CN112761027A - 环保医用涂胶纸 - Google Patents

环保医用涂胶纸 Download PDF

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CN112761027A
CN112761027A CN202011627976.3A CN202011627976A CN112761027A CN 112761027 A CN112761027 A CN 112761027A CN 202011627976 A CN202011627976 A CN 202011627976A CN 112761027 A CN112761027 A CN 112761027A
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方忠于
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Anhui Hemeirui Medical Packaging Material Co ltd
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Abstract

本发明涉及医疗用品技术领域，公开了环保医用涂胶纸，包括透析纸和涂胶层，透析纸由以下组分组成：70～75份针叶木浆、20～25份阔叶木浆、1～1.5份聚酰胺环氧氯丙烷树脂湿强剂、0.5～1份聚丙烯酰胺干强剂、0.5～0.8份抑菌剂和1～1.5份硫酸铝。本发明由透析纸和涂胶层组成，其中透析纸由针叶木浆、阔叶木浆、聚酰胺环氧氯丙烷树脂湿强剂、聚丙烯酰胺干强剂、抑菌剂和硫酸铝组成，涂胶层由聚苯醚、烷基烯酮二聚体、聚乙烯醇、戊二醛、甘油和单硬脂酸甘油酯组成，从而使其具有显著优越的纵横向抗张性能、纵横向撕裂性能以及较好的透气性，且不易发生撕裂，安全性好，同时具有较高的拉伸强度。

Description

环保医用涂胶纸
技术领域
本发明涉及医疗用品技术领域，具体是环保医用涂胶纸。
背景技术
医用涂胶纸较无纺布而言具有价格低廉、使用方便等特点，其可以与PE、PP等膜材料进行热封合或胶封合，常作为医疗包装行业医疗器械的灭菌包装材料，因此要求医用涂胶纸具备一定的透气性，同时具有较小的孔径，从而阻隔细菌和尘埃，。
中国专利公开了医用涂胶纸及其制备方法(公告号CN107287981A)，该专利技术通过将EVA树脂倒入加热箱中，再依次加入甲苯和增强剂，混匀后加热25-35分钟，倒入涂布机胶槽涂布上胶，即得医用涂胶纸产品，其在剥离时不产生拉丝，没有胶粒残渣现象，避免污染医疗辅料和手术器械，但是其横向抗张性能、纵横向撕裂性能以及透气性不佳，且容易发生撕裂，安全性不高。
发明内容
本发明的目的在于提供环保医用涂胶纸，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：
环保医用涂胶纸，包括透析纸和涂胶层，所述透析纸由以下组分组成：70～75份针叶木浆、20～25份阔叶木浆、1～1.5份聚酰胺环氧氯丙烷树脂湿强剂、0.5～1份聚丙烯酰胺干强剂、0.5～0.8份抑菌剂和1～1.5份硫酸铝，且透析纸的制备工艺包括以下步骤：
S11、使用浓度为60％的硫酸盐分别对针叶木浆和阔叶木浆进行漂白，且要求针叶木浆和阔叶木浆的打浆度为(50±1)℃SR，湿重9～10g；
S12、取70～75份S11步骤中漂白的针叶木浆和20～25份S11步骤中漂白的阔叶木浆混合后，在高频疏解机中进行疏解，疏解的速度3000转/min，疏解10min；
