CN115595054B - 一种水性反射隔热涂料及其制备方法 - Google Patents
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Abstract
本发明属于涂料技术领域,公开了一种水性反射隔热涂料及其制备方法。涂料组分包括水性丙烯酸乳液、聚脲改性异氰酸酯预聚体、去离子水、金红石型钛白粉、稀土纳米隔热剂、功能性隔热填料、分散剂、消泡剂、PH调节剂、聚氨酯增稠剂剂、基材润湿剂、助溶剂。本发明制备的涂料,具有长效防腐性和耐久性,在海洋腐蚀环境下,涂层设计使用寿命可达到10‑15年,完全可以满足石油储运行业长效、经济、安全的防腐要求。
Description
技术领域
本发明属于涂料技术领域,具体涉及一种水性反射隔热涂料及其制备方法。
背景技术
针对我国石油战略储备的需要和经济发展对石油资源需求量的不断增大,我国近年来新建和已建了大量石油储罐。钢制石油储罐在夏季高温环境下吸收太阳光能量,罐体温度不断升高,外壁温度最高可以达到50~70℃。由于热传导的作用,导致储罐内部油品温度升高,从而加快油品挥发,不仅增加了能源的浪费和环境污染,还大大增加火灾危险。另一方面,随着我国加大对海洋矿产资源的勘查开发力度,鼓励发展商业石油储备和成品油储备,越来越多的油港码头和近海油库已成为输油工业不可缺少的重要环节。沿海区域腐蚀环境恶劣,会大大加速油罐腐蚀,给安全生产带来很多隐患。因此,做好储罐的隔热与防腐,减少油品挥发引起能源浪费、减少环境污染、消除安全隐患,以及延长储罐设备的长期安全运行,具有重要的意义。
目前对于轻质油罐的隔热降温主要采用涂装反射隔热涂料和喷淋水的方式,降温效果并不理想。不仅造成水资源的浪费,而且地下水中的杂质、沙土还会影响储罐外观效果,降低储罐外表面涂层太阳光反射比,达不到长效隔热降温效果。目前,石油储罐用反射隔热涂料产品以单组份凉凉胶为主,其隔热性、防腐性和耐老化性不理想。在工业大气腐蚀环境下,使用寿命为仅为5~8年。在海洋腐蚀环境下,涂层使用寿命会进一步缩短,已经远远不能满足石油储运***长效、经济、安全的防腐等级要求。采用新型涂层材料,提高储罐防腐涂层在夏季高温环境下具有优异的隔热性能,及解决在海洋环境下长效耐腐蚀性和耐久性,成了当务之急。
发明内容
为了克服现有技术的不足,本发明提供一种水性反射隔热涂料及其制备方法,解决目前石油储罐外壁用防腐涂层隔热性能不理想,耐化学腐蚀性和耐老化性差的问题,提供一种能够达到长效防腐15年以上并且具有优异的隔热降温效果的功能性重防腐涂料。
本发明的上述目的是通过以下技术方案实现的:一种水性反射隔热涂料,其特征在于:按重量份数计,该涂料包括以下组份:水性丙烯酸乳液30~40份,聚脲改性异氰酸酯预聚体10~15份,去离子水10~20份、金红石型钛白粉15~25份、稀土纳米隔热剂2.0~5.0份、功能性隔热填料15~25份、分散剂0.1~3.0份、消泡剂0.05~0.2份、PH调节剂0.1~0.4份、聚氨酯增稠剂剂0.1~1.0份、基材润湿剂0.2~0.5份、助溶剂3.0~5.0份。
进一步的,所述聚脲改性异氰酸酯预聚体的组成为二异氰酸酯单体:端羟基聚醚:天门冬氨酸酯树脂:丙二醇甲醚醋酸酯=3.8:4.4:1.8:5.3~6.5。
进一步的,所述端羟基聚醚的平均分子量为2000,官能度为2。所述天门冬氨酸酯树脂为低反应活性天门冬氨酸酯树脂,其NH当量为(g/mol):340~350。
进一步的,所述二异氰酸酯单体为六亚甲基二异氰酸酯(HDI)和异佛尔酮二异氰酸酯(IPDI)的混合物,混合比例为2:1。
进一步的,所述的聚脲改性异氰酸酯预聚体,NOC含量为9.5%~10.5%,质量固含为60%~65%。
进一步的,所述水性丙烯酸乳液是一种具有乳化功能的羟基丙烯酸乳液,羟基含量为2.0%~3.0%,质量固含为42%~45%。
