CN106634268A - 一种化学泵泵壳用涂料 - Google Patents

一种化学泵泵壳用涂料 Download PDF

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CN106634268A
CN106634268A CN201610868772.6A CN201610868772A CN106634268A CN 106634268 A CN106634268 A CN 106634268A CN 201610868772 A CN201610868772 A CN 201610868772A CN 106634268 A CN106634268 A CN 106634268A
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吴俊�
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Hefei Huayun Machinery Manufacturing Co Ltd
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Abstract

发明公开了一种化学泵泵壳用涂料，由以下成分制成，苯乙烯、空心玻璃微珠、聚四氟乙烯树脂、甘油醇酸树脂、滑石粉、羧甲基纤维素、氮化硅、三聚氰胺、铝银浆改性环氧树脂、氨基硅烷。本发明化学泵泵壳涂料成膜后，具有硬度高、耐磨性好，实干时间短，耐腐蚀性能好，附着力好，成本低，耐化学腐蚀、耐油性和抗冲击性强，在高速气流、砂石和水流的冲刷、机械力的作用下，使用过程中不会出现断裂或者脱落现象，极其适用于化学泵的使用环境，本发明化学泵泵壳涂料经过各成分之间的协同配合作用，极大的提高了涂膜的寿命。

Description

一种化学泵泵壳用涂料
技术领域
本发明涉及化学泵用涂料技术领域，特别是涉及一种化学泵泵壳用涂料。
背景技术
化学泵主要用于输送化学物料，且大多数化学泵的使用环境恶劣，过程中会接触到强酸、强碱等腐蚀物，当化学泵置于露天环境时，会受紫外线及雨雪的照射及侵蚀，因此，化学泵的泵壳需要有较大的强度及耐腐蚀性。现有的化学泵泵壳采用涂料进行喷涂，但是现有的化学泵用涂料耐腐蚀性差，寿命低，附着力低，无法满足市场某些恶劣环境使用需求。
发明内容
本发明的目的是提供一种化学泵泵壳用涂料。
本发明通过以下技术方案实现：
一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯4-8、空心玻璃微珠6-9、聚四氟乙烯树脂40-42、甘油醇酸树脂2-6、滑石粉3-5、羧甲基纤维素4-6、氮化硅1-3、三聚氰胺1-3、铝银浆改性环氧树脂18-25、氨基硅烷12-16。
进一步的，所述铝银浆改性环氧树脂的制备方法为：将环氧树脂添加到反应釜中，加热至98℃，保温20分钟后，添加其质量1.8%的铝银浆，以800r/min转速搅拌，搅拌15min后，添加铝银浆质量一半的松节油，以1000r/min转速搅拌，同时以1℃/min的速度升高温度，20分钟后，停止搅拌并停止升温，保温静置15分钟后，自然冷却至室温，即可。
进一步的，所述空心玻璃微珠的粒度为30-35μm，所述滑石粉粒度为空心玻璃微珠粒度的1.2-1.5倍。
进一步的，所述氮化硅经过硅烷偶联剂处理。
进一步的，所述滑石粉经过350-380℃煅烧处理，煅烧时间为20min。
进一步的，所述化学泵涂料制备方法为：将苯乙烯4-8、空心玻璃微珠6-9、聚四氟乙烯树脂40-42、甘油醇酸树脂2-6、滑石粉3-5、羧甲基纤维素4-6、氮化硅1-3、三聚氰胺1-3、铝银浆改性环氧树脂18-25、氨基硅烷12-16，按照各重量份数在常温下搅拌45min，之后再进行研磨处理，即可。
进一步的，所述化学泵涂料适用于化学泵金属材料泵壳。
进一步的，所述化学泵涂料的使用方法为：
①对化学泵泵壳采用入质量分数为5%盐酸溶液清洗10min，再放入丙酮中采用超声清洗5-8s；
②对化学泵泵壳在158-170℃的温度进行加热10min，然后冷却至38-45℃；
③将经过②处理后的化学泵泵壳放入浸泡液中浸泡15min，浸泡温度为43-48℃，然后进行表面清洗，烘干；所述浸泡液按重量份计由以下成分制成：硝酸锌2、钼酸钠0.1、尿素3、碳酸钾1、植酸2 、氯化钠2、余量水；
④在100-120℃温度条件下，对经过③处理的化学泵泵壳喷涂本发明化学泵涂料，喷涂厚度为100-150μm，喷涂完后，保温20min，自然冷却至室温，即可。
本发明制备的化学泵泵壳涂料通过采用三聚氰胺和羧甲基纤维素的协同作用，提高了涂膜玻璃化温度，从而能够极大的提高了涂膜硬度，配合空心玻璃微珠与煅烧后的滑石粉的作用，能够极大的提高涂膜的硬度和致密性，从而能够极大的提高涂膜的耐抗划伤性。通过采用铝银浆改性环氧树脂、氮化硅和氨基硅烷的协同作用，使得涂料中各成分分散性更好，涂料具有粘接强度高、耐热性好、耐酸碱腐蚀以及机械性能好等优点，并且耐紫外线性能优越，涂料与化学泵泵壳牢固地粘接在一起，极大的发挥出其涂膜高耐磨、高耐热和耐腐蚀的优势。
本发明的有益效果是，与现有技术相比：
本发明化学泵泵壳涂料成膜后，具有硬度高、耐磨性好，实干时间短，耐腐蚀性能好，附着力好，成本低，耐化学腐蚀、耐油性和抗冲击性强，在高速气流、砂石和水流的冲刷、机械力的作用下，使用过程中不会出现断裂或者脱落现象，极其适用于化学泵的使用环境，本发明化学泵泵壳涂料经过各成分之间的协同配合作用，极大的提高了涂膜的寿命。
具体实施方式
实施例1
一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯4、空心玻璃微珠6、聚四氟乙烯树脂40、甘油醇酸树脂2、滑石粉3、羧甲基纤维素4、氮化硅1、三聚氰胺1、铝银浆改性环氧树脂18、氨基硅烷12。
实施例2
一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯8、空心玻璃微珠9、聚四氟乙烯树脂42、甘油醇酸树脂6、滑石粉5、羧甲基纤维素6、氮化硅3、三聚氰胺3、铝银浆改性环氧树脂25、氨基硅烷16。
实施例3
一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯6、空心玻璃微珠8、聚四氟乙烯树脂41、甘油醇酸树脂3、滑石粉4、羧甲基纤维素5、氮化硅2、三聚氰胺2、铝银浆改性环氧树脂23、氨基硅烷14。
通过实验对比涂料的性能：
表1
涂膜摩擦系数 涂膜附着力/MPa 耐碱性(1mol/L氢氧化钠溶液)/h 耐盐雾性（5%氯化钠）/h
实施例1 0.42 15.48 ≥520 ≥980
实施例2 0.43 15.26 ≥515 ≥975
实施例3 0.47 15.27 ≥518 ≥970
对比例1 0.72 15.12 ≥325 ≥620
对比例2 0.66 3.98 ≥428 ≥780
其中，对比例1为：一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯4、空心玻璃微珠6、聚四氟乙烯树脂40、甘油醇酸树脂2、滑石粉3、羧甲基纤维素4、氮化硅1、三聚氰胺1、环氧树脂18、氨基硅烷12；
对比实施例2为：一种化学泵泵壳用涂料，按重量份计由以下成分制成，苯乙烯4、空心玻璃微珠6、聚四氟乙烯树脂40、甘油醇酸树脂2、滑石粉3、羧甲基纤维素4、氮化硅1、铝银浆改性环氧树脂18、氨基硅烷12；
由表1可以看出，本发明制备的化学泵泵壳涂料摩擦系数小，附着力高，采用普通环氧树脂涂膜附着力、耐碱腐蚀性和耐盐雾性大幅度降低，不添加三聚氰胺涂膜摩擦系数与涂膜附着力也有一定程度降低，耐碱腐蚀性和耐盐雾性也有所下降。
本发明涂料性能指标：
1、漆膜外观：平整光滑
2、粘度(23±1℃粘度计，S)：78
3、细度≤30μm
4、硬度≥2H
5、耐高温（130℃）≥480h
6、耐水性 (29±1℃ 300h)：不起泡，不脱落
7、耐人工气候老化性（GB/T9755-2001)：大于1000小时。

