CN109054668A - 一种阻燃防腐绝缘胶带 - Google Patents

一种阻燃防腐绝缘胶带 Download PDF

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CN109054668A
CN109054668A CN201810907082.6A CN201810907082A CN109054668A CN 109054668 A CN109054668 A CN 109054668A CN 201810907082 A CN201810907082 A CN 201810907082A CN 109054668 A CN109054668 A CN 109054668A
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王文朝
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Funan County Wei Wei Packing Material Co Ltd
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Abstract

本发明涉及胶带生产技术领域，具体涉及一种阻燃防腐绝缘胶带。所述阻燃防腐绝缘胶带由改性聚氯乙烯基膜和粘胶剂层组成，所述粘胶剂层组分按重量份数计，包括：丁腈橡胶、氯醋树脂、氯丁橡胶、松香树脂、醋酸乙脂、石墨微粉、二甲基二甲氧基硅烷、硬脂酸、二苯基硅二醇、抗氧剂、无机填料。该胶带粘结力和致密性好，具有很好的拉伸强度、剥离强度、抗化学腐蚀、霉菌腐蚀和抗氧化性、防火阻燃，其中胶黏层能够起到防水的作用，绝缘性更好。

Description

一种阻燃防腐绝缘胶带
技术领域
本发明属于胶带制造领域，具体涉及一种阻燃防腐绝缘胶带。
背景技术
众所周知，我国目前对能源的需求量随着经济的发展快速增长，天然气、石油的输送管道已经大量长距离铺设，沿途环境条件复杂多变，对管道的要求和防护要求相当高，这就为我们常规的输送管道的防腐工程提出了很高的标准。目前国内管道防腐多采用环氧沥青，沥青的施工和防护均难以达到工程质量的要求，且均匀性、密封性差。
聚氯乙烯可有效地抵抗由于土壤应力而产生的蠕变破坏，经老化试验检测证明其耐蚀寿命达50年以上。具有施工简便、抗冲击、耐老化、耐拉伸、耐紫外线辐射、粘结强度高等特性。本领域技术人员，亟待开发出新的阻燃防腐绝缘胶带，降低成本，以满足更高的使用需求。
发明内容
本发明的目的是针对现有的问题，提供了一种阻燃防腐绝缘胶带。
一种阻燃防腐绝缘胶带，由聚氯乙烯基膜和粘胶剂层组成，所述聚氯乙烯膜的厚度为0.2~0.5mm,其中所述粘胶剂层组分按重量份数计，包括：丁腈橡胶30~35份、氯醋树脂10~15份、氯丁橡胶3~10份、松香树脂4~9份、醋酸乙脂2~3份、石墨微粉8~9份、二甲基二甲氧基硅烷9~12份、硬脂酸0.3~0.6份、二苯基硅二醇2~3份、抗氧剂 0.1~0.3份、无机填料11~17份。
进一步的，所述抗氧剂由抗氧剂168、抗氧剂1010、抗氧剂DLTP的混合物。
进一步的，所述无机填料为硅灰石、碳酸钙和石英粉，三者的重量比为1：2~3：4~5。
进一步的，其中所述的硅灰石的粒径为0.3~2μm，碳酸钙的粒度为1250目，石英粉的粒径为0.2~1μm。
一种阻燃防腐绝缘胶带，其制备方法包括以下步骤：
（1）按照质量配比称取丁腈橡胶30~35份,氯醋树脂10~15份放入密炼机中，温度控制在130~145℃，密炼35分钟，得到橡塑混合物；
（2）按照质量配比称取松香树脂4~9份，醋酸乙脂2~3份，石墨微粉8~9份，二甲基二甲氧基硅烷9~12份,将松香树脂，醋酸乙脂，石墨微粉先一起放入搅拌机中，在 50℃的温度下进行搅拌20min，后将二甲基二甲氧基硅烷投入到搅拌机中，搅拌均匀，得到石墨微粉混胶物；
（3）按照质量配比称取氯丁橡胶3~10份、硬脂酸0.3~0.6份、二苯基硅二醇2~3份、抗氧剂 0.1~0.3份混合均匀，加入密炼机中，升温至125~130℃，再加入石墨微粉混胶物和橡塑混合物，密炼45~ 60min后,降温至135~140℃，再加入无机填料11~17份，充分混合均匀，反应30~45min,将混合物在挤出机中挤出，得到胶层材料；
(4)将步骤（3）中制备的胶层材料在熔化状态下，通过自动涂布机涂布在聚氯乙烯基膜上，涂胶量为8~10g/m³，制得阻燃防腐胶带。
本发明的有益效果：
