CN110540801A - 一种绿色环保的阻燃隔热导电水性涂料及其应用 - Google Patents
一种绿色环保的阻燃隔热导电水性涂料及其应用 Download PDFInfo
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Abstract
本发明提供了一种绿色环保的阻燃隔热导电水性涂料及其制备和应用方法，由按照质量份数计的如下组分制备而成：阻燃剂6‑25重量份，异氰酸酯5‑30重量份，大分子多元醇30‑80重量份，扩链剂5‑15重量份，助剂2‑16重量份，颜料1‑17重量份，具备优良的耐热、耐酸、耐碱、耐有机溶剂、耐水性能，而且具备阻燃性能的同时，还具备较高的剥离强度和断裂伸长率。具有较好的使用价值，且不含有机溶剂，符合当今社会绿色环保的理念。
Description
本发明涉及一种绿色环保的阻燃隔热导电水性涂料。本发明制备的绿色环保的阻燃隔热导电水性涂料，具有阻燃隔热且绿色环保的特点，属于涂料技术领域。
背景技术
涂料，指涂布于物体表面在一定的条件下能形成薄膜而起保护、装饰或其他特殊功能(绝缘、防锈、防霉、耐热等)的一类液体或固体材料。因早期的涂料大多以植物油为主要原料，故又称作油漆。现在合成树脂已取代了植物油，故称为涂料。涂料并非液态，粉末涂料是涂料品种一大类。涂料属于有机化工高分子材料，所形成的涂膜属于高分子化合物类型。现代的涂料正在逐步成为一类多功能性的工程材料，是化学工业中的一个重要行业，但是还存在许多缺点，需要通过各种改性，完善其功能。
发明内容
发明目的：针对现有技术在的缺陷、本发明的目的是提供一种绿色环保的阻燃隔热导电水性涂料及制备方法，所述涂料具有较好的化学耐心、力学性能、阻燃性能和隔热性能，具有较好的使用价值。
技术方案：为实现上述目的，本发明通过下述技术方案实现：阻燃剂6-25重量份，异氰酸酯5-30重量份，大分子多元醇30-80重量份，扩链剂5-15重量份，助剂2-16重量份，颜料1-17重量份。
上述具有绿色环保的阻燃隔热导电水性涂料的制备方法，包括以下步骤：
在干燥氮气的保护下,将偶联剂和导电填料按计量加入四口瓶烧瓶中,混合均匀后常温反应3h,得到组分A。
真空脱水后的多元醇，异氰酸酯、阻燃剂和组分A等按计量倒入三口烧瓶中，然后一边适度搅拌，一边缓慢升温到90℃左右来进行聚合反应，反应所用的时长约为3小时。等到反应完毕之后，在1分钟之内冷却到六十度以下，不然会产生一系列副反应。添加丙酮降低粘度，再加入亲水扩链剂DMPA,扩链剂一缩二乙二醇，作为催化剂的辛酸亚锡和二月桂酸二丁基锡，在65度到70度的温度区间内产生反应，直到其中-NCO(异氰酸酯基)基团开始稳定，然后对其进行降温到35度，从而获得想要的预聚体。在高剪切力情况下，一边进行搅拌，一边精确地用滴管缓慢滴加硅烷偶联剂(N-氨乙基-3-氨丙基甲基二甲氧基硅烷)，然后边搅拌边进行反应经过15～20min，等到反应完毕之后，再进行减压蒸馏来脱去中间溶剂丙酮加水乳化，最后添加乙二胺除去乳液中未反应的NCO，继续搅拌30分钟，减压除去丙酮。最后，加入助剂、颜料，并充分搅拌混合。
所述涂料的各方面性能：
| 性能 | 数值 | 单位 |
| 氧指数 | 30 | ％ |
| 粘度 | 5608 | mPa·s |
| 剥离强度 | 0.780 | N/mm |
| 拉伸剪切强度 | 21.1 | MPa |
| 软化点 | 98±3 | ℃ |
本发明所述的具有绿色环保的阻燃隔热导电水性涂料具有较好的粘接牢固性、阻燃性能、耐热性能和优异的导电性能，可以广泛应用在工业领域。
具体实施方法
以下通过具体实施方式的描述对本发明作进一步说明，但这并非是对本发明的限制，本领域技术人员根据本发明的基本思想，可以做出各种修改或改进，但是只要不脱离本发明的基本思想，均在本发明的范围之内。
实施案例一：
在干燥氮气的保护下,将0.8重量份钛酸酯偶联剂和11重量份聚苯胺按计量加入四口瓶烧瓶中,混合均匀后常温反应3h,得到组分A。
真空脱水后的53重量份聚醚多元醇(N210)，11重量份MDI、7重量份阻燃剂三聚氰胺和组分A等按计量倒入三口烧瓶中，然后一边适度搅拌，一边缓慢升温到90℃左右来进行聚合反应，反应所用的时长约为3小时。等到反应完毕之后，在1分钟之内冷却到六十度以下，不然会产生一系列副反应。添加丙酮降低粘度，再加入亲水扩链剂DMPA6重量份,扩链剂三羟甲基丙烷7重量份，作为催化剂的辛酸亚锡0.3重量份，在65度到70度的温度区间内产生反应，直到其中-NCO(异氰酸酯基)基团开始稳定，然后对其进行降温到35度，从而获得想要的预聚体。在高剪切力情况下，进行搅拌，然后边搅拌边进行反应经过15～20min，等到反应完毕之后，再进行减压蒸馏来脱去中间溶剂丙酮加水乳化，最后添加乙二胺除去乳液中未反应的NCO，继续搅拌30分钟，减压除去丙酮。最后，加入流平剂、铬黄粉，并充分搅拌混合。
所述涂料的各方面性能：
| 性能 | 数值 | 单位 |
| 氧指数 | 29 | ％ |
| 粘度 | 5608 | mPa·s |
| 剥离强度 | 0.780 | N/mm |
| 拉伸剪切强度 | 21.1 | MPa |
| 软化点 | 98±3 | ℃ |
