CN104354406A - 一种充电桩板材及其制备方法 - Google Patents
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Abstract
本发明公开了一种充电桩板材及其制备方法,按重量百分比,包括:连续纤维50-80%,聚氨酯树脂20-40%,添加剂0-15%,固化剂1-10%。连续纤维采用玄武岩纤维、玻璃纤维、碳纤维中的一种或两种,连续纤维的形式包括长纤维,纤维毡或纤维编织布,添加剂为碳酸钙,固化剂为六氢苯二甲酸酐、双丙酮丙烯酰胺中的一种。本发明具有耐腐蚀性、耐候性、防水性好等优点。
Description
技术领域
本发明涉及一种充电桩板材及其制备方法,应用于充电桩的加工领域。
背景技术
随着国家节能减排、低碳生活的提出,电动车得到大力推广,电动汽车是以车载电源为动力,用电机驱动车轮行驶,本身不排放二氧化碳,没有尾气污染,可有效减少环境污染,但如何给电动车充电是一个重要的课题,充电桩可以有效解决充电难的问题。
充电桩能够快速地对汽车充电,也可以在电价较低的夜晚对电动车充电,充电桩一般放置在室外,极易被空气和水腐蚀,但是,现有的充电桩板材的防水以及耐腐蚀性不好,这就比较容易导致漏电、触电事故发生,另外,现有的充电桩板材的耐温和耐候性也不好,充电桩由于经常受到阳光的暴晒,很容易导致充电桩温度过高,使内部的电子元器件引起烧毁或者性能丧失。
发明内容
为解决现有技术方案的缺陷,本发明公开了一种耐高温、耐候性好、防水、绝缘性好的充电桩板材及其制备方法。
本发明公开了一种充电桩板材及其制备方法,按重量百分比,包括:连续纤维50-80%,聚氨酯树脂20-40%,添加剂0-15%,固化剂1-10%。
所述的连续纤维采用玄武岩纤维、玻璃纤维、碳纤维中的一种或两种,所述的连续纤维的形式包括长纤维,纤维毡或纤维编织布,所述的添加剂为碳酸钙,所述的固化剂为六氢苯二甲酸酐、双丙酮丙烯酰胺中的一种。
本发明所述的一种充电桩板材的制备步骤如下:
步骤一:按照上述重量百分比将聚氨酯树脂、添加剂和固化剂在树脂槽中混合均匀,形成胶体溶液;
步骤二:将连续纤维从纱架上的连续纤维卷中引出并展开,再依次经过张力调节装置、预加热装置后得到预热的连续纤维带,预加热温度为200℃;
步骤三:在浸渍装置以及浸渍压延辊组中加入步骤一制得的胶体溶液,将预热的连续纤维带在浸渍装置中进行预浸渍,将预浸渍后的连续纤维带导入浸渍压延辊组进行浸渍,浸渍温度为200℃,然后经冷却辊压装置冷却定型,冷却辊压压力为3-5 MPa,最后导入牵引卷绕装置卷绕成型,即得到连续纤维预浸带,其厚度为0. 3mm;
步骤四:将5-10层连续纤维预浸带通过铺平装置铺放在平板上,经过冷热平板热压装置,先经过热压装置压制成型,压力为3-5 MPa,加热温度范围为200-300℃,热压5-10 min,再经过冷压装置定型,压力为3-5 MPa,冷压5-10 min,得到充电桩板材。
玄武岩纤维:是以天然的火山喷出岩作为原料,将其破碎后加入熔窑中,经过1450~1500℃高温熔融后,通过铂铑合金拉丝漏板快速拉制而成的几万米不断头的连续纤维,具有显著的抗热振稳定性、较低的吸湿性、突出的弹性模量和拉伸强度、突出的化学稳定性、良好的电绝缘性能和介电性能,是天然的绿色材料。
玻璃纤维:玻璃纤维是一种性能优异的无机非金属材料,为无机纤维,具有拉伸强度高、弹性系数高、刚性佳、吸收冲击能量大、具不燃性,耐化学性佳、吸水性小、耐热性均佳等优点。
