CN108867047A - 一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法 - Google Patents
一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法 Download PDFInfo
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Abstract
本发明公开了一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,涉及无纺布制备技术领域,包括以下步骤:将氨纶/锦纶6双组份水刺无纺布基材用丙酮和蒸馏水中超声清洗,然后浸入到氢氧化钠溶液中,取出,晾干,浸入添加有磷酸的甲醛中,反应,得预处理无纺布基材;将预处理无纺布基材浸入2‑巯丙基三乙氧基硅烷的乙酸乙酯溶液中,反应,取出,干燥,加入到含有N,N‑亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子的乙醇中,浸泡,取出,再放入光引发剂溶液中浸泡,取出,紫外辐照,清洗,干燥。本发明制得的氨纶/锦纶6双组份医用水刺无纺擦拭布具有很好的亲水亲油及抗菌性能,从而提升了该医用水刺无纺擦拭布的应用价值。
Description
技术领域
本发明涉及无纺布制备技术领域,尤其涉及一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法。
背景技术
无纺布又称非织造布,是一种不需要纺纱织布而形成的织物,只是将纺织短纤维或者长丝进行定向或随机撑列,形成纤网结构,然后采用机械、热粘或化学等方法加固而成。无纺布广泛用于医疗、卫生等行业,包括擦拭布、手术衣、防护服、消毒包布、口罩、尿片、卫生巾等大都是采用无纺布制成的。
氨纶/锦纶6双组份水刺无纺布具有强力高、透气性好、弹性好及耐磨性好等优异性能,可以用作高档擦拭布。但是由于氨纶和锦纶6的亲水性差,且吸油性能性能也有限,从而限制了其应用。
发明内容
基于背景技术存在的技术问题,本发明提出了一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,制得的无纺擦拭布具有很好的亲水亲油及抗菌性能。
本发明提出的一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,包括以下步骤:
S1、将氨纶/锦纶6双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到氢氧化钠溶液中,取出,晾干,然后浸入添加有磷酸的甲醛中,静置反应,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌,将预处理无纺布基材置于其中,升温反应,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡,取出,再放入光引发剂溶液中浸泡,取出,进行紫外辐照引发交联,清洗,干燥。
优选地,所述氨纶/锦纶6双组份水刺无纺布基材中氨纶纤维和锦纶6纤维的重量百分比为25-35:65-75。
优选地,S1中,浸入到5-8%氢氧化钠溶液中60-90min。
优选地,S1中,甲醛中磷酸的含量为2-5%。
优选地,S1中,将氨纶/锦纶6双组份水刺无纺布基材浸入添加有磷酸的甲醛中,料液比为1:6-10,静置反应1-2h。
优选地,S2中,将2-巯丙基三乙氧基硅烷溶于乙酸乙酯,配制5-10%的2-巯丙基三乙氧基硅烷溶液,搅拌溶解,将预处理无纺布置于其中,料液比为1:40-50,在40-50℃下反应3-5h。
优选地,S3中,巯基化的无纺布基材和反应液的料液比为1:70-80,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为5-8:4-7:0.4-1:100。
优选地,S3中,置于反应液中浸泡1-2h,取出,再放入光引发剂溶液中浸泡20-30min。
优选地,S3中,紫外辐照量为30-40kGy,辐照时间为2-3h。
有益效果:本发明公开了一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,首先将氨纶/锦纶6双组份水刺无纺布采用丙酮和蒸馏水超声去油清洗干净,然后放入氢氧化钠溶液中进行轻微腐蚀,然后浸入添加有磷酸的甲醛中,氨纶和锦纶6纤维与甲醛在酸性条件下发生反应,在酰胺键上接枝生成羟甲基,从而得到表面羟基化的预处理无纺布基材,然后将其置于2-巯丙基三乙氧基硅烷的乙酸乙酯溶液中,2-巯丙基三乙氧基硅烷的一端乙氧基水解生成硅羟基,通过缩合反应和无纺布表面的羟基反应从而接枝到无纺布上,2-巯丙基三乙氧基硅烷另一端的巯基排列在无纺布的表面,得到巯基化的无纺布基材,然后将其置于含有N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子的乙醇中,在光引发剂的作用下,无纺布表面上的巯基形成巯基自由基和亲水剂N,N-亚甲基双丙烯酰胺、亲油剂甲基丙烯酸丁酯中的双键发生共聚反应,从而将其接枝到无纺布表面,得到具有亲水亲油性能的无纺布材料,且反应液中的二氧化钛纳米粒子一方面与巯基作用,一方面被包裹在网络结构中,提高材料的抗菌性;本发明制得的氨纶/锦纶6双组份医用水刺无纺擦拭布具有很好的亲水亲油及抗菌性能,与初始氨纶/锦纶6双组份医用水刺无纺擦拭布相比,其吸水倍率和吸水速率及吸油倍率和吸油速率均明显提高,其吸水率可提高43.2%、吸油率提高65.1%,且与仅添加N,N-亚甲基双丙烯酰胺相比,其吸水率提高了14.5%,从而提生了该医用水刺无纺擦拭布的应用价值。
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
本发明提出的一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,包括以下步骤:
S1、将氨纶(25%)/锦纶6(75%)双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到5%氢氧化钠溶液中60min,取出,晾干,然后浸入添加有2%的磷酸的甲醛中,料液比为1:6,静置反应1h,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌溶解,配制5%的2-巯丙基三乙氧基硅烷溶液,将预处理无纺布基材置于其中,料液比为1:40,在40℃下反应3h,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡1h,料液比为1:70,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为5:4:0.4:100,取出,再放入光引发剂溶液中浸泡20min,取出,进行紫外辐照引发交联,紫外辐照量为30kGy,辐照时间为2h,清洗,干燥。
实施例2
本发明提出的一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,包括以下步骤:
S1、将氨纶(35%)/锦纶6(65%)双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到8%氢氧化钠溶液中90min,取出,晾干,然后浸入添加有5%的磷酸的甲醛中,料液比为1:10,静置反应2h,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌溶解,配制10%的2-巯丙基三乙氧基硅烷溶液,将预处理无纺布基材置于其中,料液比为1:50,在50℃下反应5h,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡2h,料液比为1:80,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为8:7:1:100,取出,再放入光引发剂溶液中浸泡30min,取出,进行紫外辐照引发交联,紫外辐照量为40kGy,辐照时间为3h,清洗,干燥。
实施例3
本发明提出的一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,包括以下步骤:
S1、将氨纶(28%)/锦纶6(72%)双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到6%氢氧化钠溶液中70min,取出,晾干,然后浸入添加有3%的磷酸的甲醛中,料液比为1:7,静置反应1h,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌溶解,配制7%的2-巯丙基三乙氧基硅烷溶液,将预处理无纺布基材置于其中,料液比为1:45,在45℃下反应4h,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡1h,料液比为1:75,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为6:6:0.6:100,取出,再放入光引发剂溶液中浸泡25min,取出,进行紫外辐照引发交联,紫外辐照量为33kGy,辐照时间为2.5h,清洗,干燥。
实施例4
本发明提出的一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,包括以下步骤:
S1、将氨纶(30%)/锦纶6(70%)双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到7%氢氧化钠溶液中80min,取出,晾干,然后浸入添加有4%的磷酸的甲醛中,料液比为1:9,静置反应1.5h,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌溶解,配制8%的2-巯丙基三乙氧基硅烷溶液,将预处理无纺布基材置于其中,料液比为1:48,在50℃下反应4.5h,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡1.5h,料液比为1:72,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为7:6:0.8:100,取出,再放入光引发剂溶液中浸泡20min,取出,进行紫外辐照引发交联,紫外辐照量为37kGy,辐照时间为2.5h,清洗,干燥。
对比例1
与实施例4相比,S3中反应液中不含有甲基丙烯酸丁酯。
对本发明实施例4中初始使用的无纺擦拭布基材,及实施例4和对比例1中经改性制得的无纺擦拭布的亲水亲油性能进行检测。经检测,初始使用的无纺擦拭布基材的吸水率为3.35g/g,吸油率为2.78g/g,与其相比,实施例4中经改性制得的无纺擦拭布的吸水倍率和吸水速率及吸油倍率和吸油速率均明显提高,其吸水率可提高43.2%、吸油率提高65.1%,与对比例1中经添加N,N-亚甲基双丙烯酰胺进行亲水改性制得的无纺擦拭布相比,其吸水率提高了14.5%,从而提升了该医用水刺无纺擦拭布的应用价值。
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 (9)
1.一种氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,包括以下步骤:
S1、将氨纶/锦纶6双组份水刺无纺布基材依次放入丙酮和蒸馏水中超声清洗,然后浸入到氢氧化钠溶液中,取出,晾干,然后浸入添加有磷酸的甲醛中,静置反应,得预处理无纺布基材;
S2、将2-巯丙基三乙氧基硅烷溶于乙酸乙酯中,搅拌,将预处理无纺布基材置于其中,升温反应,取出,清洗,干燥,得巯基化的无纺布基材;
S3、将N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯和二氧化钛纳米粒子加入到乙醇中,超声分散,得反应液,将巯基化的无纺布基材置于反应液中浸泡,取出,再放入光引发剂溶液中浸泡,取出,进行紫外辐照引发交联,清洗,干燥。
2.根据权利要求1所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,所述氨纶/锦纶6双组份水刺无纺布基材中氨纶纤维和锦纶6纤维的重量百分比为25-35:65-75。
3.根据权利要求1或2所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S1中,浸入到5-8%氢氧化钠溶液中60-90min。
4.根据权利要求1-3任一所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S1中,甲醛中磷酸的含量为2-5%。
5.根据权利要求1-4任一项所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S1中,将氨纶/锦纶6双组份水刺无纺布基材浸入添加有磷酸的甲醛中,料液比为1:6-10,静置反应1-2h。
6.根据权利要求1-5任一项所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S2中,将2-巯丙基三乙氧基硅烷溶于乙酸乙酯,配制5-10%的2-巯丙基三乙氧基硅烷溶液,搅拌溶解,将预处理无纺布置于其中,料液比为1:40-50,在40-50℃下反应3-5h。
7.根据权利要求1-6任一项所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S3中,巯基化的无纺布基材和反应液的料液比为1:70-80,其中,N,N-亚甲基双丙烯酰胺、甲基丙烯酸丁酯、二氧化钛纳米粒子和巯基化的无纺布基材重量比为5-8:4-7:0.4-1:100。
8.根据权利要求1-7任一项所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S3中,置于反应液中浸泡1-2h,取出,再放入光引发剂溶液中浸泡20-30min。
9.根据权利要求1-8任一项所述的氨纶/锦纶6双组份医用水刺无纺擦拭布的制备方法,其特征在于,S3中,紫外辐照量为30-40kGy,辐照时间为2-3h。
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