CN111409333A - 一种防毒阻燃氯醚橡胶防护胶布及制备方法 - Google Patents

一种防毒阻燃氯醚橡胶防护胶布及制备方法 Download PDF

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CN111409333A
CN111409333A CN202010237274.8A CN202010237274A CN111409333A CN 111409333 A CN111409333 A CN 111409333A CN 202010237274 A CN202010237274 A CN 202010237274A CN 111409333 A CN111409333 A CN 111409333A
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epichlorohydrin rubber
roller
mixing
adhesive tape
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崔江舟
金世婧
齐嘉豪
雷晓军
王慧
刘彦妮
郭佳敏
杨景
周闯
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Shanxi Xinhua Chemical Industry Co Ltd
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Abstract

本发明公开了一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶100份，四氧化三铅3~8份，NA‑22 0.5~2份，硬脂酸锌0.5~1.5份，氧化镁1.5~3份，防老剂NBC 1.1~2份，防老剂MB 0.1~1份，快压出炭黑15~30份，陶土20~30份，三氧化二铝10~50份。本发明将氯醚橡胶应用于防护胶布的制备方法，与国内外现有技术相比，本发明胶布可在不使用卤化阻燃剂的情况下，同时兼顾防毒、阻燃及耐低温的性能要求。

Description

一种防毒阻燃氯醚橡胶防护胶布及制备方法
技术领域
本发明涉及防护材料技术领域，具体为一种防毒阻燃氯醚橡胶防护胶布及制备方法。
背景技术
目前防护服、防毒靴套等产品的防护材料主要采用氯化丁基橡胶、丁基橡胶或氯丁橡胶制备，其具有良好的气密型，可以满足对大部分毒剂、酸碱、乙腈、丙酮等工业化学品的防护，但主要有以下几方面的缺陷：（1）、丁基橡胶和氯化丁基橡胶不具备阻燃性能，需要添加三氧化二锑、十溴二苯醚、氯化石蜡等阻燃剂，随着环保的不断提高，卤化阻燃剂不能满足环保要求，而三氧化二铝等无卤阻燃剂阻燃效果差，使用量大，降低了胶料的含胶率，降低了胶布的防毒性能，因此不能同时满足阻燃和防毒性能的需求；（2）、氯丁橡胶阻燃效果好，但是耐低温性能差，低温时易发僵发硬，不能满足防护服、防毒靴套在冬季环境下使用。因此现有胶布材料不能在满足环保要求下同时兼顾防毒、阻燃、耐低温性能的要求。
发明内容
本发明目的是提供一种防毒阻燃胶布，可在不使用卤化阻燃剂的情况下，同时兼顾防毒、阻燃及耐低温的性能要求。
本发明是采用如下技术方案实现的：
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶100份，四氧化三铅3~8份，NA-22 0.5~2份，硬脂酸锌0.5~1.5份，氧化镁1.5~3份，防老剂NBC 1.1~2份，防老剂MB 0.1~1份，快压出炭黑15~30份，陶土20~30份，三氧化二铝10~50份。
氯醚橡胶是主链由C-O和C-C组成，其侧链含氯原子的饱和橡胶，主链呈醚型结构，由于有氧原子存在，分子易于旋转，主链柔顺，无双键存在，侧链含有极性基团或不饱和键。这种结构特征决定聚醚橡胶具有耐臭氧、耐天候、耐化学品、耐寒等优点，但是其存在加工性和物理强度不好的问题。因此通过添加陶土、三氧化二铝、快压出炭黑对橡胶进行补强填充后，可改善氯醚橡胶的加工性能和物理强度，用于防护胶布的制备。
上述防毒阻燃氯醚橡胶防护胶布的制备方法主要包括混炼Ⅰ—过滤—混炼Ⅱ—压延—硫化五个过程，具体如下：
（1）、混炼Ⅰ过程
混炼胶料采用XK-160mm 开放式炼胶机，滚筒速比为1:1.25，混炼时前辊辊温为50~60℃，后辊辊温为60~70℃；混炼工艺如下：
1.1、辊距调至0.8mm，加入氯醚橡胶，令其包前辊；
1.2、加入硬脂酸锌、氧化镁进行混炼，2~3分钟；
1.3、加入防老剂MB、防老剂NBC进行混炼，1~2分钟；
