CN104473365B - 一种功能性医用面料及其制备方法 - Google Patents
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Abstract
本发明涉及一种功能性医用面料,由内层、外层以及设置于内层与外层之间的基层组成,所述内层和外层均由经线和纬线交织而成,所述内层的经线为涤棉混纺织物材料而纬线为涤纶/合金导电纱混纺纱,所述外层的经线为含锌甲壳胺纤维而纬线为Imbue纤维,所述基层为具有多孔结构的有机硅/聚乙烯醇/氧化石墨烯复合膜。本发明中的功能性医用面料具有优良的抗菌抑菌、抗静电及抗辐射功效,且吸湿排汗效果好,穿着舒适,制备工艺简单,其中通过三层复合手段制得的面料不仅能保证面料内外层的紧密结合,且透气性良好,尺寸稳定、耐洗涤,还能避免因常规的浸轧工艺影响面料的手感和光泽。
Description
技术领域
本发明涉及纺织面料领域,尤其涉及一种功能性医用面料及其制备方法。
背景技术
医用制服是针对医护人员设计的一类特殊的服装,与其他的职业服不同,它面对的是特殊的群体和特定的操作环境,因此有特殊的功能设计要求。目前随着科技的发展,出现了许多具有新功能的医用面料,如申请号为201110382386.3(申请公布号为CN103126148A)中国发明专利《一种抗菌医用面料》公开了一种医用面料,该面料由表层和里层面料组成,所述的表层为防水抗菌薄膜层,所述的里层为织物面料层,所述的表层和里层之间涂覆粘胶实现紧密贴合;该面料能够拒水、体液、血液等液体,同时也能有效防止病菌的侵入,对医务工作者起到良好的保护作用。又如,申请号为201310357613.6(申请公布号为CN103431550A)的中国发明专利《一种医用面料》公开了一种医用面料,该医用面料由云母冰凉纤维、纯壳聚糖纤维和长效蓄光纤维混纺而成的织物,所述云母冰凉纤维是由云母矿石为原料,所述云母冰凉纤维占面料主体重量的84%~95%,所述纯壳聚糖纤维占面料主体重量的2%~10%,所述长效蓄光纤维占面料主体重量的2%~9%,该面料具有良好的抑菌、吸湿防湿快、吸附异味及重金属元素等特点。
上述专利中的医用面料虽然均具有一定的特殊功用,如:抗菌、防液体、吸湿、吸味等,但医护人员的工作环境较复杂,例如:辐射、静电以及感染性较强的细菌、病毒等,因此急需对现有的医用面料进行改进,从而进一步提高医护人员的工作舒适度和安全保障。
发明内容
本发明所要解决的技术问题是针对现有技术而提供一种具有多种功能且功用性较强的功能性医用面料,该功能性医用面料除具有较强的抗菌抑菌性外,还具有抗辐射和防静电效果,穿着舒适。
本发明所要解决的另一个技术问题是提供一种上述功能性医用面料的制备方法。
本发明解决第一个技术问题所采用的技术方案为:一种功能性医用面料,由内层、外层以及设置于内层与外层之间的基层组成,所述内层和外层均由经线和纬线交织而成,其特征在于:所述内层的经线为涤棉混纺织物材料而纬线为涤纶/合金导电纱混纺纱,所述外层的经线为含锌甲壳胺纤维而纬线为Imbue纤维,所述基层为具有多孔结构的有机硅/聚乙烯醇/氧化石墨烯复合膜。
其中有机硅/聚乙烯醇/氧化石墨烯复合膜,具有以下优点:不仅具有良好的透气性,其多孔结构内在的高比表面积还有利于吸收肌肤代谢产生的汗液和蒸汽等水分;氧化石墨烯结构中的极性基团,如羟基、羧基、羰基等含氧官能团使得氧化石墨烯易和水分子形成氢键,赋予了基层一些新的特性,如亲水性和生物相容性,从而使得贴合肌肤层变得更加舒适;此外,氧化石墨烯本身还具有较好的抑菌功能,能杀死微生物,增强了复合面料的抗菌性能,而经聚乙烯醇改性后的氧化石墨烯膜具有较高的粘性,与外层和内层可直接通过压力进行复合,而不会影响面料的透气性能和稳定性;有机硅还能降低复合膜的表面张力,使复合后的面料具备更柔软的质感。
作为优选,所述外层的厚度为0.2~0.3mm,基层的厚度为0.05~0.1mm,内层的厚度为0.1~0.3mm。
作为优选,所述内层的经线为涤棉混纺45S,纬线为全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱。
进一步,所述内层由经线和纬线采用一上一下平纹组织而成,并且经线的密度为500根/10cm,纬线密度为280根/10cm。
进一步,所述外层由经线和纬线采用一上一下平纹组织而成,并且经线的密度为530根/10cm,纬线密度为380根/10cm。
解决上述第二个技术问题所采用的技术方案为:上述功能性医用面料的制备方法包括以下步骤:(1)所述内层和外层分别由相应的经线和纬线采用一上一下平纹组织而成;
(2)所述基层通过静电纺丝法制成;
