CN112574459B - 一种具有防雾抗菌杀毒功能的护目镜及其制备方法 - Google Patents
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Abstract
本发明属于高分子材料领域,涉及一种具有防雾抗菌杀毒功能的护目镜及其制备方法。该制备方法具体为:将护目镜基材依次在去离子水和无水乙醇中超声清洗以使其表面洁净,50~70℃烘干后浸泡在植酸溶液中1~5min,取出后浸泡在硝酸银溶液中1~5min,并重复此动作1~5次,然后用去离子水洗掉护目镜基材表面没有反应的化学物质,烘干,得到亲水性护目镜基材,然后在亲水性护目镜基材单侧表面喷涂长链烷基硫醇溶液后烘干,得到一面亲水一面疏水的具有防雾抗菌杀毒功能的护目镜。该护目镜具有防雾、防血溅、杀毒抗菌等优点,可保持使用中视觉清晰,同时具有抗菌杀毒功能。
Description
技术领域
本发明属于高分子材料领域,涉及一种具有防雾抗菌杀毒功能的护目镜及其制备方法。
背景技术
医务人员经常接触血液和体液的操作,如注射、釆血、输血、手术、内镜、透析以及病人各类标本的 采集、传递、检验等,医务人员成为不可忽视的病源性职业暴露高危群体,面临着职业暴露感染的极大风 险。为了防止医患之间交叉感染,各类医用防护品的开发和使用应值得关注。医用防护品是指医务人员医 生、护士、公共卫生人员、清洁人员等及进入特定区域的人群如患者、医院探视人员、进入感染区域的人 员等所使用的防护性服装、眼镜、口罩、面屏、手套等。其作用是为了改善治疗区域的卫生环境,防止细 菌穿透引起间接传染和病毒交叉感染,不仅应用于医院,还大量使用于急救站、私人诊所、助残中心、疗 养院及独立实验室等。普通护目镜、防护面屏常因呼吸的水蒸气碰到镜面遇冷放热凝结成小水滴,造成镜 面雾化,以及治疗过程中血液的喷溅,不能满足视觉质量清晰、舒适、持久的要求,对手术的连续性和效 率造成一定的影响。故需要在普通护目镜的基础上提高其效能。
发明内容
有鉴于此,本发明提供了一种具有防雾抗菌杀毒功能的护目镜及其制备方法,该护目镜具有防雾、防 血溅、杀毒抗菌等优点,可保持使用中视觉清晰,同时具有抗菌杀毒功能。
为解决上述问题,本发明提供了一种具有防雾抗菌杀毒功能的护目镜的制备方法,包括以下步骤:
(1)将护目镜基材依次在去离子水和无水乙醇中超声清洗以使其表面洁净,然后50~70℃烘干,所述 护目镜基材为PET或PC;
(2)将步骤(1)处理得到的护目镜基材浸泡在植酸溶液中1~5min,取出后浸泡在硝酸银溶液中 1~5min;
(3)重复步骤(2)1~5次,用去离子水洗掉所述护目镜基材表面没有反应的化学物质,烘干,得到 亲水性护目镜基材;
(4)在所述亲水性护目镜基材单侧表面喷涂长链烷基硫醇溶液后烘干,得到具有防雾抗菌杀毒功能 的护目镜。
进一步的,所述植酸溶液的浓度为0.1~1mol/L。
进一步的,所述硝酸银溶液的浓度为0.1~1mol/L。
进一步的,所述长链烷基硫醇溶液的溶剂为乙醇,所述长链烷基硫醇溶液中,长链烷基硫醇与乙醇的 体积比为(1~5):100。
本发明还提供了上述的制备方法制备得到的护目镜,所述护目镜的内侧表面为疏水面,外侧表面为亲 水面。
与现有技术相比,本发明具有以下有益效果:
(1)发明利用植酸(PA)的金属螯合效应实现PA-Ag的自组装制备超亲水表面。在超亲水表面基础 上,以长链烷基硫醇(HS)为疏水剂,通过简单的单侧喷涂工艺,结合电荷吸附效应制备PA-Ag-HS超疏 水表面。将超亲水表面作为外侧,将超疏水表面作为内侧,制备得到的护目镜内侧面可以防止呼吸出的气 体凝结在表面形成雾面,外侧面的超亲水表面使血浆中的水在表面形成分散的水膜,血脂及血红蛋白难以 接触防护镜。同时护目镜表面富含的纳米银颗粒可与蛋白酶结合,产生物理、化学反应,分解蛋白酶,使 细菌失去活性,从根本上消灭有害菌。本发明制备方法制备得到的护目镜具有耐用性、无毒性、防雾、防 血溅、杀毒抗菌等优点,满足视觉清晰、舒适、持久要求,旨在保证手术的连续性,提高工作效率。最大 限度地避免或减少医务人员病源性职业感染的发生,保证医务人员职业安全。
(2)本项目所涉及的化学试剂均为常见产业化产品,无毒无害。其中主要试剂植酸来源于豆类植物, 含量丰富,价格低廉。本发明制备方法不需要加热,无需复杂反应仪器,工序简单,绿色环保,更易于产 业化生产。
具体实施方式
下面将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。
实施例1
(1)将PET膜依次在去离子水和无水乙醇中超声清洗并在60℃的烘箱中烘干,去除表面灰尘,油迹 使其表面洁净。
(2)分别在烧杯中配置植酸(PA)溶液、硝酸银溶液和十二烷基硫醇溶液,其中PA溶液的浓度为 0.1mol/L,硝酸银溶液的浓度为0.1mol/L,十二烷基硫醇溶液中溶质与乙醇的体积比范围为2/100。
具体制备程序如下:将(1)中处理后的PET膜浸泡在PA溶液中1min,取出来浸泡在硝酸银溶液中 1min,如此重复5次,最后用去离子水洗掉没有反应的化学物质,烘干得到亲水性PET。在亲水性PET 单侧表面喷涂十二烷基硫醇溶液后烘干,得到样品1。
实施例2
