CN110628208A - 一种抗静电tpu带 - Google Patents

一种抗静电tpu带 Download PDF

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Publication number
CN110628208A
CN110628208A CN201910921381.XA CN201910921381A CN110628208A CN 110628208 A CN110628208 A CN 110628208A CN 201910921381 A CN201910921381 A CN 201910921381A CN 110628208 A CN110628208 A CN 110628208A
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Prior art keywords
parts
inner core
antistatic
fabric
tpu
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花文杰
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JIANGSU FULAIOU INDUSTRIAL TAPE PERPARATION Co Ltd
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JIANGSU FULAIOU INDUSTRIAL TAPE PERPARATION Co Ltd
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Priority to CN201910921381.XA priority Critical patent/CN110628208A/zh
Publication of CN110628208A publication Critical patent/CN110628208A/zh
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Abstract

本发明属于输送带技术领域，尤其为一种抗静电TPU带，包括织物内芯和覆盖胶层；所述织物内芯由经线和纬线组成，所述经线和纬线按照平纹织法一上一下编织而成；所述经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；所述纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成。本发明通过对织物内芯进行改进，依靠经线保证输送带耐磨性和强度的同时，通过纬线提高输送带的抗静电性同时提高输送带的耐高温性，其中织物内芯的抗静电远离为，利用电场引起其电晕放电，使静电中和，从而起到抗静电的作用，抗静电效果好；通过对覆盖胶层进行改进，减少了耐磨导电炭黑的添加量，同时再加入一定量的PVC树脂，从而保证了覆盖胶层的拉伸强度和冲击强度。

Description

一种抗静电TPU带
技术领域
本发明涉及输送带技术领域，具体为一种抗静电TPU带。
背景技术
TPU(热塑性聚氨酯弹性体)是一种新兴的高分子材料，具有高弹性、较高的杨氏模量、良好的挠曲性以及耐磨、耐候、耐油酯、耐溶剂、环保等优良性能，因此广泛应用于船舶、车辆、航空、轻工、纺织等部门。
TPU输送带作为一种轻型输送带，以其质量轻、寿命长、阻燃性好、不易产生摩擦等优点，在多行业中得到广泛的应用。
TPU输送带在使用过程中，需要与机械不断的摩擦，同时与运输的物体之间也存在摩擦，因此产生大量的电荷积累，这就要求输送带正反两面都要具有较好的高抗静电性能。
目前的处理方法主要是通过在TPU覆胶制备过程中往TPU树脂中添加一定量的导电炭黑来提高TPU输送带的抗静电能力，既加速静电泄露，以避免静电的大量聚积，但是添加过多的导电炭黑会影响TPU输送带的拉伸强度和冲击强度，从而降低了TPU输送带的性能，同时过多导电炭黑的添加，会造成TPU覆胶压合工作困难，造成生产工艺难度大。
发明内容
(一)解决的技术问题
针对现有技术的不足，本发明提供了一种抗静电TPU带，解决了上述背景技术中的问题。
(二)技术方案
为实现上述目的，本发明提供如下技术方案：一种抗静电TPU带，包括织物内芯和覆盖胶层；
所述织物内芯由经线和纬线组成，所述经线和纬线按照平纹织法一上一下编织而成；
所述经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；
