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CN104845502A - 一种耐磨耐划涂层用涂料组合物 - Google Patents

一种耐磨耐划涂层用涂料组合物 Download PDF

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CN104845502A
CN104845502A CN201510269986.7A CN201510269986A CN104845502A CN 104845502 A CN104845502 A CN 104845502A CN 201510269986 A CN201510269986 A CN 201510269986A CN 104845502 A CN104845502 A CN 104845502A
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Abstract

本发明涉及一种耐磨耐划涂层用涂料组合物,该涂料组合物中包含特定的改性纳米三氧化二铝粉体和改性纳米二氧化钛粉体,经过表面改性的上述纳米粉体可有效改善涂层的强度和韧性,此外,涂料中还包含钛酸钾晶须和碳化硅晶须,二者的组合可以有效提高涂层的硬度、强度和耐磨性。本发明的涂料组合物施工方便,在木材、密度板、金属、玻璃、陶瓷表面形成的涂层性能优异,具有明显的社会效益及经济效益。

Description

一种耐磨耐划涂层用涂料组合物
技术领域
本发明涉及一种耐磨耐划涂层用涂料组合物及其制备方法,具体涉及包含改性纳米三氧化二铝和纳米二氧化钛,以及钛酸钾晶须和碳化硅晶须的涂料组合物及其制备方法。
背景技术
紫外光固化涂料是一种无污染、省资源、低能耗、安全可靠的高科技绿色环境友好型涂料,其社会及环境效益巨大。在日益苛刻的环保要求下,该项技术获得了前所未有的发展,已被广泛用于电子材料封装、塑料制件表面保护、木地板上光、汽车小面积修补等行业中。该产品符合世界材料技术发展潮流,是涂料界新的增长点,世界各国正竞相投巨资研究开发。我国超过70%销量的 UV固化涂料用于地板的涂装,而当前紫外固化地板涂料的耐磨性还存在不少问题,研究一种可涂于木材、密度板、陶瓷等表面的紫外光固化涂料,以全面提高木材、密度板、陶瓷等表面的耐磨性一直是国内外涂料界追求的目标。
发明内容
本发明的目的在于克服现有技术的不足,提供一种可紫外固化且具有优良的耐刮伤、耐磨擦性的涂料。
本发明通过以下技术方案实现上述目的:
一种耐磨耐划涂层用涂料组合物,该涂料通过以下步骤制备而成:
(a)取20-50nm的三氧化二铝粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为13:7,在25℃下搅拌分散60分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应2h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米三氧化二铝粉体;
(b)取20-50nm的二氧化钛粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为10:7,在30℃下搅拌分散30分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应1h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米二氧化钛粉体;
(c)以重量份数计,取乙烯基酯树脂30份,新戊二醇二丙烯酸酯 20份,硫杂蒽酮5份混合搅拌1-2小时,而后依次加入步骤a)制得的改性纳米三氧化二铝粉体7份,步骤b)制得的改性纳米二氧化钛粉体7份,钛酸钾晶须2份,碳化硅晶须1份,微米玻璃微珠2份,分散剂2份,消泡剂2份,流平剂,1.5份,防沉剂2份,以及适量溶剂,搅拌分散均匀,包装,得到涂料组合物成品。
其中,所述步骤(a)中的过滤采用涂料过滤器进行过滤。
其中,所述步骤(a)中的三氧化二铝粒度为25-40nm,步骤(b)中二氧化钛粒度为25-40nm。
其中,所述步骤(c)中的溶剂的用量为25重量份。
有益效果
本发明的涂料中包含特定的改性纳米三氧化二铝粉体和改性纳米二氧化钛粉体,经过表面改性的上述纳米粉体可有效改善涂层的强度和韧性,此外,涂料中还包含钛酸钾晶须和碳化硅晶须,二者的组合可以有效提高涂层的硬度、强度和耐磨性。本发明的涂料组合物施工方便,在木材、密度板、 金属、玻璃、陶瓷表面形成的涂层性能优异,具有明显的社会效益及经济效益。
具体实施方式
下面结合实施例,对本发明作进一步的说明,但本发明的实施方式不限于此。
实施例1
取30-40nm的三氧化二铝粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为13:7,在25℃下搅拌分散60分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应2h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米三氧化二铝粉体。
取30-40nm 的二氧化钛粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为10:7,在30℃下搅拌分散30分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应1h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米二氧化钛粉体。
以重量份数计,取乙烯基酯树脂30份,新戊二醇二丙烯酸酯 20份,硫杂蒽酮5份混合,而后依次加入步骤a)制得的改性纳米三氧化二铝粉体7份,步骤b)制得的改性纳米二氧化钛粉体7份,钛酸钾晶须2份,碳化硅晶须1份,微米玻璃微珠2份,分散剂2份,消泡剂2份,流平剂,1.5份,防沉剂2份,以及溶剂25份,搅拌分散均匀,包装,得到涂料组合物成品。
对比例1
以重量份数计,取乙烯基酯树脂30份,新戊二醇二丙烯酸酯 20份,硫杂蒽酮5份混合,而后依次加入纳米三氧化二铝粉体7份,纳米二氧化钛粉体7份,钛酸钾晶须2份,碳化硅晶须1份,微米玻璃微珠2份,分散剂2份,消泡剂2份,流平剂,1.5份,防沉剂2份,以及溶剂25份,搅拌分散均匀,包装,得到涂料组合物成品。
对比例2
以重量份数计,取乙烯基酯树脂30份,新戊二醇二丙烯酸酯 20份,硫杂蒽酮5份混合,而后依次加入步骤a)制得的改性纳米三氧化二铝粉体7份,步骤b)制得的改性纳米二氧化钛粉体7份,微米玻璃微珠2份,分散剂2份,消泡剂2份,流平剂,1.5份,防沉剂2份,以及溶剂25份,搅拌分散均匀,包装,得到涂料组合物成品。
本文中硬度测定按照GB/T6739-1996进行。耐冲击性根据GB/T1720-1993测定。柔韧性根据GB/T6742-86做测试。
对各涂膜进行测试,结果如下:
检测项目 膜厚(μm) 铅笔硬度 抗冲击性 柔韧性
实施例1 15 6H 通过 ≤3mm
对比例1 15 5H 未通过 ≤5mm
对比例2 15 4H 未通过 ≤3mm

