CN113289874A - 一种防腐铝制锻件表面涂层涂覆方法 - Google Patents

一种防腐铝制锻件表面涂层涂覆方法 Download PDF

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CN113289874A
CN113289874A CN202110461342.3A CN202110461342A CN113289874A CN 113289874 A CN113289874 A CN 113289874A CN 202110461342 A CN202110461342 A CN 202110461342A CN 113289874 A CN113289874 A CN 113289874A
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coating
primer
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finish paint
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高维荣
常焜
方帆
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Jiangsu Tiebao Forging Co ltd
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Abstract

本发明公开了一种防腐铝制锻件表面涂层涂覆方法，包括以下步骤：（1）锻件表面预处理：将铝制锻件打磨后，放入清水清洗，然后烘干；（2）配制耐腐蚀和透明度高的涂层底漆和面漆；（3）采用电泳方式涂覆底漆，然后低温烘烤；（4）细微打磨，放入清水超声清洗，然后度烘干；（5）喷涂面漆，通风干燥。本发明底漆采用电泳方式，涂层更均匀，附着力更强，涂层更不易脱落；面漆、底漆采为透明度高的有机材料制成，更加环保，采用双层涂层也增强了防护性能，面漆采用有机包覆无机材料制成，增强了涂层防护效果，也降低了面漆制作成本。

Description

一种防腐铝制锻件表面涂层涂覆方法
技术领域
本发明涉及铝材低温防腐加工技术领域，具体涉及一种防腐铝制锻件表面涂层涂覆方法。
背景技术
铝制锻件密度小、比强度高、焊接性能好、易加工、表面美观，在航空航天、食品包装、建筑装饰、电子家电、交通运输等领域都有很广泛的应用。现有技术中，铝制锻件表面保护膜耐温性能差，抗腐蚀性差、形成的镀层厚度较薄，且与铝合金表面附着力较低，在腐蚀介质中涂层易脱落，并且涂层透明度低。
发明内容
本发明所要解决的问题是：提供一种防腐铝制锻件表面涂层涂覆方法，可以提升铝制锻件表面防腐效果，并且在腐蚀介质中涂层不易脱落，并且涂层透明度更高。
为达到上述发明目的，本发明是通过以下技术方案实现的。
一种防腐铝制锻件表面涂层涂覆方法，其特征在于，包括以下步骤：
（1）锻件表面预处理：将铝制锻件打磨后，放入清水清洗，然后烘干；
（2）配制涂层底漆和面漆：底漆是由以下重量份的组分制成：脂肪族聚烯烃环氧树脂45-50份、丙烯酸丁酯20-30份，硅油份10-12份、二乙二醇己醚5-10份、异丙醇10-12份、硅烷偶联剂3-6份、复合醇醚3-5份、异丙醇10-15份和硅胶液5-10份；
面漆由以下重量份的组分制成：丙烯酸乳液40-50份、有机硅丙烯酸酯乳液15-20份、脲醛树脂10-15份、磷酸锌15-20份、镁粉3-5份、苄基三甲基溴化铵3-5份、对苯二酚二乙酸酯8-10份、复合醇醚2-4份、硅胶液5-8份、异丙醇12-15份、乙二醇甲醚3-5份。
（3）采用电泳方式涂覆底漆，然后低温烘烤；
（4）细微打磨，放入清水超声清洗，然后度烘干；
（5）喷涂面漆，通风干燥。
进一步地，所述步骤（1）具体为放入清水超声清洗30-60min，然后50-60度烘干。
进一步地，所述步骤（3）具体为电泳温度控制在110度以下，烘烤温度控制在130度以下，烘干时长为1-2小时。
进一步地，所述步骤（4）的打磨粗糙度小于步骤（1）的打磨粗糙度1/3。
进一步地，所述步骤（5）具体为喷涂2次面漆，喷涂时间间隔20-30min。
本发明的有益效果是：1、本发明底漆采用电泳方式，涂层更均匀，附着力更强，涂层更不易脱落；2、面漆、底漆采为透明度高的有机材料制成，更加环保，采用双层涂层也增强了防护性能，3、面漆采用有机包覆无机材料制成，增强了涂层防护效果，也降低了面漆制作成本。
具体实施方式
下面结合具体实例来进一步阐述本发明。
实施例1：一种防腐铝制锻件表面涂层涂覆方法，包括以下步骤：
（1）锻件表面预处理：将铝制锻件打磨后，放入清水超声清洗30min，然后50度烘干。
（2）配制涂层底漆和面漆：底漆是由以下重量份的组分制成：脂肪族聚烯烃环氧树脂45份、丙烯酸丁酯20份，硅油份10份、二乙二醇己醚5份、异丙醇10份、硅烷偶联剂3份、复合醇醚3份、异丙醇10份和硅胶液5份。
面漆由以下重量份的组分制成：丙烯酸乳液40份、有机硅丙烯酸酯乳液15份、脲醛树脂10份、磷酸锌15份、镁粉3份、苄基三甲基溴化铵3份、对苯二酚二乙酸酯8份、复合醇醚2份、硅胶液5份、异丙醇12份、乙二醇甲醚3份。
（3）采用电泳方式涂覆底漆，然后低温烘烤，电泳温度控制在105度左右，烘烤温度控制在120度，烘干时长为2小时。
（4）细微打磨，放入清水超声清洗，然后度烘干，打磨粗糙度为步骤（1）的打磨粗糙度1/4；
（5）喷涂2次面漆，喷涂时间间隔20min，通风干燥，完成涂层涂覆。
实施例2：一种防腐铝制锻件表面涂层涂覆方法，包括以下步骤：
（1）锻件表面预处理：将铝制锻件打磨后，放入清水超声清洗60min，然后60度烘干。
（2）配制涂层底漆和面漆：底漆是由以下重量份的组分制成：脂肪族聚烯烃环氧树脂50份、丙烯酸丁酯30份，硅油份12份、二乙二醇己醚10份、异丙醇12份、硅烷偶联剂6份、复合醇醚5份、异丙醇15份和硅胶液10份。
面漆由以下重量份的组分制成：丙烯酸乳液50份、有机硅丙烯酸酯乳液20份、脲醛树脂15份、磷酸锌20份、镁粉5份、苄基三甲基溴化铵5份、对苯二酚二乙酸酯10份、复合醇醚4份、硅胶液8份、异丙醇15份、乙二醇甲醚5份。
（3）采用电泳方式涂覆底漆，然后低温烘烤，电泳温度控制在100度左右，烘烤温度控制在125度，烘干时长为1小时。
（4）细微打磨，放入清水超声清洗，然后度烘干，打磨粗糙度为步骤（1）的打磨粗糙度1/5；
（5）喷涂2次面漆，喷涂时间间隔30min，通风干燥，完成涂层涂覆。
实施例3：一种防腐铝制锻件表面涂层涂覆方法，包括以下步骤：
（1）锻件表面预处理：将铝制锻件打磨后，放入清水超声清洗45min，然后55度烘干。
（2）配制涂层底漆和面漆：底漆是由以下重量份的组分制成：脂肪族聚烯烃环氧树脂47份、丙烯酸丁酯15份，硅油份11份、二乙二醇己醚7份、异丙醇11份、硅烷偶联剂4份、复合醇醚4份、异丙醇12份和硅胶液7份。
面漆由以下重量份的组分制成：丙烯酸乳液45份、有机硅丙烯酸酯乳液17份、脲醛树脂12份、磷酸锌17份、镁粉4份、苄基三甲基溴化铵4份、对苯二酚二乙酸酯9份、复合醇醚3份、硅胶液7份、异丙醇13份、乙二醇甲醚4份。
（3）采用电泳方式涂覆底漆，然后低温烘烤，电泳温度控制在103度以下，烘烤温度控制在122度，烘干时长为1.5小时。
（4）细微打磨，放入清水超声清洗，然后度烘干，打磨粗糙度小于步骤（1）的打磨粗糙度1/4；
（5）喷涂2次面漆，喷涂时间间隔25min，通风干燥，完成涂层涂覆。
以上实施例仅为本发明较优的实施方式，仅用于解释本发明，而非限制本发明，本领域技术人员在未脱离本发明精神实质与原理下所作的任何改变、替换、组合、简化、修饰等，均应为等效的置换方式，均应包含在本发明的保护范围内。

