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涂料标准GB1710-79 颜料耐光性测定法

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发表于 2023-3-4 17:11:35 | 显示全部楼层 |阅读模式
南召城市驿栈时尚酒店贺天宇新能源热水工程完工!
推荐简介:南召城市驿站时尚酒店是一家连锁式时尚快捷酒店,该工程为空气能热水工程,设计日产水量8T,较大日产水量10T,可同时满足48间客房的热水供应。投入使用后年节省运行费用8万元左右。目前该工程已施工完成,投入使用,欢迎新老客户莅临指导参观。本文相关词条解释产水量在给定时段内,从单位 流域面积上所产生的河川径流量。热水rè shuǐ  1.沸水或温度曾达到沸点的水。  2.温开水。  3.水名。在今河北省!!

本方法是将颜料研磨于一定的介质中,制成样板,与日晒牢度蓝色标准同时在规定的光源下,经一定时间曝晒后,其变色程度,以"级"表示。  1 材料和仪器设备<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />天平(感量0.2g、0.0004g);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />电热鼓风箱(灵敏度&plusmn;1℃);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />刮板细度计(0~100um);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />小砂磨机;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />电机:转速2800r/min;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />容器:内径65mm,高115mm;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />玻璃珠:直径2~3mm。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />氙灯日晒机(1.5KW);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />调墨刀(长178mm,宽7~18mm);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />漆刷及喷枪;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />铜丝布(100目);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />马口铁板(厚0.2~0.3mm);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />黑厚卡纸;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />书写纸;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />日晒牢度蓝色标准(GB730);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />染色牢度褪色样卡(GB250);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />天然日晒玻璃框(以厚约3mm均匀无色的窗玻璃和木框构成,木框四周有小孔,使空气流通,并不受雨水和灰尘的影响,曝晒试样与玻璃间距为20~50mm);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />椰子油改性醇酸树脂;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />颜色:不大于8(铁钴比色计);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />粘度:20~60s/25℃(徐-4粘度计);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />酸值;不大于7.5mgKOH/g;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />固体含量:48~52%;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />三聚氰胺甲醛树脂<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />颜色:不大于1(铁钴比色计)<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />粘度:60~90s/25℃(涂-4粘度计);<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />酸值:不大于2mgKOH/g;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />固体含量:58~62%;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />涂料用金红石型二氧化钛;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />铅锰钴催干剂;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />二甲苯(YB301)。  2 测定步骤<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />2.1 试样的制备<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />参照下表1、2,根据颜料品种和所需冲淡倍数,按次序称取椰子油改性醇酸树脂、颜料、冲淡剂和玻璃珠,放入容器内,加入适量二甲苯、搅拌均匀,砂磨至细度在30um以下,再加入所需的三聚氰胺甲醛树脂及铅锰钴催干剂(约为树脂量的0.2%),搅拌均匀,经100目铜丝布过滤,用二甲苯调节至适宜制板粘度。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />表1 有机颜料冲淡倍数颜料,g冲淡剂(涂料用金红石型二氧化钛)g椰子油改性醇酸树脂,g三聚氰胺甲醛树脂,g玻璃珠,g 本色10—60301201倍55603012020倍1.223.85025120100倍0.2524.755025120  表2 无机颜料冲淡倍数颜料,g冲淡剂(涂料用金红石型二氧化钛)g椰子油改性醇酸树脂,g三聚氰胺甲醛树脂,g玻璃珠,g本色25—50251201倍12.512.5502512020倍1.223.85025120  2.2 制板<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />将马口铁板用0号砂纸打磨,用二甲苯清洗,将试样刷涂或喷涂在已处理好的马口铁板上,置于无灰尘处,使其流平0.5h,放入温度已调节到100℃的烘箱内烘0.5h,取出冷却至室温备用。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />2.3 耐光试验<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />2.3.1 日晒牢度机法<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />把制备好的样板和《日晒牢度蓝色标准》样卡用黑卡纸内衬书写纸遮盖一半,放入日晒机,当晒至《日晒牢度蓝色标准》中的7级褐色到相当于《染色牢度退色样卡》的3级即为终点,将其取出,放于暗处0.5h后评级。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />2.3.2 天然日光曝晒法<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />按(2.3.1)法规定将样板和《日晒牢度蓝色标准》样卡同时置于天然日晒玻璃框中,晒架与水平面呈当地地理纬度角朝南曝晒,注意框边阴影不落于样板或蓝色标样卡上,并经常擦除玻璃上的灰尘,阴雨停止曝晒,日晒终点同(2.3.1)法。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />2.4 评级方法<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />在散射光线下观察试样变色程度,与蓝色标准样卡的变色程度相比,如果试样和蓝色标准样卡中的某一级相当,则其耐光等级为该级;如果变色程度介于二级之间,则其耐光等级为二者之间,如3~4级,5~6级。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />色光的变化可加注深、红、黄、蓝、棕、暗等。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />耐光评语以8级最好,1级最劣。<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; word-wrap: break-word; " />颜料的耐光性评级以本色的样板为主,冲淡样板作为参考。
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