CN111876875A - 单面瓦楞纸板粘合压纸耐高温皮带 - Google Patents

单面瓦楞纸板粘合压纸耐高温皮带 Download PDF

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CN111876875A
CN111876875A CN202010634065.7A CN202010634065A CN111876875A CN 111876875 A CN111876875 A CN 111876875A CN 202010634065 A CN202010634065 A CN 202010634065A CN 111876875 A CN111876875 A CN 111876875A
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胡金龙
覃旺
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Andes Intelligent Technology Guangdong Co ltd
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Abstract

本发明提供了一种单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：(1)预热处理：将具有耐高温性能的纱线在温度为120‑150℃，压力为3MPa，湿度为95％‑96％的条件下，热处理1.5‑2h；其中，纱线包括相互捻合的特氟龙纤维和PBO纤维；(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；(3)编织成品：将步骤(2)所得经线经编成厚度为10‑12mm厚的皮带，重量为6.5‑7.0kg/m2，即为所得。本发明中，特氟龙纤维与PBO纤维相互捻合而成纱线，以此使得由纱线编织而成的皮带具有良好的耐高温、耐热和阻燃性能，有利于延长皮带在高温高热条件下的使用寿命。

Description

单面瓦楞纸板粘合压纸耐高温皮带
技术领域
本发明涉及皮带技术领域，具体涉及单面瓦楞纸板粘合压纸耐高温皮带。
背景技术
瓦楞纸板输送带无疑是瓦楞纸板生产线最重要的部件之一，它的品质高低对瓦楞纸板的质量具有决定性的影响，向来倍受纸箱厂和瓦线制造厂的关注。
从结构上看，瓦楞纸板生产线干部使用的输送带有两种：一种是棉织带，它是由多层棉纱、化纤混纺，经织造机编织而成，具有单位面积重量大、表面凹凸不平、摩擦系数大等缺点。另一种是针刺带，它是以聚酯纤维、人造棉为基本原料，由针刺机多道工序加工而成，具有表面平整、厚度均匀、无压痕等诸多优点，因而越来越受广大用户的青睐。
现有技术中的瓦楞纸板输送带，普遍具有以下问题：瓦楞纸板输送带通常由纱线制成，因瓦楞纸板输送带持续在高温高热的工作环境下运行，纱线具有一定的缩水性，使得输送带的尺寸不够稳定，现有技术中通常将纱线纺织成输送带后，再经过高温高压热处理，使输送带收缩，但在实际使用老款输送带时，输送带会再次收缩，不利于瓦楞纸板输送带在高温高热条件下长期使用。
发明内容
针对现有技术中存在的问题，本发明提供了单面瓦楞纸板粘合压纸耐高温皮带，制得的皮带具有良好的耐高温耐热性能，以此便于瓦楞纸板输送带在高温高热条件下长期使用。
为实现以上目的，本发明通过以下技术方案予以实现：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为120-150℃，压力为3MPa，湿度为95％-96％的条件下，热处理1.5-2h；
其中，纱线包括相互捻合的特氟龙纤维和PBO纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为10-12mm厚的皮带，重量为6.5-7.0kg/m2，即为所得。
优选的，所述纱线还包括蜜胺纤维、碳纤维、芳纶纤维、石棉纤维，所述特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维相互捻合，得具有耐高温性能的纱线。
优选的，在制得皮带后，采用浸泡液将皮带浸泡2-3天，随后取出皮带并烘干；
其中，浸泡液的制备方法为：按比例称取水溶性炭黑、高岭土、石墨烯、十二烷基苯磺酸钠、双氧水、水，采用双氧水对石墨烯进行预氧化处理，然后采用质量分数为1％的十二烷基苯磺酸钠溶液对预氧化处理后的石墨烯进行表面活化处理，随后将活化处理后的石墨烯与水溶性炭黑、高岭土和水进行混合，搅拌均匀，制得浸泡液。
优选的，烘干皮带时的温度为45-50℃。
优选的，所述浸泡液由如下重量份数的原料制成：水溶性炭黑5-10份、高岭土5-10份、石墨烯3-7份、十二烷基苯磺酸钠0.5-1.5份、双氧水2-5份、水20-30份。
优选的，在制备浸泡液的过程中，搅拌速度为600-800r/min。
优选的，所述浸泡液由如下重量份数的原料制成：水溶性炭黑7份、高岭土7份、石墨烯5份、十二烷基苯磺酸钠1份、双氧水3.5份、水25份。
本发明的有益效果为：
(1)特氟龙为聚四氟乙烯，具有抗酸抗碱、抗有机溶剂、耐高温、摩擦系数低等特点；PBO纤维的耐热温度达到600℃，极限氧指数68，在火焰中不燃烧、不收缩，耐热性和难燃性高于其它任何一种有机纤维，特氟龙纤维与PBO纤维相互捻合而成纱线，以此使得由纱线编织而成的皮带具有良好的耐高温、耐热和阻燃性能，有利于延长皮带在高温高热条件下的使用寿命。
(2)蜜胺纤维是一种难燃的、耐高温、吸水性好、染色性好的高性能特种纤维；碳纤维具有高硬度、高强度、重量轻、高耐化学性、耐高温的特性；芳纶纤维具有高强度、高模量和耐高温、耐酸耐碱、重量轻绝缘、抗老化、生命周期长等优良性能，其强度是钢丝的5～6倍，韧性是钢丝的2倍，而重量仅为钢丝的1/5左右，在560度的温度下，不分解、不融化、阻燃；石棉纤维具有耐热、不燃、耐水、耐酸、耐化学腐蚀等特性，由特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维相互捻合而成的纱线具有耐高温、耐热和阻燃性能等优良特性，以此使得皮带在高温高热条件下的使用寿命得以进一步延长。
