CN104877268A - 一种环保抑菌医用薄膜的制备方法 - Google Patents

一种环保抑菌医用薄膜的制备方法 Download PDF

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CN104877268A
CN104877268A CN201510262718.2A CN201510262718A CN104877268A CN 104877268 A CN104877268 A CN 104877268A CN 201510262718 A CN201510262718 A CN 201510262718A CN 104877268 A CN104877268 A CN 104877268A
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李苏杨
李文遐
徐勤霞
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Suzhou Bec Biological Technology Co Ltd
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Abstract

本发明公开了一种环保抑菌医用薄膜的制备方法，其制法为（1）按重量份称取各组分；（2）将各组分投入到反应釜中，在氮气气氛中加热不断搅拌，反应2-3h，得到预成品；（3）将步骤（2）制得的预成品送入双螺杆挤出机，双螺杆挤出样条经水冷、风干、切粒，得到母粒；（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。通过本发明的方法制备的薄膜材料安全环保，具有良好的耐溶剂性和耐热性，最高耐热温度可高达160℃；本发明薄膜材料具有良好的力学性能，本发明制备方法简单易行，适于大范围推广应用。

Description

一种环保抑菌医用薄膜的制备方法
技术领域
本发明属于医用新材料领域，涉及一种环保抑菌医用薄膜的制备方法。
技术背景
薄膜一般用聚氯乙烯、聚乙烯、聚丙烯、聚苯乙烯以及其他树脂制成，用于包装或用作覆膜层。而医用级薄膜的首要性能要求具有良好的人体组织相容性和血液相容性，良好的任性、耐溶剂性、耐水解性、无毒性，良好的耐磨损等优异性能。但作为医用材料，细菌粘附和感染成了主要问题，急需要涉及一种抗菌能力强的聚氨酯改进材料。 壳聚糖是一种分子中含有-NH2的阳离子刚性大分子，由甲壳素脱乙酰化制备，其所成膜具有很好的力学性能。壳聚糖广谱抑菌，不仅抑制革兰氏阳性和革兰氏阴性细菌,还包括酵母和霉菌。同时，由于壳聚糖具有良好的生物相容性、低毒性、生物降解性和可食用性，它在生物医用材料、食品等行业得到了广泛的应用。而目前现有的医用薄膜对药品的保藏效果较差，且不具有抑菌性。综上所述，解决现有技术存在的不足已成为本领域亟待解决的技术问题。
发明内容
本发明的目的在于针对现有技术的不足，提供一种环保抑菌医用薄膜的制备方法。
本发明的目的是通过以下技术方案实现的：一种环保抑菌医用薄膜的制备方法，其制备方法包括以下步骤： （1）按重量份称取各组分：PVC40-50份、马来酸辛基锡3-6份、硫醇甲基锡2-5份、椰子油酸单乙醇酰胺4-7份、过氧化二异丙苯3-7份、增塑剂2-6份、淀粉2-6份、二氧化钛2-8份、异丙醇0.5-0.8份、壳聚糖4-14份、抗菌剂3-15份和环氧大豆油1-4份；
（2）将各组分投入到反应釜中，在氮气气氛中加热至75-80℃，在110-130r/min的转速下不断搅拌，反应2-3h，得到预成品；
（3）将步骤（2）制得的预成品送入双螺杆挤出机，挤出温度210-215℃，螺杆转速36-54Hz，双螺杆挤出样条经水冷、风干、切粒，得到母粒；
（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。
所述的淀粉为玉米淀粉或甘薯淀粉。
所述的增塑剂为甘油、山梨醇、甘露糖或聚乙二醇。
所述壳聚糖的分子量为10000-8000，脱乙酰度≥90%，羧化度≥85%。
