CN114179467A - 一种纳米羽绒服布料的生产工艺 - Google Patents
一种纳米羽绒服布料的生产工艺 Download PDFInfo
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Abstract
本发明属于面料技术领域,具体涉及一种纳米羽绒服布料的生产工艺,包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜,并限定了聚四氟乙烯基微孔薄膜内含有活性氧化铝和二氧化钛,同时提供了其制备方法。本发明解决了现有羽绒服面料透气性不佳的问题,利用聚四氟乙烯基微孔膜配合纳米氧化铝和氧化钛形成多孔性透气结构,保证良好的微孔透气性,同时提高了抗菌防晒体系。
Description
技术领域
本发明属于面料技术领域,具体涉及一种纳米羽绒服布料的生产工艺。
背景技术
羽绒是迄今为止最好的用于人类保暖的天然材料,经过洗涤、干燥、分级等工艺处理以后,被人们制成羽绒服。跟人造材料相比,羽绒的保暖能力是一般人造材料的三倍。
随着人们生活水平的提高,人们对生活质量的要求也越来越高,例如人们对羽绒服的要求,希望其不但穿着舒适,重量轻,而且要具有透气、防风、防水、防紫外线、透湿等多种功能,而现有市场上的产品都达不到上述功能。
发明内容
针对现有技术中的问题,本发明提供一种纳米羽绒服布料,解决了现有羽绒服面料透气性不佳的问题,利用聚四氟乙烯基微孔膜配合纳米氧化铝和氧化钛形成多孔性透气结构,保证良好的微孔透气性,同时提高了抗菌防晒体系。
为实现以上技术目的,本发明的技术方案是:
一种纳米羽绒服布料,包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜。
所述聚四氟乙烯基微孔薄膜中含有活性氧化铝和纳米二氧化钛。
所述薄膜的质量配比如下:纳米聚四氟乙烯20-40份、异丙醇铝5-10份、异丙醇钛3-7份。进一步的,所述纳米聚四氟乙烯的粒径为500-600nm。
所述薄膜的制备方法,包括:a1,将异丙醇铝和异丙醇钛加入至异丙醇中搅拌均匀,形成混合异丙醇液,所述搅拌速度为500-1000r/min;a2,将纳米聚四氟乙烯加入中混合异丙醇液中搅拌形成均一溶液,然后静置蒸发形成粘稠浆液,所述搅拌速度为1000-2000r/min,所述静置蒸发的温度为80-85℃;将蒸发的异丙醇降温回收,用于a1中的异丙醇铝和异丙醇钛的溶解;a3,将粘稠浆料放置在压延机上,静置0.5-1h后恒温烘干,然后60-80℃下压延形成基带;所述静置的氛围中水蒸气体积含量是10-15%,余量为氮气,所述恒温烘干的温度为100-110℃;该步骤在含水环境中静置,异丙醇会将一定量的水蒸气吸收,并均匀分散至整个异丙醇的粘稠浆液中,此时的异丙醇铝和异丙醇钛形成快速水解反应反应,转化为氢氧化铝和钛酸,且在烘干过程中,水蒸气与异丙醇在温度条件下转化为气态,并通过分离的方式得到蒸馏水与异丙醇;进一步,烘干后形成的粉料厚度为300-400μm,压延后的基带厚度为100-120μm;a4,将基带拉伸并烧结固化得到聚四氟乙烯基微孔膜,所述拉伸依次包括纵向拉伸、双向拉伸和横向拉伸,其中,纵向拉伸倍数为2-4倍,温度为250-300℃,在纵向拉伸过程中氢氧化铝和钛酸在温度条件下转化为活性氧化铝和和活性二氧化钛,且该温度下形成的活性氧化铝不仅具有多孔体系,保持整体的微孔流通性,而且活性氧化铝自身具有框架性结构,均匀分散在聚四氟乙烯内,并不形成局部结块,造成微孔均匀性差的现象,此处的钛酸经由温度作用下同样形成类似的多孔结构;所述双向拉伸的倍数为2-5倍,温度为200-250℃,所述横向拉伸的温度为150-180℃;所述烧结在横向拉伸结束后进行,且烧结温度为300-320℃,烧结时间为30-60s,烧结后得到厚度为3-10μm,孔径为0.2-1.4μm的聚四氟乙烯基微孔膜。