Claims (8)

1.一种化学泵泵壳用涂料，其特征在于，按重量份计由以下成分制成，苯乙烯4-8、空心玻璃微珠6-9、聚四氟乙烯树脂40-42、甘油醇酸树脂2-6、滑石粉3-5、羧甲基纤维素4-6、氮化硅1-3、三聚氰胺1-3、铝银浆改性环氧树脂18-25、氨基硅烷12-16。
2.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述铝银浆改性环氧树脂的制备方法为：将环氧树脂添加到反应釜中，加热至98℃，保温20分钟后，添加其质量1.8%的铝银浆，以800r/min转速搅拌，搅拌15min后，添加铝银浆质量一半的松节油，以1000r/min转速搅拌，同时以1℃/min的速度升高温度，20分钟后，停止搅拌并停止升温，保温静置15分钟后，自然冷却至室温，即可。
3.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述空心玻璃微珠的粒度为30-35μm，所述滑石粉粒度为空心玻璃微珠粒度的1.2-1.5倍。
4.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述氮化硅经过硅烷偶联剂处理。
5.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述滑石粉经过350-380℃煅烧处理，煅烧时间为20min。
6.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述化学泵涂料制备方法为：将苯乙烯4-8、空心玻璃微珠6-9、聚四氟乙烯树脂40-42、甘油醇酸树脂2-6、滑石粉3-5、羧甲基纤维素4-6、氮化硅1-3、三聚氰胺1-3、铝银浆改性环氧树脂18-25、氨基硅烷12-16，按照各重量份数在常温下搅拌45min，之后再进行研磨处理，即可。
7.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述化学泵涂料适用于化学泵金属材料泵壳。
8.根据权利要求1所述的一种化学泵泵壳用涂料，其特征在于，所述化学泵涂料的使用方法为：
①对化学泵泵壳采用入质量分数为5%盐酸溶液清洗10min，再放入丙酮中采用超声清洗5-8s；
②对化学泵泵壳在158-170℃的温度进行加热10min，然后冷却至38-45℃；
③将经过②处理后的化学泵泵壳放入浸泡液中浸泡15min，浸泡温度为43-48℃，然后进行表面清洗，烘干；所述浸泡液按重量份计由以下成分制成：硝酸锌2、钼酸钠0.1、尿素3、碳酸钾1、植酸2 、氯化钠2、余量水；
④在100-120℃温度条件下，对经过③处理的化学泵泵壳喷涂本发明化学泵涂料，喷涂厚度为100-150μm，喷涂完后，保温20min，自然冷却至室温，即可。
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