S13、向S12步骤中的混合浆液中加入1～1.5份的聚酰胺环氧氯丙烷树脂湿强剂，搅拌5min，再加入0.5～1份的聚丙烯酰胺干强剂，继续搅拌5min，再加入0.5～0.8份抑菌剂，继续搅拌5min，再加入1～1.5份的硫酸铝，继续搅拌5min，加水稀释至10％，混合成均匀的浆料；
S14、量取一定体积的浆料抄造手抄片，纸张成型后揭下，在400kPa压力下挤压3min，在93℃下抽真空5min，干燥后制得透析纸；。
作为本发明进一步的方案：所述涂胶层由以下组分组成：1～2份聚苯醚、0.5～1份烷基烯酮二聚体、40～45份聚乙烯醇、0.6～0.8份戊二醛、10～12份甘油和2～3份单硬脂酸甘油酯。
作为本发明再进一步的方案：所述涂胶层的制备工艺包括以下步骤：
S21、将1～2份聚苯醚加入浓度为15％的NaOH溶液中，并调整溶液PH值为8，再加入0.5～1份烷基烯酮二聚体，搅拌30min后制得混合液A备用；
S22、取40～45份聚乙烯醇加入到S21步骤中的混合溶液A中，并在(92±3)℃水浴加热，并不断搅拌，然后再加入10～15份改性淀粉，并搅拌均匀，使其分子间发生交联反应,制得混合液B备用；
S23、再依次向S22步骤得到的混合液B中加入0.6～0.8份戊二醛、10～12份甘油、2～3份单硬脂酸甘油酯，继续搅拌15min，使其充分反应，并检测其PH值，然后，根据PH值加入适量的氯化铵，以中和未反应的戊二醛，便可制得涂胶液，将涂胶液喷涂在透析纸上，烘干后，即可得到涂胶层。
作为本发明再进一步的方案：所述抑菌剂由以下组分组成：6～9份络蛋白、2～3份木瓜蛋白酶、1.5～2份戊二醛、18～20份乙基纤维素和20～25份丝瓜络纤维素。
作为本发明再进一步的方案：所述抑菌剂的制备工艺包括以下步骤：
S31、将磷酸缓冲溶液的PH值调配到(7.8±0.2)备用，将络蛋白和木瓜蛋白酶按照2:8的比例混合，取8～12份络蛋白和木瓜蛋白酶混合物加入到200份磷酸缓冲溶液中，并搅拌均匀；
S32、再向S31步骤中的溶液里加入1.5～2份戊二醛，并搅拌，接着分别加入18～20份乙基纤维素和20～25份丝瓜络纤维素，使其充分融合；
S33、在室温下对S32步骤中得到的进行凝固胶化，再用蒸馏水和乙醇进行冲洗，烘干后，研磨成粉，即得到抑菌剂。
作为本发明再进一步的方案：所述改性淀粉由以下组分组成：250～280份玉米淀粉、12～15份NaCl和28～30份环氧氯丙烷。
作为本发明再进一步的方案：所述改性淀粉的制备工艺包括以下步骤：
S41、将250～280份玉米淀粉稀释成浓度为40％的玉米淀粉乳液，再加入12～15份NaCl，并进行搅拌，再加入一定量的NaOH溶液，使其PH值调节到(10±0.5)，混合溶液C备用；
S42、再向S41步骤中的混合溶液C内加入28～30份环氧氯丙烷，在35℃下反应3h，得到混合淀粉液D备用；
S43、再向S42步骤中得到的混合淀粉液D中加入浓度为2％的HCl调节PH值为(6.5±0.3)，再依次经过水和乙醇洗涤后，烘干，即可得到改性淀粉。
与现有技术相比，本发明的有益效果：
本发明由透析纸和涂胶层组成，其中透析纸由针叶木浆、阔叶木浆、聚酰胺环氧氯丙烷树脂湿强剂、聚丙烯酰胺干强剂、抑菌剂和硫酸铝组成，涂胶层由聚苯醚、烷基烯酮二聚体、聚乙烯醇、戊二醛、甘油和单硬脂酸甘油酯组成，从而使其具有显著优越的纵横向抗张性能、纵横向撕裂性能以及较好的透气性，且不易发生撕裂，安全性好，同时具有较高的拉伸强度。
具体实施方式
本发明实施例中，环保医用涂胶纸，包括透析纸和涂胶层，透析纸由以下组分组成：70～75份针叶木浆、20～25份阔叶木浆、1～1.5份聚酰胺环氧氯丙烷树脂湿强剂、0.5～1份聚丙烯酰胺干强剂、0.5～0.8份抑菌剂和1～1.5份硫酸铝，透析纸的制备工艺包括以下步骤：