所述面料的质量配比包括:竹炭纤维20-30份、涤纶纤维30-50份、锦纶纤维25-40份、精梳棉纤维20-40份、聚氨酯纤维5-10份、大豆纤维10-15份。
所述面料经由经纬线编织而成,具体是经浸轧工艺、络筒、并线、倍捻、蒸纱进行热定型成条,经回洗,洗过之后烘干成形得到。
所述纳米羽绒服布料的制备方法,包括如下步骤:
步骤1,将微孔PU热熔贴合在离型纸上,形成PU膜;所述热熔温度为150-200℃;
步骤2,将PU膜与聚四乙烯基微孔膜贴合后热压粘合,然后将离型纸去除得到预制贴合膜;所述热压粘合的温度为200-230℃,所述预制贴合膜的厚度为5-12μm;
步骤3,将面料表面涂覆四氢呋喃,然后将预制贴合膜胶复贴合成型,得到纳米羽绒服布料,所述四氢呋喃的涂覆量是0.1-0.4mL/cm2,胶复的温度为100-130℃。
从以上描述可以看出,本发明具备以下优点:
1.本发明解决了现有羽绒服面料透气性不佳的问题,利用聚四氟乙烯基微孔膜配合纳米氧化铝和氧化钛形成多孔性透气结构,保证良好的微孔透气性,同时提高了抗菌防晒体系。
2.本发明利用聚氨酯纤维与PU膜的同质特性,配合四氢呋喃的溶胀特性,提升薄膜与面料的紧密连接,杜绝了脱粘的效果,同时面料内的聚氨酯纤维作为锚定结构形成除面层固定之外的纵向拉伸固定。
3.本发明以纳米聚四氟乙烯粉末为悬浊物,以异丙醇铝和异丙醇钛为原材料溶剂,能够完全包裹在纳米聚四氟乙烯表面,同时在后续水解过程中,氢氧化铝与钛酸形成更为细小的颗粒均匀分布在聚四氟乙烯周边,保证微孔通透的同时增加了微孔吸附性与抗菌抗晒性。
具体实施方式
结合实施例详细说明本发明的一个具体实施例,但不对本发明的权利要求做任何限定。
实施例1
一种纳米羽绒服布料,包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜。
所述薄膜的质量配比如下:纳米聚四氟乙烯20份、异丙醇铝5份、异丙醇钛3份,所述纳米聚四氟乙烯的粒径为500nm。
所述薄膜的制备方法,包括:a1,将异丙醇铝和异丙醇钛加入至异丙醇中搅拌均匀,形成混合异丙醇液,所述搅拌速度为500r/min;a2,将纳米聚四氟乙烯加入中混合异丙醇液中搅拌形成均一溶液,然后静置蒸发形成粘稠浆液,所述搅拌速度为1000r/min,所述静置蒸发的温度为80℃;将蒸发的异丙醇降温回收,用于a1中的异丙醇铝和异丙醇钛的溶解;a3,将粘稠浆料放置在压延机上,静置0.5h后恒温烘干,然后60℃下压延形成基带;所述静置的氛围中水蒸气体积含量是10%,余量为氮气,所述恒温烘干的温度为100℃;烘干后形成的粉料厚度为300μm,压延后的基带厚度为100μm;a4,将基带拉伸并烧结固化得到聚四氟乙烯基微孔膜,所述拉伸依次包括纵向拉伸、双向拉伸和横向拉伸,其中,纵向拉伸倍数为2倍,温度为250℃;所述双向拉伸的倍数为2倍,温度为200℃,所述横向拉伸的温度为150℃;所述烧结在横向拉伸结束后进行,且烧结温度为300℃,烧结时间为30s,烧结后得到厚度为10μm,孔径为0.2μm的聚四氟乙烯基微孔膜。
所述面料的质量配比包括:竹炭纤维20份、涤纶纤维30份、锦纶纤维25份、精梳棉纤维20份、聚氨酯纤维5份、大豆纤维10份。
所述面料经由经纬线编织而成,具体是经浸轧工艺、络筒、并线、倍捻、蒸纱进行热定型成条,经回洗,洗过之后烘干成形得到。
所述纳米羽绒服布料的制备方法,包括如下步骤:
步骤1,将微孔PU热熔贴合在离型纸上,形成PU膜;所述热熔温度为150℃;
步骤2,将PU膜与聚四乙烯基微孔膜贴合后热压粘合,然后将离型纸去除得到预制贴合膜;所述热压粘合的温度为200℃,所述预制贴合膜的厚度为12μm;
步骤3,将面料表面涂覆四氢呋喃,然后将预制贴合膜胶复贴合成型,得到纳米羽绒服布料,所述四氢呋喃的涂覆量是0.1mL/cm2,胶复的温度为100℃。