进一步的,所述稀土纳米隔热剂为铈系稀土氧化物的水性分散浆料。
进一步的,所述功能性隔热填料为空心玻璃微珠。空心玻璃微珠为粒径40~60μm和20~30μm的两种混合物,混合比例为2:1。
本发明所述的制备方法具体步骤如下:
⑴制备聚脲改性异氰酸酯预聚体:
①将端羟基聚醚和天门冬氨酸酯树脂在100~120℃、负压0.1MPa的条件下,脱水1h~2h。
②步骤①完成后,降温至50~60℃,在转速800~1200r/min条件下,匀速滴加二异氰酸酯单体,滴加时间为1~1.5h。滴加完毕后,升温至75~80℃,恒温反应1.5~2h;
③步骤②完成后的反应物,降温至常温,在转速为500~800r/min条件下,加入丙二醇甲醚醋酸酯,搅拌0.4~0.6h,即得所述聚脲改性异氰酸酯预聚体。将制备的聚脲改性异氰酸酯预聚体进行过滤,制备水性反射隔热涂料的乙组份。
⑵制备水性分散浆:
在配料罐中加入10~20份去离子水,在500~800转/分钟的低速搅拌下依次加入0.1~3.0份的水性分散剂、0.05~0.2份的水性消泡剂、金红石型钛白粉15~25份,加料完毕,在800~1000转/分钟的中速下分散20~30分钟,将搅拌好的浆料转移到研磨机中,研磨至细度小于20μm,得到水性分散浆;
⑶将30~40份水性丙烯酸乳液加入配料罐中,在500~600转/分钟低速搅拌下依次加入30~40份水性分散浆料、0.1~0.4份PH调节剂、2.0~5.0份稀土纳米隔热剂、15~25份功能性隔热填料、0.2~0.5份基材润湿剂、0.1~1.0份聚氨酯增稠剂剂、3.0~5.0份助溶剂。加料完毕后,在500~800转/分钟中速搅拌30~40分钟至均匀。将搅拌均匀的漆料进行过滤,制得水性反射隔热涂料的甲组份;
⑷使用时将水性反射隔热涂料的甲组份与乙组份按100:10~15混合,搅拌均匀后,进行涂装施工,涂料干膜厚度为200~300μm,涂装完后自然干燥。
本发明与现有技术相比的有益效果是:
1.通过制备的聚脲改性异氰酸酯预聚体,在涂料的成膜物分子结构中,引入了聚脲基团,大大提高了涂层的内聚力,从而提了涂层的附着力和耐防腐性能。
2.本发明不同于常规方法,将天门冬氨酸酯树脂直接加入甲组份中,而导致的反应速度过快(0.5~1h),影响涂料可使用时间的问题。本发明是将聚脲基团引入交联剂组份中,与之相比,可使作时间大大延长(2.5~3h),有利于涂料施工。
3.本发明在合成聚脲改性异氰酸酯预聚体过程中,使用空间位阻大,反应活性低的大分子量天门冬氨酸酯树脂,仲氨基官能团活性较低。不同于目前市场上的常规小分子量的天门冬氨酸酯树脂,反应活性高导致反应剧烈。另外,本发明使用了HDI和IPDI二异氰酸酯的混合物,由于IPDI单体反应活性比HDI低,使得二异氰酸酯单体混合物的反应活性较为适中。因此,在聚脲改性异氰酸酯预聚体合成过程中,反应速度适中,聚合物组成更加均匀。
4.本发明采用了具有乳化功能的含羟基丙烯酸乳液,在涂料配制过程中,能够很好有对聚脲改性异氰酸酯预聚体进行乳化,使本发明制备的涂料具有优异的亲水性能,可以在施工过程中使用水进行稀释,施工简单、操作性强。
5.本发明使用铈系金属氧化物的稀土纳米隔热剂,该稀土纳米隔热剂为水性分散浆,与涂料体系相溶性好。并且该稀土纳米隔热剂具有很好的透明性,不影响涂层透光性和涂层颜色。铈系氧化物的Ce3+和Ce4+氧化态之间的可逆转变,所产生的电子共振和能级跃迁,对涂层的隔热性能有很大的提高。另外,Ce3+和Ce4+氧化态之间的可逆转变过程,对紫外线的吸收有一定的效果,因此,对涂层的抗紫外线老化性能有显著的提升作用。
6.本发明使用了40~60μm和20~30μm两种不同粒径的空心玻璃微珠搭配使用,在涂层结构中,小粒径空心微珠可以很好地填充到大粒径微珠的孔隙中,使涂层中空心微珠排列更加致密,可以显著降低涂层的导热系数,大大提高涂层的反射隔热功能。与普通反射隔热涂料相比,具有显著的隔热降温效果。
