CN109457316A - 一种能够长效保持消毒剂的中空纳米纤维的制备方法 - Google Patents

一种能够长效保持消毒剂的中空纳米纤维的制备方法 Download PDF

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CN109457316A
CN109457316A CN201811240213.6A CN201811240213A CN109457316A CN 109457316 A CN109457316 A CN 109457316A CN 201811240213 A CN201811240213 A CN 201811240213A CN 109457316 A CN109457316 A CN 109457316A
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常国庆
陈磊
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Abstract

本发明公开了一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤:将1g的聚己内酯溶解在9g氯仿溶剂中,然后加入0.1g的光触媒,经过搅拌静置处理后得到聚己内酯‑二氧化钛溶胶;将得到的溶胶取出少量放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源后轻压塑料针筒至溶胶流出再进行纺丝处理;将纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用紫外灯照射3天后进行过滤,再置于真空烘箱中干燥处理;将干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材;本发明获得的中空状生物可降解纳米纤维具有储液量大,释放时间长的特点。

Description

一种能够长效保持消毒剂的中空纳米纤维的制备方法
技术领域
本发明涉及一种中空纳米纤维的制备方法,特别是涉及一种能够长效保持消毒剂且生物可降解的中空纳米纤维的制备方法。
背景技术
一般消毒剂具有强挥发性,涂覆在伤口上有效杀菌时间短,无法长时间为伤口进行消毒,需要反复往伤口上涂覆消毒剂,不仅成本高造成浪费,
采用纳米纤维材料是一个有效的提升抗菌消毒时间的手段,常见的制备纳米纤维的方法有静电纺丝法,模板法,水热法,海岛法等技术工艺,但是目前市场上还未有既可以生物降解又能长效保持消毒剂的纳米纤维产生,发明人结合大量的研究工作,提出了一种能够长效保持消毒剂的中空纳米纤维的制备方法,得到的中空纳米纤维还可生物降解。
发明内容
本发明的目的是针对现有技术存在的不足,提供一种基于光辐射且生物可降解且能够长效保持消毒剂的中空纳米纤维的制备方法。
为实现上述目的,本发明提供了一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤S1、制备聚己内酯-二氧化钛溶胶,将0.5-2g的聚己内酯溶解在8-10g氯仿溶剂中,然后加入0.05-0.15g的光触媒,经过搅拌静置处理后得到聚己内酯-二氧化钛溶胶;S2、静电纺丝,将步骤S1中得到的聚己内酯-二氧化钛溶胶取出10毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理;S3、紫外光辐射造孔,将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用紫外灯照射1-5天后进行过滤,再置于真空烘箱中进行干燥处理;S4、浸渍消毒液,将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材。
作为上述方案的进一步改进,所述步骤S4得到的多孔纳米纤维基材在室温下消毒剂缓释速度为5-6小时,其生物降解时间为1-6个月。
作为上述方案的进一步改进,所述步骤S4得到的多孔纳米纤维基材在电子显微电镜下测量其直径为200-800纳米,其纤维中空穴直径小于100纳米。
作为上述方案的进一步改进,所述步骤S1中的光触媒为二氧化钛颗粒。
作为上述方案的进一步改进,所述步骤S2中的电源电压为1.2万伏,纺丝距离为10厘米。
作为上述方案的进一步改进,所述步骤S3中的紫外灯功率为60瓦,辐射距离为10厘米。
作为上述方案的进一步改进,所述步骤S3中的真空烘箱温度控制在90℃。
作为上述方案的进一步改进,所述步骤S1中的搅拌方式采用磁力搅拌,搅拌时间为4-6小时,静置时间为10-14小时。
本发明的有益效果为:这种能够长效保持消毒剂的中空纳米纤维的制备方法采用光解静电混纺生物可降解纤维,具体是先以静电纺丝法纺出混合光催化剂颗粒物的生物降解高分子纤维,再利用紫外光腐蚀降解,在一定的紫外光强度下辐射一定的时间,形成中空状的纳米纤维,将该纳米纤维浸渍在消毒抗菌剂中待应用;本发明操作简单,方便易行,获得的中空状生物可降解纳米纤维具有储液量大,释放时间长的特点。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明的实施例,对本发明实施例的技术方案进行清楚、完整地描述。显然,所描述的实施例是本发明的一部分实施例,而不是全部的实施例。基于所描述的本发明的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本发明保护的范围。
一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤:
S1、制备聚己内酯-二氧化钛溶胶;
将聚己内酯溶解在氯仿溶剂中,然后加入二氧化钛颗粒,经过磁力搅拌,再静置处理后得到含量为10%的聚己内酯-二氧化钛溶胶;
S2、静电纺丝;
将步骤S1中得到的聚己内酯-二氧化钛溶胶取出10毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源,调至12KV后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理,其纺丝距离为10厘米;
S3、紫外光辐射造孔;
将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用功率为60瓦的紫外灯且距离设定为10厘米进行照射后再进行过滤,然后置于真空烘箱中,将温度控制在90℃后进行干燥处理;
S4、浸渍消毒液;
将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材,所述多孔纳米纤维基材在室温下消毒剂缓释速度为5-6小时,其生物降解时间为1-6个月,在电子显微电镜下测量其直径为200-800纳米,其纤维中空穴直径小于100纳米。
实施例1
一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤:
S1、制备聚己内酯-二氧化钛溶胶;
将0.5g聚己内酯溶解在8g氯仿溶剂中,然后加入0.05g的二氧化钛颗粒,经过磁力搅拌4个小时,再静置10小时后得到含量为10%的聚己内酯-二氧化钛溶胶;
S2、静电纺丝;
将步骤S1中得到的聚己内酯-二氧化钛溶胶取出8毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源,调至12KV后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理,其纺丝距离为8厘米;
S3、紫外光辐射造孔;
将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用功率为60瓦的紫外灯且距离设定为8厘米进行照射1天后再进行过滤,然后置于真空烘箱中,将温度控制在90℃后进行干燥处理;
S4、浸渍消毒液;
将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材。
实施例2
一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤:
S1、制备聚己内酯-二氧化钛溶胶;
将1g聚己内酯溶解在9g氯仿溶剂中,然后加入0.1g的二氧化钛颗粒,经过磁力搅拌5个小时,再静置12小时后得到含量为10%的聚己内酯-二氧化钛溶胶;
S2、静电纺丝;
将步骤S1中得到的聚己内酯-二氧化钛溶胶取出10毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源,调至12KV后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理,其纺丝距离为10厘米;
S3、紫外光辐射造孔;
将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用功率为60瓦的紫外灯且距离设定为10厘米进行照射3天后再进行过滤,然后置于真空烘箱中,将温度控制在90℃后进行干燥处理;
S4、浸渍消毒液;
将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材。
实施例3
一种能够长效保持消毒剂的中空纳米纤维的制备方法,包括以下步骤:
S1、制备聚己内酯-二氧化钛溶胶;
将2g聚己内酯溶解在10g氯仿溶剂中,然后加入0.15g的二氧化钛颗粒,经过磁力搅拌6个小时,再静置14小时后得到含量为10%的聚己内酯-二氧化钛溶胶;
S2、静电纺丝;
将步骤S1中得到的聚己内酯-二氧化钛溶胶取出12毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源,调至12KV后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理,其纺丝距离为12厘米;
S3、紫外光辐射造孔;
将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用功率为60瓦的紫外灯且距离设定为12厘米进行照射5天后再进行过滤,然后置于真空烘箱中,将温度控制在90℃后进行干燥处理;
S4、浸渍消毒液;
将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材。
总而言之,根据上述的一种能够长效保持消毒剂的中空纳米纤维的制备方法采用光解静电混纺生物可降解纤维,具体是先以静电纺丝法纺出混合光催化剂颗粒物的生物降解高分子纤维,再利用紫外光腐蚀降解,在一定的紫外光强度下辐射一定的时间,形成中空状的纳米纤维,将该纳米纤维浸渍在消毒抗菌剂中待应用;本发明操作简单,方便易行,获得的中空状生物可降解纳米纤维具有储液量大,释放时间长的特点。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (9)

