CN108893977A - 一种杀菌吸水手术洞巾无纺布 - Google Patents
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Abstract
本发明公开了一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温,保温震荡,烘干,置于水中浸泡,烘干得到改性壳聚糖无纺布。本发明抗菌性强,抗菌时间长,不会产生耐药性,吸水吸血性好,机械性能好,且可生物降解,不无污染环境。
Description
技术领域
本发明涉及无纺布技术领域,尤其涉及一种杀菌吸水手术洞巾无纺布。
背景技术
无纺布又称不织布,是由定向的或随机的纤维而构成,无纺布没有经纬线,剪裁和缝纫都非常方便。其生产工艺简单可以大大降低生产成本、缩短生产周期。无纺布在农业、制鞋、制革、床垫、装饰、服装、化工、印刷、汽车、建材家具、医疗卫生用品等行业均有应用。
目前,聚丙烯无纺布常用来制备手术洞巾,但是其吸水性能较弱,自生不具有抗菌性能,不易降解,容易污染环境;而手术洞巾除了要求具有无菌性能,还要具有一定的吸收血液的性能,且由于手术洞巾为一次性用品,使用后被丢亲容易造成环境污染,因此为解决上述问题需要提供新的手术洞巾。
发明内容
基于背景技术存在的技术问题,本发明提出了一种杀菌吸水手术洞巾无纺布,本发明抗菌性强,抗菌时间长,不会产生耐药性,吸水吸血性好,机械性能好,且可生物降解,不无污染环境。
本发明提出的一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温,保温震荡,烘干,置于水中浸泡,烘干得到改性壳聚糖无纺布。
优选地,在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温至40-45℃,保温震荡2-3h,烘干,置于水中浸泡12-15h,烘干得到改性壳聚糖无纺布。
优选地,在改性壳聚糖无纺布的制备过程中,湿法纺丝的凝固浴为浓度为0.3-0.35g/ml硫酸钠乙醇水溶液,其中,乙醇和水的体积比为10:1-1.3。
优选地,在改性壳聚糖无纺布的制备过程中,烘干温度为60-70℃。
优选地,在改性壳聚糖无纺布的制备过程中,壳聚糖的乙酸水溶液的质量分数为1-1.5wt%,聚乙烯醇的乙酸水溶液的质量分数为6-8wt%,乙酸水溶液中乙酸和水的体积比为1-5:100。
优选地,在改性壳聚糖无纺布的制备过程中,聚乙烯吡咯烷酮碘水溶液的质量分数为8-10wt%。
优选地,在改性壳聚糖无纺布的制备过程中,戊二醛溶液的质量分数为1-3wt%,溶剂为甲醇和乙酸的混合液,甲醇和乙酸的体积比为1:1-2。
优选地,在改性壳聚糖无纺布的制备过程中,壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的重量比为8-9:1-2:0.3-0.5。
优选地,金银花、连翘、大青叶和蒲公英的重量比为10-15:8-10:8-10:10-15。
优选地,中药水提液处理的方法为:将改性壳聚糖无纺布浸入中药水提液中,震荡12-24h,水洗,晾干,杀菌得到杀菌吸水手术洞巾无纺布。
上述水均为去离子水。
不规定中药水提液、戊二醛溶液、水的用量,能完全浸泡无纺布即可。
水刺的常规工艺流程为:纤维计量-开松混合-梳理成网-纤网正反面水刺缠结-烘燥-卷取。
本发明将壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的溶液混匀,经湿法纺丝得到三种物质均匀混合的纤维,经水刺得到中间布料,在壳聚糖无纺布中均匀引入了聚乙烯醇和聚乙烯吡咯烷酮碘,大大增加壳聚糖无纺布的抗菌性,改善壳聚糖无纺布的水溶性,使得本发明具有较少的吸水、吸血性能;再经戊二醛交联使得均匀分散的聚乙烯醇交联形成复杂网络结构,使得壳聚糖、聚乙烯吡咯烷酮碘与聚乙烯醇紧密交错,不容易脱落、分丝,增加本发明的抗菌持久性、均匀吸水性和机械性能;壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘以合适比例相互配合可以进一步增加的本发明机械性能、抗菌性和吸水性;湿法纺丝过程中选用合适的凝固浴,增加纤维的机械性能,从而增加本发明的机械性能;金银花、连翘、大青叶和蒲公英相互配合,可以增加本发明的抗菌谱和抗菌强度,并与聚乙烯吡咯烷酮碘相互配合,进一步增加本发明的抗菌性,且不易产生耐药性;壳聚糖、聚乙烯醇可生物降解不会无污染环境。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温,保温震荡,烘干,置于水中浸泡,烘干得到改性壳聚糖无纺布。
实施例2
