CN112795279A - 一种耐腐蚀复合彩涂板及其制备方法 - Google Patents

一种耐腐蚀复合彩涂板及其制备方法 Download PDF

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CN112795279A
CN112795279A CN202011624066.XA CN202011624066A CN112795279A CN 112795279 A CN112795279 A CN 112795279A CN 202011624066 A CN202011624066 A CN 202011624066A CN 112795279 A CN112795279 A CN 112795279A
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胡联圆
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Abstract

本发明属于彩涂板制造技术领域，公开了一种耐腐蚀复合彩涂板及其制备方法，包括基板，基板的上表面和下表面由外而内依次设有面涂层、底涂层，基板设置镀锌层后进行钝化处理，镀锌层的镀层厚度为10‑15μm；面涂层包括按重量份的以下成分：环氧化聚丁二烯树脂50、乙二胺3‑6、乙炔‑丙烯酸丁酯共聚物20‑22，对笨二甲酸二辛脂1‑3、N‑甲基乙酰胺5‑6、碳化钨6‑8、二氧化钛10‑15，面涂层的厚度为12‑15μm；底涂层包括按重量份的以下成分：聚氨酯树脂50、硼砂19‑20、硅酸钠3、丙烯‑笨乙烯共聚物13‑15、γ‑内酰胺6、六甲基二硅氮烷5，底涂层厚度为8‑10μm；本发明生产效率高，节省了大量的人力，绿色环保，具有良好的隔热效果，使用寿命长，大大提高了彩涂板的耐腐蚀性。

Description

一种耐腐蚀复合彩涂板及其制备方法
技术领域
本发明属于彩涂板制造技术领域，特别是涉及一种耐腐蚀复合彩涂板及其制备方法。
背景技术
彩涂板又称彩钢板，是以冷轧钢板和镀锌钢板为基板，经过表面预处理，以连续的方法涂上涂料，经过烘烤和冷却而制成的产品；彩涂板因其具有轻质、美观和良好的防腐蚀性能，又可以直接加工，彩钢板广泛用于建筑家电和交通运输等行业，对于建筑业主要用于钢结构厂房、机场、库房和冷冻等工业及商业建筑的屋顶墙面和门等，现有的复合彩涂板防腐蚀性能很不理想。
发明内容
为了解决现有技术中所存在的技术问题，本发明提供了一种耐腐蚀复合彩涂板，包括基板，基板的上表面和下表面由外而内依次设有面涂层、底涂层，基板设置镀锌层后进行钝化处理，镀锌层的镀层厚度为10-15μm。
面涂层包括按重量份的以下成分：环氧化聚丁二烯树脂50、乙二胺3-6、乙炔-丙烯酸丁酯共聚物20-22，对笨二甲酸二辛脂1-3、N-甲基乙酰胺5-6、碳化钨6-8、二氧化钛10-15，面涂层的厚度为12-15μm。
底涂层包括按重量份的以下成分：聚氨酯树脂50、硼砂19-20、硅酸钠3、丙烯-笨乙烯共聚物13-15、γ-内酰胺6、六甲基二硅氮烷5，底涂层厚度为8-10μm。
一种耐腐蚀复合彩涂板的制备方法，包括以下步骤：将基板进行镀锌处理；将经过镀锌处理后的基板置于彩涂线上，进行脱脂和漂洗处理，脱脂工序为2次，漂洗工序为2次；将经过脱脂漂洗处理后的基板进行双面钝化处理，在经过双面钝化处理后的基板上涂上底涂层，进行初涂固化和强制冷却；然后使用涂辊在基板上涂上面涂层，得到彩涂板。
有益效果：本发明生产效率高，节省了大量的人力，操作便捷，安全实用，绿色环保，具有良好的隔热效果，使用寿命长，大大提高了彩涂板的耐腐蚀性。
具体实施方式
为了使本发明所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
实施例1
一种耐腐蚀复合彩涂板，包括基板，基板的上表面和下表面由外而内依次设有面涂层、底涂层，基板设置镀锌层后进行钝化处理，镀锌层的镀层厚度为10-15μm。
面涂层包括按重量份的以下成分：环氧化聚丁二烯树脂50、乙二胺3、乙炔-丙烯酸丁酯共聚物20，对笨二甲酸二辛脂1、N-甲基乙酰胺5、碳化钨6、二氧化钛15，面涂层的厚度为12μm。
底涂层包括按重量份的以下成分：聚氨酯树脂50、硼砂19、硅酸钠3、丙烯-笨乙烯共聚物13、γ-内酰胺10、六甲基二硅氮烷5，底涂层厚度为8μm。
一种耐腐蚀复合彩涂板的制备方法，包括以下步骤：将基板进行镀锌处理；将经过镀锌处理后的基板置于彩涂线上，进行脱脂和漂洗处理，脱脂工序为2次，漂洗工序为2次；将经过脱脂漂洗处理后的基板进行双面钝化处理，在经过双面钝化处理后的基板上涂上底涂层，进行初涂固化和强制冷却；然后使用涂辊在基板上涂上面涂层，得到彩涂板。
实施例2
一种耐腐蚀复合彩涂板，包括基板，基板的上表面和下表面由外而内依次设有面涂层、底涂层，基板设置镀锌层后进行钝化处理，镀锌层的镀层厚度为10-15μm。
面涂层包括按重量份的以下成分：环氧化聚丁二烯树脂50、乙二胺3-6、乙炔-丙烯酸丁酯共聚物20-22，对笨二甲酸二辛脂1-3、N-甲基乙酰胺5-6、碳化钨6-8、二氧化钛10-15，面涂层的厚度为12-15μm。
底涂层包括按重量份的以下成分：聚氨酯树脂50、硼砂19-20、硅酸钠3、丙烯-笨乙烯共聚物13-15、γ-内酰胺6、六甲基二硅氮烷5，底涂层厚度为8-10μm。
一种耐腐蚀复合彩涂板的制备方法，包括以下步骤：将基板进行镀锌处理；将经过镀锌处理后的基板置于彩涂线上，进行脱脂和漂洗处理，脱脂工序为2次，漂洗工序为2次；将经过脱脂漂洗处理后的基板进行双面钝化处理，在经过双面钝化处理后的基板上涂上底涂层，进行初涂固化和强制冷却；然后使用涂辊在基板上涂上面涂层，得到彩涂板。
制得的彩涂板的测试性能如下：
硬度 抗拉强度Mpa 耐热性℃ 耐冲击cm 耐湿度h
传统彩涂板 1H 300 110 ≥30 500
实施例1 2H 490 120 ≥60 1100
实施例2 3H 500 120 ≥60 1300
由上表可知，本发明制得的彩涂板具有较高的耐腐蚀性。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (5)

