CN108314974A - 一种超薄聚吡咯掺杂导电胶带及其制备方法 - Google Patents

一种超薄聚吡咯掺杂导电胶带及其制备方法 Download PDF

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CN108314974A
CN108314974A CN201810040330.1A CN201810040330A CN108314974A CN 108314974 A CN108314974 A CN 108314974A CN 201810040330 A CN201810040330 A CN 201810040330A CN 108314974 A CN108314974 A CN 108314974A
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张永宏
包红珠
马红
刘运
于胜星
陈凯
张钰
袁凤
周建华
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Jiangsu Yon New Mstar Technology Ltd
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Abstract

本发明公开了一种超薄聚吡咯掺杂导电胶带及其制备方法，它是由下述重量份的原料组成的：导电凝胶乳液13‑20、聚碳酸酯二醇106‑110、异佛尔酮二异氰酸酯46‑50、一缩二乙二醇7‑9、三氯化磷3‑4、季戊四醇4‑6、葵二酸二辛酯2‑3、苯骈三氮唑0.8‑1。本发明以4,4′‑二苯基甲烷二异氰酸酯为交联剂，对酯化聚氨酯进行交联，在交联过程中引入该导电凝胶，不仅有效的改善了凝胶在聚酯中的分散相容性，还提高了导电的均匀稳定性，本发明的胶带断裂伸长率高，具有一定的导电性能，扩大了胶带的应用领域。