1.4、加入一半快压出炭黑、陶土、三氧化二铝混炼均匀，10~15分钟；
1.5、辊距调至1.2mm，加入剩下一半快压出炭黑、陶土、三氧化二铝，混炼均匀，10~15分钟，每边割刀四次，混炼均匀；
1.6、最后辊距调至所需厚度，出片，冷却。
（2）、过滤过程
将胶料在100℃下，采用120目筛网在挤出机上进行过滤。
（3）、混炼Ⅱ过程
3.1、辊距调至1.5mm，加入四氧化三铅、NA-22，2~3分钟；
3.2、辊距调至0.5mm，前后薄通五次。
（4）、压延
将热炼后氯醚橡胶放在压延机上，以尼龙为骨架材料，制的厚度为0.35mm厚度的防护胶布。
（5）、硫化
采用硫化罐电加热间接硫化的方式，130℃硫化90分钟即可。
采用上述方法制地的防护胶布性能如下：
Figure DEST_PATH_IMAGE001
本发明将氯醚橡胶应用于防护胶布的制备方法，与国内外现有技术相比，本发明胶布可在不使用卤化阻燃剂的情况下，同时兼顾防毒、阻燃及耐低温的性能要求。
具体实施方式
下面对本发明的具体实施例进行详细说明。
实施例1
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶 100份，四氧化三铅 5份，NA-22 1.5份，硬脂酸锌 1份，氧化镁 1.5份，防老剂NBC 1份，防老剂MB 0.1份，快压出炭黑 15份，陶土 20份，三氧化二铝 10份。
上述防毒阻燃氯醚橡胶防护胶布的制备方法，包括如下步骤：
（1）、混炼Ⅰ过程
混炼胶料采用XK-160mm 开放式炼胶机，滚筒速比为1:1.25，混炼时前辊辊温为50~60℃，后辊辊温为60~70℃；混炼工艺如下：
1.1、辊距调至0.8mm，加入氯醚橡胶，令其包前辊；
1.2、加入硬脂酸锌、氧化镁进行混炼，2~3分钟；
1.3、加入防老剂MB、防老剂NBC进行混炼，1~2分钟；
1.4、加入一半快压出炭黑、陶土、三氧化二铝混炼均匀，10~15分钟；
1.5、辊距调至1.2mm，加入剩下一半快压出炭黑、陶土、三氧化二铝，混炼均匀，10~15分钟，每边割刀四次，混炼均匀；
1.6、最后辊距调至所需厚度，出片，冷却；
（2）、过滤过程
将胶料在100℃下，采用120目筛网在挤出机上进行过滤；
（3）、混炼Ⅱ过程
3.1、辊距调至1.5mm，加入四氧化三铅、NA-22，2~3分钟；
3.2、辊距调至0.5mm，前后薄通五次；
（4）、压延
将热炼后氯醚橡胶放在压延机上，以尼龙为骨架材料，制的厚度为0.35mm厚度的防护胶布；
（5）、硫化
采用硫化罐电加热间接硫化的方式，130℃硫化90分钟即可。
实施例2
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶 500份，四氧化三铅 23份，NA-22 8份，硬脂酸锌 5份，氧化镁 10份，防老剂NBC 6份，防老剂MB 0.5份，快压出炭黑 80份，陶土 100份，三氧化二铝 50份。
上述防毒阻燃氯醚橡胶防护胶布的制备方法同实施例1。
实施例3
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶 400份，四氧化三铅 20份，NA-22 8份，硬脂酸锌 5份，氧化镁 8份，防老剂NBC 6份，防老剂MB 0.4份，快压出炭黑 80份，陶土 100份，三氧化二铝 70份。
上述防毒阻燃氯醚橡胶防护胶布的制备方法同实施例1。
实施例4
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶 500份，四氧化三铅 22份，NA-22 10份，硬脂酸锌 5份，氧化镁 10份，防老剂NBC 6份，防老剂MB 1份，快压出炭黑 100份，陶土 100份，三氧化二铝 60份。
上述防毒阻燃氯醚橡胶防护胶布的制备方法同实施例1。
实施例5
一种防毒阻燃氯醚橡胶防护胶布，以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶 1000份，四氧化三铅 50份，NA-22 20份，硬脂酸锌 10份，氧化镁 15份，防老剂NBC 12份，防老剂MB 1份，快压出炭黑 150份，陶土 200份，三氧化二铝 100份。
上述防毒阻燃氯醚橡胶防护胶布的制备方法同实施例1。
实施例6
对上述1-5实施例进行性能测试，结果如下：
Figure 396420DEST_PATH_IMAGE002
以上实施例仅用于说明本发明的技术方案而非限制，尽管参照较佳实例对本发明进行了详细描述，本领域技术人员应当理解，可以借鉴本发明的技术方案进行修改或等同替换，而不脱离本发明的范围，都应被视为包括在本发明的权利要求范围之内。