7.本发明为水性涂料产品,VOC含量大幅降低、对人体和环境危害小。节约能源。本发明制备的涂料,具有长效防腐性和耐久性,在海洋腐蚀环境下,涂层设计使用寿命可达到10-15年,完全可以满足石油储运行业长效、经济、安全的防腐要求。
具体实施方式
下面通过具体实施例详述本发明,但不限制本发明的保护范围。如无特殊说明,本发明所采用的实验方法均为常规方法,所用实验器材、材料、试剂等均可从商业途径获得。本说明书中涉及的一些原材料产品编号对应生产厂家的情况如表1所示:
表1
实施例1-3
实施例1-3成分配比详见表2
⑴制备聚脲改性异氰酸酯预聚体:
①将端羟基聚醚和聚天门冬氨酸酯树脂在100~120℃、负压0.1MPa的条件下,脱水1h~2h。
②步骤①完成后,降温至50~60℃,在转速800~1200r/min条件下,匀速滴加二异氰酸酯单体,滴加时间为1~1.5h。滴加完毕后,升温至75~80℃,恒温反应1.5~2h;
③步骤②完成后的反应物,降温至常温,在转速为500-800r/min条件下,加入丙二醇甲醚醋酸酯,搅拌0.4~0.6h,即得所述聚脲改性异氰酸酯预聚体,进行过滤,制得水性反射隔热涂料的乙组份;
⑵制备水性分散浆:
在配料罐中加入去离子水,在500~800转/分钟的低速搅拌下依次入水性分散剂、水性消泡剂、金红石型钛白粉,加料完毕,在800~1000转/分钟的中速下分散20~30分钟,搅拌好的浆料转移到研磨机中,研磨至细度小于20μm,得到水性分散浆;
⑶调漆:将水性丙烯酸乳液加入配料罐中,在500~600转/分钟低速搅拌下依次加入水性分散浆料、PH调节剂、稀土纳米隔热剂、功能性隔热填料、基材润湿剂、聚氨酯增稠剂剂、成膜助溶剂。加料完毕后,在500~600转/分钟中速搅拌30~40分钟至均匀;将步骤⑶中搅拌均匀的漆料进行过滤,制得水性反射隔热涂料的甲组份;
⑷配漆:将按上述制备方法制得的甲组份与乙组份按比例进行混合,搅拌均匀后,进行涂装施工,涂料干膜厚度为200~300μm,涂装完后自然干燥。
对比例1~3
对比例1~2操作步骤同实施例1,原料配比见表2,制得水性隔热漆。对比例3采用市售的水性反射隔热涂料,涂膜性能测试结果见表3。
表2
表3
对比结果分析:
1.本发明制备的涂料在耐酸、耐碱及耐水性方面,连续测试720h漆膜无异常。对比例2-3的涂料耐碱性分别在72h和48h出现起泡,耐水性和耐酸性分别在168h和48h出现起泡,效果不理想;本发明的涂料通过了1000h耐盐雾性测试,而对比例2-3均不合格。本发明的涂料耐人工老化测试达到2000h,相比对比例2-3,优势明显。充分说明,本发明采用聚脲改性异氰酸酯预聚体作为交联剂,可以显著提高涂料的耐化学介质性、耐盐雾性和耐老化性。
2.本发明制备的涂料与对比例1相比,耐老化性能提高500h,说明稀土纳米隔热剂对涂层耐老化性的提高有显著效果。
3.本发明与对比例1-3相比,在太阳光反射比和近红外反射比性能方面,均有显著提高,说明稀土纳米隔热剂对提高太阳光反射比和近红外反射比性能方面有显著效果。本发明与对比例1-2相比,隔热温差有明显提高(6-8℃),说明稀土纳米隔热剂对涂层的隔热性能有显著提高。
4.本发明制备的涂层在导热系数性能方面与对比例3(竞品)有明显降低,说明不同粒径的空心微珠的合理搭配使用,可以有效改善空心微珠在涂层中的分布,漆膜更加致密,有效提高涂层隔热性能。
以上所述实施方式仅为本发明的优选实施例,而并非本发明可行实施的全部实施例。对于本领域一般技术人员而言,在不背离本发明原理和精神的前提下对其所作出的任何显而易见的改动,都应当被认为包含在本发明的权利要求保护范围之内。
Claims (2)