碳纤维:碳纤维是含碳量高于90%的无机高分子纤维,碳纤维的轴向强度和模量高,无蠕变,耐疲劳性好,比热及导电性介于非金属和金属之间,热膨胀系数小,耐腐蚀性好,纤维的密度低,X射线透过性好。
聚氨酯树脂:聚氨酯树脂的力学性能具有很大的可调性,通过控制结晶的硬段和不结晶的软段之间的比例,聚氨酯树脂可以获得不同的力学性能, 因此其制品具有耐磨、耐温、密封、隔音、加工性能好、可降解、抗多种酸碱腐蚀等优异性能。
综上,由于连续纤维采用玄武岩纤维、玻璃纤维、碳纤维中的一种或两种,且在步骤三中,在浸渍装置以及浸渍压延辊组中加入步骤一制得的的胶体溶液中含有聚氨酯树脂,将连续纤维带在浸渍装置中进行预浸渍,以及将预浸渍后的连续纤维带导入浸渍压延辊组进行浸渍,可以进一步显著提高连续纤维的防水、防腐蚀、耐高温以及耐候性能,因此通过步骤四将若干层的连续纤维预浸带通过铺平装置铺放在平板上,在冷热平板热压装置的作用下得到的充电桩板材,不仅防水、绝缘性能好,有效的避免了漏电、触电事故发生的缺陷,而且耐候、耐腐蚀性、耐高温性能的提高,也避免了因充电桩板材温度过高,使内部电子元器件引起烧毁或者性能丧失的缺陷。
具体实施方式
本发明公开了一种充电桩板材及其制备方法,按重量百分比,包括:连续纤维50-80%,聚氨酯树脂20-40%,添加剂0-15%,固化剂1-10%。
所述的连续纤维采用玄武岩纤维、玻璃纤维、碳纤维中的一种或两种,所述的连续纤维的形式包括长纤维,纤维毡或纤维编织布,所述的添加剂为碳酸钙,所述的固化剂为六氢苯二甲酸酐、双丙酮丙烯酰胺中的一种。
本发明所述的一种充电桩板材的制备步骤如下:
步骤一:按照上述重量百分比将聚氨酯树脂、添加剂和固化剂在树脂槽中混合均匀,形成胶体溶液;
步骤二:将连续纤维从纱架上的连续纤维卷中引出并展开,再依次经过张力调节装置、预加热装置后得到预热的连续纤维带,预加热温度为200℃;
步骤三:在浸渍装置以及浸渍压延辊组中加入步骤一制得的胶体溶液,将预热的连续纤维带在浸渍装置中进行预浸渍,将预浸渍后的连续纤维带导入浸渍压延辊组进行浸渍,浸渍温度为200℃,然后经冷却辊压装置冷却定型,冷却辊压压力为3-5 MPa,最后导入牵引卷绕装置卷绕成型,即得到连续纤维预浸带,其厚度为0. 3mm;
步骤四:将5-10层连续纤维预浸带通过铺平装置铺放在平板上,经过冷热平板热压装置,先经过热压装置压制成型,压力为3-5 MPa,加热温度范围为200-300℃,热压5-10 min,再经过冷压装置定型,压力为3-5 MPa,冷压5-10 min,得到充电桩板材。
实施例1
步骤一:按重量百分比,将30%聚氨酯树脂、5%碳酸钙和10%六氢苯二甲酸酐在树脂槽中混合均匀,形成胶体溶液;
步骤二:将60%玄武岩纤维从纱架上的玄武岩纤维卷中引出并展开,再依次经过张力调节装置、预加热装置后得到预热的连续纤维带,预加热温度为200℃;
步骤三:在浸渍装置以及浸渍压延辊组中加入步骤一制得的胶体溶液,将预热的玄武岩纤维带在浸渍装置中进行预浸渍,将预浸渍后的玄武岩纤维带导入浸渍压延辊组进行浸渍,浸渍温度为200℃,然后经冷却辊压装置冷却定型,冷却辊压压力为4 MPa,最后导入牵引卷绕装置卷绕成型,即得到玄武岩纤维预浸带,其厚度为0. 3mm;
步骤四:将8层玄武岩纤维预浸带通过铺平装置铺放在平板上,经过冷热平板热压装置,先经过热压装置压制成型,压力为3 MPa,加热温度范围为200℃,热压8min,再经过冷压装置定型,压力为3 MPa,冷压8 min,得到充电桩板材。
