CN105505038A - 一种导静电防腐蚀涂料、涂膜及其喷涂工艺和罐体 - Google Patents
一种导静电防腐蚀涂料、涂膜及其喷涂工艺和罐体 Download PDFInfo
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Abstract
本发明涉及油罐车技术领域,具体涉及一种导静电防腐蚀涂料、涂膜及其喷涂工艺和罐体,导静电防腐蚀涂料由底漆和面漆组成,底漆为鳞片型无机富锌底漆,面漆为导静电聚氨酯面漆。先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成底涂层,静置8~24小时;待底涂层完全硬干后,继续在底涂层的表面喷涂一层导静电聚氨酯面漆,形成面涂层,继续静置8~24小时后,得到厚度为250-300微米的涂膜。与现有技术相比,本发明的涂膜能够牢固地粘附于碳钢材质的罐体内壁,具有防止静电积累和防止油品腐蚀的功能,罐体不需额外增加蚀余量,减轻了重量,降低了罐体制造成本和运输成本,提高了运输效率和稳定性。
Description
技术领域
本发明涉及油罐车技术领域,具体涉及一种导静电防腐蚀涂料、涂膜及其喷涂工艺和罐体。
背景技术
油罐车主要用于石油的衍生品(汽油、柴油、原油、润滑油及煤焦油等油品)的运输和储藏。
因碳钢具有强度高、价格低廉的优点,现有油罐车的罐体大多采用碳钢板制作,但是,由于汽油、柴油等油品对碳钢有腐蚀作用,现有技术中在设计罐体的罐壳和封头壁厚时,需要考虑蚀余量,蚀余量的厚度通常是1mm,因此,需额外地增加了罐壁的厚度,造成碳钢板制成的整个罐体的重量增大。一方面,由于罐体较大,额外增加的罐体重量提高了制造成本和运输成本,而且降低了运输效率;另一方面,额外增加的罐体重量提高了油罐车的重心,从而降低了油罐车在运输中的稳定性;再者,油品在运输过程中,与罐体产生相对运动会产生大量静电荷使罐体内壁的静电压升高,当积累的静电荷超过极限值时会产生燃烧和爆炸,从而影响运输的安全性。
发明内容
本发明的目的之一在于针对现有技术的不足,提供一种导静电、防止汽油、柴油等油品对罐体造成腐蚀的导静电防腐蚀涂料。
本发明的目的之二在于针对现有技术的不足,提供一种具有导静电、防止汽油、柴油等油品对罐体造成腐蚀的涂膜。
本发明的目的之三在于针对现有技术的不足,提供一种具有导静电防腐蚀涂膜的罐体,该罐体能够导静电和防止油品对罐体的腐蚀,且重量轻,有利于降低制造成本、提高罐体的运输效率、运输稳定性及安全性。
本发明的目的之四在于针对现有技术的不足,提供一种涂膜的喷涂工艺,该喷涂工艺所制成的涂膜能够导静电和防止油品对罐体的腐蚀,而且工艺简单易操作。
为了实现上述目的,本发明采用如下技术方案:
提供一种导静电防腐蚀涂料,由底漆和面漆组成,所述底漆为鳞片型无机富锌底漆,所述面漆为导静电聚氨酯面漆。
优选的,所述鳞片型无机富锌底漆由组份A和组份B混合而成,所述组份A和所述组份B的质量比为2~4:1~3,其中:
所述组份A由以下质量百分比的原料组成:
所述组份B由以下质量百分比的原料组成:
更优选的,所述组份A和所述组份B的质量比为2:1。
更优选的,所述组份A由以下质量百分比的原料组成:
所述组份B由以下质量百分比的原料组成:
优选的,所述导静电聚氨酯面漆由组份C和组份D混合而成,所述组份C和所述组份D的质量比为2~4:1~3,其中:
所述组份C由以下质量百分比的原料组成:
所述组份D由以下质量百分比的原料组成:
异氢酸酯50-70%
二甲苯30-50%。
更优选的,所述组份C和所述组份D的质量比为2:1。
更优选的,所述组份C由以下质量百分比的原料组成:
所述组份D由以下质量百分比的原料组成:
异氢酸酯60%
二甲苯40%。
本发明还提供了上述导静电防腐蚀涂料制成的涂膜,所述涂膜包括底涂层和设置于所述底涂层上表面的面涂层,所述底涂层为所述鳞片型无机富锌底漆制成的底涂层,所述面涂层为所述导静电聚氨酯面漆制成的面涂层。
本发明还提供一种罐体,所述罐体的内壁设置有上述涂膜,所述涂膜的厚度设置为250-300微米。
本发明还提供上述涂膜的喷涂工艺,包括以下步骤:
(1)先在罐体的内壁喷涂一层所述鳞片型无机富锌底漆,形成底涂层,然后静置8~24小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层所述导静电聚氨酯面漆,形成面涂层,继续静置8~24小时后,得到所述涂膜。