Claims (4)

1.一种耐磨耐划涂层用涂料组合物,其特征在于,该涂料通过以下步骤制备而成:
(a)取20-50nm的三氧化二铝粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为13:7,在25℃下搅拌分散60分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应2h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米三氧化二铝粉体;
(b)取20-50nm的二氧化钛粉体加入容器中,而后加入异丙醇和甲苯的混合溶液,其中甲苯和异丙醇的质量比为10:7,在30℃下搅拌分散30分钟,而后加入3-(甲基丙烯酰氧基)丙基三甲氧基硅烷和甲酸,50℃搅拌反应1h,而后再加入乙基三乙氧基硅烷和甲酸,50℃搅拌反应2h,其中加入的3-(甲基丙烯酰氧基)丙基三甲氧基硅烷、乙基三乙氧基硅烷和总的甲酸的摩尔比为1:1:2,降温至室温,过滤,得到改性纳米二氧化钛粉体;
(c)以重量份数计,取乙烯基酯树脂30份,新戊二醇二丙烯酸酯 20份,硫杂蒽酮5份等混合搅拌1-2小时,然后依次加入步骤a)制得的改性纳米三氧化二铝粉体7份,步骤b)制得的改性纳米二氧化钛粉体7份,钛酸钾晶须2份,碳化硅晶须1份,微米玻璃微珠2份,分散剂2份,消泡剂2份,流平剂,1.5份,防沉剂2份,以及适量溶剂,搅拌分散均匀,包装,得到涂料组合物成品。
2.如权利要求1所述的耐磨耐划涂层用涂料组合物,其特征在于:步骤(a)中所述过滤采用涂料过滤器进行过滤。
3.如权利要求1所述的耐磨耐划涂层用涂料组合物,其特征在于:步骤(a)中所述三氧化二铝粒度约为25-40nm,步骤(b)中二氧化钛粒度约为25-40nm。
4.如权利要求1所述的耐磨耐划涂层用涂料组合物,其特征在于:步骤(c)中所述溶剂的用量为25重量份。
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CN105924381A (zh) * 2015-12-18 2016-09-07 重庆两江药物研发中心有限公司 一种哌马色林晶型c的制备方法
CN105967661A (zh) * 2016-04-22 2016-09-28 宁波高新区夏远科技有限公司 一种不粘锅用抗菌陶瓷涂层、制备方法及其不粘锅
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CN110549437A (zh) * 2019-10-09 2019-12-10 上海如晶新材料科技有限公司 一种耐黄变木饰面板生产工艺

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CN105924381A (zh) * 2015-12-18 2016-09-07 重庆两江药物研发中心有限公司 一种哌马色林晶型c的制备方法
CN105924381B (zh) * 2015-12-18 2019-04-16 重庆两江药物研发中心有限公司 一种哌马色林晶型c的制备方法
CN105967661A (zh) * 2016-04-22 2016-09-28 宁波高新区夏远科技有限公司 一种不粘锅用抗菌陶瓷涂层、制备方法及其不粘锅
CN107216727A (zh) * 2017-06-14 2017-09-29 南京工业大学 一种常温固化feve氟碳树脂耐磨涂料及其制备方法
CN107446407A (zh) * 2017-09-26 2017-12-08 广东昭信照明科技有限公司 一种陶瓷粉体表面改性的方法
CN107446407B (zh) * 2017-09-26 2021-04-16 广东昭信照明科技有限公司 一种陶瓷粉体表面改性的方法
CN110549437A (zh) * 2019-10-09 2019-12-10 上海如晶新材料科技有限公司 一种耐黄变木饰面板生产工艺

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