CN104497722B - 一种防腐钢涂层材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种防腐钢涂层材料及其制备方法,该防腐钢涂层材料,由包含以下重量份的组分制成:聚乙烯70‑74份、聚偏二氯乙烯8‑12份、聚乙二醇8‑10份、三氧化二铝5‑8份、碳纳米管2‑3份、三聚磷酸钠1.5‑2.8份、N‑β‑(氨乙基)‑γ‑氨丙基甲基二甲氧基硅烷1‑2.5份和三氧化二铬1‑2份。本发明还提供了一种防腐钢涂层材料的制备方法,包括以下步骤:(1)称取聚乙烯70‑74份、聚偏二氯乙烯8‑12份和聚乙二醇8‑10份,混合均匀,在80‑100℃下,反应0.5‑1小时;(2)将步骤1的产物的pH调节到5.5‑6,加入三氧化二铝5‑8份、碳纳米管2‑3份、三聚磷酸钠1.5‑2.8份、N‑β‑(氨乙基)‑γ‑氨丙基甲基二甲氧基硅烷1‑2.5份和三氧化二铬1‑2份,导入均质机中,混合20‑40分钟,得到防腐钢涂层材料。
Description
技术领域
本发明涉及一种涂层材料领域,特别是一种防腐钢涂层材料及其制备方法。
背景技术
防腐漆是用在物体表面可以用来保护物体内部不受到腐蚀的一类油漆。根据不同的需求,有不同组分的防腐漆。
近些年,防腐漆主要用于金属表面,使其免受腐蚀,常用的防腐漆主要有环氧富锌漆,由于其颜色接近金属本色,且能起到保护金属表面的作用。但同时由于金属锌粉的密度比较大,为了不使锌粉沉降或减慢锌粉的沉降速度,需要在漆中加一定量的防沉降剂,由于防沉剂的加入,漆的粘稠度也随之增加,因而在使用过程中需要加入大量的溶剂,这些溶剂在使用过程中,会挥发,从而危害施工者的身体健康,同时影响空气环境。并且随着环境条件的变化,固化后漆膜的脆性变大,金属在温度变化时热胀冷缩,易造成漆膜龟裂或脱落。
因此越来越多的研究者关注水性金属漆,水性金属漆虽然为环境友好型,但其成膜性差,水汽透过率高,尤其表现在耐盐雾性能较差,虽能在一定程度上保护金属表面,然而和溶剂型漆相比,结合力度不够,易造成漆膜龟裂或脱落。
发明内容
针对上述的需求,本发明特别提供了一种防腐钢涂层材料及其制备方法。
本发明的目的可以通过以下技术方案实现:
一种防腐钢涂层材料及其制备方法,由包含以下重量份的组分制成:
聚乙烯 70-74份,
聚偏二氯乙烯 8-12份,
聚乙二醇 8-10份,
三氧化二铝 5-8份,
碳纳米管 2-3份,
三聚磷酸钠 1.5-2.8份,
N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷 1-2.5份,
三氧化二铬 1-2份。
所述聚乙烯为高密度聚乙烯和低密度聚乙烯的组合物,所述高密度聚乙烯和低密度聚乙烯的质量比为1:1。
所述碳纳米管的直径为7.8-9纳米。
所述聚乙二醇的平均分子量为7000-8000。
一种防腐钢涂层材料的制备方法,包括以下步骤:
(1)称取聚乙烯70-74份、聚偏二氯乙烯8-12份和聚乙二醇8-10份,混合均匀,在80-100℃下,反应0.5-1小时;
(2)将步骤1的产物的pH调节到5.5-6,加入三氧化二铝5-8份、碳纳米管2-3份、三聚磷酸钠1.5-2.8份、N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷1-2.5份和三氧化二铬1-2份,导入均质机中,混合20-40分钟,得到防腐钢涂层材料。
所述三氧化二铝为采用200 目滤网过滤过的三氧化二铝粉末。
本发明与现有技术相比,其有益效果为:
(1)本发明制得的防腐钢涂层材料具有优良的防护性,还可通过加入色粉,使得涂层材料具有良好的装饰性。
(2)本发明制得的防腐钢涂层材料由于在制备过程中没有加入易挥发、易燃的有毒有机溶剂,因而不会在储存中发生易燃等安全性问题。
(3)本发明的防腐钢涂层材料具有良好的与金属表面的结合能力,附着力好、耐热性好、耐盐性好,环保无污染,可以提高金属漆的可以提高金属漆在户外的使用期限,而且本发明制备方法简单,成本低,适合大规模生产。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
