CN111607322A - 一种环保且防雾效果持久的玻璃防雾剂及其制备方法 - Google Patents

一种环保且防雾效果持久的玻璃防雾剂及其制备方法 Download PDF

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CN111607322A
CN111607322A CN202010650737.3A CN202010650737A CN111607322A CN 111607322 A CN111607322 A CN 111607322A CN 202010650737 A CN202010650737 A CN 202010650737A CN 111607322 A CN111607322 A CN 111607322A
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左伟超
余钢
惠晓宁
黄珊
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Hangzhou Ebison New Material Co ltd
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Abstract

本发明涉及一种环保且防雾效果持久的玻璃防雾剂及其制备方法,其特征在于所述玻璃防雾剂为烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷按摩尔比4—5:1:10:0.2—0.3:0.2—0.3合成的三乙氧基封端聚醚改性硅油。制备方法采用铂金催化剂和碱胶催化剂,分步反应,分布控制反应条件,制得环保且防雾效果持久的玻璃防雾剂。本发明所得玻璃防雾剂具有使用方便,加水稀释喷涂玻璃表面干燥即可,对环境无污染,防雾效果持久等优点,另外制备工艺简单。

Description

一种环保且防雾效果持久的玻璃防雾剂及其制备方法
技术领域
本发明涉及涂层技术领域,特别涉及一种环保且防雾效果持久的玻璃防雾剂及其制备方法。
背景技术
玻璃在我们的生活中十分常见,但由于玻璃表面特殊结构,在温度变化大时,冷环境变到热环境时,空气中的水份会在玻璃表面凝结形成小液珠,从而影响视线,如眼镜玻璃,浴室玻璃等。降低玻璃表面张力,增加液珠在玻璃表面的润湿可有效解决此问题,但是,同时溶剂稀释油性产品会造成环境污染。
发明内容
本发明要解决的技术问题是,提供一种环保且防雾效果持久的玻璃防雾剂,本发明克服了现有技术中溶剂污染、防雾持久性差的技术问题,且对环境无污染。
为解决上述技术问题,本发明采用以下技术方案:一种环保且防雾效果持久的玻璃防雾剂,其特征在于:所述玻璃防雾剂为烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷按摩尔比4-5∶1∶10∶0.2-0.3∶0.2-0.3合成的三乙氧基封端聚醚改性硅油。
一种环保且防雾效果持久的玻璃防雾剂的制备方法,其特征在于采用以下步骤:
A、按摩尔比4-5∶1∶10∶0.2-0.3∶0.2-0.3称取烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷;
B、将步骤A称取的烯丙基聚醚、四甲基环四硅氧烷加入到反应釜中,通氮气进行保护,然后加入铂金催化剂,控制釜内温度在60-120℃,搅拌状态下反应2-3h,得初产物;
C、将步骤B所得初产物进行过滤、精馏,然后加入步骤A称取的八甲基环四硅氧烷和蒸馏水;通氮气进行保护,加入碱胶催化剂,控制反应温度在80-130℃,搅拌反应4-5h,得次产物;
D、将步骤C的次产物过滤、精馏,然后加入步骤A称取的四乙氧基硅烷;通氮气进行保护,控制反应温度50-70℃,在搅拌状态下反应2-3h;过滤、精馏、冷却,得环保且防雾效果持久的玻璃防雾剂。
所述丙烯聚醚中环氧乙烷/环氧丙烷为5/6。
所述四甲基环四硅氧烷纯度为98%。
所述八甲基环四硅氧烷纯度为98%。
所述四乙氧基硅烷纯度为98%。
本发明在硅油链节中引入聚醚基团,增加液体润湿基材能力和水溶性,引入乙氧基反应基团,增加了硅油在玻璃基材的持久性。
本发明分别以烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷为原料,加入适量铂金催化剂和碱胶催化剂,控制反应时长和温度。所的产物收率高,涂布于玻璃表面,降低玻璃表面张力,聚醚亲水,使水珠铺展于玻璃表面,乙氧基与玻璃表面羟基进行反应,增加了防雾剂的持久性。
本发明提供的环保持久型玻璃防雾剂及其制备方法,具有工艺步骤简单,使用方便,加水稀释喷涂玻璃表面干燥即可,对环境无污染等优点。
附图说明
图1为本发明工艺步骤示意图。
具体实施方式
实施例1:一种环保且防雾效果持久的玻璃防雾剂的制备方法,采用以下步骤:
A、按以下摩尔比4∶1∶10∶0.2∶0.2称取烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷做为原料备用;
B、将步骤A称取的烯丙基聚醚、四甲基环四硅氧烷加入到反应釜中,通氮气进行保护,加入铂金催化剂,控制温度60℃,搅拌状态下反应2h,得初产物;
C、将步骤B所得初产物过滤、精馏,然后加入步骤A称取的八甲基环四硅氧烷和蒸馏水,通氮气进行保护,加入碱胶催化剂,控制温度80℃,搅拌状态下反应4h,得次产物;
D、将步骤C所得次产物过滤、精馏,然后加入步骤A称取的四乙氧基硅烷,通氮气进行保护,控制温度50℃,搅拌状态下反应2h;过滤、精馏、冷却,得环保且防雾效果持久的玻璃防雾剂。
所述环保且防雾效果持久的玻璃防雾剂为三乙氧基封端聚醚改性硅油。
将本实施例所得环保且防雾效果持久的玻璃防雾剂用蒸馏水稀释到质量浓度为1%,喷涂到玻璃片表面,干燥24h,循环置于室温与热水浴上方,观察玻璃表面起雾情况。测试情况如表1
表1
Figure BDA0002574845030000041
实施例2:
一种环保且防雾效果持久的玻璃防雾剂的制备方法,采用以下步骤:
A、按以下摩尔比5∶1∶10∶0.3∶0.3称取烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷做为原料备用;
B、将步骤A称取的烯丙基聚醚、四甲基环四硅氧烷加入到反应釜中,通氮气进行保护,加入铂金催化剂,控制温度120℃,搅拌状态下反应3h,得初产物;
C、将步骤B所得初产物过滤、精馏,然后加入步骤A称取的八甲基环四硅氧烷和蒸馏水,通氮气进行保护,加入碱胶催化剂,控制温度130℃,搅拌状态下反应5h,得次产物;
D、将步骤C所得次产物过滤、精馏,然后加入步骤A称取的四乙氧基硅烷,通氮气进行保护,控制温度70℃,搅拌状态下反应3h;过滤、精馏、冷却,得环保且防雾效果持久的玻璃防雾剂。
将本实施例所得环保且防雾效果持久的玻璃防雾剂用蒸馏水稀释到质量浓度为1%,喷涂到玻璃片表面,干燥24h,循环置于室温与热水浴上方,观察玻璃表面起雾情况。测试情况如表2
表2
Figure BDA0002574845030000051
实施例3:
一种环保且防雾效果持久的玻璃防雾剂的制备方法,采用以下步骤:
A、按以下摩尔比4.6∶1∶10∶0.23∶0.24称取烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷做为原料备用;B、将步骤A称取的烯丙基聚醚、四甲基环四硅氧烷加入到反应釜中,通氮气进行保护,加入铂金催化剂,控制温度102℃,搅拌状态下反应2.6h,得初产物;
C、将步骤B所得初产物过滤、精馏,然后加入步骤A称取的八甲基环四硅氧烷和蒸馏水,通氮气进行保护,加入碱胶催化剂,控制温度116℃,搅拌状态下反应4.4h,得次产物;
D、将步骤C所得次产物过滤、精馏,然后加入步骤A称取的四乙氧基硅烷,通氮气进行保护,控制温度55℃,搅拌状态下反应2.7h;过滤、精馏、冷却,得环保且防雾效果持久的玻璃防雾剂。
将本实施例所得环保且防雾效果持久的玻璃防雾剂用蒸馏水稀释到质量浓度为1%,喷涂到玻璃片表面,干燥24h,循环置于室温与热水浴上方,观察玻璃表面起雾情况。测试情况如表3。
表3
Figure BDA0002574845030000061
经过对比,实施例3的产品效果最好,为最佳方案。