所述抗菌剂为纳米银无机抗菌剂、纳米氧化锌或磷酸二氢铵。
    本发明具有以下有益效果：通过本发明的方法制备的薄膜材料具有较高的力学性能提高了聚乳酸的机械性能，使其弹性模量、拉伸强度、断裂伸长率和透光率均有所提高，应用领域更广。其产品透光率85-95%，杨氏模量50-70MPa；纵向拉伸强度28-31MPa，横向拉伸强度19-23MPa，纵向伸长率720-760%，横向伸长率700-740%；纵向撕裂强度100-130N/mm，横向撕裂强度150-170N/mm，同时其配方合理，工艺简单，性能稳定，具有良好的弹性、低温柔韧性和透气性，成本低。
具体实施方式
实施例1
一种环保抑菌医用薄膜的制备方法，其制备方法包括以下步骤： （1）按重量份称取各组分：PVC40份、马来酸辛基锡3份、硫醇甲基锡2份、椰子油酸单乙醇酰胺4份、过氧化二异丙苯3份、增塑剂2份、淀粉2份、二氧化钛2份、异丙醇0.5份、壳聚糖4份、抗菌剂3份和环氧大豆油1份；
（2）将各组分投入到反应釜中，在氮气气氛中加热至75-80℃，在110-130r/min的转速下不断搅拌，反应2-3h，得到预成品；
（3）将步骤（2）制得的预成品送入双螺杆挤出机，挤出温度210-215℃，螺杆转速36-54Hz，双螺杆挤出样条经水冷、风干、切粒，得到母粒；
（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。
所述的淀粉为玉米淀粉或甘薯淀粉。
所述的增塑剂为甘油、山梨醇、甘露糖或聚乙二醇。
所述壳聚糖的分子量为10000-8000，脱乙酰度≥90%，羧化度≥85%。
所述抗菌剂为纳米银无机抗菌剂、纳米氧化锌或磷酸二氢铵。
实施例2
一种环保抑菌医用薄膜的制备方法，其制备方法包括以下步骤： （1）按重量份称取各组分：PVC45份、马来酸辛基锡4份、硫醇甲基锡3份、椰子油酸单乙醇酰胺6份、过氧化二异丙苯5份、增塑剂4份、淀粉4份、二氧化钛5份、异丙醇0.6份、壳聚糖8份、抗菌剂7份和环氧大豆油2份；
（2）将各组分投入到反应釜中，在氮气气氛中加热至75-80℃，在110-130r/min的转速下不断搅拌，反应2-3h，得到预成品；
（3）将步骤（2）制得的预成品送入双螺杆挤出机，挤出温度210-215℃，螺杆转速36-54Hz，双螺杆挤出样条经水冷、风干、切粒，得到母粒；
（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。
所述的淀粉为玉米淀粉或甘薯淀粉。
所述的增塑剂为甘油、山梨醇、甘露糖或聚乙二醇。
所述壳聚糖的分子量为10000-8000，脱乙酰度≥90%，羧化度≥85%。
所述抗菌剂为纳米银无机抗菌剂、纳米氧化锌或磷酸二氢铵。
实施例3
一种环保抑菌医用薄膜的制备方法，其制备方法包括以下步骤： （1）按重量份称取各组分：PVC50份、马来酸辛基锡6份、硫醇甲基锡5份、椰子油酸单乙醇酰胺7份、过氧化二异丙苯7份、增塑剂6份、淀粉6份、二氧化钛8份、异丙醇0.8份、壳聚糖14份、抗菌剂15份和环氧大豆油4份；
（2）将各组分投入到反应釜中，在氮气气氛中加热至75-80℃，在110-130r/min的转速下不断搅拌，反应2-3h，得到预成品；
（3）将步骤（2）制得的预成品送入双螺杆挤出机，挤出温度210-215℃，螺杆转速36-54Hz，双螺杆挤出样条经水冷、风干、切粒，得到母粒；
（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。
所述的淀粉为玉米淀粉或甘薯淀粉。
所述的增塑剂为甘油、山梨醇、甘露糖或聚乙二醇。
所述壳聚糖的分子量为10000-8000，脱乙酰度≥90%，羧化度≥85%。
所述抗菌剂为纳米银无机抗菌剂、纳米氧化锌或磷酸二氢铵。
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明，任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案 的范围内。

Claims (5)

