CN101187161A - 一种抗菌和抗感染纤维的制备方法 - Google Patents
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Abstract
一种抗菌、抗感染纤维的制备方法,它采用在壳聚糖纤维中通过接枝引入环糊精,并用其包合环丙沙星,制成具有缓释性能的抗菌、抗感染功能纤维产品;本发明可以用于治疗敏感性致病菌引起的皮肤、软组织感染和创伤感染等,杀菌作用强、疗效好、副作用少。
Description
技术领域
本发明涉及的是一种抗菌和抗感染纤维的制备方法,属于纺织纤维材料的制备技术领域。
背景技术
壳聚糖纤维是从海洋生物中提取,是用脱乙酰基的甲壳素溶液纺制而成的一种新型纤维。由于其存在大量活泼的-NH2、-OH,无毒,易降解,因而在生物医药、工业废水处理、重金属离子回收等方面得到了广泛应用。
环糊精(简称CD)是由六个以上吡喃葡萄糖单元以α-1,4型配糖键相连的环状低聚糖化合物,根据葡萄糖单元数(6、7、8)可分为α-、β-、γ-CD等。其最显著的特征是具有一个环外亲水,环内疏水且有一定尺寸的立体手性空腔微环境,可以包络尺寸大小相宜的有机小分子,因此它能同很多有机物形成主客体超分子化合物。
环丙沙星为广谱杀菌剂,通过作用于细菌DNA螺旋酶的A亚单位,抑制DNA的合成和复制而导致细菌死亡。对下列细菌在体外具良好抗菌作用:肠杆菌科的大部分细菌,包括枸椽酸杆菌属、阴沟、产气肠杆菌、大肠埃希菌、克雷伯菌属、变形杆菌属、沙门菌属、志贺菌属、弧菌属、耶尔森菌等;对多重耐药菌也具有抗菌活性;对青霉素耐药的淋病奈瑟菌、产酶流感嗜血杆菌和莫拉菌属均具有高度抗菌活性;对铜绿假单胞菌等假单胞菌属的大多数菌株具抗菌作用;对沙眼衣原体、支原体、军团菌亦具良好作用;对结核杆菌和非典型分枝杆菌也有抗菌活性。
发明内容
本发明的目的在于提供一种采用在壳聚糖纤维中通过接枝引入环糊精、并用其包合环丙沙星,制成具有缓释性能的抗菌和抗感染功能纤维的抗菌、抗感染纤维的制备方法。
本发明所述的方法是:A)将环糊精按重量比为1∶8~10放入二甲基亚砜中溶解;然后按环糊精与邻-碘酰基苯甲酸的摩尔比为1∶1~1.6加入邻-碘酰基苯甲酸,在20~30℃下反应20~28小时,搅拌,滤去不溶物,加入适量丙酮,析出白色固体,过滤,将得到的白色固体用丙酮洗涤干净,经冷冻干燥后,得到环糊精单醛;
B)将壳聚糖纤维按重量比为1∶1~23放入0.1%的碳酸钠溶液中溶胀0.5~5小时;用蒸馏水洗涤至中性,晾干;
C)将溶胀后的壳聚糖纤维按重量比为1∶30~50放入到pH值为5~7的水溶液中,按壳聚糖纤维与环糊精单醛的重量比为1∶0.8~1.4加入环糊精单醛,振荡,在20~30℃下反应1~3小时;
D)将还原剂氰基硼氢化钠按环糊精单醛与氰基硼氢化钠摩尔比为1∶1~3投入反应液中,保持其他反应条件不变,反应6~8天,待反应结束后调节pH至碱性,分别用蒸馏水和丙酮洗涤;
E)将经过上述反应后得到的产物经干燥处理后,按重量比为1∶10~50放入5~50mg/L的环丙沙星溶液中处理2-10小时,将产物捞出经干燥处理,获得抗菌、抗感染功能纤维。
本发明所述的环糊精为β-环糊精。
本制品可以用于治疗敏感性致病菌引起的皮肤、软组织感染和创伤感染等,杀菌作用强、疗效好、副作用少。
同现有技术比较,本发明具有如下突出的优点:1)利用环糊精立体手性疏水空腔对环丙沙星的包合与缓释功能可以可控制药物的释放,进一步发挥其药效、减小副作用;2)可以提高对药物的利用度;3)纤维可以通过编织、裁剪,制成各种形状,使用方便。
具体实施方式
下面将结合实施例对本发明作详细的介绍:
实施例1:A)将β-环糊精按重量比为1∶8放入二甲基亚砜中溶解;然后按环糊精与邻-碘酰基苯甲酸的摩尔比为1∶1加入邻-碘酰基苯甲酸,在20℃下反应20小时,搅拌,滤去不溶物,加入适量丙酮,析出白色固体,过滤,将得到的白色固体用丙酮洗涤干净,经冷冻干燥后,得到环糊精单醛;
B)将壳聚糖纤维按重量比为1∶1放入0.1%的碳酸钠溶液中溶胀0.5小时;用蒸馏水洗涤至中性,晾干;
C)将溶胀后的壳聚糖纤维按重量比为1∶30放入到pH值为5的水溶液中,按壳聚糖纤维与环糊精单醛的重量比为1∶0.8加入环糊精单醛,振荡,在20℃下反应1小时;
D)将还原剂氰基硼氢化钠按环糊精单醛与氰基硼氢化钠摩尔比为1∶1投入反应液中,保持其他反应条件不变,反应6天,待反应结束后调节pH至碱性,分别用蒸馏水和丙酮洗涤;
E)将经过上述反应后得到的产物经干燥处理后,按重量比为1∶10放入5~50mg/L的环丙沙星溶液中处理2-10小时,将产物捞出经干燥处理,获得抗菌、抗感染功能纤维。
实施例2,A)将环糊精按重量比为1∶10放入二甲基亚砜中溶解;然后按环糊精与邻-碘酰基苯甲酸的摩尔比为1∶1.6加入邻-碘酰基苯甲酸,在30℃下反应28小时,搅拌,滤去不溶物,加入适量丙酮,析出白色固体,过滤,将得到的白色固体用丙酮洗涤干净,经冷冻干燥后,得到环糊精单醛;
B)将壳聚糖纤维按重量比为1∶23放入0.1%的碳酸钠溶液中溶胀5小时;用蒸馏水洗涤至中性,晾干;
C)将溶胀后的壳聚糖纤维按重量比为1∶50放入到pH值为7的水溶液中,按壳聚糖纤维与环糊精单醛的重量比为1∶1.4加入环糊精单醛,振荡,在30℃下反应3小时;
D)将还原剂氰基硼氢化钠按环糊精单醛与氰基硼氢化钠摩尔比为1∶3投入反应液中,保持其他反应条件不变,反应8天,待反应结束后调节pH至碱性,分别用蒸馏水和丙酮洗涤;
E)将经过上述反应后得到的产物经干燥处理后,按重量比为1∶50放入50mg/L的环丙沙星溶液中处理2-10小时,将产物捞出经干燥处理,获得抗菌、抗感染功能纤维。
实施例3,A)将环糊精按重量比为1∶8.8放入二甲基亚砜中溶解;然后按环糊精与邻-碘酰基苯甲酸的摩尔比为1∶1.3加入邻-碘酰基苯甲酸,在25℃下反应24小时,搅拌,滤去不溶物,加入适量丙酮,析出白色固体,过滤,将得到的白色固体用丙酮洗涤干净,经冷冻干燥后,得到环糊精单醛;
B)将壳聚糖纤维按重量比为1∶12放入0.1%的碳酸钠溶液中溶胀2小时;用蒸馏水洗涤至中性,晾干;
C)将溶胀后的壳聚糖纤维按重量比为1∶40放入到pH值为6的水溶液中,按壳聚糖纤维与环糊精单醛的重量比为1∶1.1加入环糊精单醛,振荡,在25℃下反应2小时;
D)将还原剂氰基硼氢化钠按环糊精单醛与氰基硼氢化钠摩尔比为1∶2投入反应液中,保持其他反应条件不变,反应7天,待反应结束后调节pH至碱性,分别用蒸馏水和丙酮洗涤;
E)将经过上述反应后得到的产物经干燥处理后,按重量比为1∶30放入30mg/L的环丙沙星溶液中处理2-10小时,将产物捞出经干燥处理,获得抗菌、抗感染功能纤维。
Claims (2)
1.一种抗菌和抗感染纤维的制备方法,该方法是:A)将环糊精按重量比为1∶8~10放入二甲基亚砜中溶解;然后按环糊精与邻-碘酰基苯甲酸的摩尔比为1∶1~1.6加入邻-碘酰基苯甲酸,在20~30℃下反应20~28小时,搅拌,滤去不溶物,加入适量丙酮,析出白色固体,过滤,将得到的白色固体用丙酮洗涤干净,经冷冻干燥后,得到环糊精单醛;
B)将壳聚糖纤维按重量比为1∶1~23放入0.1%的碳酸钠溶液中溶胀0.5~5小时;用蒸馏水洗涤至中性,晾干;
C)将溶胀后的壳聚糖纤维按重量比为1∶30~50放入到pH值为5~7的水溶液中,按壳聚糖纤维与环糊精单醛的重量比为1∶0.8~1.4加入环糊精单醛,振荡,在20~30℃下反应1~3小时;
D)将还原剂氰基硼氢化钠按环糊精单醛与氰基硼氢化钠摩尔比为1∶1~3投入反应液中,保持其他反应条件不变,反应6~8天,待反应结束后调节pH至碱性,分别用蒸馏水和丙酮洗涤;
