CN114875710A - 一种磨砂涂料及其制备方法与应用 - Google Patents
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Abstract
本发明提供一种磨砂涂料及其制备方法与应用;一种磨砂涂料,按重量份数计,包括:颜料分散液30‑60份;光固树脂20‑50份;光引发剂2‑9份;胶粘剂10‑15份;助剂2‑6份;水适量;本发明的磨砂涂料先在颜料分散液中加入了磨砂粉,使得磨砂粉与高岭土充分混合,避免了涂料中磨砂不均的问题,同时也使得涂料在干燥过程中的成膜厚度更均匀;均匀涂料的干燥过程更可控,不会出现部分干燥部分湿润的情况,且涂料中加入的光固树脂在紫外光下能加快涂料的成膜速度;成膜过程中,硅烷和椰子油二乙醇酰胺的加入增强了涂料与基材之间的粘接强度以及成膜强度;光固树脂、硅烷以及椰子油二乙酰胺醇的配合使得涂料既能牢固地涂布在基材上,又能快速成膜。
Description
技术领域
本发明涉及纸张涂料领域,尤其涉及一种磨砂涂料及其制备方法与应用。
背景技术
涂布纸是在原纸的至少一个表面上涂布以颜料为主要成分的涂料后进行干燥而形成的,涂布纸可经多色印刷或单色印刷后作为招贴、宣传册、广告画等商用印刷物,或作为书籍、杂志等出版物,在日常工作和生活中得到广泛的应用。
随着时代的进步,人们对于涂布纸的要求已经不局限于其质量,更看重其外观,近年来,磨砂哑光的风格逐渐兴起,现有的磨砂卡纸大多是通过印刷达到哑光感,印刷过程中存在着印刷不均匀、磨砂感不足等问题。
因此,亟需一种在涂布阶段即可获得磨砂哑光质感的纸的磨砂涂料。
发明内容
本发明的目的是针对现有技术中的不足,提供一种磨砂涂料及其制备方法与应用。
为实现上述目的,本发明采取的技术方案是:
本发明的第一方面是提供一种磨砂涂料,按重量份数计,包括:
优选地,按重量份数计,单份所述颜料分散液包括:
高岭土 20-50份;
磨砂粉 10-40份;
水 适量。
更优选地,所述磨砂粉选自纳米级石墨烯颗粒、氧化硅粉末、聚丙烯或聚苯乙烯微球中的至少一种。
优选地,所述光固树脂选自刚性脂环族环氧树脂、柔性脂环族环氧树脂、聚丙烯酸类树脂或含羧基树脂中的至少一种。
优选地,按重量份数计,单份所述胶粘剂包括:
更优选地,所述羧酸单体选自丙烯酸、甲基丙烯酸、马来酸、富马酸或衣康酸中的至少一种。
优选地,按重量份数计,单份所述助剂包括:
更优选地,所述消泡剂选自乳化硅油、高碳醇复合物、聚醚、聚二甲基硅氧烷中的至少一种。
本发明的第二方面是提供一种上述磨砂涂料的制备方法,步骤包括:
S1、按重量份数依次称取高岭土以及磨砂粉,加入水中,高速搅拌,制得颜料分散液;
S2、按重量份数依次在步骤S1制得的所述颜料分散液中加入光固树脂、光引发剂、胶粘剂、助剂以及水,高速搅拌至均匀,即得所述磨砂涂料。
本发明的第三方面是提供一种上述磨砂涂料在制备哑光纸中的应用。
本发明采用以上技术方案,与现有技术相比,具有如下技术效果:
本发明的磨砂涂料先在颜料分散液中加入了磨砂粉,使得磨砂粉与高岭土充分混合,避免了涂料中磨砂不均的问题,同时也使得涂料在干燥过程中的成膜厚度更均匀;均匀涂料的干燥过程更可控,不会出现部分干燥部分湿润的情况,且涂料中加入的光固树脂在紫外光下能加快涂料的成膜速度;成膜过程中,硅烷和椰子油二乙醇酰胺的加入增强了涂料与基材之间的粘接强度以及成膜强度;光固树脂、硅烷以及椰子油二乙酰胺醇的配合使得涂料既能牢固地涂布在基材上,又能快速成膜。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。
下面结合具体实施例对本发明作进一步说明,但不作为本发明的限定。
实施例1
本实施例提供一种磨砂涂料的制备方法,步骤包括:
S1、按重量份数依次称取20份高岭土以及10份纳米级石墨烯颗粒,加入 50份水中,以1000rpm的速度搅拌10min,制得1份颜料分散液;
S2、按重量份数依次称取2份羧酸单体、15份丁二烯、0.1份椰子油二乙酰胺醇、0.3份硅烷以及0.2份分子量调节剂,加入50份水中,搅拌均匀,制得1 份胶粘剂;
按重量份数依次称取0.3份流平剂、0.5份稀释剂、0.1份表面活性剂以及0.2 份消泡剂,搅拌均匀,即得1份助剂;
S3、按重量份数依次在步骤S1制得的30份所述颜料分散液中加入20份柔性脂环族环氧树脂、2份光引发剂、10份步骤S2制得的胶粘剂、2份步骤S2制得的助剂以及100份水,以2000rpm的速度搅拌至均匀,即得所述磨砂涂料。
实施例2
本实施例提供另一种磨砂涂料的制备方法,步骤包括:
S1、按重量份数依次称取50份高岭土以及40份氧化硅粉末,加入100份水中,以1000rpm的速度搅拌15min,制得1份颜料分散液;
S2、按重量份数依次称取10份羧酸单体、50份丁二烯、3份椰子油二乙酰胺醇、5份硅烷以及3份分子量调节剂,加入100份水中,搅拌均匀,制得1份胶粘剂;
按重量份数依次称取1份流平剂、1份稀释剂、0.6份表面活性剂以及0.5份消泡剂,搅拌均匀,即得1份助剂;
S3、按重量份数依次在步骤S1制得的60份所述颜料分散液中加入50份含羧基树脂、9份光引发剂、15份步骤S2制得的胶粘剂、6份步骤S2制得的助剂以及200份水,以2000rpm的速度搅拌至均匀,即得所述磨砂涂料。
实施例3
本实施例提供另一种磨砂涂料的制备方法,步骤包括:
S1、按重量份数依次称取35份高岭土以及25份氧化硅粉末,加入80份水中,以1000rpm的速度搅拌12min,制得1份颜料分散液;
S2、按重量份数依次称取6份羧酸单体、32份丁二烯、1.5份椰子油二乙酰胺醇、2.5份硅烷以及1.6份分子量调节剂,加入60份水中,搅拌均匀,制得1 份胶粘剂;
按重量份数依次称取0.6份流平剂、0.7份稀释剂、0.35份表面活性剂以及 0.35份消泡剂,搅拌均匀,即得1份助剂;
S3、按重量份数依次在步骤S1制得的45份所述颜料分散液中加入35份聚丙烯酸类树脂、5份光引发剂、12份步骤S2制得的胶粘剂、4份步骤S2制得的助剂以及180份水,以2000rpm的速度搅拌至均匀,即得所述磨砂涂料。
对比例
本对比例提供一种纸张涂料,按重量份数计,组分包括:50份高岭土、30 份碳酸钙颗粒、30份聚酯丙烯酸树脂、4份光引发剂、14份羟丙基甲基纤维素、 16份甲基戊醇、9份聚二甲基硅氧烷以及18份pH调节剂。
检测实施例
将对比例以及实施例1-4中的涂料施加到纸张上,将涂布后的纸张置于紫外光下照射固化,固化后测试涂布纸的力学性能、涂料附着力以及涂料的成膜强度;
结果如表1所示:
表1
检测项目 | 对比例 | 实施例1 | 实施例2 | 实施例3 |
磨砂感 | 中 | 细 | 细 | 细 |
固化时间(min) | 2 | 1.2 | 1.5 | 1 |
附着力测试 | 不合格 | 合格 | 合格 | 合格 |
膜开裂程度 | 肉眼清晰可见 | 肉眼不可见 | 肉眼不可见 | 肉眼不可见 |
纸张弯曲模量(GPa) | 1.8 | 2.1 | 2.4 | 2.3 |
综上所述,本发明的磨砂涂料先在颜料分散液中加入了磨砂粉,使得磨砂粉与高岭土充分混合,避免了涂料中磨砂不均的问题,同时也使得涂料在干燥过程中的成膜厚度更均匀;均匀涂料的干燥过程更可控,不会出现部分干燥部分湿润的情况,且涂料中加入的光固树脂在紫外光下能加快涂料的成膜速度;成膜过程中,硅烷和椰子油二乙醇酰胺的加入增强了涂料与基材之间的粘接强度以及成膜强度;光固树脂、硅烷以及椰子油二乙酰胺醇的配合使得涂料既能牢固地涂布在基材上,又能快速成膜。
以上所述仅为本发明较佳的实施例,并非因此限制本发明的实施方式及保护范围,对于本领域技术人员而言,应当能够意识到凡运用本发明说明书内容所作出的等同替换和显而易见的变化所得到的方案,均应当包含在本发明的保护范围内。
Claims (10)
2.根据权利要求1所述的磨砂涂料,其特征在于,按重量份数计,单份所述颜料分散液包括:
高岭土 20-50份;
磨砂粉 10-40份;
水 适量。
3.根据权利要求2所述的磨砂涂料,其特征在于,所述磨砂粉选自纳米级石墨烯颗粒、氧化硅粉末、聚丙烯或聚苯乙烯微球中的至少一种。
4.根据权利要求1所述的磨砂涂料,其特征在于,所述光固树脂选自刚性脂环族环氧树脂、柔性脂环族环氧树脂、聚丙烯酸类树脂或含羧基树脂中的至少一种。
6.根据权利要求5所述的磨砂涂料,其特征在于,所述羧酸单体选自丙烯酸、甲基丙烯酸、马来酸、富马酸或衣康酸中的至少一种。
8.根据权利要求7所述的磨砂涂料,其特征在于,所述消泡剂选自乳化硅油、高碳醇复合物、聚醚、聚二甲基硅氧烷中的至少一种。
9.一种如权利要求1-8任一项所述磨砂涂料的制备方法,其特征在于,步骤包括:
S1、按重量份数依次称取高岭土以及磨砂粉,加入水中,高速搅拌,制得颜料分散液;
S2、按重量份数依次在步骤S1制得的所述颜料分散液中加入光固树脂、光引发剂、胶粘剂、助剂以及水,高速搅拌至均匀,即得所述磨砂涂料。
10.一种如权利要求1-8任一项所述磨砂涂料在制备哑光纸中的应用。
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