CN105951024A - 防护栏表面复合涂层的制备方法 - Google Patents
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- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/10—Phosphatation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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Abstract
本发明公开了一种防护栏表面复合涂层的制备方法,属于防护设施领域。对防护栏进行脱脂、除锈处理;对经脱脂除锈处理的防护栏整体镀锌;对镀锌后的防护栏进行磷化处理,在防护栏表面形成磷化膜;所述磷化液体由质量浓度比为1:1:2:2的NaOH、NaNO2、H3PO4、ZnO组成;采用静电喷涂方法在处理后的防护栏上喷涂聚酯粉末层。本发明通过镀锌层、磷化层和聚酯粉末层结合,提升涂层与防护栏的附着力;采用静电喷涂聚酯粉末层的方式,有效地控制喷粉量的大小将喷粉量控制在相对低的范围内,提高沉积率高;通过喷涂距离的控制,减少喷粉的使用量,提高粉末涂料的利用率。
Description
技术领域
本发明涉及一种涂层制备方法,具体讲是一种防护栏表面复合涂层的制备方法,属于防护设施领域。
背景技术
众所周知,传统的道路防护栏一般是先使用防锈底漆涂布,之后再喷面漆,在后期的维护上使用毛刷直接刷面漆。而道路的防护栏都是露天设置的,经过长时间的风吹雨淋,难免会出现剥落的现象,如果直接使用毛刷维护,一方面是颜色的对比明显;另一方面,对于大面积的剥落来说,毛刷后期修补并不是一个长期的修护方式,这样的修补只能是暂时性的,但是防护栏的设置又是长期永久的设置。因此,传统的喷涂方式已然不能顺应时代的要求。与此同时,防护栏的表面处理已不单单是底漆加面漆的形式,后期已经出现了一些粉末涂料,但是传统的粉末喷涂使得粉末的而利用率不高,并且还需要加入硬化剂,这样对施工人员来说,有一定的毒性,涂层与基材的附着力不高,生产效率低下,漆膜的质量不高;对粉末涂料的喷涂来说,传统的方法中,漆料大多存在浪费不可以重复回收使用。当今,防护栏的表面大多采用多层的复合涂层,多层的复合涂层对防护栏钢材进行多重保护,现在的使用市场也越来越大。与此同时,对于防护栏表面的喷涂工艺也应当随之发展。
发明内容
本发明所要解决的技术问题在于克服现有技术缺陷,提供一种可提高涂层与基材的附着力和粉末涂料的利用率的防护栏表面复合涂层的制备方法。
为了解决上述技术问题,本发明提供的防护栏表面复合涂层的制备方法,包括以下步骤:
1)、对防护栏进行脱脂、除锈处理;
2)、对经脱脂除锈处理的防护栏整体镀锌;
3)、对镀锌后的防护栏进行磷化处理,在防护栏表面形成磷化膜;所述磷化液体由质量浓度比为1:1:2:2的NaOH(氢氧化钠)、NaNO2(硝酸钠)、H3PO4(磷酸)、ZnO(氧化锌)组成;
4)、采用静电喷涂方法在步骤3)处理后的防护栏上喷涂聚酯粉末层;所述喷枪工艺参数:喷粉量为90g/min-1000 g/min、喷涂距离为20cm-40cm、静电高压为70-80KV、静电电流为10-20μA、雾化压力为0.1-0.4MPa、喷枪口至防护栏距离为150-300mm、固化温度为200℃、固化时间:10min。
本发明中,所述的聚酯粉末为热固性的聚酯粉末材料,其基料为羧基聚酯树脂以及脂肪族异氰酸酯固化剂。
本发明中,所述静电喷涂的喷涂厚度为100μm。
本发明中,所述的镀锌采用热镀锌的工艺,锌液为500℃,浸锌时间为40秒,所述锌液中加入0.01%的铝。
本发明的有益效果在于:(1)、本发明针对现有的技术中存在的涂层与基材的附着力不高,生产效率低下,漆膜的质量不高的缺点,通过镀锌层、磷化层和聚酯粉末层结合,提升涂层与防护栏的附着力;采用静电喷涂聚酯粉末层的方式,有效地控制喷粉量的大小将喷粉量控制在相对低的范围内,提高沉积率高;通过喷涂距离的控制,减少喷粉的使用量,与喷漆的方式相比,粉末可以回收利用,从而提高粉末涂料的利用率;(2)、静电喷涂的喷涂厚度为100μm,通过固化条件的控制,保证喷涂的厚度以及机械质量;(3)、在锌液中加入0.01%的铝,这样可以增强锌液的流动性,加入铝后防护栏的防腐性能可以大幅度的提高。
具体实施方式
以下结合具体的实施例对本发明的技术方案做进一步的阐述,但这实施例仅用于说明而非是对本发明权利要求的限制。
实施例
1
1、脱脂除锈:首先将防护栏进行脱脂处理,用常规的碱液对基材处理,之后选用1:4的HCl对除锈并且活化,这样更有利于防护栏后期表面的成膜;
2、镀锌:采用热镀锌的工艺,在锌液中加入0.01%的铝,然后将防护栏浸没在锌液中,锌液温度为500℃,浸锌时间40秒;
3、表面形成磷化膜:采用常温磷化工艺,对镀锌后的防护栏进行磷化处理,磷化时间为15分钟。磷化液由为NaOH、NaNO2、H3PO4和ZnO组成,NaOH、NaNO2、H3PO4、ZnO的质量浓度比为1:1:2:2,磷化液的酸比为13,其中的生成的膜厚且粗糙多孔,可以给之后的涂层提供粗糙表面。
4、采用静电喷涂方法在防护栏上喷涂聚酯粉末层,聚酯粉末为热固性的聚酯粉末材料,其基料为羧基聚酯树脂以及脂肪族异氰酸酯固化剂,静电喷涂的喷涂厚度为100μm。静电喷枪的参数设置为:喷粉量:90g/min、喷涂距离:20cm、静电高压:70KV、静电电流:10μA、雾化压力:0.1MPa、喷枪口至防护栏距离:150mm、固化温度:200℃、固化时间:10min。
实施例
2
步骤1至3与实施例1相同,步骤4中静电喷枪的参数设置为:喷粉量:500g/min、喷涂距离:30cm、静电高压:80KV、静电电流:20μA、雾化压力:0.3MPa、喷枪口至防护栏距离:200mm、固化温度:200℃、固化时间:10min。