Description

一种超薄聚吡咯掺杂导电胶带及其制备方法
技术领域
本发明属于电胶带领域，具体涉及一种超薄聚吡咯掺杂导电胶带及其制备方法。
背景技术
泡棉胶带是以泡棉为基材在其一面或两面涂以溶剂型(或热熔型)压敏胶再复以离型纸制造而成，具有出色的密封性、抗压缩变形性和持久的回弹性，能避免气体外释和雾化，可以保证配件得到长期的防震保护。泡棉胶带可用于弯曲表面、粗糙表面和平滑表面等基材的粘接，并且随着时间的延长，泡棉胶带与被粘基材的接触面积会变大，粘接性能不会下降太多。泡棉胶带还具有慢回弹特性，形变随着时间延长而缓慢恢复，抗冲击性能良好；具有更低的密度，可节约成本。泡棉胶带的基材多采用EVA、XPE、IXPE、PVC、PEF、EPDF、PU等。
其中，采用PU泡棉为基材的泡棉胶带是指在PU发泡(聚氨酯)基材上两面涂上压克力胶水而成的胶，具有粘着力强、持粘性好、防水性、硬度佳、韧性好、减震性好及耐重能力强的特点，适用于挂钩、广告牌、看画板、塑料条、金属片等的粘合固定；然而，目前市售的聚氨酯泡棉胶带比较厚，且应用范围比较窄，因此，本发明研究了一种导电的泡棉胶带，以扩大其在新领域的应用。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种超薄聚吡咯掺杂导电胶带及其制备方法。
为实现上述目的，本发明采用以下技术方案：
一种超薄聚吡咯掺杂导电胶带，它是由下述重量份的原料组成的：
导电凝胶乳液13-20、聚碳酸酯二醇106-110、异佛尔酮二异氰酸酯46-50、一缩二乙二醇7-9、三氯化磷3-4、季戊四醇4-6、葵二酸二辛酯2-3、苯骈三氮唑0.8-1。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液是由下述重量份的原料组成的：
吡咯30-40、引发剂0.7-1、纳米二氧化硅气凝胶20-25、月桂基二甲基氧化胺0.6-1、松香醇4-6、4,4′-二苯基甲烷二异氰酸酯0.5-1。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液的制备方法，包括以下步骤：
(1)取引发剂，加入到其重量20-30倍的去离子水中，搅拌均匀；
(2)取吡咯、月桂基二甲基氧化胺混合，加入到混合料重量17-20倍的去离子水中，搅拌均匀，加入松香醇，在60-65℃下保温搅拌10-15分钟，得吡咯分散液；
(3)取纳米二氧化硅气凝胶，加入到上述吡咯分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为70-75℃，保温搅拌3-4小时，出料冷却，搅拌反应5-6小时，得导电凝胶；
(4)取上述4,4′-二苯基甲烷二异氰酸酯，加入到上述导电凝胶中，超声5-10分钟，得导电凝胶乳液。
所述的一种超薄聚吡咯掺杂导电胶带，所述的引发剂为过硫酸铵、过硫酸钠、过硫酸钾中的一种。
一种所述的超薄聚吡咯掺杂导电胶带的制备方法，包括以下步骤：
(1)取苯骈三氮唑，加入到其重量3-4倍的二甲基甲酰胺中，搅拌均匀，得酰胺溶液；
(2)取聚碳酸酯二醇、异佛尔酮二异氰酸酯混合，送入到反应釜中，通入氮气，调节反应釜温度为75-80℃，保温搅拌2-3小时，加入一缩二乙二醇，降低反应釜温度为55-60℃，保温反应4-5小时，出料，与上述酰胺溶液混合，搅拌至常温，得聚氨酯溶液；
(3)取三氯化磷，加入到上述聚氨酯溶液中，超声2-3分钟，加入季戊四醇，升高温度为85-90℃，保温搅拌1-2小时，加入葵二酸二辛酯，搅拌至常温，得酯化聚氨酯溶液；
(4)取上述酯化聚氨酯溶液，与导电凝胶乳液混合，送入到反应釜中，通入氮气，调节反应釜温度为60-65℃，保温搅拌2-3小时，出料，过滤，将沉淀水洗，常温干燥，得导电掺杂聚氨酯；