S11、使用浓度为60％的硫酸盐分别对针叶木浆和阔叶木浆进行漂白，要求针叶木浆和阔叶木浆的打浆度为(50±1)℃SR，湿重9～10g；
S12、取70～75份S11步骤中漂白的针叶木浆和20～25份S11步骤中漂白的阔叶木浆混合后，在高频疏解机中进行疏解，疏解的速度3000转/min，疏解10min；
S13、向S12步骤中的混合浆液中加入1～1.5份的聚酰胺环氧氯丙烷树脂湿强剂，搅拌5min，再加入0.5～1份的聚丙烯酰胺干强剂，继续搅拌5min，再加入0.5～0.8份抑菌剂，继续搅拌5min，再加入1～1.5份的硫酸铝，继续搅拌5min，加水稀释至10％，混合成均匀的浆料；
S14、量取一定体积的浆料抄造手抄片，纸张成型后揭下，在400kPa压力下挤压3min，在93℃下抽真空5min，干燥后制得透析纸；。
优先的，涂胶层由以下组分组成：1～2份聚苯醚、0.5～1份烷基烯酮二聚体、40～45份聚乙烯醇、0.6～0.8份戊二醛、10～12份甘油和2～3份单硬脂酸甘油酯。
优先的，涂胶层的制备工艺包括以下步骤：
S21、将1～2份聚苯醚加入浓度为15％的NaOH溶液中，并调整溶液PH值为8，再加入0.5～1份烷基烯酮二聚体，搅拌30min后制得混合液A备用；
S22、取40～45份聚乙烯醇加入到S21步骤中的混合溶液A中，并在(92±3)℃水浴加热，并不断搅拌，然后再加入10～15份改性淀粉，并搅拌均匀，使其分子间发生交联反应,制得混合液B备用；
S23、再依次向S22步骤得到的混合液B中加入0.6～0.8份戊二醛、10～12份甘油、2～3份单硬脂酸甘油酯，继续搅拌15min，使其充分反应，并检测其PH值，然后，根据PH值加入适量的氯化铵，以中和未反应的戊二醛，便可制得涂胶液，将涂胶液喷涂在透析纸上，烘干后，即可得到涂胶层。
优先的，抑菌剂由以下组分组成：6～9份络蛋白、2～3份木瓜蛋白酶、1.5～2份戊二醛、18～20份乙基纤维素和20～25份丝瓜络纤维素。
优先的，抑菌剂的制备工艺包括以下步骤：
S31、将磷酸缓冲溶液的PH值调配到(7.8±0.2)备用，将络蛋白和木瓜蛋白酶按照2:8的比例混合，取8～12份络蛋白和木瓜蛋白酶混合物加入到200份磷酸缓冲溶液中，并搅拌均匀；
S32、再向S31步骤中的溶液里加入1.5～2份戊二醛，并搅拌，接着分别加入18～20份乙基纤维素和20～25份丝瓜络纤维素，使其充分融合；
S33、在室温下对S32步骤中得到的进行凝固胶化，再用蒸馏水和乙醇进行冲洗，烘干后，研磨成粉，即得到抑菌剂。
优先的，改性淀粉由以下组分组成：250～280份玉米淀粉、12～15份NaCl和28～30份环氧氯丙烷。
优先的，改性淀粉的制备工艺包括以下步骤：
S41、将250～280份玉米淀粉稀释成浓度为40％的玉米淀粉乳液，再加入12～15份NaCl，并进行搅拌，再加入一定量的NaOH溶液，使其PH值调节到(10±0.5)，混合溶液C备用；
S42、再向S41步骤中的混合溶液C内加入28～30份环氧氯丙烷，在35℃下反应3h，得到混合淀粉液D备用；
S43、再向S42步骤中得到的混合淀粉液D中加入浓度为2％的HCl调节PH值为(6.5±0.3)，再依次经过水和乙醇洗涤后，烘干，即可得到改性淀粉。
为了更好地说明本发明的技术效果，通过下述试验进行阐述：
把本发明工艺制得的涂胶纸作为实施例，在市场上随机选择三款医用涂胶纸作为对比例一、对比例二和对比例三；
一、对实施例、对比例一、对比例二和对比例三的涂胶纸进行横向抗张指数(单位：kN/m)、纵向抗张指数(单位：kN/m)、横向撕裂度指数(单位：mN)、纵向撕裂度指数(单位：mN)、最大孔径(单位：μm)和透气度(单位：3.4μm/Pa﹒s)的试验，实验结果见下表1；