所述纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成；
所述覆盖胶层包括以下重量份数的组分：
TPU树脂50～70份；
抗静电剂4～8份；
耐磨导电炭黑2～6份；
软化剂2～5份；
增塑剂10～14份；
防老剂1～2份；
环氧树脂2份；
磺酸芳香聚合物1～4份；
硅酸盐2～3份；
PVC树脂20～30份。
作为本发明的一种优选技术方案，所述抗静电剂为三羟乙基甲基季铵甲基硫酸盐。
作为本发明的一种优选技术方案，所述软化剂为松焦油。
作为本发明的一种优选技术方案，所述增塑剂为癸二酸二辛酯或己二酸二辛酯。
作为本发明的一种优选技术方案，所述防老剂为N-苯基-α萘胺、2，2，4-三甲基-1，2-二氢喹啉聚合物或N-异丙基-N′-苯基对苯二胺中的一种或多种。
一种抗静电TPU带的制备方法，包括以下步骤：
一)编织织物内芯：按平纹织法将经线和纬线一上一下编织成双层组织织物，既得织物内芯；
二)制备覆盖胶层的原料：
①按重量份数取TPU树脂50～70份、抗静电剂4～8份、耐磨导电炭黑2～6份、软化剂2～5份、增塑剂10～14份、防老剂1～2份、环氧树脂2份、磺酸芳香聚合物1～4份、硅酸盐2～3份和PVC树脂20～30份；
②将上述步骤①中的TPU树脂50～70份、PVC树脂20～30份、磺酸芳香聚合物1～4份、软化剂2～5份和增塑剂10～14份加入到高速混合机内，在140～160℃下混合15～25min，混合转速为1100～1300r/min，可以得到混合浆料A；
③将步骤①中的抗静电剂4～8份、耐磨导电炭黑2～6份、防老剂1～2份、环氧树脂2份和硅酸盐2～3份在进入到步骤②中的混合浆料A中，在120～150℃下混合20～30min，混合转速为800～900r/min，得到混合浆料B；
④将步骤③得到的混合浆料B冷却后加入到双螺杆造粒机中，可以得到覆盖胶层颗粒；
三)织物内芯浸泡：将步骤一)得到的织物内芯浸泡在胶液中，浸泡时间为30～50min，浸泡后用轧辊将多余胶液从而织物内芯上清除；
四)将步骤三)中浸泡后的织物内芯放入塑化箱内塑化，塑化温度为160～180℃；
五)将步骤二)得到覆盖胶层颗粒通过两个挤出机挤出，然后在温度为120～150℃下与步骤(四)中塑化后的织物内芯贴合在一起，得到抗静电TPU带。
作为本发明的一种优选技术方案，所述步骤三)中的胶液由聚氨酯溶液、环氧大豆油、阻燃剂、对苯二甲酸二辛酯和聚氯乙烯糊树脂配制而成。
(三)有益效果
与现有技术相比，本发明提供了一种抗静电TPU带，具备以下有益效果：
1、该抗静电TPU带，通过对织物内芯进行改进，依靠经线保证输送带耐磨性和强度的同时，通过纬线提高输送带的抗静电性同时提高输送带的耐高温性，其中织物内芯的抗静电远离为，利用电场引起其电晕放电，使静电中和，从而起到抗静电的作用，抗静电效果好。
2、该抗静电TPU带，通过对覆盖胶层进行改进，减少了耐磨导电炭黑的添加量，同时再加入一定量的PVC树脂，从而保证了覆盖胶层的拉伸强度和冲击强度，并且通过添加抗静电剂和磺酸芳香聚合物，可以通过离子导电来传导和释放产生的静电荷，主要是降低覆盖胶层的电阻率来起到抗静电的效果，从而更全面提高了输送带的抗静电能力。
3、该抗静电TPU带，制备工艺简单合理，因此制备操作简单，方便进行生产，可以提高了TPU输送带的电学性能，增强了其适用性。
附图说明
图1为本发明结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
请参阅图1，本发明提供以下技术方案：一种抗静电TPU带，包括织物内芯和覆盖胶层；
织物内芯由经线和纬线组成，经线和纬线按照平纹织法一上一下编织而成；
经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；
纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成；
覆盖胶层包括以下重量份数的组分：
TPU树脂56份；
抗静电剂4份；
耐磨导电炭黑3份；
软化剂3份；
增塑剂12份；
防老剂2份；
环氧树脂2份；
磺酸芳香聚合物2份；
硅酸盐3份；
PVC树脂22份。
具体的，抗静电剂为三羟乙基甲基季铵甲基硫酸盐。
具体的，软化剂为松焦油。
具体的，增塑剂为癸二酸二辛酯或己二酸二辛酯。
具体的，防老剂为N-苯基-α萘胺、2，2，4-三甲基-1，2-二氢喹啉聚合物或N-异丙基-N′-苯基对苯二胺中的一种或多种。
一种抗静电TPU带的制备方法，包括以下步骤：
一)编织织物内芯：按平纹织法将经线和纬线一上一下编织成双层组织织物，既得织物内芯；
二)制备覆盖胶层的原料：
①按重量份数取TPU树脂56份、抗静电剂4份、耐磨导电炭黑3份、软化剂3份、增塑剂12份、防老剂2份、环氧树脂2份、磺酸芳香聚合物2份、硅酸盐3份和PVC树脂22份；