(3)将所述外层、基层和内层按顺序排列,然后进行10~15min的加压加热处理而形成复合面料,其中压力为4~6kg/cm·cm,加热温度为50~60℃;
(4)将步骤(3)制得的复合材料放入烘箱进行烘焙制得所述功能性医用面料,烘焙温度为40~50℃,烘焙时间为2~2.5h。
其中,上述步骤(2)中的静电纺丝具体过程如下:将有机硅溶于DMF中,所述有机硅与DMF的质量比为1:9~10;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL和聚乙烯醇,超声处理0.5~1h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:9~10:40:300~310,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应24~48h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:室温下,纺丝电压为10~15KV,流速为0.5~2ml/h,纺丝接收距离为9~12cm,相对湿度为35~45%。
与现有技术相比,本发明的优点在于:
(1)本发明中的功能性医用面料中内层材料吸湿排汗效果佳,贴合肌肤,穿着舒适,同时具备良好的抗菌抑菌、抗静电作用;
(2)本发明的基层选用有机硅/聚乙烯醇/氧化石墨烯复合膜,氧化石墨烯本身具有出色的吸附能力,能有效吸收肌肤代谢产生的汗液和蒸汽等水分,其结构中特有的含氧官能团使其具备了更好的柔顺性、透气性和生物相容性,经聚乙烯醇改性后的氧化石墨烯膜具有较高的粘性,与外层和内层可直接通过压力进行复合,而不会影响面料的透气性能和稳定性,有机硅还能降低复合膜的表面张力,使复合后的面料具备更柔软的质感,使得本发明中的基层在结构上与内层和外层整合,在功能上使得内层与外层的紧密衔接;
(3)本发明中的外层具有显著地抗菌和抗辐射功效,不仅能有效地抑制皮肤表面的细菌滋生并阻断外界环境中的细菌,同时还能保护医护人员远离辐射的危害。
总之,本发明中的功能性医用面料具有优良的抗菌抑菌、抗静电及抗辐射功效,且吸湿排汗效果好,穿着舒适,制备工艺简单,其中通过三层复合手段制得的面料不仅能保证面料内外层的紧密结合,且透气性良好,尺寸稳定、耐洗涤,还能避免因常规的浸轧工艺影响面料的手感和光泽。
具体实施方式
以下结合实施例对本发明作进一步详细描述,下列实施例中使用的含锌甲壳胺纤维购于宁波三同编织有限公司,lmbue纤维购于美国Kosa公司,涤棉混纺45S购于杭州本辉纺织品有限公司,十字截面涤纶75D低弹丝购于宁波高鹏纺织品有限公司,合金导电纱选用银/铜/锌导电纤维。
实施例1:
功能性医用面料由内层、外层以及设置于内层与外层之间的基层组成,其中外层具有抗菌抗辐射功效,内层具有防静电、抗菌抑菌、吸湿排汗、亲肤等特点;基层为有机硅/聚乙烯醇/氧化石墨烯复合膜,在保证复合面料的透气性的前提下实现水分的有效吸附和抑菌的效果,使贴合肌肤层(即内层)更加舒适,达到复合面料的功能化最优化。
本实施例中外层的厚度为0.2mm,基层的厚度为0.05mm,内层的厚度为0.1mm。内层和外层均由经线和纬线采用一上一下平纹组织而成,其中内层的经线选用涤棉混纺45S,密度为500根/10cm,纬线选用全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱,密度为280根/10cm;外层的经线选用含锌甲壳胺纤维,密度为530根/10cm,纬线选用Imbue纤维,密度为380根/10cm。
上述有机硅/聚乙烯醇/氧化石墨烯复合膜通过静电纺丝法制得,具体过程如下:将有机硅溶于DMF(二甲基甲酰胺)中,所述有机硅与DMF的质量比为1:9;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL[1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐]和聚乙烯醇,超声处理0.5h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:9:40:300,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应24h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:纺丝温度为室温,纺丝电压为10KV,流速为0.5ml/h,纺丝接收距离为9cm,相对湿度为35%。
上述外层、基层以及内层依次复合而形成功能性医用面料,具体过程如下:按外层、基层、内层的顺序排列,然后进行10min的加压加热处理而形成复合面料,其中压力为4kg/cm·cm,加热温度为50℃,然后将制得的复合面料放入烘箱进行烘焙制得所述功能性医用面料,其中烘焙温度为40℃,烘焙时间为2h。