(3)石墨烯具有强度高、结构稳定等优点，但石墨烯比表面积高，易团聚；采用双氧水对石墨烯进行改性处理，改性石墨烯的硬度增大、压缩回弹性能提高；采用十二烷基苯磺酸钠对经双氧水处理的石墨烯进行表面活化，可以有效改善石墨烯的团聚现象，有利于石墨烯在体系中均匀分散。改性后的石墨烯与特氟龙配合，有利于增强聚特氟龙的机械力学性能，使得皮带的抗拉强度、抗裂性、抗蠕变松弛性能均得以提升。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例，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作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1：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为120℃，压力为3MPa，湿度为96％的条件下，热处理1.5h；
其中，纱线包括相互捻合的特氟龙纤维和PBO纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为12mm厚的皮带，重量为6.5kg/m2，即为所得。
实施例2：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为150℃，压力为3MPa，湿度为95％的条件下，热处理2h；
其中，纱线包括相互捻合的特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为10mm厚的皮带，重量为7.0kg/m2，即为所得。
实施例3：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为135℃，压力为3MPa，湿度为95.5％的条件下，热处理1.75h；
其中，纱线包括相互捻合的特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为11mm厚的皮带，重量为6.75kg/m2，即为所得；
(4)浸泡：按比例称取水溶性炭黑7份、高岭土7份、石墨烯5份、十二烷基苯磺酸钠1份、双氧水3.5份、水25份，采用双氧水对石墨烯进行预氧化处理，然后采用质量分数为1％的十二烷基苯磺酸钠溶液对预氧化处理后的石墨烯进行表面活化处理，随后将活化处理后的石墨烯与水溶性炭黑、高岭土和水进行混合，以700r/min的转速搅拌均匀，制得浸泡液，采用浸泡液将步骤(3)所得皮带浸泡2.5天，随后取出皮带并在47.5℃的环境下烘干。
实施例4：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为150℃，压力为3MPa，湿度为95％的条件下，热处理2h；
其中，纱线包括相互捻合的特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为12mm厚的皮带，重量为6.5kg/m2，即为所得；
(4)浸泡：按比例称取水溶性炭黑5份、高岭土5份、石墨烯7份、十二烷基苯磺酸钠1.5份、双氧水2份、水20份，采用双氧水对石墨烯进行预氧化处理，然后采用质量分数为1％的十二烷基苯磺酸钠溶液对预氧化处理后的石墨烯进行表面活化处理，随后将活化处理后的石墨烯与水溶性炭黑、高岭土和水进行混合，以800r/min的转速搅拌均匀，制得浸泡液，采用浸泡液将步骤(3)所得皮带浸泡3天，随后取出皮带并在45℃的环境下烘干。
实施例5：
单面瓦楞纸板粘合压纸耐高温皮带，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为150℃，压力为3MPa，湿度为96％的条件下，热处理1.5h；
其中，纱线包括相互捻合的特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为10mm厚的皮带，重量为7.0kg/m2，即为所得；
(4)浸泡：按比例称取水溶性炭黑10份、高岭土10份、石墨烯3份、十二烷基苯磺酸钠0.5份、双氧水5份、水30份，采用双氧水对石墨烯进行预氧化处理，然后采用质量分数为1％的十二烷基苯磺酸钠溶液对预氧化处理后的石墨烯进行表面活化处理，随后将活化处理后的石墨烯与水溶性炭黑、高岭土和水进行混合，以600r/min的转速搅拌均匀，制得浸泡液，采用浸泡液将步骤(3)所得皮带浸泡2天，随后取出皮带并在50℃的环境下烘干。
对比例1
本对比例与实施例5相比，区别在于未添加特氟龙纤维。
对比例2
本对比例与实施例5相比，区别在于未添加PBO纤维。
对比例3
本对比例与实施例5相比，区别在于未添加石墨烯。
对比例4
本对比例与实施例5相比，区别在于未添加双氧水。
对比例5
本对比例与实施例5相比，区别在于未添加十二烷基苯磺酸钠。
实验检测：按照《BB/T 0022-2004瓦楞纸板输送带》检测标准，对实施例1-5、对比例1-5中所得皮带进行性能检测，测定皮带的抗拉强度、耐热性、经向动摩擦系数和透气度，检测结果见表1。
表1实施例1-5、对比例1-5中所得皮带的性能检测结果
Figure BDA0002567214660000071
Figure BDA0002567214660000081
综上所述，特氟龙为聚四氟乙烯，具有抗酸抗碱、抗有机溶剂、耐高温、摩擦系数低等特点；PBO纤维的耐热温度达到600℃，极限氧指数68，在火焰中不燃烧、不收缩，耐热性和难燃性高于其它任何一种有机纤维，特氟龙纤维与PBO纤维相互捻合而成纱线，以此使得由纱线编织而成的皮带具有良好的耐高温、耐热和阻燃性能，有利于延长皮带在高温高热条件下的使用寿命。由特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维相互捻合而成的纱线具有耐高温、耐热和阻燃性能等优良特性，以此使得皮带在高温高热条件下的使用寿命得以进一步延长。石墨烯具有强度高、结构稳定等优点，但石墨烯比表面积高，易团聚；采用双氧水对石墨烯进行改性处理，改性石墨烯的硬度增大、压缩回弹性能提高；采用十二烷基苯磺酸钠对经双氧水处理的石墨烯进行表面活化，可以有效改善石墨烯的团聚现象，有利于石墨烯在体系中均匀分散。改性后的石墨烯与特氟龙配合，有利于增强聚特氟龙的机械力学性能，使得皮带的抗拉强度、抗裂性、抗蠕变松弛性能均得以提升。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：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；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (7)

