,将烘干完成的PET无纺布进行成品卷取,通过对PET无纺布进行绕卷处理方便工作人员对加工完成的无纺布进行移动运输,且方便对成卷的无纺布进行储存,提高了无纺布的便捷性。
本发明的S1中铜氨纤维占混合纤维的质量分数为80%,聚乳酸纤维占混合纤维的质量分数为3%,混合温度为70℃,加热时间为30min,铜氨纤维具有光泽柔和、具有真丝感、手感柔软等优良性能,且耐磨性优良,竹纤维具有抗菌和杀菌的性能,从而使PET无纺布对环境友好,具备易降解的性能和良好的吸水性能,S2中纺丝箱纺丝的条件为:电压32KV,正负电极间距21cm,溶液流速为2mL/h,接收装置的转速320rpm,纺丝时间为75min,冷却时间为46min,冷却温度为30℃,S3中热轧处理的层压温度为163℃,热轧处理的层压压强为16kgf/cm2,热轧处理的保温保压的时间为54min,热轧处理的卸压温度在41℃,热轧处理不仅能够使无纺布具有蓬松感、厚实感,更增加无纺布的强力和过滤能力,其压降较低,可以替代熔喷布,降低了生产成本。
需要说明的是,S4中制备抗菌液的方法为:将5g的二氧化硅气凝胶微球加入到25ml的中药抗菌提取液中吸附处理,将吸附有中药抗菌成分的二氧化硅气凝胶微球溶于水,得到中药抗菌液,中药抗菌液采取天然植物为原材料,从而使其无污染无危害,能够与人体直接接触,能够抑制细菌的生长,防止细菌滋生过多危害健康,S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液,S5中清理液的制备方法为将3g的氢氧化钠和0.5g的十六烷基三甲基溴化铵溶于7l水中,浸泡时间为4min,S6中真空干燥的温度为90℃,干燥时间为30min,鼓风干燥箱干燥的温度为145℃,干燥时间为1.5h。
本发明还提出了一种PET无纺布,包括纤维网1,纤维网1包括混合纤维2,混合纤维2由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。
实施例3
参照图1-图2,一种PET无纺布制备方法,其制备方法包括以下步骤:
S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维,聚乳酸纤维在土壤或海水中经微生物作用可分解为二氧化碳和水,燃烧时不会散发毒气,不会造成污染,是一种可持续发展的生态纤维,其织物面料手感,悬垂性好,抗紫外线,具有较低的可燃性和优良的加工性。
S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;
S3:加固成型,将得到的纤维网在热轧机上热轧成PET无纺布;
S4:抗菌处理,将PET无纺布浸泡在中药抗菌液中,使PET无纺布得到抗菌处理;
S5:清洗,将抗菌后的PET无纺布浸泡在清理液内,然后使用清水对浸泡后的PET无纺布进行冲洗;
S6:烘干,将清洗处理后的PET无纺布进行真空干燥,然后放入鼓风干燥箱内进行二次干燥处理;
S7:绕卷,将烘干完成的PET无纺布进行成品卷取,通过对PET无纺布进行绕卷处理方便工作人员对加工完成的无纺布进行移动运输,且方便对成卷的无纺布进行储存,提高了无纺布的便捷性。
本发明的S1中铜氨纤维占混合纤维的质量分数为87%,聚乳酸纤维占混合纤维的质量分数为3.8%,混合温度为85℃,加热时间为38min,铜氨纤维具有光泽柔和、具有真丝感、手感柔软等优良性能,且耐磨性优良,竹纤维具有抗菌和杀菌的性能,从而使PET无纺布对环境友好,具备易降解的性能和良好的吸水性能,S2中纺丝箱纺丝的条件为:电压37KV,正负电极间距24cm,溶液流速为4mL/h,接收装置的转速520rpm,纺丝时间为110min,冷却时间为49min,冷却温度为34℃,S3中热轧处理的层压温度为170℃,热轧处理的层压压强为20kgf/cm2,热轧处理的保温保压的时间为55min,热轧处理的卸压温度在56℃,热轧处理不仅能够使无纺布具有蓬松感、厚实感,更增加无纺布的强力和过滤能力,其压降较低,可以替代熔喷布,降低了生产成本。
需要说明的是,S4中制备抗菌液的方法为:将6g的二氧化硅气凝胶微球加入到28ml的中药抗菌提取液中吸附处理,将吸附有中药抗菌成分的二氧化硅气凝胶微球溶于水,得到中药抗菌液,中药抗菌液采取天然植物为原材料,从而使其无污染无危害,能够与人体直接接触,能够抑制细菌的生长,防止细菌滋生过多危害健康,S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液,S5中清理液的制备方法为将3.8g的氢氧化钠和0.5g的十六烷基三甲基溴化铵溶于7.8l水中,浸泡时间为4.6min,S6中真空干燥的温度为95℃,干燥时间为34min,鼓风干燥箱干燥的温度为152℃,干燥时间为1.8h。
本发明还提出了一种PET无纺布,包括纤维网1,纤维网1包括混合纤维2,混合纤维2由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。
在该文中的描述中,需要说明的是,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。