1.一种耐腐蚀复合彩涂板，其特征在于：包括基板，所述基板的上表面和下表面由外而内依次设有面涂层、底涂层，所述基板设置镀锌层后进行钝化处理；
面涂层包括按重量份的以下成分：环氧化聚丁二烯树脂50、乙二胺3-6、乙炔-丙烯酸丁酯共聚物20-22，对笨二甲酸二辛脂1-3、N-甲基乙酰胺5-6、碳化钨6-8、二氧化钛10-15；
底涂层包括按重量份的以下成分：聚氨酯树脂50、硼砂19-20、硅酸钠3、丙烯-笨乙烯共聚物13-15、γ-内酰胺6、六甲基二硅氮烷5。
2.根据权利要求1所述的一种耐腐蚀复合彩涂板，其特征在于：镀锌层的镀层厚度为10-15μm。
3.根据权利要求1所述的一种耐腐蚀复合彩涂板,其特征在于：面涂层的厚度为12-15μm。
4.根据权利要求1所述的一种耐腐蚀复合彩涂板,其特征在于：底涂层厚度为8-10μm。
5.根据权利要求1所述的一种耐腐蚀复合彩涂板,其特征在于：包括以下步骤：将基板进行镀锌处理；将经过镀锌处理后的基板置于彩涂线上，进行脱脂和漂洗处理，脱脂工序为2次，漂洗工序为2次；将经过脱脂漂洗处理后的基板进行双面钝化处理，在经过双面钝化处理后的基板上涂上底涂层，进行初涂固化和强制冷却；然后使用涂辊在基板上涂上面涂层，得到彩涂板。
CN202011624066.XA 2020-12-30 2020-12-30 一种耐腐蚀复合彩涂板及其制备方法 Pending CN112795279A (zh)

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Cited By (1)

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CN115651538A (zh) * 2022-11-17 2023-01-31 杭州万观科技有限公司 一种耐酸性盐雾的聚硼硅氮烷/环氧复合涂料

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CN105253750A (zh) * 2015-11-30 2016-01-20 苏州扬子江新型材料股份有限公司 耐腐蚀电梯彩涂板
CN109332136A (zh) * 2018-10-30 2019-02-15 黄河三角洲京博化工研究院有限公司 一种彩涂板的生产方法
CN111705284A (zh) * 2020-06-24 2020-09-25 山东省博兴县华丰新型材料有限公司 一种耐腐蚀复合彩涂板及其制备方法

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JP2009254939A (ja) * 2008-04-14 2009-11-05 Shikoku Res Inst Inc 亜鉛めっき処理鋼構造物の塗装方法
CN105253750A (zh) * 2015-11-30 2016-01-20 苏州扬子江新型材料股份有限公司 耐腐蚀电梯彩涂板
CN109332136A (zh) * 2018-10-30 2019-02-15 黄河三角洲京博化工研究院有限公司 一种彩涂板的生产方法
CN111705284A (zh) * 2020-06-24 2020-09-25 山东省博兴县华丰新型材料有限公司 一种耐腐蚀复合彩涂板及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115651538A (zh) * 2022-11-17 2023-01-31 杭州万观科技有限公司 一种耐酸性盐雾的聚硼硅氮烷/环氧复合涂料

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