1.一种单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，该皮带的制备工艺包括如下几个步骤：
(1)预热处理：将具有耐高温性能的纱线在温度为120-150℃，压力为3MPa，湿度为95％-96％的条件下，热处理1.5-2h；
其中，纱线包括相互捻合的特氟龙纤维和PBO纤维；
(2)捻合：将经过步骤(1)热处理的纱线合并成单捻的经线；
(3)编织成品：将步骤(2)所得经线经编成厚度为10-12mm厚的皮带，重量为6.5-7.0kg/m2，即为所得。
2.根据权利要求1所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，所述纱线还包括蜜胺纤维、碳纤维、芳纶纤维、石棉纤维，所述特氟龙纤维、PBO纤维、蜜胺纤维、碳纤维、芳纶纤维和石棉纤维相互捻合，得具有耐高温性能的纱线。
3.根据权利要求2所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，在制得皮带后，采用浸泡液将皮带浸泡2-3天，随后取出皮带并烘干；
其中，浸泡液的制备方法为：按比例称取水溶性炭黑、高岭土、石墨烯、十二烷基苯磺酸钠、双氧水、水，采用双氧水对石墨烯进行预氧化处理，然后采用质量分数为1％的十二烷基苯磺酸钠溶液对预氧化处理后的石墨烯进行表面活化处理，随后将活化处理后的石墨烯与水溶性炭黑、高岭土和水进行混合，搅拌均匀，制得浸泡液。
4.根据权利要求3所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，烘干皮带时的温度为45-50℃。
5.根据权利要求3所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，所述浸泡液由如下重量份数的原料制成：水溶性炭黑5-10份、高岭土5-10份、石墨烯3-7份、十二烷基苯磺酸钠0.5-1.5份、双氧水2-5份、水20-30份。
6.根据权利要求3所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，在制备浸泡液的过程中，搅拌速度为600-800r/min。
7.根据权利要求5所述的单面瓦楞纸板粘合压纸耐高温皮带，其特征在于，所述浸泡液由如下重量份数的原料制成：水溶性炭黑7份、高岭土7份、石墨烯5份、十二烷基苯磺酸钠1份、双氧水3.5份、水25份。
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