Claims (6)

1.一种环保且防雾效果持久的玻璃防雾剂,其特征在于:所述玻璃防雾剂为烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷按摩尔比4—5:1:10:0.2—0.3:0.2—0.3合成的三乙氧基封端聚醚改性硅油。
2.根据权利要求1所述环保且防雾效果持久的玻璃防雾剂的制备方法,其特征在于采用以下步骤:
A、按摩尔比4—5:1:10:0.2—0.3:0.2—0.3称取烯丙基聚醚、四甲基环四硅氧烷、八甲基环四硅氧烷、蒸馏水、四乙氧基硅烷;
B、将步骤A称取的烯丙基聚醚、四甲基环四硅氧烷加入到反应釜中,通氮气进行保护,然后加入铂金催化剂,控制釜内温度在60—120℃,搅拌状态下反应2—3h,得初产物;
C、将步骤B所得初产物进行过滤、精馏,然后加入步骤A称取的八甲基环四硅氧烷和蒸馏水;通氮气进行保护,加入碱胶催化剂,控制反应温度在80—130℃,搅拌反应4—5h,得次产物;
D、将步骤C的次产物过滤、精馏,然后加入步骤A称取的四乙氧基硅烷;通氮气进行保护,控制反应温度50—70℃,在搅拌状态下反应2—3h;过滤、精馏、冷却,得环保且防雾效果持久的玻璃防雾剂。
3.根据权利要求1或2所述的环保且防雾效果持久的玻璃防雾剂,其特征在于:所述丙烯聚醚中环氧乙烷/环氧丙烷为5/6。
4.根据权利要求1或2所述的环保且防雾效果持久的玻璃防雾剂,其特征在于:所述四甲基环四硅氧烷纯度为98%。
5.根据权利要求1或2所述的环保且防雾效果持久的玻璃防雾剂,其特征在于:所述八甲基环四硅氧烷纯度为98%。
6.根据权利要求1或2所述的环保且防雾效果持久的玻璃防雾剂,其特征在于:所述四乙氧基硅烷纯度为98%。
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Application publication date: 20200901