(1)将PET膜依次在去离子水和无水乙醇中超声清洗并在60℃的烘箱中烘干,去除表面灰尘,油迹 使其表面洁净。
(2)分别在烧杯中配置PA溶液、硝酸银溶液和十四烷基硫醇溶液,其中PA溶液的浓度为1mol/L, 硝酸银溶液的浓度为1mol/L,十四烷基硫醇溶液中溶质与乙醇的体积比范围为1/100。
具体制备程序如下:将(1)中处理后的PET膜浸泡在PA溶液中1min,取出来浸泡在硝酸银溶液中 1min,如此重复2次,最后用去离子水洗掉没有反应的化学物质,烘干得到亲水性PET。在亲水性PET 单侧表面喷涂十四烷基硫醇溶液后烘干,得到样品2。
实施例3
(1)将PET膜依次在去离子水和无水乙醇中超声清洗并在60℃的烘箱中烘干,去除表面灰尘,油迹 使其表面洁净。
(2)分别在烧杯中配置PA溶液、硝酸银溶液和十六烷基硫醇溶液,其中PA溶液的浓度为0.5mol/L, 硝酸银溶液的浓度为0.1mol/L,十六烷基硫醇溶液中溶质与乙醇的体积比范围为3/100。
具体制备程序如下:将(1)中处理后的PET膜浸泡在PA溶液中1min,取出来浸泡在硝酸银溶液中 1min,如此重复5次,最后用去离子水洗掉没有反应的化学物质,烘干得到亲水性PET。在亲水性PET 单侧表面喷涂十六烷基硫醇溶液后烘干,得到样品3。
实施例4
(1)将PC膜依次在去离子水和无水乙醇中超声清洗并在60℃的烘箱中烘干,去除表面灰尘,油迹 使其表面洁净。
(2)分别在烧杯中配置PA溶液、硝酸银溶液和十八烷基硫醇溶液,其中PA溶液的浓度为0.1mol/L, 硝酸银溶液的浓度为0.5mol/L,十八烷基硫醇溶液中溶质与乙醇的体积比范围为1/100。
具体制备程序如下:将(1)中处理后的PET膜浸泡在PA溶液中1min,取出来浸泡在硝酸银溶液中 1min,如此重复5次,最后用去离子水洗掉没有反应的化学物质,烘干得到亲水性PET。在亲水性PET 单侧表面喷涂十八烷基硫醇溶液后烘干,得到样品4。
实施例5
(1)将PC膜依次在去离子水和无水乙醇中超声清洗并在60℃的烘箱中烘干,去除表面灰尘,油迹 使其表面洁净。
(2)分别在烧杯中配置PA溶液、硝酸银溶液和十二烷基硫醇溶液,其中PA溶液的浓度为0.5mol/L, 硝酸银溶液的浓度为0.5mol/L,十二烷基硫醇溶液中溶质与乙醇的体积比范围为5/100。
具体制备程序如下:将(1)中处理后的PET膜浸泡在PA溶液中1min,取出来浸泡在硝酸银溶液中 1min,如此重复5次,最后用去离子水洗掉没有反应的化学物质,烘干得到亲水性PET。在亲水性PET 单侧表面喷涂十二烷基硫醇溶液后烘干,得到样品5。
最后对各个实施例得到的样品、未改性PC和未改性PET的两面分别进行接触角的测量,结果如表1 所示:
表1实施例1~5样品、未改性PC膜、未改性PET膜亲水面和疏水面的接触角情况
样品 | 外侧水接触角(°) | 内侧水接触角(°) |
1 | 35 | 152 |
2 | 43 | 145 |
3 | 30 | 157 |
4 | 37 | 151 |
5 | 31 | 153 |
未改性PC | 81 | 81 |
未改性PET | 85 | 85 |
本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明 本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都 落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (5)
1.一种具有防雾抗菌杀毒功能的护目镜的制备方法,其特征在于,包括以下步骤:
(1)将护目镜基材依次在去离子水和无水乙醇中超声清洗以使其表面洁净,然后50~70℃烘干,所述护目镜基材为PET或PC;
(2)将步骤(1)处理得到的护目镜基材浸泡在植酸溶液中1~5min,取出后浸泡在硝酸银溶液中1~5min;
(3)重复步骤(2)1~5次,用去离子水洗掉所述护目镜基材表面没有反应的化学物质,烘干,得到亲水性护目镜基材;
(4)在所述亲水性护目镜基材单侧表面喷涂长链烷基硫醇溶液后烘干,得到具有防雾抗菌杀毒功能的护目镜。
2.根据权利要求1所述的制备方法,其特征在于,所述植酸溶液的浓度为0.1~1mol/L。
3.根据权利要求1所述的制备方法,其特征在于,所述硝酸银溶液的浓度为0.1~1mol/L。
4.根据权利要求1所述的制备方法,其特征在于,所述长链烷基硫醇溶液的溶剂为乙醇,所述长链烷基硫醇溶液中,长链烷基硫醇与乙醇的体积比为(1~5):100,所述长链烷基硫醇为十二烷基硫醇溶液、十四烷基硫醇溶液、十六烷基硫醇溶液和十八烷基硫醇溶液中的一种或几种。
5.权利要求1~4任一项所述的制备方法制备得到的护目镜,所述护目镜的内侧表面为疏水面,外侧表面为亲水面。
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CN112126282A (zh) * | 2020-09-29 | 2020-12-25 | 戴加兵 | 一种基于医用护目镜的抗菌防雾涂层及其制备方法 |
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