表1、实施例、对比例一、对比例二和对比例三的实验结果
Figure BDA0002875390320000061
从表1分析可以得出：实施例中涂胶纸的横向抗张指数、纵向抗张指数、横向撕裂度指数、纵向撕裂度指数和透气度均显著优于对比例一、对比例二和对比例三的各项指标，从而可以得出：实施例中涂胶纸具有显著的纵横向抗张性能、纵横向撕裂性能以及较好的透气性，且实施例中涂胶纸的最大孔径现在小于对比例一、对比例二和对比例三的最大孔径，从而可以得出：实施例中涂胶纸的孔径较小，液体不易发生渗漏，安全性较好。
二、对实施例、对比例一、对比例二和对比例三中涂胶纸的涂胶层进行黏度(单位：mPa﹒s)、拉伸强度(单位：MPa)和断裂伸长率的试验，实验结果见下表2；
表2、实施例、对比例一、对比例二和对比例三的实验结果
Figure BDA0002875390320000071
从表2分析可以得出：实施例中涂胶纸的涂胶层的黏度显著大于对比例一、对比例二和对比例三中涂胶纸的涂胶层的黏度，从而可以得出：实施例中涂胶纸的涂胶层的黏度大，不易发生撕裂，安全性好，且实施例中涂胶纸的涂胶层拉伸强度和断裂伸长率均大于对比例一、对比例二和对比例三中涂胶纸的涂胶层的指标，从而可以得出：实施例中涂胶纸的涂胶层具有拉伸强度高，不易发生断裂。
以上所述的，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 (7)

1.环保医用涂胶纸，包括透析纸和涂胶层，其特征在于，所述透析纸由以下组分组成：70～75份针叶木浆、20～25份阔叶木浆、1～1.5份聚酰胺环氧氯丙烷树脂湿强剂、0.5～1份聚丙烯酰胺干强剂、0.5～0.8份抑菌剂和1～1.5份硫酸铝，且透析纸的制备工艺包括以下步骤：
S11、使用浓度为60％的硫酸盐分别对针叶木浆和阔叶木浆进行漂白，且要求针叶木浆和阔叶木浆的打浆度为(50±1)℃SR，湿重9～10g；
S12、取70～75份S11步骤中漂白的针叶木浆和20～25份S11步骤中漂白的阔叶木浆混合后，在高频疏解机中进行疏解，疏解的速度3000转/min，疏解10min；
S13、向S12步骤中的混合浆液中加入1～1.5份的聚酰胺环氧氯丙烷树脂湿强剂，搅拌5min，再加入0.5～1份的聚丙烯酰胺干强剂，继续搅拌5min，再加入0.5～0.8份抑菌剂，继续搅拌5min，再加入1～1.5份的硫酸铝，继续搅拌5min，加水稀释至10％，混合成均匀的浆料；
S14、量取一定体积的浆料抄造手抄片，纸张成型后揭下，在400kPa压力下挤压3min，在93℃下抽真空5min，干燥后制得透析纸；。
2.根据权利要求1所述的环保医用涂胶纸，其特征在于，所述涂胶层由以下组分组成：1～2份聚苯醚、0.5～1份烷基烯酮二聚体、40～45份聚乙烯醇、0.6～0.8份戊二醛、10～12份甘油和2～3份单硬脂酸甘油酯。
3.根据权利要求2所述的环保医用涂胶纸，其特征在于，所述涂胶层的制备工艺包括以下步骤：
S21、将1～2份聚苯醚加入浓度为15％的NaOH溶液中，并调整溶液PH值为8，再加入0.5～1份烷基烯酮二聚体，搅拌30min后制得混合液A备用；
S22、取40～45份聚乙烯醇加入到S21步骤中的混合溶液A中，并在(92±3)℃水浴加热，并不断搅拌，然后再加入10～15份改性淀粉，并搅拌均匀，使其分子间发生交联反应,制得混合液B备用；
S23、再依次向S22步骤得到的混合液B中加入0.6～0.8份戊二醛、10～12份甘油、2～3份单硬脂酸甘油酯，继续搅拌15min，使其充分反应，并检测其PH值，然后，根据PH值加入适量的氯化铵，以中和未反应的戊二醛，便可制得涂胶液，将涂胶液喷涂在透析纸上，烘干后，即可得到涂胶层。