实施例2:
功能性医用面料由内层、外层以及设置于内层与外层之间的基层组成,其中外层具有抗菌抗辐射功效,内层具有防静电、抗菌抑菌、吸湿排汗、亲肤等特点;基层为有机硅/聚乙烯醇/氧化石墨烯复合膜,在保证复合面料的透气性的前提下实现水分的有效吸附和抑菌的效果,使贴合肌肤层(即内层)更加舒适,达到复合面料的功能化最优化。
本实施例中外层的厚度为0.25mm,基层的厚度为0.075mm,内层的厚度为0.15mm。内层和外层均有经线和纬线采用一上一下平纹组织而成,其中内层的经线选用涤棉混纺45S,密度为500根/10cm,纬线选用全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱,密度为280根/10cm;外层的经线选用含锌甲壳胺纤维,密度为530根/10cm,纬线选用Imbue纤维,密度为380根/10cm。
上述有机硅/聚乙烯醇/氧化石墨烯复合膜通过静电纺丝法制得,具体过程如下:将有机硅溶于DMF中,所述有机硅与DMF的质量比为1:10;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL和聚乙烯醇,超声处理1h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:10:40:310,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应36h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:纺丝温度为室温,纺丝电压为12KV,流速为1.25ml/h,纺丝接收距离为11cm,相对湿度为40%。
上述外层、基层以及内层依次复合而形成功能性医用面料,具体过程如下:按外层、基层、内层的顺序排列,然后进行10min的加压加热处理而形成复合面料,其中压力为5kg/cm·cm,加热温度为55℃,然后将制得的复合面料放入烘箱进行烘焙制得所述功能性医用面料,其中烘焙温度为45℃,烘焙时间为2.2h。
实施例3:
功能性医用面料由内层、外层以及设置于内层与外层之间的基层组成,其中外层具有抗菌抗辐射功效,内层具有防静电、抗菌抑菌、吸湿排汗、亲肤等特点;基层为有机硅/聚乙烯醇/氧化石墨烯复合膜,在保证复合面料的透气性的前提下实现水分的有效吸附和抑菌的效果,使贴合肌肤层(即内层)更加舒适,达到复合面料的功能化最优化。
本实施例中外层的厚度为0.3mm,基层的厚度为0.1mm,内层的厚度为0.3mm。内层和外层均有经线和纬线采用一上一下平纹组织而成,其中内层的经线选用涤棉混纺45S,密度为500根/10cm,纬线选用全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱,密度为280根/10cm;外层的经线选用含锌甲壳胺纤维,密度为530根/10cm,纬线选用Imbue纤维,密度为380根/10cm。
上述有机硅/聚乙烯醇/氧化石墨烯复合膜通过静电纺丝法制得,具体过程如下:将有机硅溶于DMF中,所述有机硅与DMF的质量比为1:9.5;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL和聚乙烯醇,超声处理0.75h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:9.5:40:305,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应48h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:纺丝温度为室温,纺丝电压为15KV,流速为2ml/h,纺丝接收距离为12cm,相对湿度为45%。
上述外层、基层以及内层依次复合而形成功能性医用面料,具体过程如下:按外层、基层、内层的顺序排列,然后进行10min的加压加热处理而形成复合面料,其中压力为6kg/cm·cm,加热温度为60℃,然后将制得的复合面料放入烘箱进行烘焙制得所述功能性医用面料,其中烘焙温度为50℃,烘焙时间为2.5h。
实施例4:
功能性医用面料由内层、外层以及设置于内层与外层之间的基层组成,其中外层具有抗菌抗辐射功效,内层具有防静电、抗菌抑菌、吸湿排汗、亲肤等特点;基层为有机硅/聚乙烯醇/氧化石墨烯复合膜,在保证复合面料的透气性的前提下实现水分的有效吸附和抑菌的效果,使贴合肌肤层(即内层)更加舒适,达到复合面料的功能化最优化。