(5)取上述导电掺杂聚氨酯，送入到螺杆挤出机中，经过挤出、拉伸、定型，得到导电掺杂聚氨酯薄膜；
(6)将导电掺杂聚氨酯薄膜置于高压反应釜内，先用超临界CO2流体吹洗体系，排净空气，密封高压反应釜后将体系升温到100-105℃，注入CO2流体使饱和压力控制在14-14.5MPa处理6-7h，然后快速泄压并置于冰水浴内冷却定型，得到聚氨酯泡棉基板；
(7)将胶黏剂涂覆在聚氨酯泡棉基板上，将涂覆有胶黏剂的聚氨酯泡棉基板置于压力容器中，充入N2使压力升至3-4MPa处理2-5min，在聚氨酯泡棉基板上形成粘剂涂层，即得到胶带本体；
(8)在胶带本体的粘剂涂层外侧贴上一层离型膜，即得所述超薄聚吡咯掺杂导电胶带。
本发明的优点：
本发明以吡咯为单体，采用月桂基二甲基氧化胺水溶液分散，以过硫酸盐为引发剂聚合，在聚合的过程中引入纳米二氧化硅气凝胶，有效的提高了聚酯的力学强度，同时赋予了成品一定的导电性能，本发明以4,4′-二苯基甲烷二异氰酸酯为交联剂，对酯化聚氨酯进行交联，在交联过程中引入该导电凝胶，不仅有效的改善了凝胶在聚酯中的分散相容性，还提高了导电的均匀稳定性，本发明的胶带断裂伸长率高，具有一定的导电性能，扩大了胶带的应用领域。
具体实施方式
实施例1
一种超薄聚吡咯掺杂导电胶带，它是由下述重量份的原料组成的：
导电凝胶乳液20、聚碳酸酯二醇110、异佛尔酮二异氰酸酯50、一缩二乙二醇9、三氯化磷4、季戊四醇6、葵二酸二辛酯3、苯骈三氮唑1。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液是由下述重量份的原料组成的：
吡咯40、引发剂1、纳米二氧化硅气凝胶25、月桂基二甲基氧化胺1、松香醇6、4,4′-二苯基甲烷二异氰酸酯1。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液的制备方法，包括以下步骤：
(1)取引发剂，加入到其重量30倍的去离子水中，搅拌均匀；
(2)取吡咯、月桂基二甲基氧化胺混合，加入到混合料重量20倍的去离子水中，搅拌均匀，加入松香醇，在65℃下保温搅拌15分钟，得吡咯分散液；
(3)取纳米二氧化硅气凝胶，加入到上述吡咯分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为75℃，保温搅拌4小时，出料冷却，搅拌反应6小时，得导电凝胶；
(4)取上述4,4′-二苯基甲烷二异氰酸酯，加入到上述导电凝胶中，超声10分钟，得导电凝胶乳液。
所述的一种超薄聚吡咯掺杂导电胶带，所述的引发剂为过硫酸铵、过硫酸钠、过硫酸钾中的一种。
一种所述的超薄聚吡咯掺杂导电胶带的制备方法，包括以下步骤：
(1)取苯骈三氮唑，加入到其重量4倍的二甲基甲酰胺中，搅拌均匀，得酰胺溶液；
(2)取聚碳酸酯二醇、异佛尔酮二异氰酸酯混合，送入到反应釜中，通入氮气，调节反应釜温度为80℃，保温搅拌3小时，加入一缩二乙二醇，降低反应釜温度为60℃，保温反应5小时，出料，与上述酰胺溶液混合，搅拌至常温，得聚氨酯溶液；
(3)取三氯化磷，加入到上述聚氨酯溶液中，超声3分钟，加入季戊四醇，升高温度为90℃，保温搅拌2小时，加入葵二酸二辛酯，搅拌至常温，得酯化聚氨酯溶液；
(4)取上述酯化聚氨酯溶液，与导电凝胶乳液混合，送入到反应釜中，通入氮气，调节反应釜温度为65℃，保温搅拌3小时，出料，过滤，将沉淀水洗，常温干燥，得导电掺杂聚氨酯；
(5)取上述导电掺杂聚氨酯，送入到螺杆挤出机中，经过挤出、拉伸、定型，得到导电掺杂聚氨酯薄膜；
(6)将导电掺杂聚氨酯薄膜置于高压反应釜内，先用超临界CO2流体吹洗体系，排净空气，密封高压反应釜后将体系升温到105℃，注入CO2流体使饱和压力控制在14.5MPa处理7h，然后快速泄压并置于冰水浴内冷却定型，得到聚氨酯泡棉基板；