Claims (9)

1.一种PET无纺布制备方法,其特征在于,其制备方法包括以下步骤:
S1:原料制备,将铜氨纤维、聚乳酸纤维和竹纤维置于反应容器中均匀混合,并加热得到混合纤维;
S2:制备纤维网,将混合纤维压入纺丝箱体,经喷丝,冷却至丝体凝固,牵引得纤维网;
S3:加固成型,将得到的纤维网在热轧机上热轧成PET无纺布;
S4:抗菌处理,将PET无纺布浸泡在中药抗菌液中,使PET无纺布得到抗菌处理;
S5:清洗,将抗菌后的PET无纺布浸泡在清理液内,然后使用清水对浸泡后的PET无纺布进行冲洗;
S6:烘干,将清洗处理后的PET无纺布进行真空干燥,然后放入鼓风干燥箱内进行二次干燥处理;
S7:绕卷,将烘干完成的PET无纺布进行成品卷取。
2.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S1中铜氨纤维占混合纤维的质量分数为75-89%,聚乳酸纤维占混合纤维的质量分数为2-4%,混合温度为55-100℃,加热时间为20-40min。
3.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S2中纺丝箱纺丝的条件为:电压15-40KV,正负电极间距10-25cm,溶液流速为0.62-6mL/h,接收装置的转速220-530rpm,纺丝时间为50-120min,冷却时间为40-50min,冷却温度为20-35℃。
4.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S3中热轧处理的层压温度为155-175℃,热轧处理的层压压强为11-21kgf/cm2,热轧处理的保温保压的时间为45-60min,热轧处理的卸压温度在30-60℃。
5.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S4中制备抗菌液的方法为:将4-6g的二氧化硅气凝胶微球加入到20-30ml的中药抗菌提取液中吸附处理,将吸附有中药抗菌成分的二氧化硅气凝胶微球溶于水,得到中药抗菌液。
6.根据权利要求5所述的一种PET无纺布制备方法,其特征在于,所述S4中二氧化硅气凝胶微球是指含有羧基的二氧化硅气凝胶微球,中药抗菌提取液为板蓝根煎煮液、龙骨粉煎煮液或两者的混合煎煮液。
7.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S5中清理液的制备方法为将2-4g的氢氧化钠和0.4-0.6g的十六烷基三甲基溴化铵溶于6-8l水中,浸泡时间为3-5min。
8.根据权利要求1所述的一种PET无纺布制备方法,其特征在于,所述S6中真空干燥的温度为80-100℃,干燥时间为20-40min,鼓风干燥箱干燥的温度为120-160℃,干燥时间为1-2h。
9.一种PET无纺布,包括纤维网(1),其特征在于,所述纤维网(1)包括混合纤维(2),混合纤维(2)由铜氨纤维、聚乳酸纤维和竹纤维加热混合而成。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114134591A (zh) * 2021-12-13 2022-03-04 中国科学技术大学先进技术研究院 一种聚酯复合纤维的制备方法
CN114892409A (zh) * 2022-05-12 2022-08-12 泉州市兴诚达纺织有限责任公司 一种复合中底板鞋用无纺布制备方法
CN115387022A (zh) * 2022-08-16 2022-11-25 江苏邦美新材料有限公司 一种用于水净化的无纺布的制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114134591A (zh) * 2021-12-13 2022-03-04 中国科学技术大学先进技术研究院 一种聚酯复合纤维的制备方法
CN114134591B (zh) * 2021-12-13 2023-09-22 中国科学技术大学先进技术研究院 一种聚酯复合纤维的制备方法
CN114892409A (zh) * 2022-05-12 2022-08-12 泉州市兴诚达纺织有限责任公司 一种复合中底板鞋用无纺布制备方法
CN115387022A (zh) * 2022-08-16 2022-11-25 江苏邦美新材料有限公司 一种用于水净化的无纺布的制备方法

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Application publication date: 20211105