1.一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:包括以下步骤:
S1、制备聚己内酯-二氧化钛溶胶;
将0.5-2g的聚己内酯溶解在8-10g氯仿溶剂中,然后加入0.05-0.15g的光触媒,经过搅拌静置处理后得到聚己内酯-二氧化钛溶胶;
S2、静电纺丝;
将步骤S1中得到的聚己内酯-二氧化钛溶胶取出10毫升放置在塑料针筒中,所述塑料针筒前端安装金属针头,然后接通高压静电电源,将接地铝箔设为负极,接通电源后轻压塑料针筒至聚己内酯-二氧化钛溶胶流出再进行纺丝处理;
S3、紫外光辐射造孔;
将步骤S2中纺出的纤维磨成碎片置于500毫升的水溶液中,进行搅拌同时使用紫外灯照射后进行过滤,再置于真空烘箱中进行干燥处理;
S4、浸渍消毒液;
将步骤S3中干燥后的纳米纤维置于消毒剂中浸泡得到多孔纳米纤维基材。
2.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S1中的光触媒为二氧化钛颗粒。
3.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S2中的电源电压为1.2万伏,纺丝距离为10厘米。
4.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S3中的紫外灯功率为60瓦,辐射距离为10厘米。
5.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S3中的真空烘箱温度控制在90℃。
6.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S1中的搅拌方式采用磁力搅拌,搅拌时间为4-6小时,静置时间为10-14小时。
7.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S4中的消毒剂为酒精或/和碘伏。
8.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S4得到的多孔纳米纤维基材在室温下消毒剂缓释速度为5-6小时,其生物降解时间为1-6个月。
9.根据权利要求1所述的一种能够长效保持消毒剂的中空纳米纤维的制备方法,其特征在于:所述步骤S4得到的多孔纳米纤维基材在电子显微电镜下测量其直径为200-800纳米,其纤维中空穴直径小于100纳米。
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