本发明的有益效果是:
本发明的一种导静电防腐蚀涂料,由底漆和面漆组成,所述底漆为鳞片型无机富锌底漆,所述面漆为导静电聚氨酯面漆。该油罐导静电防腐蚀涂料具有导静电和防腐蚀的优点,可喷涂于油罐的内壁形成具有导静电防腐蚀内涂层,起到导静电和防止油品对罐体内部产生腐蚀的作用。与现有技术相比,本发明具有以下优点:
1)本发明的涂料由鳞片型无机富锌底漆和导静电聚氨酯面漆组成,其中鳞片型无机富锌底漆具有优良的防腐蚀作用而且耐高温,导静电聚氨酯面漆具有优良的导静电的作用,而且耐碰撞和腐蚀,其导电性能不收温度、压力和温度的影响。本发明的涂料采用上述鳞片型无机富锌底漆和导静电聚氨酯面漆的组合协同作用,可制成厚度为250-300微米的超薄涂膜并涂覆于罐体的内壁,该涂膜能够牢固地粘附于碳钢材质的罐体内壁,使罐体内壁具有防止静电积累和防止油品腐蚀的效果;
2)本发明的罐体的整个内壁喷涂有一层导静电防腐蚀涂膜,从而形成保护层,使油品不会与罐体的金属材料接触,所以不会对罐体产生腐蚀而且避免静电荷的积累,而且该涂膜的厚度为250-300微米,远远小于现有技术罐体的腐蚀余量为1毫米的厚度,而且相比1毫米的碳钢材质的壁厚,涂膜的重量极轻,因此在设计加工罐体及其封头的壁厚时,可将腐蚀余量设计为0,从而大大减少了整个罐体和运输车的重量,罐体尺寸越大,减少量越大,进而降低罐体的制造成本,提高运输效率,并且降低了整车重心,进而提高运输车的稳定性和安全性能;
3)本发明的涂膜的喷涂工艺简单,易于操作,可喷涂于碳钢等多种不同材质的罐体。
具体实施方式
结合以下实施例对本发明作进一步说明。
实施例1。
本实施例的一种导静电防腐蚀涂料,按表1所示,将各组分物料依次加入带有搅拌器的容器中混合均匀,分别制备鳞片型无机富锌底漆和导静电聚氨酯面漆。
表1.实施例1的导静电防腐蚀涂料各组分物料配比
将上述制备的导静电防腐蚀涂料喷涂于罐体的内壁,步骤如下:
(1)通过高压喷涂机先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成厚度为130微米的底涂层,然后静置10小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层导静电聚氨酯面漆,形成厚度为150微米的面涂层,继续静置12小时后,在罐体的内壁形成总厚度为280微米的涂膜。
实施例2。
本实施例的一种导静电防腐蚀涂料,按表2所示,将各组分物料依次加入带有搅拌器的容器中混合均匀,分别制备鳞片型无机富锌底漆和导静电聚氨酯面漆。
表2.实施例2的导静电防腐蚀涂料各组分物料配比
将上述制备的导静电防腐蚀涂料喷涂于罐体的内壁,步骤如下:
(1)通过高压喷涂机先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成厚度为125微米的底涂层,然后静置12小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层导静电聚氨酯面漆,形成厚度为125微米的面涂层,继续静置15小时后,在罐体的内壁形成总厚度为300微米的涂膜。
实施例3。
本实施例的一种导静电防腐蚀涂料,按表3所示,将各组分物料依次加入带有搅拌器的容器中混合均匀,分别制备鳞片型无机富锌底漆和导静电聚氨酯面漆。
表3.实施例3的导静电防腐蚀涂料各组分物料配比
将上述制备的导静电防腐蚀涂料喷涂于罐体的内壁,步骤如下:
(1)通过高压喷涂机先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成厚度为140微米的底涂层,然后静置16小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层导静电聚氨酯面漆,形成厚度为135微米的面涂层,继续静置18小时后,在罐体的内壁形成总厚度为275微米的涂膜。
实施例4。
本实施例的一种导静电防腐蚀涂料,按表4所示,将各组分物料依次加入带有搅拌器的容器中混合均匀,分别制备鳞片型无机富锌底漆和导静电聚氨酯面漆。
表4.实施例4的导静电防腐蚀涂料各组分物料配比
将上述制备的导静电防腐蚀涂料喷涂于罐体的内壁,步骤如下:
(1)通过高压喷涂机先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成厚度为150微米的底涂层,然后静置20小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层导静电聚氨酯面漆,形成厚度为140微米的面涂层,继续静置16小时后,在罐体的内壁形成总厚度为290微米的涂膜。
实施例5。
本实施例的一种导静电防腐蚀涂料,按表5所示,将各组分物料依次加入带有搅拌器的容器中混合均匀,分别制备鳞片型无机富锌底漆和导静电聚氨酯面漆。
表5.实施例5的导静电防腐蚀涂料各组分物料配比
将上述制备的导静电防腐蚀涂料喷涂于罐体的内壁,步骤如下:
(1)通过高压喷涂机先在罐体的内壁喷涂一层鳞片型无机富锌底漆,形成厚度为135微米的底涂层,然后静置22小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层导静电聚氨酯面漆,形成厚度为130微米的面涂层,继续静置20小时后,在罐体的内壁形成总厚度为265微米的涂膜。
实施例1至实施例6的罐体盛装汽油、柴油等油品并进行导静电和防腐蚀测试,均显示具有良好的导静电功能且未发生罐体腐蚀现象。
综上,本发明的导静电防腐蚀涂料能制成厚度为250-300微米的超薄涂膜,其具有良好的导静电和防腐蚀的功能,该涂膜能够很好地粘附于碳钢材质的罐体内壁,将该涂膜喷涂于罐体的整个内壁,从而形成保护层,使油品不会与罐体的金属材料接触,所以不会对罐体产生腐蚀而且避免静电荷的积累;该涂膜的厚度为250-300微米,远远小于现有技术罐体的腐蚀余量为1毫米的厚度,而且相比1毫米的碳钢材质的壁厚,涂膜的重量极轻,因此在设计加工罐体及其封头的壁厚时,可将腐蚀余量设计为0,从而大大减少了整个罐体和运输车的重量,罐体尺寸越大,减少量越大,进而降低罐体的制造成本,提高运输效率,并且降低了整车重心,进而提高运输车的稳定性和安全性能;
3)本发明的涂膜的喷涂工艺简单,易于操作,可喷涂于碳钢等多种不同材质的罐体。最后应当说明的是,以上实施例仅用于说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。
Claims (10)
1.一种导静电防腐蚀涂料,其特征在于:由底漆和面漆组成,所述底漆为鳞片型无机富锌底漆,所述面漆为导静电聚氨酯面漆。
2.根据权利要求1所述的一种导静电防腐蚀涂料,其特征在于:所述鳞片型无机富锌底漆由组份A和组份B混合而成,所述组份A和所述组份B的质量比为2~4:1~3,其中:
所述组份A由以下质量百分比的原料组成:
所述组份B由以下质量百分比的原料组成:
3.根据权利要求2所述的一种导静电防腐蚀涂料,其特征在于:所述组份A和所述组份B的质量比为2:1。
4.根据权利要求2所述的一种导静电防腐蚀涂料,其特征在于:所述组份A由以下质量百分比的原料组成:
所述组份B由以下质量百分比的原料组成:
。
5.根据权利要求1所述的一种导静电防腐蚀涂料,其特征在于:所述导静电聚氨酯面漆由组份C和组份D混合而成,所述组份C和所述组份D的质量比为2~4:1~3,其中:
所述组份C由以下质量百分比的原料组成:
所述组份D由以下质量百分比的原料组成:
异氢酸酯50-70%
二甲苯30-50%。
6.根据权利要求5所述的一种导静电防腐蚀涂料,其特征在于:所述组份C和所述组份D的质量比为2:1。
7.根据权利要求5所述的一种导静电防腐蚀涂料,其特征在于:
所述组份C由以下质量百分比的原料组成:
所述组份D由以下质量百分比的原料组成:
异氢酸酯60%
二甲苯40%。
8.一种如权利要求1至7任一项所述的导静电防腐蚀涂料制成的涂膜,其特征在于:所述涂膜包括底涂层和设置于所述底涂层上表面的面涂层,所述底涂层为所述鳞片型无机富锌底漆制成的底涂层,所述面涂层为所述导静电聚氨酯面漆制成的面涂层。
9.一种罐体,其特征在于:所述罐体的内壁设置有权利要求8所述的涂膜,所述涂膜的厚度设置为250-300微米。
10.如权利要求8所述的涂膜的喷涂工艺,其特征在于:包括以下步骤:
(1)先在罐体的内壁喷涂一层所述鳞片型无机富锌底漆,形成底涂层,然后静置8~24小时;
(2)待所述底涂层完全硬干后,继续在所述底涂层的表面喷涂一层所述导静电聚氨酯面漆,形成面涂层,继续静置8~24小时后,得到所述涂膜。
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