实施例
3
步骤1至3与实施例1相同,步骤4中静电喷枪的参数设置为:喷粉量:1000 g/min、喷涂距离:40cm、静电高压:80KV、静电电流:20μA、雾化压力:0.4MPa、喷枪口至防护栏距离:300mm、固化温度:200℃、固化时间:10min。
以上对本发明实施例所提供的技术方案进行了详细介绍,本文中应用了具体个例对本发明实施例的原理以及实施方式进行了阐述,以上实施例的说明只适用于帮助理解本发明实施例的原理;同时,对于本领域的一般技术人员,依据本发明实施例,在具体实施方式以及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。
Claims (4)
1.一种防护栏表面复合涂层的制备方法,其特征在于包括以下步骤:
1)、对防护栏进行脱脂、除锈处理;
2)、对经脱脂除锈处理的防护栏整体镀锌;
3)、对镀锌后的防护栏进行磷化处理,在防护栏表面形成磷化膜;所述磷化液体由质量浓度比为1:1:2:2的NaOH、NaNO2、H3PO4、ZnO组成;
4)、采用静电喷涂方法在步骤3)处理后的防护栏上喷涂聚酯粉末层;所述喷枪工艺参数:喷粉量为90g/min-1000g/min、喷涂距离为20cm-40cm、静电高压为70-80KV、静电电流为10-20μA、雾化压力为0.1-0.4MPa、喷枪口至防护栏距离为150-300mm、固化温度为200℃、固化时间:10min。
2.根据权利要求1所述的防护栏表面复合涂层的制备方法,其特征在于:所述的聚酯粉末为热固性的聚酯粉末材料,其基料为羧基聚酯树脂以及脂肪族异氰酸酯固化剂。
3.根据权利要求1或2所述的防护栏表面复合涂层的制备方法,其特征在于:所述静电喷涂的喷涂厚度为100μm。
4.根据权利要求3所述的防护栏表面复合涂层的制备方法,其特征在于:所述的镀锌采用热镀锌的工艺,锌液为500℃,浸锌时间为40秒,所述锌液中加入0.01%的铝。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108144824A (zh) * | 2018-02-13 | 2018-06-12 | 佛山鸿图铁艺有限公司 | 一种装配式铁艺护栏产品各组件防腐蚀处理工艺 |
CN110819930A (zh) * | 2019-11-25 | 2020-02-21 | 南通市腾飞金属铸造有限公司 | 一种炉排表面涂层处理工艺 |
CN112742682A (zh) * | 2019-10-29 | 2021-05-04 | 西藏中驰集团股份有限公司 | 一种新型防腐涂装工艺 |
CN113957381A (zh) * | 2021-10-21 | 2022-01-21 | 西安上禹佳盛生态环保科技有限公司 | 一种护栏及其它金属构件防护涂层及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1730164A (zh) * | 2005-09-06 | 2006-02-08 | 贵州科盛彩色喷涂有限公司 | 户外金属表面双涂层防腐彩色喷涂的方法 |
CN103112217A (zh) * | 2013-01-15 | 2013-05-22 | 上海博盾机电科技有限公司 | 锌钢材料 |
CN103406721A (zh) * | 2013-07-10 | 2013-11-27 | 重庆正达护栏有限公司 | 组装式锌钢护栏生产工艺 |
CN103590352A (zh) * | 2013-11-06 | 2014-02-19 | 湖北秭归新亚交通设施有限公司 | 废旧热浸锌公路钢护栏处理工艺 |
-
2016
- 2016-05-12 CN CN201610313570.5A patent/CN105951024A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1730164A (zh) * | 2005-09-06 | 2006-02-08 | 贵州科盛彩色喷涂有限公司 | 户外金属表面双涂层防腐彩色喷涂的方法 |
CN103112217A (zh) * | 2013-01-15 | 2013-05-22 | 上海博盾机电科技有限公司 | 锌钢材料 |
CN103406721A (zh) * | 2013-07-10 | 2013-11-27 | 重庆正达护栏有限公司 | 组装式锌钢护栏生产工艺 |
CN103590352A (zh) * | 2013-11-06 | 2014-02-19 | 湖北秭归新亚交通设施有限公司 | 废旧热浸锌公路钢护栏处理工艺 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108144824A (zh) * | 2018-02-13 | 2018-06-12 | 佛山鸿图铁艺有限公司 | 一种装配式铁艺护栏产品各组件防腐蚀处理工艺 |
CN112742682A (zh) * | 2019-10-29 | 2021-05-04 | 西藏中驰集团股份有限公司 | 一种新型防腐涂装工艺 |
CN110819930A (zh) * | 2019-11-25 | 2020-02-21 | 南通市腾飞金属铸造有限公司 | 一种炉排表面涂层处理工艺 |
CN113957381A (zh) * | 2021-10-21 | 2022-01-21 | 西安上禹佳盛生态环保科技有限公司 | 一种护栏及其它金属构件防护涂层及其制备方法 |
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