一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温至43℃,保温震荡2.5h,烘干,置于水中浸泡13.5h,烘干得到改性壳聚糖无纺布。
实施例3
一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将质量分数为1wt%壳聚糖的乙酸水溶液、质量分数为8wt%聚乙烯醇的乙酸水溶液、质量分数为8wt%聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料,其中,乙酸水溶液中乙酸和水的体积比为1:20,湿法纺丝的凝固浴为浓度为0.3g/ml硫酸钠乙醇水溶液,其中,乙醇和水的体积比为10:1.3;将中间布料清洗,升温至60℃烘干后浸入质量分数为3wt%戊二醛溶液中,升温至40℃,保温震荡3h,升温至60℃,烘干,置于水中浸泡15h,烘干得到改性壳聚糖无纺布,其中,戊二醛溶液的溶剂为甲醇和乙酸的混合液,甲醇和乙酸的体积比为1:1,壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的重量比为9:1:0.5。
实施例4
一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将质量分数为1.5wt%壳聚糖的乙酸水溶液、质量分数为6wt%聚乙烯醇的乙酸水溶液、质量分数为10wt%聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料,其中,乙酸水溶液中乙酸和水的体积比为1:100,湿法纺丝的凝固浴为浓度为0.35g/ml硫酸钠乙醇水溶液,其中,乙醇和水的体积比为10:1;将中间布料清洗,升温至70℃烘干后浸入质量分数为1wt%戊二醛溶液中,升温至45℃,保温震荡2h,升温至70℃,烘干,置于水中浸泡12h,烘干得到改性壳聚糖无纺布,其中,戊二醛溶液的溶剂为甲醇和乙酸的混合液,甲醇和乙酸的体积比为1:2,壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的重量比为8:2:0.3;
金银花、连翘、大青叶和蒲公英的重量比为15:8:10:10;
中药水提液处理的方法为:将改性壳聚糖无纺布浸入中药水提液中,震荡24h,水洗,晾干,杀菌得到杀菌吸水手术洞巾无纺布。
实施例5
一种杀菌吸水手术洞巾无纺布,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将质量分数为1.3wt%壳聚糖的乙酸水溶液、质量分数为7wt%聚乙烯醇的乙酸水溶液、质量分数为9wt%聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料,其中,乙酸水溶液中乙酸和水的体积比为3:100,湿法纺丝的凝固浴为浓度为0.33g/ml硫酸钠乙醇水溶液,其中,乙醇和水的体积比为10:1.2;将中间布料清洗,升温至65℃烘干后浸入质量分数为2wt%戊二醛溶液中,升温至42℃,保温震荡2.8h,升温至65℃,烘干,置于水中浸泡13h,烘干得到改性壳聚糖无纺布,其中,戊二醛溶液的溶剂为甲醇和乙酸的混合液,甲醇和乙酸的体积比为1:1.5,壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的重量比为8.5:1.5:0.4;
金银花、连翘、大青叶和蒲公英的重量比为12:9:9:13;
中药水提液处理的方法为:将改性壳聚糖无纺布浸入中药水提液中,震荡18h,水洗,晾干,杀菌得到杀菌吸水手术洞巾无纺布。
试验例1
取实施例5裁剪成面积形状相同的2块布料,一块浸入大肠杆菌的培养液中37℃培养24h;另一块经10次水洗,干燥后浸入大肠杆菌的培养液中37℃培养24h;统计2块布料表面的细菌量和存活状态,并以面积形状相同的普通壳聚糖无纺布为对照,结果如下:
分组 | 菌落数cells/cm2 | 存活状态 |
培养液 | 2.3×107 | 活细菌 |
普通壳聚糖无纺布 | 1.9×107 | 活细菌 |
未水洗实施例5 | 0.012×107 | 已死亡 |
水洗实施例5 | 0.014×107 | 已死亡 |
由上表可以看出,本发明杀菌性强;经多次水洗后,其杀菌性仍较强,可长效杀菌。
试验例2
将实施例5分别置于不同细菌的培养皿中,培养8h,观察有无抑菌圈产生,并以相同面积形状的普通壳聚糖无纺布为对照,结果如下:
细菌种类 | 普通壳聚糖无纺布 | 实施例5 |
金黄色葡萄球菌 | 无抑菌圈 | 有抑菌圈 |
大肠杆菌 | 无抑菌圈 | 有抑菌圈 |
白喉杆菌 | 无抑菌圈 | 有抑菌圈 |
肺炎双球菌 | 无抑菌圈 | 有抑菌圈 |
流感病毒 | 无抑菌圈 | 有抑菌圈 |