1.一种环保抑菌医用薄膜的制备方法，其特征在于，其制备方法包括以下步骤：
（1）按重量份称取各组分：PVC40-50份、马来酸辛基锡3-6份、硫醇甲基锡2-5份、椰子油酸单乙醇酰胺4-7份、过氧化二异丙苯3-7份、增塑剂2-6份、淀粉2-6份、二氧化钛2-8份、异丙醇0.5-0.8份、壳聚糖4-14份、抗菌剂3-15份和环氧大豆油1-4份；
（2）将各组分投入到反应釜中，在氮气气氛中加热至75-80℃，在110-130r/min的转速下不断搅拌，反应2-3h，得到预成品；
（3）将步骤（2）制得的预成品送入双螺杆挤出机，挤出温度210-215℃，螺杆转速36-54Hz，双螺杆挤出样条经水冷、风干、切粒，得到母粒；
（4）将步骤（3）所得母粒于塑料吹膜机挤出吹膜，得到环保抑菌医用薄膜。
2.根据权利要求1所述的一种环保抑菌医用薄膜的制备方法，其特征在于，所述的淀粉为玉米淀粉或甘薯淀粉。
3.根据权利要求1所述的一种环保抑菌医用薄膜的制备方法，其特征在于，所述的增塑剂为甘油、山梨醇、甘露糖或聚乙二醇。
4.根据权利要求1所述的一种环保抑菌医用薄膜的制备方法，其特征在于，所述壳聚糖的分子量为10000-8000，脱乙酰度≥90%，羧化度≥85%。
5.根据权利要求1所述的一种环保抑菌医用薄膜的制备方法，其特征在于，所述抗菌剂为纳米银无机抗菌剂、纳米氧化锌或磷酸二氢铵。
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CN105295254A (zh) * 2015-11-23 2016-02-03 青岛友诚高新技术有限公司 一种医用薄膜材料及其制备方法
CN105566813A (zh) * 2016-03-14 2016-05-11 宁波江东索雷斯电子科技有限公司 一种抗菌防电磁辐射复合薄膜的制备方法
CN106117904A (zh) * 2016-07-28 2016-11-16 陈林美 一种高强度抗菌聚氯乙烯薄膜配方
CN106117867A (zh) * 2016-06-27 2016-11-16 苏州市鼎立包装有限公司 一种抑菌保鲜食品包装材料及其制备方法
CN107619556A (zh) * 2017-10-20 2018-01-23 天津市宝德包装有限公司 一种高强度抗老化塑料薄膜配方
CN107791535A (zh) * 2017-10-20 2018-03-13 福建恒安卫生材料有限公司 生物降解薄膜制备方法
CN109082036A (zh) * 2018-08-15 2018-12-25 方金婷 一种复合抑菌塑料薄膜的制备方法及其应用
CN110551349A (zh) * 2019-09-03 2019-12-10 湖南博隽生物医药有限公司 一种具有血液稳定功能的输血袋用材料及其制备方法

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CN105295254A (zh) * 2015-11-23 2016-02-03 青岛友诚高新技术有限公司 一种医用薄膜材料及其制备方法
CN105566813A (zh) * 2016-03-14 2016-05-11 宁波江东索雷斯电子科技有限公司 一种抗菌防电磁辐射复合薄膜的制备方法
CN106117867A (zh) * 2016-06-27 2016-11-16 苏州市鼎立包装有限公司 一种抑菌保鲜食品包装材料及其制备方法
CN106117904A (zh) * 2016-07-28 2016-11-16 陈林美 一种高强度抗菌聚氯乙烯薄膜配方
CN107619556A (zh) * 2017-10-20 2018-01-23 天津市宝德包装有限公司 一种高强度抗老化塑料薄膜配方
CN107791535A (zh) * 2017-10-20 2018-03-13 福建恒安卫生材料有限公司 生物降解薄膜制备方法
CN107791535B (zh) * 2017-10-20 2019-09-10 福建恒安卫生材料有限公司 生物降解薄膜制备方法
CN110643153A (zh) * 2017-10-20 2020-01-03 福建恒安卫生材料有限公司 纳米银抗菌生物降解薄膜的制备方法
CN110643153B (zh) * 2017-10-20 2022-02-15 福建恒安卫生材料有限公司 纳米银抗菌生物降解薄膜的制备方法
CN109082036A (zh) * 2018-08-15 2018-12-25 方金婷 一种复合抑菌塑料薄膜的制备方法及其应用
CN110551349A (zh) * 2019-09-03 2019-12-10 湖南博隽生物医药有限公司 一种具有血液稳定功能的输血袋用材料及其制备方法

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