1.一种水性反射隔热涂料,其特征在于,成分按重量份数计,该涂料包括以下组份:水性丙烯酸乳液30~40份,聚脲改性异氰酸酯预聚体10~15份,去离子水10~20份、金红石型钛白粉15~25份、稀土纳米隔热剂2.0~5.0份、功能性隔热填料15~25份、分散剂0.1~3.0份、消泡剂0.05~0.2份、PH调节剂0.1~0.4份、聚氨酯增稠剂0.1~1.0份、基材润湿剂0.2~0.5份、助溶剂3.0~5.0份;所述聚脲改性异氰酸酯预聚体的组成为二异氰酸酯单体:端羟基聚醚:天门冬氨酸酯树脂:丙二醇甲醚醋酸酯=3.8:4.4:1.8:5.3~6.5;所述端羟基聚醚的平均分子量为2000,官能度为2;所述天门冬氨酸酯树脂为低反应活性天门冬氨酸酯树脂,其NH当量为340~350,单位为g/mol;所述二异氰酸酯单体为六亚甲基二异氰酸酯和异佛尔酮二异氰酸酯的混合物,混合比例为2:1;所述聚脲改性异氰酸酯预聚体NOC含量为9.5%~10.5%,质量固含为60%~65%;所述水性丙烯酸乳液是一种具有乳化功能的羟基丙烯酸乳液,羟基含量为2.0%~3.0%,质量固含为42%~45%;所述稀土纳米隔热剂为铈系稀土氧化物的水性分散浆料;所述功能性隔热填料为空心玻璃微珠;空心玻璃微珠为粒径40~60μm和20~30μm的两种混合物,混合比例为2:1。
2.权利要求1所述的水性反射隔热涂料的制备方法,其特征在于,步骤为:
⑴制备聚脲改性异氰酸酯预聚体:
①将端羟基聚醚和天门冬氨酸酯树脂在100~120℃、负压0.1MPa的条件下,脱水1h~2h;
②步骤①完成后,降温至50~60℃,在转速800~1200r/min条件下,匀速滴加二异氰酸酯单体,滴加时间为1~1.5h;滴加完毕后,升温至75~80℃,恒温反应1.5~2h;
③步骤②完成后的反应物,降温至常温,在转速为500~800r/min条件下,加入丙二醇甲醚醋酸酯,搅拌0.4~0.6h,即得所述聚脲改性异氰酸酯预聚体;将制备的聚脲改性异氰酸酯预聚体进行过滤,制备水性反射隔热涂料的乙组份;
⑵制备水性分散浆:
在配料罐中加入10~20份去离子水,在500~800转/分钟的低速搅拌下依次加入0.1~3.0份的水性分散剂、0.05~0.2份的水性消泡剂、金红石型钛白粉15~25份,加料完毕,在800~1000转/分钟的中速下分散20~30分钟,将搅拌好的浆料转移到研磨机中,研磨至细度小于20μm,得到水性分散浆;
⑶将30~40份水性丙烯酸乳液加入配料罐中,在500~600转/分钟低速搅拌下依次加入30~40份水性分散浆料、0.1~0.4份PH调节剂、2.0~5.0份稀土纳米隔热剂、15~25份功能性隔热填料、0.2~0.5份基材润湿剂、0.1~1.0份聚氨酯增稠剂、3.0~5.0份助溶剂;加料完毕后,在500~800转/分钟中速搅拌30~40分钟至均匀;将搅拌均匀的漆料进行过滤,制得水性反射隔热涂料的甲组份;
⑷使用时将水性反射隔热涂料的甲组份与乙组份按100:10~15混合,搅拌均匀后,进行涂装施工,涂料干膜厚度为200~300μm,涂装完后自然干燥。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000944A1 (en) * | 2010-06-29 | 2012-01-05 | Bayer Materialscience Ag | Aliphatic polyurea coating, the method for preparing the same and the use thereof |
CN103030773A (zh) * | 2011-10-10 | 2013-04-10 | 珠海飞扬化工有限公司 | 一种聚合型改性聚天门冬氨酸酯化合物及其制备方法 |
CN104098994A (zh) * | 2013-04-02 | 2014-10-15 | 江苏国松特种涂料有限公司 | 一种防腐涂料底漆和面漆组合物 |