Claims (5)

1.一种防腐铝制锻件表面涂层涂覆方法，其特征在于，包括以下步骤：
（1）锻件表面预处理：将铝制锻件打磨后，放入清水清洗，然后烘干；
（2）配制涂层底漆和面漆：底漆是由以下重量份的组分制成：脂肪族聚烯烃环氧树脂45-50份、丙烯酸丁酯20-30份，硅油份10-12份、二乙二醇己醚5-10份、异丙醇10-12份、硅烷偶联剂3-6份、复合醇醚3-5份、异丙醇10-15份和硅胶液5-10份；
面漆由以下重量份的组分制成：丙烯酸乳液40-50份、有机硅丙烯酸酯乳液15-20份、脲醛树脂10-15份、磷酸锌15-20份、镁粉3-5份、苄基三甲基溴化铵3-5份、对苯二酚二乙酸酯8-10份、复合醇醚2-4份、硅胶液5-8份、异丙醇12-15份、乙二醇甲醚3-5份；
（3）采用电泳方式涂覆底漆，然后低温烘烤；
（4）细微打磨，放入清水超声清洗，然后度烘干；
（5）喷涂面漆，通风干燥。
2.根据权利要求1所述的防腐铝制锻件表面涂层涂覆方法，其特征在于：所述步骤（1）具体为放入清水超声清洗30-60min，然后50-60度烘干。
3.根据权利要求1所述的防腐铝制锻件表面涂层涂覆方法，其特征在于：所述步骤（3）具体为电泳温度控制在110度以下，烘烤温度控制在130度以下，烘干时长为1-2小时。
4.根据权利要求1所述的防腐铝制锻件表面涂层涂覆方法，其特征在于：所述步骤（4）的打磨粗糙度小于步骤（1）的打磨粗糙度1/3。
5.根据权利要求1所述的防腐铝制锻件表面涂层涂覆方法，其特征在于：所述步骤（5）具体为喷涂2次面漆，喷涂时间间隔20-30min。
CN202110461342.3A 2021-04-27 2021-04-27 一种防腐铝制锻件表面涂层涂覆方法 Pending CN113289874A (zh)

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Publication number Priority date Publication date Assignee Title
CN116273780A (zh) * 2023-02-09 2023-06-23 环讯精密制品(南通)有限公司 一种高附着力高耐磨性陶瓷涂料涂装方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116273780A (zh) * 2023-02-09 2023-06-23 环讯精密制品(南通)有限公司 一种高附着力高耐磨性陶瓷涂料涂装方法

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