CN111393955A - 一种石化管道防腐涂料 - Google Patents

一种石化管道防腐涂料 Download PDF

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CN111393955A
CN111393955A CN202010342163.3A CN202010342163A CN111393955A CN 111393955 A CN111393955 A CN 111393955A CN 202010342163 A CN202010342163 A CN 202010342163A CN 111393955 A CN111393955 A CN 111393955A
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容七英
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Abstract

本发明提供一种石化管道防腐涂料，由A组分和B组分组成，具体为：A组分由环氧树脂，稀释剂，填料，颜料，助剂组成；B组分由固化剂，促进剂组成。

Description

一种石化管道防腐涂料
技术领域
本发明涉及涂料技术领域，具体地，本发明涉及一种石化管道防腐涂料。
背景技术
我国能源发展坚持节约与开发并举，其中节约放在首位。在石油炼化行业，每年因管道散热而损失的能量约占总耗能的三分之一，管道腐蚀和散热不仅影响正常的生产经营，同时也会带来诸多的安全隐患，所以管道绝热防腐已经成为石化行业面临的严重问题。近年来，中国石化所属炼化企业保温层下腐蚀问题逐渐显现，已经成为影响装置长周期安全稳定运行的一个突出问题。
随着技术的进步和腐蚀问题的多样化,人们对防腐涂料的品种和性能也提出了更多、更高的要求。环氧树脂由于具有良好的耐热性、高强度和对基材良好的
黏附性能,所以在涂料领域中作为基料被广泛应用。但环氧树脂固化物通常具有较大的脆性,导致其耐冲击、抗剥离和耐振动疲劳等性能较差,影响其使用范围。
因此需要研制开发高性能、低 VOC、多功能的防腐蚀涂料是石油石化工业安全、环保、高效生产的需求。
发明内容
本发明的目的在于提供一种石化管道防腐涂料,由A组分和B组分组成，具体为：
A组分由环氧树脂，稀释剂，填料，颜料，助剂组成；
B组分由固化剂，促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7。
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3。
所述填料为中空玻璃微珠和氮化硼粉，重量比为1：3。
所述颜料为炭黑。
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅BYK301 流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
所述石化管道防腐涂料的制备方法，包括以下步骤：
1）将A组分在高速分散机下、室温下充分混合；然后
2）加入B组分，保持室温并充分混合后得到所述石化管道防腐涂料。
具体实施方式
参选以下本发明的优选实施方法的详述以及包括的实施例可更容易地理解本发明的内容。除非另有限定，本文使用的所有技术以及科学术语具有与本发明所属领域普通技术人员通常理解的相同的含义。当存在矛盾时，以本说明书中的定义为准。
如本文所用术语“由…制备”与“包含”同义。本文中所用的术语“包含”、“包括”、“具有”、“含有”或其任何其它变形，意在覆盖非排它性的包括。例如，包含所列要素的组合物、步骤、方法、制品或装置不必仅限于那些要素，而是可以包括未明确列出的其它要素或此种组合物、步骤、方法、制品或装置所固有的要素。
实施例1
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由56份环氧树脂，4份稀释剂，32份填料，4份颜料，5份助剂组成；
B组分由7份固化剂，2份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3；
所述填料为中空玻璃微珠和氮化硼粉，所述中空玻璃微珠与所述氮化硼粉的重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
实施例2
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由56份环氧树脂，4份稀释剂，32份填料，4份颜料，5份助剂组成；
B组分由7份固化剂，2份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为甲苯和已醇的混合物，重量比为1：3；
所述填料为中空玻璃微珠和氮化硼粉的混合物，重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
实施例3
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由56份环氧树脂，4份稀释剂，32份填料，4份颜料，5份助剂组成；
B组分由7份固化剂，2份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：1；
所述填料为中空玻璃微珠和氮化硼粉的混合物，重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
实施例4
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由56份环氧树脂，4份稀释剂，32份填料，4份颜料，5份助剂组成；
B组分由7份固化剂，2份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3；
所述填料为中空玻璃微珠和氮化硼粉的混合物，重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
实施例5
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由40份环氧树脂，5份稀释剂，38份填料，6份颜料，7份助剂组成；
B组分由7份固化剂，5份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3；
所述填料为中空玻璃微珠和氮化硼粉的混合物，重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
实施例6
一种石化管道防腐涂料，由A组分和B组分组成，按重量份计算，具体为：
A组分由77份环氧树脂，4份稀释剂，20份填料，4份颜料，5份助剂组成；
B组分由7份固化剂，2份促进剂组成。
所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7；
所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3；
所述填料为中空玻璃微珠和氮化硼粉的混合物，重量比为1：3；
所述颜料为炭黑；
所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1；
所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（JeffamineXTJ-590）的混合物，重量比为1：1.2；
所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1；
石化管道防腐涂料的制备方法，步骤为：
1）将A组分在高速分散机下（500转/分）、室温下充分混合30分钟；然后
2）加入B组分，保持室温并充分混合60分钟后，得到所述石化管道防腐涂料。
本发明的管道防腐涂料的使用方法：采用喷涂或刷涂方法涂覆在管道内壁。涂覆好的管道在50℃的环境下6h固化。
性能检测
表1性能测试结果
附着力/MPa 耐酸性加速试验 耐碱性加速试验
实施例1 10.3 92天不起泡不生锈 71天不起泡不生锈
实施例2 7.2 77天不起泡不生锈 51天不起泡不生锈
实施例3 8.1 83天不起泡不生锈 58天不起泡不生锈
实施例4 7.0 75天不起泡不生锈 48天不起泡不生锈
实施例5 8.8 86天不起泡不生锈 63天不起泡不生锈
实施例6 8.2 83天不起泡不生锈 59天不起泡不生锈
实施例7 7.7 79天不起泡不生锈 56天不起泡不生锈
从上述数据可以看出，本发明提供的石化管道防腐涂料，其具有优异的耐酸耐碱性强，耐重腐蚀，附着力强的性能。
以上列举的仅是本发明的具体实施例子。显然，本发明不限于以上实施例子，还可以有许多变形。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形，均应认为是本发明的保护范围。

