CN115594821A - 一种架桥剂及其制备方法和应用 - Google Patents
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Abstract
本发明公开了一种架桥剂及其制备方法和应用,涉及架桥剂技术领域。本发明包括丙酮、三乙胺、二月桂酸二丁基锡、4-二环己基甲烷二异氰酸酯、三羟甲基丙烷、2-二羟甲基丙酸、4-硝基咪唑、2-甲基咪唑、咪唑、醋酸丁酯、正丁醇和去离子水,所述该架桥剂组成重量份数为:丙酮12‑20份、三乙胺5‑6份、二月桂酸二丁基锡3‑8份、4-二环己基甲烷二异氰酸酯20‑30份。本发明通过制备成型的架桥剂和对应的制备方法的设计,使得该架桥剂在添加至涂层溶液中后,使得该涂层液的固化效果提高,由于制备材质中单个分子中同时存在的2个环己基还可以使得涂层具有优异的光稳定性、耐候性、耐化学性以及突出的力学性能,更加适用于涂层处的应用。
Description
技术领域
本发明涉及架桥剂技术领域,具体为一种架桥剂及其制备方法和应用。
背景技术
架桥剂学名:封闭型水性固化剂,别名:架桥剂、固化剂、交联剂、固色剂、接着剂、增进剂、补强剂、牢度提升剂,主成分:封闭多异氰酸酯,该系列固化剂常温下可与水性树脂长期稳定共存,热处理时该固化剂释放出的异氰酸酯(-NCO)基团与水性树脂分子链上羟基、羧基、氨基等基团反应形成交联结构,可显著改善水性树脂性能;
在涂层中往往也会通过添加架桥剂从而达到改善性能的目的;
但是,现有架桥剂的配比应用下,导致自身添加后的固化效果有限,不便于在涂层中的应用。
发明内容
本发明的目的在于提供一种架桥剂及其制备方法和应用,以解决现有的问题:现有进行泥塑材料的工艺在使用过程中功能性单一,不便于对人体进行反馈。
为实现上述目的,本发明提供如下技术方案:一种架桥剂,包括丙酮、三乙胺、二月桂酸二丁基锡、4-二环己基甲烷二异氰酸酯、三羟甲基丙烷、2-二羟甲基丙酸、4-硝基咪唑、2-甲基咪唑、咪唑、醋酸丁酯、正丁醇和去离子水;
优选的,所述该架桥剂组成重量份数为:丙酮12-20份、三乙胺5-6份、二月桂酸二丁基锡3-8份、4-二环己基甲烷二异氰酸酯20-30份、三羟甲基丙烷4-5份、2-二羟甲基丙酸11-16份、4-硝基咪唑9-11份、2-甲基咪唑9-11份、咪唑15-23份、醋酸丁酯16-18份、正丁醇15-17份和去离子水10-20份。
优选的,一种架桥剂的制备方法,用于上述的一种架桥剂:
S1:在N2保护,冷凝回流和机械搅拌作用下,将13-20mmol的4-二环己基甲烷二异氰酸酯、7-12mmol的2-二羟甲基丙酸、9-15mL的丙酮和3-6mmol的二月桂酸二丁基锡置于50mL四口烧瓶中;
S2:缓慢升温至70℃,恒温油浴1.5-2h;
S3:称取2.0-2.4mmol的三羟甲基丙烷溶于7-11mL的丙酮中,以恒压滴液漏斗将其在0.2-0.6h内滴加至反应体系中,继续恒温0.9-2h;
S4:再称取1.1-2.3mmol的2-二羟甲基丙酸加至反应体系中,继续恒温1-2.1h;
S5:将7-12mL的咪唑缓慢加至反应体系中,反应3h;
S6:将7-13mL的三乙胺在去离子水溶液在搅拌条件下加至反应液中,并将醋酸丁酯、正丁醇加入后搅拌2h,得到无色或者淡黄色透明黏稠的架桥剂;
S7:采用4-硝基咪唑分别对架桥剂进行封闭。
一种架桥剂的应用,适用于上述的一种架桥剂:
S1:称取0.7-1.2架桥剂;
S2:将架桥剂在磁力搅拌作用下溶于7-12g的涂层液中,获得配置乳液;