本实施例中外层的厚度为0.27mm,基层的厚度为0.1mm,内层的厚度为0.25mm。内层和外层均有经线和纬线采用一上一下平纹组织而成,其中内层的经线选用涤棉混纺45S,密度为500根/10cm,纬线选用全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱,密度为280根/10cm;外层的经线选用含锌甲壳胺纤维,密度为530根/10cm,纬线选用Imbue纤维,密度为380根/10cm。
上述有机硅/聚乙烯醇/氧化石墨烯复合膜通过静电纺丝法制得,具体过程如下:将有机硅溶于DMF中,所述有机硅与DMF的质量比为1:9;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL和聚乙烯醇,超声处理0.5h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:9:40:310,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应24h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:纺丝温度为室温,纺丝电压为10KV,流速为2ml/h,纺丝接收距离为12cm,相对湿度为45%。
上述外层、基层以及内层依次复合而形成功能性医用面料,具体过程如下:按外层、基层、内层的顺序排列,然后进行10min的加压加热处理而形成复合面料,其中压力为6kg/cm·cm,加热温度为60℃,然后将制得的复合面料放入烘箱进行烘焙制得所述功能性医用面料,其中烘焙温度为50℃,烘焙时间为2h。
实施例5:
对实施例1~4中制得的功能性医用面料性能进行测试,包括防辐射、抗静电、抗菌、吸湿等性能。经测试,该面料的抗菌性能达到FZ/T73023-2006《抗菌针织品》标准;吸湿性能优良,水分蒸发率达90%以上;防辐射性能根据GB/T22583-2009标准测试,电磁辐射屏蔽效果达60DB以上;抗静电性能根据GB/T12703-1991标准测定,摩擦电荷密度小于3μC/m2,具体性能测试结果见表1。
表1功能性医用面料性能测试结果
Claims (6)
1.一种功能性医用面料,由内层、外层以及设置于内层与外层之间的基层组成,所述内层和外层均由经线和纬线交织而成,其特征在于:所述内层的经线为涤棉混纺织物材料而纬线为涤纶/合金导电纱混纺纱,所述外层的经线为含锌甲壳胺纤维而纬线为Imbue纤维,所述基层为具有多孔结构的有机硅/聚乙烯醇/氧化石墨烯复合膜,所述外层的厚度为0.2~0.3mm,基层的厚度为0.05~0.1mm,内层的厚度为0.1~0.3mm。
2.如权利要求1所述的功能性医用面料,其特征在于:所述内层的经线为涤棉混纺45S,纬线为全消光涤纶50D全拉伸丝/十字截面涤纶75D低弹丝/合金导电纱混纺纱。
3.如权利要求1或2所述的功能性医用面料,其特征在于:所述内层由经线和纬线采用一上一下平纹组织而成,并且经线的密度为500根/10cm,纬线密度为280根/10cm。
4.如权利要求1所述的功能性医用面料,其特征在于:所述外层由经线和纬线采用一上一下平纹组织而成,并且经线的密度为530根/10cm,纬线密度为380根/10cm。
5.一种如权利要求1~4中任一权利要求所述的功能性医用面料的制备方法,其特征在于包括以下步骤:
(1)所述内层和外层分别由相应的经线和纬线采用一上一下平纹组织而成;
(2)所述基层通过静电纺丝法制成;
(3)将所述外层、基层和内层按顺序排列,然后进行10~15min的加压加热处理而形成复合面料,其中压力为4~6kg/cm·cm,加热温度为50~60℃;
(4)将步骤(3)制得的复合面料放入烘箱进行烘焙制得所述功能性医用面料,烘焙温度为40~50℃,烘焙时间为2~2.5h。
6.如权利要求5所述的制备方法,其特征在于:所述步骤(2)中的静电纺丝法具体过程如下:将有机硅溶于DMF中,所述有机硅与DMF的质量比为1:9~10;随后加入适量去离子水,再加入氧化石墨烯、EDC·HCL和聚乙烯醇,超声处理0.5~1h,再加入适量EDC·HCL,有机硅、氧化石墨烯、EDC·HCL以及聚乙烯醇的质量比为1:9~10:40:300~310,其中EDC·HCL分两次加入,第一次加入的EDC·HCL量为第二次加入的EDC·HCL量的3倍,在磁力搅拌体系下反应24~48h后,通过静电纺丝制得有机硅/聚乙烯醇/氧化石墨烯复合膜,其中静电纺丝条件为:室温下,纺丝电压为10~15KV,流速为0.5~2ml/h,纺丝接收距离为9~12cm,相对湿度为35~45%。
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