CN106752526A (zh) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | 一种水性光反射工业保温涂料及其制备方法 |
CN107793819A (zh) * | 2017-12-14 | 2018-03-13 | 吴海 | 一种聚脲改性的丙烯酸相变保温隔热弹性腻子及其制备方法 |
CN111662622A (zh) * | 2020-06-22 | 2020-09-15 | 成都工业学院 | 一种改性聚脲复合涂料及其制备方法 |
CN113201276A (zh) * | 2020-11-25 | 2021-08-03 | 深圳松田实业有限公司 | 一种uv光固化涂料及其制备方法 |
CN113831831A (zh) * | 2021-10-29 | 2021-12-24 | 江苏德威涂料有限公司 | 一种适用于冬季的水性聚氨酯涂料及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050137291A1 (en) * | 2003-12-17 | 2005-06-23 | Schneider John R. | Coating compositions with enhanced corrosion resistance and appearance |
-
2022
- 2022-10-21 CN CN202211292163.2A patent/CN115595054B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000944A1 (en) * | 2010-06-29 | 2012-01-05 | Bayer Materialscience Ag | Aliphatic polyurea coating, the method for preparing the same and the use thereof |
CN103030773A (zh) * | 2011-10-10 | 2013-04-10 | 珠海飞扬化工有限公司 | 一种聚合型改性聚天门冬氨酸酯化合物及其制备方法 |
CN104098994A (zh) * | 2013-04-02 | 2014-10-15 | 江苏国松特种涂料有限公司 | 一种防腐涂料底漆和面漆组合物 |
CN106752526A (zh) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | 一种水性光反射工业保温涂料及其制备方法 |
CN107793819A (zh) * | 2017-12-14 | 2018-03-13 | 吴海 | 一种聚脲改性的丙烯酸相变保温隔热弹性腻子及其制备方法 |
CN111662622A (zh) * | 2020-06-22 | 2020-09-15 | 成都工业学院 | 一种改性聚脲复合涂料及其制备方法 |
CN113201276A (zh) * | 2020-11-25 | 2021-08-03 | 深圳松田实业有限公司 | 一种uv光固化涂料及其制备方法 |
CN113831831A (zh) * | 2021-10-29 | 2021-12-24 | 江苏德威涂料有限公司 | 一种适用于冬季的水性聚氨酯涂料及其制备方法 |
Non-Patent Citations (2)
Title |
---|
刘子康等.弹性耐候丙烯酸聚氨酯涂料的研制.《新型建筑材料》.2015,第42卷(第01期),39-42. * |
章伟光.《稀土精细化工产品生产技术》.江西科学技术出版社,2002,136. * |
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