S3:将配置乳液均匀涂布于雨伞布的表面上;
S4:并将其置于烘箱中,在110℃-180℃下分别固化10min-50min固化。
与现有技术相比,本发明的有益效果是:
本发明通过制备成型的架桥剂和对应的制备方法的设计,使得该架桥剂在添加至涂层溶液中后,使得该涂层液的固化效果提高,由于制备材质中单个分子中同时存在的2个环己基还可以使得涂层具有优异的光稳定性、耐候性、耐化学性以及突出的力学性能,更加适用于涂层处的应用。
具体实施方式
实施例一:
一种架桥剂,包括丙酮12份、三乙胺5份、二月桂酸二丁基锡3份、4-二环己基甲烷二异氰酸酯20份、三羟甲基丙烷4份、2-二羟甲基丙酸11份、4-硝基咪唑9份、2-甲基咪唑9份、咪唑15份、醋酸丁酯16份、正丁醇15份和去离子水10份;
一种架桥剂的制备方法,用于上述的一种架桥剂:
S1:在N2保护,冷凝回流和机械搅拌作用下,将13mmol的4-二环己基甲烷二异氰酸酯、7mmol的2-二羟甲基丙酸、9mL的丙酮和3mmol的二月桂酸二丁基锡置于50mL四口烧瓶中;
S2:缓慢升温至70℃,恒温油浴1.5h;
S3:称取2.0mmol的三羟甲基丙烷溶于7mL的丙酮中,以恒压滴液漏斗将其在0.2h内滴加至反应体系中,继续恒温0.9h;
S4:再称取1.1mmol的2-二羟甲基丙酸加至反应体系中,继续恒温1h;
S5:将7mL的咪唑缓慢加至反应体系中,反应3h;
S6:将7mL的三乙胺在去离子水溶液在搅拌条件下加至反应液中,并将醋酸丁酯、正丁醇加入后搅拌2h,得到无色或者淡黄色透明黏稠的架桥剂;
S7:采用4-硝基咪唑分别对架桥剂进行封闭。
一种架桥剂的应用,适用于上述的一种架桥剂:
S1:称取0.7份架桥剂;
S2:将架桥剂在磁力搅拌作用下溶于7份的涂层液中,获得配置乳液;
S3:将配置乳液均匀涂布于雨伞布的表面上;
S4:并将其置于烘箱中,在110℃下分别固化50min固化。
实施例二:
一种架桥剂,包括丙酮20份、三乙胺6份、二月桂酸二丁基锡8份、4-二环己基甲烷二异氰酸酯30份、三羟甲基丙烷5份、2-二羟甲基丙酸16份、4-硝基咪唑11份、2-甲基咪唑11份、咪唑23份、醋酸丁酯18份、正丁醇17份和去离子水20份;
一种架桥剂的制备方法,用于上述的一种架桥剂:
S1:在N2保护,冷凝回流和机械搅拌作用下,将20mmol的4-二环己基甲烷二异氰酸酯、12mmol的2-二羟甲基丙酸、15mL的丙酮和6mmol的二月桂酸二丁基锡置于50mL四口烧瓶中;
S2:缓慢升温至70℃,恒温油浴2h;
S3:称取2.4mmol的三羟甲基丙烷溶于11mL的丙酮中,以恒压滴液漏斗将其在0.6h内滴加至反应体系中,继续恒温2h;
S4:再称取2.3mmol的2-二羟甲基丙酸加至反应体系中,继续恒温2.1h;
S5:将12mL的咪唑缓慢加至反应体系中,反应3h;
S6:将13mL的三乙胺在去离子水溶液在搅拌条件下加至反应液中,并将醋酸丁酯、正丁醇加入后搅拌2h,得到无色或者淡黄色透明黏稠的架桥剂;
S7:采用4-硝基咪唑分别对架桥剂进行封闭。
一种架桥剂的应用,用于上述的一种架桥剂:
S1:称取1.2份架桥剂;
S2:将架桥剂在磁力搅拌作用下溶于12份的涂层液中,获得配置乳液;
S3:将配置乳液均匀涂布于雨伞布的表面上;
S4:并将其置于烘箱中,在140℃下分别固化40min固化。
实施例三:
一种架桥剂,包括丙酮17份、三乙胺5份、二月桂酸二丁基锡7份、4-二环己基甲烷二异氰酸酯25份、三羟甲基丙烷4.5份、2-二羟甲基丙酸14份、4-硝基咪唑10份、2-甲基咪唑10份、咪唑18份、醋酸丁酯17份、正丁醇16份和去离子水19份;
