CN105899622B - 可逆变色涂层组合物及其制备方法 - Google Patents
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Abstract
本发明涉及可逆变色涂层组合物及其制备方法。本发明的板具有400℃或更高的耐热性,从而可用于加热非常稳定的产品,并且因为其具有优良的耐磨性、耐化学性和机械性质,该板的耐久性增加。另外,可以通过以多种方式混合颜料获得美丽的颜色,并且因为当加热时颜色变化则可以用肉眼识别正在加热。
Description
技术领域
本发明涉及可逆变色涂层组合物及其制备方法。
背景技术
热变色颜料可用作可逆低温热变色油漆,其中在50至70℃的温度下变色。一个原理是微胶囊内的物质随温度升高而分散且变透明,并且随温度降低而聚集恢复其原始颜色,然而,高温范围加热产品或高频加热的使用受限,因为当将胶囊加热至300℃或更高时胶囊被破坏且产生气体。另外,红色、黄色和橙色的颜料,其都由镉组成,具有在150至200℃下颜色改变成黑色的性质,蒸煮容器内部的使用由于重金属的毒性而受限。
同时,韩国专利申请公开号10-2012-0052326公开了一种由有机氮硫化合物和水性树脂制成的可逆热变色水溶性油墨组合物,其中有机氮硫化合物为至少一类选自下述的化合物:2-(4-噻唑基)-苯并咪唑、2-(硫氰酸酯甲基硫代)-1,3-苯并噻唑、2-甲基-4-异噻唑啉-3-酮和5-氯-2-甲基-4-异-噻唑啉-3-酮。然而,该发明并未公开本发明所述的热敏板。
因此,为了改进现有技术的缺点和问题,本发明人发明了一种可逆热变色陶瓷涂层剂,其中取决于吸收(吸收和辐射等量)近红外区的所有光的温度,并且其具有400℃或更高的耐热性和耐久性。
发明内容
技术问题
本发明的一个目的是提供一种可逆变色涂层组合物及其制备方法,通过使用球磨机研磨硅溶胶、Fe2O3或作为颜料和填充剂的另外的化合物,从而制备其中颜色从约100℃的低温变化且具有400℃或更高的耐热性和耐久性的可逆热色陶瓷涂层试剂。
另外,本发明的另一个目的是提供包括组合物的板及使用该板改变颜色的方法。
问题的解决方式
参照附图描述本发明中描述的各种特定实施方案。在下述描述中,为了充分地理解本发明,描述了各种具体细节,比如特定形式、组合物、方法等。然而,可以在不采用一个或多个这些细节或采用其它众所周知的方法和形式实施一些特定实施方案。在其它的实例中,为了避免不必要地使本发明难于理解,没有描述众所周知的方法和制备技术的具体细节。在整个说明书中提及“一个特定实施方案”指与特定实施方案相关所述的具体特征、形式、组合物或性质被包括在本发明的一个或多个特定实施方案中。因此,在整个说明书的不同地方中表述“在一个特定实施方案中”或“特定实施方案”的情形不一定一直代表本发明的同一特定实施方案。另外,在一个或多个特定实施方案中可以使用一些合适的方法将特定特征、形式、组合物或性质组合。
本发明的一个特定实施方案提供一种用于制备可逆变色涂层组合物的方法,其包括使用球磨机研磨以涂层组合物的总重量计200至400重量份的硅溶胶、100至300重量份的醇和100至300重量份的作为颜料和填充剂的Fe2O3的步骤;和向研磨物质中加入200至300重量份的固化剂的步骤。在特定实施方案中,提供一种用于制备可逆变色涂层组合物的方法,其中研磨步骤包括球磨进一步加入的金属粉末,提供一种用于制备可逆变色涂层组合物的方法,其中所述金属粉末包括选自Ag、Cu和Al中的任一种或多种,提供一种用于制备可逆变色涂层组合物的方法,其中所述金属粉末以0.1至10重量份加入,提供一种用于制备可逆变色涂层组合物的方法,其中所述颜料和填充剂进一步包括选自镉红、镉黄、Ti、Si、Al、Zr、Fe、Mn、Co和Cr;或其氧化物中的任一种或多种,以及提供一种用于制备可逆变色涂层组合物的方法,其中在所述颜料和填充剂中,Fe2O3的重量占所述颜料和填充剂总重量的20%至90%。