②将上述步骤①中的TPU树脂56份、PVC树脂22份、磺酸芳香聚合物2份、软化剂3份和增塑剂12份加入到高速混合机内，在140～160℃下混合15～25min，混合转速为1100～1300r/min，可以得到混合浆料A；
③将步骤①中的抗静电剂4份、耐磨导电炭黑3份、防老剂2份、环氧树脂2份和硅酸盐3份在进入到步骤②中的混合浆料A中，在120～150℃下混合20～30min，混合转速为800～900r/min，得到混合浆料B；
④将步骤③得到的混合浆料B冷却后加入到双螺杆造粒机中，可以得到覆盖胶层颗粒；
三)织物内芯浸泡：将步骤一)得到的织物内芯浸泡在胶液中，浸泡时间为30～50min，浸泡后用轧辊将多余胶液从而织物内芯上清除；
四)将步骤三)中浸泡后的织物内芯放入塑化箱内塑化，塑化温度为160～180℃；
五)将步骤二)得到覆盖胶层颗粒通过两个挤出机挤出，然后在温度为120～150℃下与步骤(四)中塑化后的织物内芯贴合在一起，得到抗静电TPU带。
具体的，步骤三)中的胶液由聚氨酯溶液、环氧大豆油、阻燃剂、对苯二甲酸二辛酯和聚氯乙烯糊树脂配制而成。
通过对制备得到的抗静电TPU带在温度为25℃，相对湿度为65％的条件下测定其表面电阻为5.9*107。
实施例二
一种抗静电TPU带，包括织物内芯和覆盖胶层；
织物内芯由经线和纬线组成，经线和纬线按照平纹织法一上一下编织而成；
经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；
纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成；
覆盖胶层包括以下重量份数的组分：
TPU树脂60份；
抗静电剂5份；
耐磨导电炭黑3份；
软化剂2份；
增塑剂11份；
防老剂2份；
环氧树脂2份；
磺酸芳香聚合物3份；
硅酸盐2份；
PVC树脂25份。
具体的，抗静电剂为三羟乙基甲基季铵甲基硫酸盐。
具体的，软化剂为松焦油。
具体的，增塑剂为癸二酸二辛酯或己二酸二辛酯。
具体的，防老剂为N-苯基-α萘胺、2，2，4-三甲基-1，2-二氢喹啉聚合物或N-异丙基-N′-苯基对苯二胺中的一种或多种。
一种抗静电TPU带的制备方法，包括以下步骤：
一)编织织物内芯：按平纹织法将经线和纬线一上一下编织成双层组织织物，既得织物内芯；
二)制备覆盖胶层的原料：
①按重量份数取TPU树脂60份、抗静电剂5份、耐磨导电炭黑3份、软化剂2份、增塑剂11份、防老剂2份、环氧树脂2份、磺酸芳香聚合物3份、硅酸盐2份和PVC树脂25份；
②将上述步骤①中的TPU树脂60份、PVC树脂25、磺酸芳香聚合物3份、软化剂2份和增塑剂11份加入到高速混合机内，在140～160℃下混合15～25min，混合转速为1100～1300r/min，可以得到混合浆料A；
③将步骤①中的抗静电剂5份、耐磨导电炭黑3份、防老剂2份、环氧树脂2份和硅酸盐2份在进入到步骤②中的混合浆料A中，在120～150℃下混合20～30min，混合转速为800～900r/min，得到混合浆料B；
④将步骤③得到的混合浆料B冷却后加入到双螺杆造粒机中，可以得到覆盖胶层颗粒；
三)织物内芯浸泡：将步骤一)得到的织物内芯浸泡在胶液中，浸泡时间为30～50min，浸泡后用轧辊将多余胶液从而织物内芯上清除；
四)将步骤三)中浸泡后的织物内芯放入塑化箱内塑化，塑化温度为160～180℃；
五)将步骤二)得到覆盖胶层颗粒通过两个挤出机挤出，然后在温度为120～150℃下与步骤(四)中塑化后的织物内芯贴合在一起，得到抗静电TPU带。
具体的，步骤三)中的胶液由聚氨酯溶液、环氧大豆油、阻燃剂、对苯二甲酸二辛酯和聚氯乙烯糊树脂配制而成。
通过对制备得到的抗静电TPU带在温度为25℃，相对湿度为65％的条件下测定其表面电阻为6.6*107。
实施例三
一种抗静电TPU带，包括织物内芯和覆盖胶层；
织物内芯由经线和纬线组成，经线和纬线按照平纹织法一上一下编织而成；
经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；
纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成；
覆盖胶层包括以下重量份数的组分：
TPU树脂65份；
抗静电剂5份；
耐磨导电炭黑4份；
软化剂4份；
增塑剂12份；
防老剂1份；
环氧树脂2份；
磺酸芳香聚合物4份；
硅酸盐3份；
PVC树脂28份。
具体的，抗静电剂为三羟乙基甲基季铵甲基硫酸盐。
具体的，软化剂为松焦油。
具体的，增塑剂为癸二酸二辛酯或己二酸二辛酯。
具体的，防老剂为N-苯基-α萘胺、2，2，4-三甲基-1，2-二氢喹啉聚合物或N-异丙基-N′-苯基对苯二胺中的一种或多种。