溶血性链球菌 | 无抑菌圈 | 有抑菌圈 |
痢疾杆菌 | 无抑菌圈 | 有抑菌圈 |
由上表可以看出本发明的抗菌谱广。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种杀菌吸水手术洞巾无纺布,其特征在于,所述水手术洞巾无纺布是经中药水提液处理后的改性壳聚糖无纺布;其中,中药水提液的中药原料为金银花、连翘、大青叶和蒲公英;
在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温,保温震荡,烘干,置于水中浸泡,烘干得到改性壳聚糖无纺布。
2.根据权利要求1所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,将壳聚糖的乙酸水溶液、聚乙烯醇的乙酸水溶液、聚乙烯吡咯烷酮碘水溶液混匀,经湿法纺丝,水刺得到中间布料;将中间布料清洗、烘干后浸入戊二醛溶液中,升温至40-45℃,保温震荡2-3h,烘干,置于水中浸泡12-15h,烘干得到改性壳聚糖无纺布。
3.根据权利要求2所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,湿法纺丝的凝固浴为浓度为0.3-0.35g/ml硫酸钠乙醇水溶液,其中,乙醇和水的体积比为10:1-1.3。
4.根据权利要求2或3所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,烘干温度为60-70℃。
5.根据权利要求2-4任一项所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,壳聚糖的乙酸水溶液的质量分数为1-1.5wt%,聚乙烯醇的乙酸水溶液的质量分数为6-8wt%,乙酸水溶液中乙酸和水的体积比为1-5:100。
6.根据权利要求2-5任一项所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,聚乙烯吡咯烷酮碘水溶液的质量分数为8-10wt%。
7.根据权利要求2-6任一项所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,戊二醛溶液的质量分数为1-3wt%,溶剂为甲醇和乙酸的混合液,甲醇和乙酸的体积比为1:1-2。
8.根据权利要求2-7任一项所述杀菌吸水手术洞巾无纺布,其特征在于,在改性壳聚糖无纺布的制备过程中,壳聚糖、聚乙烯醇、聚乙烯吡咯烷酮碘的重量比为8-9:1-2:0.3-0.5。
9.根据权利要求1-8任一项所述杀菌吸水手术洞巾无纺布,其特征在于,金银花、连翘、大青叶和蒲公英的重量比为10-15:8-10:8-10:10-15。
10.根据权利要求1-9任一项所述杀菌吸水手术洞巾无纺布,其特征在于,中药水提液处理的方法为:将改性壳聚糖无纺布浸入中药水提液中,震荡12-24h,水洗,晾干,杀菌得到杀菌吸水手术洞巾无纺布。
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CN112064206A (zh) * | 2020-09-15 | 2020-12-11 | 中科纺织研究院(青岛)有限公司 | 一种金银花、连翘pp纺粘无纺布 |
CN112481810A (zh) * | 2020-11-23 | 2021-03-12 | 舒城娃娃乐儿童用品有限公司 | 一种无胶软绵的制备方法 |
CN112878045A (zh) * | 2020-08-11 | 2021-06-01 | 西安力邦医药科技有限责任公司 | 一种可透气的含有碘复合物亲水性抗菌抗病毒医用布 |
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CN112878045A (zh) * | 2020-08-11 | 2021-06-01 | 西安力邦医药科技有限责任公司 | 一种可透气的含有碘复合物亲水性抗菌抗病毒医用布 |
CN112064206A (zh) * | 2020-09-15 | 2020-12-11 | 中科纺织研究院(青岛)有限公司 | 一种金银花、连翘pp纺粘无纺布 |
CN112064206B (zh) * | 2020-09-15 | 2021-07-27 | 中科纺织研究院(青岛)有限公司 | 一种金银花、连翘pp纺粘无纺布 |
CN112481810A (zh) * | 2020-11-23 | 2021-03-12 | 舒城娃娃乐儿童用品有限公司 | 一种无胶软绵的制备方法 |
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