E)将经过上述反应后得到的产物经干燥处理后,按重量比为1∶10~50放入5~50mg/L的环丙沙星溶液中处理2-10小时,将产物捞出经干燥处理,获得抗菌、抗感染功能纤维。
2.根据权利要求1所述的抗菌和抗感染纤维的制备方法,其特征在于所述的环糊精为β-环糊精。
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Cited By (7)
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CN101953513A (zh) * | 2010-06-02 | 2011-01-26 | 成钢 | 防治脑痴呆的纳米元素负离子远红外织物内衣 |
CN102505470A (zh) * | 2011-10-31 | 2012-06-20 | 中国人民解放军军事医学科学院卫生装备研究所 | 一种抗菌功能纤维的制备方法 |
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CN106087092A (zh) * | 2016-08-17 | 2016-11-09 | 陈土有 | 一种抗菌透气功能纤维的制备方法 |
CN106319954A (zh) * | 2016-08-17 | 2017-01-11 | 陈开泰 | 一种防蛀蚕丝纤维的制备方法 |
CN114351470A (zh) * | 2022-01-28 | 2022-04-15 | 宁波润禾高新材料科技股份有限公司 | 一种抗菌抗病毒聚硅氧烷材料及其制备方法 |
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CN100415981C (zh) * | 2006-09-21 | 2008-09-03 | 浙江理工大学 | 一种抗菌功能性纤维的制备方法 |
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CN101617866B (zh) * | 2009-08-10 | 2010-11-03 | 浙江理工大学 | 一种抗菌保健针织服装制造方法 |
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CN103437247A (zh) * | 2013-08-23 | 2013-12-11 | 华南理工大学 | 一种具有抗菌效果的纸张的制备方法 |
CN103437247B (zh) * | 2013-08-23 | 2016-03-02 | 华南理工大学 | 一种具有抗菌效果的纸张的制备方法 |
CN106087092A (zh) * | 2016-08-17 | 2016-11-09 | 陈土有 | 一种抗菌透气功能纤维的制备方法 |
CN106319954A (zh) * | 2016-08-17 | 2017-01-11 | 陈开泰 | 一种防蛀蚕丝纤维的制备方法 |
CN106087092B (zh) * | 2016-08-17 | 2018-03-16 | 苏州合祥纺织科技有限公司 | 一种抗菌透气功能纤维的制备方法 |
CN106319954B (zh) * | 2016-08-17 | 2018-06-01 | 安徽宜民服饰股份有限公司 | 一种防蛀蚕丝纤维的制备方法 |
CN114351470A (zh) * | 2022-01-28 | 2022-04-15 | 宁波润禾高新材料科技股份有限公司 | 一种抗菌抗病毒聚硅氧烷材料及其制备方法 |
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