CN104231224A - 一种导电的pu鞋材及其制造方法 - Google Patents

一种导电的pu鞋材及其制造方法 Download PDF

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CN104231224A
CN104231224A CN201410566646.6A CN201410566646A CN104231224A CN 104231224 A CN104231224 A CN 104231224A CN 201410566646 A CN201410566646 A CN 201410566646A CN 104231224 A CN104231224 A CN 104231224A
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黄超
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Abstract

本发明提供一种导电的PU鞋材，其重量份组成为：多元醇30～40份，扩链剂3～10份，异氰酸酯35～45份，多壁碳纳米管2～10份，抗氧剂0.5～5份，分散剂1～5份，催化剂0.5～2份，钛白粉1～3份。本发明还公开了该导电的PU鞋材的制造方法。本发明提供的PU鞋材具备较好的导电性能。

Description

一种导电的PU鞋材及其制造方法
技术领域：
本发明涉及一种鞋材，特别是涉及一种导电的PU鞋材及其制造方法。
背景技术：
导电鞋是具有良好的导电性能的防护鞋，可在短时间内消除人体静电积聚，主要用于没有电击的危险场所。鞋一般采用皮革、橡胶、塑料、发泡PU、PVC等材料，其中PU材料占到了一定的比重。普通的PU材料物理性能较好，但是不具备导电性能，不能用于导电鞋。
发明内容：
本发明要解决的技术问题是提供一种导电的PU鞋材，其具备较好的导电性能。
为解决上述技术问题，本发明的技术方案是：
一种导电的PU鞋材，其重量份组成为：
优选地，本发明所述多元醇为聚乙二醇。
优选地，本发明所述扩链剂为三羟基甲基丙烷。
优选地，本发明所述异氰酸酯为1,4-二苯基甲烷二异氰酸酯。
优选地，本发明所述抗氧剂为二苯胺、对苯二胺、二氢喹啉中的至少一种。
优选地，本发明所述分散剂为己烯基双硬脂酸酰胺、三硬脂酸甘油酯、硬脂酸钙的至少一种。
优选地，本发明所述催化剂为二丁基二月硅酸锡。
本发明要解决的另一技术问题是提供上述导电的PU鞋材的制造方法。
为解决上述技术问题，技术方案是：
一种导电的PU鞋材的制造方法，包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
由上可见，与现有技术相比，本发明具有以下有益效果：
多壁碳纳米管具有优异的力学、电学及热学性能，与其复合后PU可获得较好的导电性能，然而多壁碳纳米管具有极大的比表面积、长径比和惰性表面，很容易团聚，不利于其在PU中的均匀分散和导电性能的发挥，本发明采用了强酸回流法对其进行了改性处理，使其产生了羧基基团，在PU中分散比较均匀，大大减少了团聚，可充分发挥其导电性能。
具体实施方式
下面将结合具体实施例来详细说明本发明，在此本发明的示意性实施例以及说明用来解释本发明，但并不作为对本发明的限定。
实施例1
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
实施例2
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
实施例3
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
实施例4
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
实施例5
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
实施例6
一种导电的PU鞋材，其重量份组成为：
其制造方法包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
将实施例1至6制得的导电的PU鞋材依据国标GB21148-2007的检测标准，分别测试其体积电阻，结果分别为5.4×107Ω·cm、2.3×108Ω·cm、1.7×108Ω·cm、7.5×107Ω·cm、8.3×107Ω·cm、3.1×108Ω·cm，均具有良好的导电性能。
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。

Claims (8)

1.一种导电的PU鞋材，其特征在于：其重量份组成为：
2.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述多元醇为聚乙二醇。
3.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述扩链剂为三羟基甲基丙烷。
4.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述异氰酸酯为1,4-二苯基甲烷二异氰酸酯。
5.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述抗氧剂为二苯胺、对苯二胺、二氢喹啉中的至少一种。
6.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述分散剂为己烯基双硬脂酸酰胺、三硬脂酸甘油酯、硬脂酸钙的至少一种。
7.根据权利要求1所述的一种导电的PU鞋材，其特征在于：所述催化剂为二丁基二月硅酸锡。
8.根据权利要求1～7任意一项所述的一种导电的PU鞋材的制造方法，其特征在于：包括以下步骤：
(1)将多壁碳纳米管放入硫酸与硝酸的混合酸中，在90度下回流搅拌20分钟，经稀释、过滤、洗涤、烘干后得到改性碳纳米管；
(2)利用多元醇和异氰酸酯制备预聚体，然后采用扩链剂扩链，混合搅拌均匀后得到PU；
(3)将改性碳纳米管通过超声分散法分散于N,N－二甲基乙酰胺中，加入PU，溶解搅拌均匀得到复合料；
(4)将步骤(3)中得到的复合料浇注成型，得到导电的PU鞋材。
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CN103570916A (zh) * 2013-10-15 2014-02-12 苏州市景荣科技有限公司 一种鞋材用抗静电聚氨酯弹性体

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US20090131606A1 (en) * 2007-11-20 2009-05-21 Bayer Materialscience Ag Polyurethane/polyurea elastomers based on 2,4'-diphenylmethane diisocyanate prepolymers and the production thereof
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