实施案例二：真空脱水后的40重量份PEG-1000，8重量份IPDI和9重量份阻燃剂FRC-6等按计量倒入三口烧瓶中，然后一边适度搅拌，一边缓慢升温到90℃左右来进行聚合反应，反应所用的时长约为3小时。等到反应完毕之后，在1分钟之内冷却到六十度以下，不然会产生一系列副反应。添加丙酮降低粘度，再加入亲水扩链剂DMPA7重量份,扩链剂一缩二乙二醇8重量份，作为催化剂的二月桂酸二丁基锡0.2重量份，在65度到70度的温度区间内产生反应，直到其中-NCO(异氰酸酯基)基团开始稳定，然后对其进行降温到35度，从而获得想要的预聚体。在高剪切力情况下，一边进行搅拌，一边精确地用滴管缓慢滴加1.2重量份碳纳米管和硅烷偶联剂(N-氨乙基-3-氨丙基甲基二甲氧基硅烷)混合液，然后边搅拌边进行反应经过15～20min，等到反应完毕之后，再进行减压蒸馏来脱去中间溶剂丙酮加水乳化，最后添加乙二胺除去乳液中未反应的NCO，继续搅拌30分钟，减压除去丙酮。最后，加入消泡剂、钛白粉，并充分搅拌混合。
所述涂料的各方面性能：
| 性能 | 数值 | 单位 |
| 氧指数 | 29 | ％ |
| 粘度 | 5608 | mPa·s |
| 剥离强度 | 0.780 | N/mm |
| 拉伸剪切强度 | 21.1 | MPa |
| 软化点 | 98±3 | ℃ |
实施案例三：
在干燥氮气的保护下,将1.5重量份KH550和74重量份石墨烯、环氧树脂按计量加入四口瓶烧瓶中,混合均匀后常温反应3h,得到组分A。
真空脱水后的80重量份PBA-2000，30重量份HDI、25重量份膨胀型阻燃剂和组分A等按计量倒入三口烧瓶中，然后一边适度搅拌，一边缓慢升温到90℃左右来进行聚合反应，反应所用的时长约为3小时。等到反应完毕之后，在1分钟之内冷却到六十度以下，不然会产生一系列副反应。添加丙酮降低粘度，再加入亲水扩链剂DMPA17重量份,扩链剂1,4-丁二醇13重量份，作为催化剂的辛酸亚锡和二月桂酸二丁基锡0.3重量份，在65度到70度的温度区间内产生反应，直到其中-NCO(异氰酸酯基)基团开始稳定，然后对其进行降温到35度，从而获得想要的预聚体。在高剪切力情况下，进行搅拌，边搅拌边进行反应经过15～20min，等到反应完毕之后，再进行减压蒸馏来脱去中间溶剂丙酮加水乳化，最后添加乙二胺除去乳液中未反应的NCO，继续搅拌30分钟，减压除去丙酮。最后，加入消泡剂、钛白粉，并充分搅拌混合。
所述涂料的各方面性能：
| 性能 | 数值 | 单位 |
| 氧指数 | 29 | ％ |
| 粘度 | 5608 | mPa·s |
| 剥离强度 | 0.780 | N/mm |
| 拉伸剪切强度 | 21.1 | MPa |
| 软化点 | 98±3 | ℃ |
Claims (8)
1.一种绿色环保的阻燃隔热导电水性涂料，其特征在于，其原料组分包括：
阻燃剂6-25重量份，异氰酸酯5-30重量份，大分子多元醇30-80重量份，扩链剂5-15重量份，助剂2-16重量份，颜料1-17重量份。
2.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，其原料组分包括：
阻燃剂6-24重量份，异氰酸酯7-28重量份，大分子多元醇28-78重量份，扩链剂5-13重量份，助剂4-14重量份，颜料3-16重量份。
3.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述颜料为着色颜料或者体质颜料中的一种或者多种混合；
优选的，所述着色颜料选自钛白粉、铬黄中的一种或者多种混合；
优选的，所述体质颜料选自碳酸钙、滑石粉中的一种或者多种混合。
4.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述阻燃剂为卤素阻燃剂、磷系阻燃剂、氮系阻燃剂、无机阻燃剂中的一种或者多种混合。
5.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述异氰酸酯为甲苯二异氰酸酯、异佛尔酮二异氰酸酯、二苯基甲烷二异氰酸酯、二环己基甲烷二异氰酸酯、六亚甲基二异氰酸酯、赖氨酸二异氰酸酯中的一种或者多种混合，且不局限于这几种异氰酸酯。
6.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述大分子多元醇为聚己酸酯类的多元醇、聚氧化丙烯多元醇、聚碳酸酯多元醇中的一种或者多种混合。
7.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述扩链剂为三羟甲基丙烷、二甘醇、三甘醇、新戊二醇、山梨醇、二乙氨基乙醇、1,4-丁二醇、1,6-己二醇、甘油、氢醌—二(β-羟乙基)醚、乙二胺中的一种或者多种混合。
8.如权利要求1所述的一种绿色环保的阻燃隔热导电水性涂料，其特征在于，所述助剂为优化助剂或者加工助剂中的一种或者多种混合；
优选的，所述优化助剂选自偶联剂、分散剂、抗氧化剂、紫外线吸收剂中的一种或者多种混合；
优选的，所述加工助剂选自消泡剂、流平剂、底材润湿剂中的一种或者多种混合。
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