4.根据权利要求1所述的环保医用涂胶纸，其特征在于，所述抑菌剂由以下组分组成：6～9份络蛋白、2～3份木瓜蛋白酶、1.5～2份戊二醛、18～20份乙基纤维素和20～25份丝瓜络纤维素。
5.根据权利要求4所述的环保医用涂胶纸，其特征在于，所述抑菌剂的制备工艺包括以下步骤：
S31、将磷酸缓冲溶液的PH值调配到(7.8±0.2)备用，将络蛋白和木瓜蛋白酶按照2:8的比例混合，取8～12份络蛋白和木瓜蛋白酶混合物加入到200份磷酸缓冲溶液中，并搅拌均匀；
S32、再向S31步骤中的溶液里加入1.5～2份戊二醛，并搅拌，接着分别加入18～20份乙基纤维素和20～25份丝瓜络纤维素，使其充分融合；
S33、在室温下对S32步骤中得到的进行凝固胶化，再用蒸馏水和乙醇进行冲洗，烘干后，研磨成粉，即得到抑菌剂。
6.根据权利要求1所述的环保医用涂胶纸，其特征在于，所述改性淀粉由以下组分组成：250～280份玉米淀粉、12～15份NaCl和28～30份环氧氯丙烷。
7.根据权利要求6所述的环保医用涂胶纸，其特征在于，所述改性淀粉的制备工艺包括以下步骤：
S41、将250～280份玉米淀粉稀释成浓度为40％的玉米淀粉乳液，再加入12～15份NaCl，并进行搅拌，再加入一定量的NaOH溶液，使其PH值调节到(10±0.5)，混合溶液C备用；
S42、再向S41步骤中的混合溶液C内加入28～30份环氧氯丙烷，在35℃下反应3h，得到混合淀粉液D备用；
S43、再向S42步骤中得到的混合淀粉液D中加入浓度为2％的HCl调节PH值为(6.5±0.3)，再依次经过水和乙醇洗涤后，烘干，即可得到改性淀粉。
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CN114622436A (zh) * 2022-04-25 2022-06-14 浙江科技学院 环保增强高阻菌医疗防护用纳米透析纸机械性能的方法
CN114875717A (zh) * 2022-04-25 2022-08-09 浙江科技学院 一种可降解高阻菌医疗防护用纳米透析纸的制备方法
US11840806B2 (en) 2022-04-25 2023-12-12 Zhejiang University Of Science And Technology Environmentally-friendly method for enhancing mechanical properties of high antibacterial nano dialysis paper for medical protection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114622436A (zh) * 2022-04-25 2022-06-14 浙江科技学院 环保增强高阻菌医疗防护用纳米透析纸机械性能的方法
CN114875717A (zh) * 2022-04-25 2022-08-09 浙江科技学院 一种可降解高阻菌医疗防护用纳米透析纸的制备方法
US11840806B2 (en) 2022-04-25 2023-12-12 Zhejiang University Of Science And Technology Environmentally-friendly method for enhancing mechanical properties of high antibacterial nano dialysis paper for medical protection

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