实施例2
步骤一:按重量百分比,将20%聚氨酯树脂、10%碳酸钙和5%双丙酮丙烯酰胺在树脂槽中混合均匀,形成胶体溶液;
步骤二:将65%玻璃纤维从纱架上的玻璃纤维卷中引出并展开,再依次经过张力调节装置、预加热装置后得到预热的连续纤维带,预加热温度为200℃;
步骤三:在浸渍装置以及浸渍压延辊组中加入步骤一制得的胶体溶液,将预热的玻璃纤维带在浸渍装置中进行预浸渍,将预浸渍后的玻璃纤维带导入浸渍压延辊组进行浸渍,浸渍温度为200℃,然后经冷却辊压装置冷却定型,冷却辊压压力为4 MPa,最后导入牵引卷绕装置卷绕成型,即得到玻璃纤维预浸带,其厚度为0. 3mm;
步骤四:将6层玻璃纤维预浸带通过铺平装置铺放在平板上,经过冷热平板热压装置,先经过热压装置压制成型,压力为3 MPa,加热温度范围为200℃,热压8min,再经过冷压装置定型,压力为3 MPa,冷压8 min,得到充电桩板材。
最后应说明的是:以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案;因此,尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明,但是,本领域的普通技术人员应当理解,仍然可以对本发明进行修改或等同替换;而一切不脱离本发明的精神和范围的技术方案及其改进,其均应涵盖在本发明的权利要求范围中。
Claims (3)
1.一种充电桩板材及其制备方法,按重量百分比,其特征在于:包括:连续纤维50-80%,聚氨酯树脂20-40%,添加剂0-15%,固化剂1-10%。
2.根据权利要求1所述的一种充电桩板材,其特征在于:所述的连续纤维采用玄武岩纤维、玻璃纤维、碳纤维中的一种或两种,所述的连续纤维的形式包括长纤维,纤维毡或纤维编织布,所述的添加剂为碳酸钙,所述的固化剂为六氢苯二甲酸酐、双丙酮丙烯酰胺中的一种。
3.根据权利要求1或2所述的一种充电桩板材,其特征在于:制备步骤如下:
步骤一:按照上述重量百分比将聚氨酯树脂、添加剂和固化剂在树脂槽中混合均匀,形成胶体溶液;
步骤二:将连续纤维从纱架上的连续纤维卷中引出并展开,再依次经过张力调节装置、预加热装置后得到预热的连续纤维带,预加热温度为200℃;
步骤三:在浸渍装置以及浸渍压延辊组中加入步骤一制得的胶体溶液,将预热的连续纤维带在浸渍装置中进行预浸渍,将预浸渍后的连续纤维带导入浸渍压延辊组进行浸渍,浸渍温度为200℃,然后经冷却辊压装置冷却定型,冷却辊压压力为3-5 MPa,最后导入牵引卷绕装置卷绕成型,即得到连续纤维预浸带,其厚度为0. 3mm;
步骤四:将5-10层连续纤维预浸带通过铺平装置铺放在平板上,经过冷热平板热压装置,先经过热压装置压制成型,压力为3-5 MPa,加热温度范围为200-300℃,热压5-10 min,再经过冷压装置定型,压力为3-5 MPa,冷压5-10 min,得到充电桩板材。
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| CN104877334A (zh) * | 2015-06-01 | 2015-09-02 | 蚌埠市蚌风风机有限公司 | 一种风机用板材及其制备方法 |
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