(7)将胶黏剂涂覆在聚氨酯泡棉基板上，将涂覆有胶黏剂的聚氨酯泡棉基板置于压力容器中，充入N2使压力升至4MPa处理5min，在聚氨酯泡棉基板上形成粘剂涂层，即得到胶带本体；
(8)在胶带本体的粘剂涂层外侧贴上一层离型膜，即得所述超薄聚吡咯掺杂导电胶带。
实施例2
一种超薄聚吡咯掺杂导电胶带，它是由下述重量份的原料组成的：
导电凝胶乳液13、聚碳酸酯二醇106、异佛尔酮二异氰酸酯46、一缩二乙二醇7、三氯化磷3、季戊四醇4、葵二酸二辛酯2、苯骈三氮唑0.8。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液是由下述重量份的原料组成的：
吡咯30、引发剂0.7、纳米二氧化硅气凝胶20、月桂基二甲基氧化胺0.6、松香醇4、4,4′-二苯基甲烷二异氰酸酯0.5。
所述的一种超薄聚吡咯掺杂导电胶带，所述的导电凝胶乳液的制备方法，包括以下步骤：
(1)取引发剂，加入到其重量20倍的去离子水中，搅拌均匀；
(2)取吡咯、月桂基二甲基氧化胺混合，加入到混合料重量17倍的去离子水中，搅拌均匀，加入松香醇，在60℃下保温搅拌10分钟，得吡咯分散液；
(3)取纳米二氧化硅气凝胶，加入到上述吡咯分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为70℃，保温搅拌3小时，出料冷却，搅拌反应5小时，得导电凝胶；
(4)取上述4,4′-二苯基甲烷二异氰酸酯，加入到上述导电凝胶中，超声5分钟，得导电凝胶乳液。
所述的一种超薄聚吡咯掺杂导电胶带，所述的引发剂为过硫酸铵、过硫酸钠、过硫酸钾中的一种。
一种所述的超薄聚吡咯掺杂导电胶带的制备方法，包括以下步骤：
(1)取苯骈三氮唑，加入到其重量3倍的二甲基甲酰胺中，搅拌均匀，得酰胺溶液；
(2)取聚碳酸酯二醇、异佛尔酮二异氰酸酯混合，送入到反应釜中，通入氮气，调节反应釜温度为75℃，保温搅拌2小时，加入一缩二乙二醇，降低反应釜温度为55℃，保温反应4小时，出料，与上述酰胺溶液混合，搅拌至常温，得聚氨酯溶液；
(3)取三氯化磷，加入到上述聚氨酯溶液中，超声2分钟，加入季戊四醇，升高温度为85℃，保温搅拌1小时，加入葵二酸二辛酯，搅拌至常温，得酯化聚氨酯溶液；
(4)取上述酯化聚氨酯溶液，与导电凝胶乳液混合，送入到反应釜中，通入氮气，调节反应釜温度为60℃，保温搅拌2小时，出料，过滤，将沉淀水洗，常温干燥，得导电掺杂聚氨酯；
(5)取上述导电掺杂聚氨酯，送入到螺杆挤出机中，经过挤出、拉伸、定型，得到导电掺杂聚氨酯薄膜；
(6)将导电掺杂聚氨酯薄膜置于高压反应釜内，先用超临界CO2流体吹洗体系，排净空气，密封高压反应釜后将体系升温到100℃，注入CO2流体使饱和压力控制在14MPa处理6h，然后快速泄压并置于冰水浴内冷却定型，得到聚氨酯泡棉基板；
(7)将胶黏剂涂覆在聚氨酯泡棉基板上，将涂覆有胶黏剂的聚氨酯泡棉基板置于压力容器中，充入N2使压力升至3MPa处理2min，在聚氨酯泡棉基板上形成粘剂涂层，即得到胶带本体；
(8)在胶带本体的粘剂涂层外侧贴上一层离型膜，即得所述超薄聚吡咯掺杂导电胶带。
性能测试：
本发明实施例1的超薄聚吡咯掺杂导电胶带(厚度0.1mm)：
拉伸强度：42.2Mpa；
断裂伸长率：395.1％；
本发明实施例2的超薄聚吡咯掺杂导电胶带(厚度0.1mm)：
拉伸强度：41.9Mpa；
断裂伸长率：390.5％；
市售聚氨酯泡棉胶带：
拉伸强度：10-20Mpa；
断裂伸长率：300-320％。
综上可以看出，本发明的超薄聚吡咯掺杂导电胶带，从拉伸强度和断裂伸长率的性能远远高于市面上普通的胶带。