本发明以合理的配方，适宜的生产工艺基础上，提供了一种聚氯乙烯防腐胶带，该胶带粘结力和致密性好，具有很好的剥离强度、抗化学腐蚀、抗霉菌腐蚀和抗氧化性；本发明的聚氯乙烯防腐胶带能够广泛的用于各种管道的防腐修复上，可延长管道使用寿命和降低成本。本发明使用的聚氯乙烯防腐胶带的制备方法，操作简单，精密度高，重现性好。
本发明相比现有技术具有以下优点：
本发明公开的阻燃防腐绝缘胶带具有施工简便、抗冲击、耐老化、耐拉伸、耐紫外线辐射、粘结强度高等特性。本发明公开的阻燃防腐绝缘胶带基材为改性聚氯乙烯膜材，采用复合材料作胶黏层。共混改性胶黏剂和耐腐蚀PVC基材可有效地抵抗由于土壤应力而产生的蠕变破坏，是管道冷防腐施工胶带、电线电缆防腐实施中的适宜选择，经济实惠，可靠性高。且附带一定的阻燃效果，提高胶带的使用安全效果。
下面用具体实施例说明本发明，但并不是对本发明的限制。
实施例1
一种阻燃防腐绝缘胶带，由聚氯乙烯基膜和粘胶剂层组成，所述聚氯乙烯膜的厚度为0.2~0.5mm,其中所述粘胶剂层组分按重量份数计，包括：丁腈橡胶33份、氯醋树脂13份、氯丁橡胶7份、松香树脂7份、醋酸乙脂3份、石墨微粉9份、二甲基二甲氧基硅烷9份、硬脂酸0.5份、二苯基硅二醇2.5份、抗氧剂0.2份、无机填料15份。
进一步的，所述抗氧剂由抗氧剂168、抗氧剂1010、抗氧剂DLTP的混合物。
进一步的，所述无机填料为硅灰石、碳酸钙和石英粉，三者的重量比为1：2~3：4~5。
进一步的，其中所述的硅灰石的粒径为0.3~2μm，碳酸钙的粒度为1250目，石英粉的粒径为0.2~1μm。
一种阻燃防腐绝缘胶带，其制备方法包括以下步骤：
（1）按照质量配比称取丁腈橡胶33份,氯醋树脂13份放入密炼机中，温度控制在 130~145℃，密炼35分钟，得到橡塑混合物；
（2）按照质量配比称取松香树脂7份，醋酸乙脂3份，石墨微粉9份，二甲基二甲氧基硅烷9份,将松香树脂，醋酸乙脂，石墨微粉先一起放入搅拌机中，在 50℃的温度下进行搅拌20min，后将二甲基二甲氧基硅烷投入到搅拌机中，搅拌均匀，得到石墨微粉混胶物；
（3）按照质量配比称取氯丁橡胶7份、硬脂酸0.5份、二苯基硅二醇2.5份、抗氧剂0.2份混合均匀，加入密炼机中，升温至130℃，再加入石墨微粉混胶物和橡塑混合物，密炼60min后,降温至140℃，再加入无机填料15份，充分混合均匀，反应30~45min,将混合物在挤出机中挤出，得到胶层材料；
(4)将步骤（3）中制备的胶层材料在熔化状态下，通过自动涂布机涂布在聚氯乙烯基膜上，涂胶量为8~10g/m³，制得阻燃防腐胶带。
实施例2
一种阻燃防腐绝缘胶带，由聚氯乙烯基膜和粘胶剂层组成，所述聚氯乙烯膜的厚度为0.2~0.5mm,其中所述粘胶剂层组分按重量份数计，包括：丁腈橡胶30份、氯醋树脂15份、氯丁橡胶10份、松香树脂9份、醋酸乙脂3份、石墨微粉9份、二甲基二甲氧基硅烷10份、硬脂酸0.5份、二苯基硅二醇3份、抗氧剂 0.3份、无机填料17份。
进一步的，所述抗氧剂由抗氧剂168、抗氧剂1010、抗氧剂DLTP的混合物。
进一步的，所述无机填料为硅灰石、碳酸钙和石英粉，三者的重量比为1：2~3：4~5。
进一步的，其中所述的硅灰石的粒径为0.3~2μm，碳酸钙的粒度为1250目，石英粉的粒径为0.2~1μm。
一种阻燃防腐绝缘胶带，其制备方法包括以下步骤：
（1）按照质量配比称取丁腈橡胶30份,氯醋树脂15份放入密炼机中，温度控制在 130~145℃，密炼35分钟，得到橡塑混合物；
（2）按照质量配比称取松香树脂9份，醋酸乙脂3份，石墨微粉9份，二甲基二甲氧基硅烷12份,将松香树脂，醋酸乙脂，石墨微粉先一起放入搅拌机中，在 50℃的温度下进行搅拌20min，后将二甲基二甲氧基硅烷投入到搅拌机中，搅拌均匀，得到石墨微粉混胶物；
（3）按照质量配比称取氯丁橡胶10份、硬脂酸0.5份、二苯基硅二醇3份、抗氧剂 0.3份混合均匀，加入密炼机中，升温至130℃，再加入石墨微粉混胶物和橡塑混合物，密炼50min后,降温至140℃，再加入无机填料17份，充分混合均匀，反应40min,将混合物在挤出机中挤出，得到胶层材料；
(4)将步骤（3）中制备的胶层材料在熔化状态下，通过自动涂布机涂布在聚氯乙烯基膜上，涂胶量为9g/m³，制得阻燃防腐胶带。
对比例1
本对比例与实施例2相比，在原料称取步骤中，省去氯醋树脂树脂成分，除此外的方法步骤均相同。
对比例2
本对比例与实施例2相比，在原料称取步骤中，省去氯丁橡胶成分，除此外的方法步骤均相同。
对比例3
本对比例与实施例2相比，在原料称取步骤中，省去二甲基二甲氧基硅烷成分，除此外的方法步骤均相同。
表1实施例和对比例的阻燃防腐绝缘胶带性能对比
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (5)