(1)将三氧化二铝粉末用200 目滤网过滤;
(2)称取聚乙烯70kg、聚偏二氯乙烯9kg和平均分子量为7000的聚乙二醇9kg,混合均匀,在100℃下,反应0.5小时;
(3)将步骤1的产物的pH调节到5.5,加入三氧化二铝5kg、直径为7.8纳米的碳纳米管2kg、三聚磷酸钠2kg、N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷1.5kg和三氧化二铬2kg,导入均质机中,混合20分钟,得到防腐钢涂层材料。
制得防腐钢涂层材料的性能测试结果如表1所示。
实施例2
(1)将三氧化二铝粉末用200 目滤网过滤;
(2)称取聚乙烯72kg、聚偏二氯乙烯8kg和平均分子量为8000的聚乙二醇8kg,混合均匀,在80℃下,反应1小时;
(3)将步骤1的产物的pH调节到6,加入三氧化二铝7kg、直径为9纳米的碳纳米管3kg、三聚磷酸钠1.5kg、N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷1kg和三氧化二铬1kg,导入均质机中,混合30分钟,得到防腐钢涂层材料。
制得防腐钢涂层材料的性能测试结果如表1所示。
实施例3
(1)将三氧化二铝粉末用200 目滤网过滤;
(2)称取聚乙烯74kg、聚偏二氯乙烯10kg和平均分子量为7000的聚乙二醇10kg,混合均匀,在90℃下,反应0.5小时;
(3)将步骤1的产物的pH调节到5.5,加入三氧化二铝8kg、直径为9纳米的碳纳米管2.5kg、三聚磷酸钠2.8kg、N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷2.5kg和三氧化二铬1kg,导入均质机中,混合40分钟,得到防腐钢涂层材料。
制得防腐钢涂层材料的性能测试结果如表1所示。
实施例4
(1)将三氧化二铝粉末用200 目滤网过滤;
(2)称取聚乙烯70kg、聚偏二氯乙烯12kg和平均分子量为8000的聚乙二醇8kg,混合均匀,在90℃下,反应1小时;
(3)将步骤1的产物的pH调节到6,加入三氧化二铝5kg、直径为8.2纳米的碳纳米管3kg、三聚磷酸钠2kg、N-β-(氨乙基)-γ- 氨丙基甲基二甲氧基硅烷2kg和三氧化二铬2kg,导入均质机中,混合20分钟,得到防腐钢涂层材料。
制得防腐钢涂层材料的性能测试结果如表1所示:
表1
本发明不限于这里的实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。
Claims (3)
1.一种防腐钢涂层材料,其特征在于,由包含以下重量份的组分制成:
聚乙烯 70-74 份,
聚偏二氯乙烯 8-12 份,
聚乙二醇 8-10 份,
三氧化二铝 5-8 份,
碳纳米管 2-3 份,
三聚磷酸钠 1.5-2.8 份,
N-β-( 氨乙基)-γ- 氨丙基甲基二甲氧基硅烷 1-2.5 份,
三氧化二铬 1-2 份;
所述聚乙烯为高密度聚乙烯和低密度聚乙烯的组合物,所述高密度聚乙烯和低密度聚乙烯的质量比为1:1;
所述碳纳米管的直径为7.8-9纳米;
所述聚乙二醇的平均分子量为7000-8000。
2.一种防腐钢涂层材料的制备方法,其特征在于,包括以下步骤:
(1)称取聚乙烯70-74 份、聚偏二氯乙烯8-12 份和聚乙二醇8-10 份,混合均匀,在80-100℃下,反应0.5-1 小时;
(2)将步骤(1) 的产物的pH 调节到5.5-6,加入三氧化二铝5-8 份、碳纳米管2-3 份、三聚磷酸钠1.5-2.8 份、N-β-( 氨乙基)-γ- 氨丙基甲基二甲氧基硅烷1-2.5 份和三氧化二铬1-2 份,导入均质机中,混合20-40 分钟,得到防腐钢涂层材料。
3.根据权利要求2所述的防腐钢涂层材料的制备方法,其特征在于,所述三氧化二铝为采用200 目滤网过滤过的三氧化二铝粉末。
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