Claims (5)

1.一种超薄聚吡咯掺杂导电胶带，其特征在于，它是由下述重量份的原料组成的：
导电凝胶乳液13-20、聚碳酸酯二醇106-110、异佛尔酮二异氰酸酯46-50、一缩二乙二醇7-9、三氯化磷3-4、季戊四醇4-6、葵二酸二辛酯2-3、苯骈三氮唑0.8-1。
2.根据权利要求1所述的一种超薄聚吡咯掺杂导电胶带，其特征在于，所述的导电凝胶乳液是由下述重量份的原料组成的：
吡咯30-40、引发剂0.7-1、纳米二氧化硅气凝胶20-25、月桂基二甲基氧化胺0.6-1、松香醇4-6、4,4′-二苯基甲烷二异氰酸酯0.5-1。
3.根据权利要求2所述的一种超薄聚吡咯掺杂导电胶带，其特征在于，所述的导电凝胶乳液的制备方法，包括以下步骤：
(1)取引发剂，加入到其重量20-30倍的去离子水中，搅拌均匀；
(2)取吡咯、月桂基二甲基氧化胺混合，加入到混合料重量17-20倍的去离子水中，搅拌均匀，加入松香醇，在60-65℃下保温搅拌10-15分钟，得吡咯分散液；
(3)取纳米二氧化硅气凝胶，加入到上述吡咯分散液中，搅拌均匀，送入到反应釜中，通入氮气，调节反应釜温度为70-75℃，保温搅拌3-4小时，出料冷却，搅拌反应5-6小时，得导电凝胶；
(4)取上述4,4′-二苯基甲烷二异氰酸酯，加入到上述导电凝胶中，超声5-10分钟，得导电凝胶乳液。
4.根据权利要求2所述的一种超薄聚吡咯掺杂导电胶带，其特征在于，所述的引发剂为过硫酸铵、过硫酸钠、过硫酸钾中的一种。
5.一种如权利要求1所述的超薄聚吡咯掺杂导电胶带的制备方法，其特征在于，包括以下步骤：
(1)取苯骈三氮唑，加入到其重量3-4倍的二甲基甲酰胺中，搅拌均匀，得酰胺溶液；
(2)取聚碳酸酯二醇、异佛尔酮二异氰酸酯混合，送入到反应釜中，通入氮气，调节反应釜温度为75-80℃，保温搅拌2-3小时，加入一缩二乙二醇，降低反应釜温度为55-60℃，保温反应4-5小时，出料，与上述酰胺溶液混合，搅拌至常温，得聚氨酯溶液；
(3)取三氯化磷，加入到上述聚氨酯溶液中，超声2-3分钟，加入季戊四醇，升高温度为85-90℃，保温搅拌1-2小时，加入葵二酸二辛酯，搅拌至常温，得酯化聚氨酯溶液；
(4)取上述酯化聚氨酯溶液，与导电凝胶乳液混合，送入到反应釜中，通入氮气，调节反应釜温度为60-65℃，保温搅拌2-3小时，出料，过滤，将沉淀水洗，常温干燥，得导电掺杂聚氨酯；
(5)取上述导电掺杂聚氨酯，送入到螺杆挤出机中，经过挤出、拉伸、定型，得到导电掺杂聚氨酯薄膜；
(6)将导电掺杂聚氨酯薄膜置于高压反应釜内，先用超临界CO2流体吹洗体系，排净空气，密封高压反应釜后将体系升温到100-105℃，注入CO2流体使饱和压力控制在14-14.5MPa处理6-7h，然后快速泄压并置于冰水浴内冷却定型，得到聚氨酯泡棉基板；
(7)将胶黏剂涂覆在聚氨酯泡棉基板上，将涂覆有胶黏剂的聚氨酯泡棉基板置于压力容器中，充入N2使压力升至3-4MPa处理2-5min，在聚氨酯泡棉基板上形成粘剂涂层，即得到胶带本体；
(8)在胶带本体的粘剂涂层外侧贴上一层离型膜，即得所述超薄聚吡咯掺杂导电胶带。
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CN105838275A (zh) * 2016-01-28 2016-08-10 宁波吉象塑胶制品有限公司 一种聚氨酯泡棉基材胶带

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CN105838275A (zh) * 2016-01-28 2016-08-10 宁波吉象塑胶制品有限公司 一种聚氨酯泡棉基材胶带

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109438964A (zh) * 2018-10-15 2019-03-08 重庆工商大学 兼具增强以及抗静电性能的轻质聚氨酯泡沫及其制备方法

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