本实施例制备的面料与市售羽绒服面料相比而言,紫外线防护系数提高了38.9%,长波紫外线透过率降低了19.7%;抗油性提高了22.9%,防水性提高了20.6%。
实施例2
一种纳米羽绒服布料,包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜;
所述薄膜的质量配比如下:纳米聚四氟乙烯40份、异丙醇铝10份、异丙醇钛7份,所述纳米聚四氟乙烯的粒径为600nm。
所述薄膜的制备方法,包括:a1,将异丙醇铝和异丙醇钛加入至异丙醇中搅拌均匀,形成混合异丙醇液,所述搅拌速度为1000r/min;a2,将纳米聚四氟乙烯加入中混合异丙醇液中搅拌形成均一溶液,然后静置蒸发形成粘稠浆液,所述搅拌速度为2000r/min,所述静置蒸发的温度为85℃;将蒸发的异丙醇降温回收,用于a1中的异丙醇铝和异丙醇钛的溶解;a3,将粘稠浆料放置在压延机上,静置1h后恒温烘干,然后80℃下压延形成基带;所述静置的氛围中水蒸气体积含量是15%,余量为氮气,所述恒温烘干的温度为110℃;烘干后形成的粉料厚度为400μm,压延后的基带厚度为120μm;a4,将基带拉伸并烧结固化得到聚四氟乙烯基微孔膜,所述拉伸依次包括纵向拉伸、双向拉伸和横向拉伸,其中,纵向拉伸倍数为4倍,温度为300℃;所述双向拉伸的倍数为5倍,温度为250℃,所述横向拉伸的温度为180℃;所述烧结在横向拉伸结束后进行,且烧结温度为320℃,烧结时间为60s,烧结后得到厚度为3μm,孔径为1.4μm的聚四氟乙烯基微孔膜。
所述面料的质量配比包括:竹炭纤维30份、涤纶纤维50份、锦纶纤维40份、精梳棉纤维40份、聚氨酯纤维10份、大豆纤维15份。
所述面料经由经纬线编织而成,具体是经浸轧工艺、络筒、并线、倍捻、蒸纱进行热定型成条,经回洗,洗过之后烘干成形得到。
所述纳米羽绒服布料的制备方法,包括如下步骤:
步骤1,将微孔PU热熔贴合在离型纸上,形成PU膜;所述热熔温度为200℃;
步骤2,将PU膜与聚四乙烯基微孔膜贴合后热压粘合,然后将离型纸去除得到预制贴合膜;所述热压粘合的温度为230℃,所述预制贴合膜的厚度为5μm;
步骤3,将面料表面涂覆四氢呋喃,然后将预制贴合膜胶复贴合成型,得到纳米羽绒服布料,所述四氢呋喃的涂覆量是0.4mL/cm2,胶复的温度为130℃。
本实施例制备的面料与市售羽绒服面料相比而言,紫外线防护系数提高了46.3%,长波紫外线透过率降低了27.1%;抗油性提高了29.7%,防水性提高了26.5%。
实施例3
一种纳米羽绒服布料,包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜。
所述薄膜的质量配比如下:纳米聚四氟乙烯30份、异丙醇铝8份、异丙醇钛5份,所述纳米聚四氟乙烯的粒径为550nm。
所述薄膜的制备方法,包括:a1,将异丙醇铝和异丙醇钛加入至异丙醇中搅拌均匀,形成混合异丙醇液,所述搅拌速度为700r/min;a2,将纳米聚四氟乙烯加入中混合异丙醇液中搅拌形成均一溶液,然后静置蒸发形成粘稠浆液,所述搅拌速度为1500r/min,所述静置蒸发的温度为85℃;将蒸发的异丙醇降温回收,用于a1中的异丙醇铝和异丙醇钛的溶解;a3,将粘稠浆料放置在压延机上,静置1h后恒温烘干,然后70℃下压延形成基带;所述静置的氛围中水蒸气体积含量是14%,余量为氮气,所述恒温烘干的温度为105℃;烘干后形成的粉料厚度为350μm,压延后的基带厚度为110μm;a4,将基带拉伸并烧结固化得到聚四氟乙烯基微孔膜,所述拉伸依次包括纵向拉伸、双向拉伸和横向拉伸,其中,纵向拉伸倍数为3倍,温度为280℃,所述双向拉伸的倍数为4倍,温度为230℃,所述横向拉伸的温度为170℃;所述烧结在横向拉伸结束后进行,且烧结温度为310℃,烧结时间为50s,烧结后得到厚度为8μm,孔径为0.6μm的聚四氟乙烯基微孔膜。