1.一种阻燃防腐绝缘胶带，其特征在于,所述阻燃防腐绝缘胶带由聚氯乙烯基膜和粘胶剂层组成，所述聚氯乙烯膜的厚度为0.2~0.5mm,其中所述粘胶剂层组分按重量份数计，包括：丁腈橡胶30~35份、氯醋树脂10~15份、氯丁橡胶3~10份、松香树脂4~9份、醋酸乙脂2~3份、石墨微粉8~9份、二甲基二甲氧基硅烷9~12份、硬脂酸0.3~0.6份、二苯基硅二醇2~3份、抗氧剂 0.1~0.3份、无机填料11~17份。
2.根据权利要求1所述的阻燃防腐绝缘胶带，其特征在于，所述抗氧剂由抗氧剂168、抗氧剂1010、抗氧剂DLTP的混合物。
3.根据权利要求1所述的阻燃防腐绝缘胶带，其特征在于，所述无机填料为硅灰石、碳酸钙和石英粉，三者的重量比为1：2~3：4~5。
4.根据权利要求1所述的阻燃防腐绝缘胶带，其特征在于，其中所述的硅灰石的粒径为0.3~2μm，碳酸钙的粒度为1250目，石英粉的粒径为0.2~1μm。
5.根据权利要求1所述的阻燃防腐绝缘胶带，其特征在于，其制备方法包括以下步骤：
（1）按照质量配比称取丁腈橡胶30~35份,氯醋树脂10~15份放入密炼机中，温度控制在130~145℃，密炼35分钟，得到橡塑混合物；
（2）按照质量配比称取松香树脂4~9份，醋酸乙脂2~3份，石墨微粉8~9份，二甲基二甲氧基硅烷9~12份,将松香树脂，醋酸乙脂，石墨微粉先一起放入搅拌机中，在 50℃的温度下进行搅拌20min，后将二甲基二甲氧基硅烷投入到搅拌机中，搅拌均匀，得到石墨微粉混胶物；
（3）按照质量配比称取氯丁橡胶3~10份、硬脂酸0.3~0.6份、二苯基硅二醇2~3份、抗氧剂 0.1~0.3份混合均匀，加入密炼机中，升温至125~130℃，再加入石墨微粉混胶物和橡塑混合物，密炼45~ 60min后,降温至135~140℃，再加入无机填料11~17份，充分混合均匀，反应30~45min,将混合物在挤出机中挤出，得到胶层材料；
(4)将步骤（3）中制备的胶层材料在熔化状态下，通过自动涂布机涂布在聚氯乙烯基膜上，涂胶量为8~10g/m³，制得阻燃防腐胶带。
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