一种架桥剂的制备方法,用于上述的一种架桥剂:
S1:在N2保护,冷凝回流和机械搅拌作用下,将18mmol的4-二环己基甲烷二异氰酸酯、10mmol的2-二羟甲基丙酸、10mL的丙酮和4mmol的二月桂酸二丁基锡置于50mL四口烧瓶中;
S2:缓慢升温至70℃,恒温油浴1.5-2h;
S3:称取2.3mmol的三羟甲基丙烷溶于10的丙酮中,以恒压滴液漏斗将其在0.5h内滴加至反应体系中,继续恒温1.5h;
S4:再称取1.5mmol的2-二羟甲基丙酸加至反应体系中,继续恒温2h;
S5:将11mL的咪唑缓慢加至反应体系中,反应3h;
S6:将11mL的三乙胺在去离子水溶液在搅拌条件下加至反应液中,并将醋酸丁酯、正丁醇加入后搅拌2h,得到无色或者淡黄色透明黏稠的架桥剂;
S7:采用4-硝基咪唑分别对架桥剂进行封闭。
一种架桥剂的应用,用于上述的一种架桥剂:
S1:称取1份架桥剂;
S2:将架桥剂在磁力搅拌作用下溶于10份的涂层液中,获得配置乳液;
S3:将配置乳液均匀涂布于雨伞布的表面上;
S4:并将其置于烘箱中,在160℃下分别固化30min固化。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
Claims (4)
1.一种架桥剂,其特征在于:包括丙酮、三乙胺、二月桂酸二丁基锡、4-二环己基甲烷二异氰酸酯、三羟甲基丙烷、2-二羟甲基丙酸、4-硝基咪唑、2-甲基咪唑、咪唑、醋酸丁酯、正丁醇和去离子水。
2.根据权利要求1所述的一种架桥剂,其特征在于:所述该架桥剂组成重量份数为:丙酮12-20份、三乙胺5-6份、二月桂酸二丁基锡3-8份、4-二环己基甲烷二异氰酸酯20-30份、三羟甲基丙烷4-5份、2-二羟甲基丙酸11-16份、4-硝基咪唑9-11份、2-甲基咪唑9-11份、咪唑15-23份、醋酸丁酯16-18份、正丁醇15-17份和去离子水10-20份。
3.一种架桥剂的制备方法,用于权利要求1和2中任意一项的一种架桥剂,其特征在于:
S1:在N2保护,冷凝回流和机械搅拌作用下,将13-20mmol的4-二环己基甲烷二异氰酸酯、7-12mmol的2-二羟甲基丙酸、9-15mL的丙酮和3-6mmol的二月桂酸二丁基锡置于50mL四口烧瓶中;
S2:缓慢升温至70℃,恒温油浴1.5-2h;
S3:称取2.0-2.4mmol的三羟甲基丙烷溶于7-11mL的丙酮中,以恒压滴液漏斗将其在0.2-0.6h内滴加至反应体系中,继续恒温0.9-2h;
S4:再称取1.1-2.3mmol的2-二羟甲基丙酸加至反应体系中,继续恒温1-2.1h;
S5:将7-12mL的咪唑缓慢加至反应体系中,反应3h;
S6:将7-13mL的三乙胺在去离子水溶液在搅拌条件下加至反应液中,并将醋酸丁酯、正丁醇加入后搅拌2h,得到无色或者淡黄色透明黏稠的架桥剂;
S7:采用4-硝基咪唑分别对架桥剂进行封闭。
4.一种架桥剂的应用,用于权利要求1和2中任意一项的一种架桥剂,其特征在于:
S1:称取0.7-1.2份架桥剂;
S2:将架桥剂在磁力搅拌作用下溶于7-12份的涂层液中,获得配置乳液;
S3:将配置乳液均匀涂布于雨伞布的表面上;
S4:并将其置于烘箱中,在110℃-180℃下分别固化10min-50min固化。
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