一种抗静电TPU带的制备方法，包括以下步骤：
一)编织织物内芯：按平纹织法将经线和纬线一上一下编织成双层组织织物，既得织物内芯；
二)制备覆盖胶层的原料：
①按重量份数取TPU树脂65份、抗静电剂5份、耐磨导电炭黑4份、软化剂4份、增塑剂12份、防老剂1份、环氧树脂2份、磺酸芳香聚合物4份、硅酸盐3份和PVC树脂28份；
②将上述步骤①中的TPU树脂65份、PVC树脂28份、磺酸芳香聚合物4份、软化剂4份和增塑剂12份加入到高速混合机内，在140～160℃下混合15～25min，混合转速为1100～1300r/min，可以得到混合浆料A；
③将步骤①中的抗静电剂5份、耐磨导电炭黑4份、防老剂1、环氧树脂2份和硅酸盐3份在进入到步骤②中的混合浆料A中，在120～150℃下混合20～30min，混合转速为800～900r/min，得到混合浆料B；
④将步骤③得到的混合浆料B冷却后加入到双螺杆造粒机中，可以得到覆盖胶层颗粒；
三)织物内芯浸泡：将步骤一)得到的织物内芯浸泡在胶液中，浸泡时间为30～50min，浸泡后用轧辊将多余胶液从而织物内芯上清除；
四)将步骤三)中浸泡后的织物内芯放入塑化箱内塑化，塑化温度为160～180℃；
五)将步骤二)得到覆盖胶层颗粒通过两个挤出机挤出，然后在温度为120～150℃下与步骤(四)中塑化后的织物内芯贴合在一起，得到抗静电TPU带。
具体的，步骤三)中的胶液由聚氨酯溶液、环氧大豆油、阻燃剂、对苯二甲酸二辛酯和聚氯乙烯糊树脂配制而成。
通过对制备得到的抗静电TPU带在温度为25℃，相对湿度为65％的条件下测定其表面电阻为6.4*107。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种抗静电TPU带，其特征在于：包括织物内芯和覆盖胶层；
所述织物内芯由经线和纬线组成，所述经线和纬线按照平纹织法一上一下编织而成；
所述经线由聚酯或棉纤维或芳纶纤维和聚酰胺纤维组成；
所述纬线由尼农基导电纤维、中空玻璃纤维和聚丙烯纤维组成；
所述覆盖胶层包括以下重量份数的组分：
TPU树脂50～70份；
抗静电剂4～8份；
耐磨导电炭黑2～6份；
软化剂2～5份；
增塑剂10～14份；
防老剂1～2份；
环氧树脂2份；
磺酸芳香聚合物1～4份；
硅酸盐2～3份；
PVC树脂20～30份。
2.根据权利要求1所述的一种抗静电TPU带，其特征在于：所述抗静电剂为三羟乙基甲基季铵甲基硫酸盐。
3.根据权利要求1所述的一种抗静电TPU带，其特征在于：所述软化剂为松焦油。
4.根据权利要求1所述的一种抗静电TPU带，其特征在于：所述增塑剂为癸二酸二辛酯或己二酸二辛酯。
5.根据权利要求1所述的一种抗静电TPU带，其特征在于：所述防老剂为N-苯基-α萘胺、2，2，4-三甲基-1，2-二氢喹啉聚合物或N-异丙基-N′-苯基对苯二胺中的一种或多种。
6.根据权利要求1～5所述的一种抗静电TPU带的制备方法，其特征在于：包括以下步骤：
一)编织织物内芯：按平纹织法将经线和纬线一上一下编织成双层组织织物，既得织物内芯；
二)制备覆盖胶层的原料：
①按重量份数取TPU树脂50～70份、抗静电剂4～8份、耐磨导电炭黑2～6份、软化剂2～5份、增塑剂10～14份、防老剂1～2份、环氧树脂2份、磺酸芳香聚合物1～4份、硅酸盐2～3份和PVC树脂20～30份；
②将上述步骤①中的TPU树脂50～70份、PVC树脂20～30份、磺酸芳香聚合物1～4份、软化剂2～5份和增塑剂10～14份加入到高速混合机内，在140～160℃下混合15～25min，混合转速为1100～1300r/min，可以得到混合浆料A；
③将步骤①中的抗静电剂4～8份、耐磨导电炭黑2～6份、防老剂1～2份、环氧树脂2份和硅酸盐2～3份在进入到步骤②中的混合浆料A中，在120～150℃下混合20～30min，混合转速为800～900r/min，得到混合浆料B；
④将步骤③得到的混合浆料B冷却后加入到双螺杆造粒机中，可以得到覆盖胶层颗粒；
三)织物内芯浸泡：将步骤一)得到的织物内芯浸泡在胶液中，浸泡时间为30～50min，浸泡后用轧辊将多余胶液从而织物内芯上清除；
四)将步骤三)中浸泡后的织物内芯放入塑化箱内塑化，塑化温度为160～180℃；
五)将步骤二)得到覆盖胶层颗粒通过两个挤出机挤出，然后在温度为120～150℃下与步骤(四)中塑化后的织物内芯贴合在一起，得到抗静电TPU带。
7.根据权利要求6所述的一种抗静电TPU带的制备方法，其特征在于：所述步骤三)中的胶液由聚氨酯溶液、环氧大豆油、阻燃剂、对苯二甲酸二辛酯和聚氯乙烯糊树脂配制而成。
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