Claims (2)

1.一种防毒阻燃氯醚橡胶防护胶布，其特征在于：以尼龙为骨架材料覆盖有氯醚橡胶组合物，所述氯醚橡胶组合物包括如下重量份原料：氯醚橡胶100份，四氧化三铅3~8份，NA-22 0.5~2份，硬脂酸锌0.5~1.5份，氧化镁1.5~3份，防老剂NBC 1.1~2份，防老剂MB 0.1~1份，快压出炭黑15~30份，陶土20~30份，三氧化二铝10~50份。
2.一种防毒阻燃氯醚橡胶防护胶布的制备方法，其特征在于：包括如下步骤：
（1）、混炼Ⅰ过程
混炼胶料采用XK-160mm 开放式炼胶机，滚筒速比为1:1.25，混炼时前辊辊温为50~60℃，后辊辊温为60~70℃；混炼工艺如下：
1.1、辊距调至0.8mm，加入氯醚橡胶，令其包前辊；
1.2、加入硬脂酸锌、氧化镁进行混炼，2~3分钟；
1.3、加入防老剂MB、防老剂NBC进行混炼，1~2分钟；
1.4、加入一半快压出炭黑、陶土、三氧化二铝混炼均匀，10~15分钟；
1.5、辊距调至1.2mm，加入剩下一半快压出炭黑、陶土、三氧化二铝，混炼均匀，10~15分钟，每边割刀四次，混炼均匀；
1.6、最后辊距调至所需厚度，出片，冷却；
（2）、过滤过程
将胶料在100℃下，采用120目筛网在挤出机上进行过滤；
（3）、混炼Ⅱ过程
3.1、辊距调至1.5mm，加入四氧化三铅、NA-22，2~3分钟；
3.2、辊距调至0.5mm，前后薄通五次；
（4）、压延
将热炼后氯醚橡胶放在压延机上，以尼龙为骨架材料，制的厚度为0.35mm厚度的防护胶布；
（5）、硫化
采用硫化罐电加热间接硫化的方式，130℃硫化90分钟即可。
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CN101245180A (zh) * 2008-03-17 2008-08-20 沈阳化工学院 一种无铅、无镍氯醚橡胶胶料
CN101845161A (zh) * 2010-05-26 2010-09-29 江苏五洲电磁线有限公司 一种交联聚烯烃混合物橡胶的混炼时的投料方法
CN105793343A (zh) * 2013-11-12 2016-07-20 罗宾逊兄弟有限公司 促进剂组合物和方法
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