Claims (9)

1.一种石化管道防腐涂料,由A组分和B组分组成，具体为：
A组分由环氧树脂，稀释剂，填料，颜料，助剂组成；
B组分由固化剂，促进剂组成。
2.根据权利要求1所述石化管道防腐涂料，所述环氧树脂为环氧树脂E-44和环氧树脂E-55的混合物，重量比为1：0.7。
3.根据权利要求1所述石化管道防腐涂料，所述稀释剂为二甲苯和乙醇的混合物，重量比为1：3。
4.根据权利要求1所述石化管道防腐涂料，所述填料为中空玻璃微珠和氮化硼粉，重量比为1：3。
5.根据权利要求1所述石化管道防腐涂料，所述颜料为炭黑。
6.根据权利要求1所述石化管道防腐涂料，所述助剂为流平剂、消泡剂和偶联剂的混合物，所述流平剂为聚醚改性有机硅 BYK301 流平剂；所述消泡剂为二甲基硅油；所述偶联剂为KH-560，重量比为1:1:1。
7.根据权利要求1所述石化管道防腐涂料，所述固化剂为脂环改性胺类固化剂（昌德化工CDA3034）和聚醚胺固化剂（Jeffamine XTJ-590）的混合物，重量比为1：1.2。
8.根据权利要求1所述石化管道防腐涂料，所述促进剂为2-甲基咪唑和己二胺的混合物，重量比为1:1。
9.根据权利要求1所述石化管道防腐涂料的制备方法，其特征在于，包括以下步骤：
1）将A组分在高速分散机下、室温下充分混合；然后
2）加入B组分，保持室温并充分混合后得到所述石化管道防腐涂料。
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