所述面料的质量配比包括:竹炭纤维25份、涤纶纤维40份、锦纶纤维40份、精梳棉纤维30份、聚氨酯纤维5份、大豆纤维13份。
所述面料经由经纬线编织而成,具体是经浸轧工艺、络筒、并线、倍捻、蒸纱进行热定型成条,经回洗,洗过之后烘干成形得到。
所述纳米羽绒服布料的制备方法,包括如下步骤:
步骤1,将微孔PU热熔贴合在离型纸上,形成PU膜;所述热熔温度为180℃;
步骤2,将PU膜与聚四乙烯基微孔膜贴合后热压粘合,然后将离型纸去除得到预制贴合膜;所述热压粘合的温度为220℃,所述预制贴合膜的厚度为10μm;
步骤3,将面料表面涂覆四氢呋喃,然后将预制贴合膜胶复贴合成型,得到纳米羽绒服布料,所述四氢呋喃的涂覆量是0.3mL/cm2,胶复的温度为210℃。
本实施例制备的面料与市售羽绒服面料相比而言,紫外线防护系数提高了43.5%,长波紫外线透过率降低了21.6%;抗油性提高了25.1%,防水性提高了23.9%。
综上所述,本发明具有以下优点:
1.本发明解决了现有羽绒服面料透气性不佳的问题,利用聚四氟乙烯基微孔膜配合纳米氧化铝和氧化钛形成多孔性透气结构,保证良好的微孔透气性,同时提高了抗菌防晒体系。
2.本发明利用聚氨酯纤维与PU膜的同质特性,配合四氢呋喃的溶胀特性,提升薄膜与面料的紧密连接,杜绝了脱粘的效果,同时面料内的聚氨酯纤维作为锚定结构形成除面层固定之外的纵向拉伸固定。
3.本发明以纳米聚四氟乙烯粉末为悬浊物,以异丙醇铝和异丙醇钛为原材料溶剂,能够完全包裹在纳米聚四氟乙烯表面,同时在后续水解过程中,氢氧化铝与钛酸形成更为细小的颗粒均匀分布在聚四氟乙烯周边,保证微孔通透的同时增加了微孔吸附性与抗菌抗晒性。
可以理解的是,以上关于本发明的具体描述,仅用于说明本发明而并非受限于本发明实施例所描述的技术方案。本领域的普通技术人员应当理解,仍然可以对本发明进行修改或等同替换,以达到相同的技术效果;只要满足使用需要,都在本发明的保护范围之内。
Claims (8)
1.一种纳米羽绒服布料,其特征在于:包括布料和薄膜,且所述薄膜采用聚四氟乙烯基微孔薄膜;所述聚四氟乙烯基微孔薄膜中含有活性氧化铝和纳米二氧化钛。
2.根据权利要求1所述的纳米羽绒服布料,其特征在于:所述薄膜的质量配比如下:纳米聚四氟乙烯20-40份、异丙醇铝5-10份、异丙醇钛3-7份。
3.根据权利要求2所述的纳米羽绒服布料,其特征在于:所述纳米聚四氟乙烯的粒径为500-600nm。
4.根据权利要求1所述的纳米羽绒服布料,其特征在于:所述面料的质量配比包括:竹炭纤维20-30份、涤纶纤维30-50份、锦纶纤维25-40份、精梳棉纤维20-40份、聚氨酯纤维5-10份、大豆纤维10-15份。
5.根据权利要求4所述的纳米羽绒服布料,其特征在于:所述面料经由经纬线编织而成,具体是经浸轧工艺、络筒、并线、倍捻、蒸纱进行热定型成条,经回洗,洗过之后烘干成形得到。
6.根据权利要求1所述的纳米羽绒服布料,其特征在于:所述纳米羽绒服布料的制备方法,包括如下步骤:
步骤1,将微孔PU热熔贴合在离型纸上,形成PU膜;所述热熔温度为150-200℃;
步骤2,将PU膜与聚四乙烯基微孔膜贴合后热压粘合,然后将离型纸去除得到预制贴合膜;
步骤3,将面料表面涂覆四氢呋喃,然后将预制贴合膜胶复贴合成型,得到纳米羽绒服布料。
7.根据权利要求6所述的纳米羽绒服布料,其特征在于:所述步骤2中的热压粘合的温度为200-230℃,所述预制贴合膜的厚度为5-12μm。
8.根据权利要求6所述的纳米羽绒服布料,其特征在于:所述步骤3中的四氢呋喃的涂覆量是0.1-0.4mL/cm2,胶复的温度为100-130℃。
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