本发明的一个特定实施方案提供一种可逆变色涂层组合物,其在将200至300重量份的固化剂加入以涂层组合物的总重量计200至400重量份的硅溶胶、100至300重量份的醇和100至300重量份的作为颜料和填充剂的Fe2O3之后搅拌和熟化。在特定实施方案中,提供一种可逆变色涂层组合物的方法,其中研磨物质还包括金属粉末,提供一种可逆变色涂层组合物,其中所述金属粉末包括选自Ag、Cu和Al中的任一种或多种,提供一种可逆变色涂层组合物,其中所述金属粉末为0.1至10重量份,提供一种可逆变色涂层组合物,其中所述颜料和填充剂进一步包括选自镉红、镉黄、Ti、Si、Al、Zr、Fe、Mn、Co和Cr;或其氧化物中的任一种或多种,以及提供一种可逆变色涂层组合物,其中在所述颜料和填充剂中,Fe2O3的重量占所述颜料和填充剂总重量的20%至90%。
在本发明的一个特定实施方案中,提供一种可逆变色板,其中用涂层组合物涂布目标区域并煅烧。另外,在本发明的一个特定实施方案中,提供一种用于制备可逆变色板的方法,其包括用涂层组合物涂布板的目标区域的步骤和烘焙所述涂层板的步骤。
在本发明的一个特定实施方案中,提供一种通过加热可逆变色板来改变涂层区域的颜色的方法,其中用涂层组合物涂布目标区域并煅烧至目标温度。
在本发明的一个特定实施方案中,可逆变色涂层组合物指显示其中颜色变化取决于能量变化或温度变化,且当再次移除能量或使温度恢复至初始温度时颜色可逆地变回原始颜色的现象的可涂覆组合物。
在本发明的一个特定实施方案中,可逆变色板为用可逆变色涂层组合物涂布的板,尽管不限于此,该板包括金属板比如铁、铜和铝、非金属板和陶瓷板,并且指其中向其涂布可逆变色涂层组合物并煅烧的板。这样的板可用于不同领域,比如蒸煮容器、炉、电器和建筑物。
在本发明的一个特定实施方案中,金属粉末指但不限于粒径为5μm或更小的金属比如Ag、Cu和Al或其组合。
在本发明的一个特定实施方案中,使用粒径为10至50nm的硅溶胶,使用脂肪醇作为醇,可以使用硅烷作为固化剂,并且可以使用Fe2O3或Cd作为颜料。另外,在本发明的一个特定实施方案中,可以使用一种或多种氧化物比如Ti、Al、Si、Zr、Co、Mn和Cr的氧化物和非氧化物比如AlN、Si3N4、BN和SiC的混合物作为颜料和填充剂。
在本发明的一个特定实施方案中,提供一种用于制备厨房用加热板的方法,其包括步骤:将本发明的涂层组合物涂布在厨房用加热板,然后在100至350℃的温度下烘焙该涂布的板;使用喷雾、移印、丝印等,通过改变颜料成分或颜色,在煅烧的加热板的可逆变色涂层上涂布字母、图案或部分;然后在用不粘功能的TOP涂层剂进一步涂布之后,在100至350℃的温度下烘焙该板。
发明的有益效果
本发明的板具有400℃或更高的耐热性,从而可用于加热非常稳定的产品,并且因为其具有优良的耐磨性、耐化学性和机械性质,该板的耐久性增加。另外,可以通过以多种方式混合颜料获得美丽的颜色,并且因为当加热时颜色变化则可以用肉眼识别正在加热。
附图说明
图1显示当将本发明的一个特定实施方案中的可逆变色涂层组合物涂布在板的目标区域上且煅烧时根据温度的颜色变化。
具体实施方式
本发明的最佳实施方式提供一种用于制备可逆变色涂层组合物的方法,其包括步骤:使用球磨机研磨以涂层组合物的总重量计200至400重量份的硅溶胶、100至300重量份的醇和100至300重量份的作为颜料和填充剂的Fe2O3;并且将200至300重量份的固化剂加入到研磨物质中。在特定实施方案中,提供一种用于制备可逆变色涂层组合物的方法,其中研磨步骤包括球磨进一步加入的金属粉末,提供一种用于制备可逆变色涂层组合物的方法,其中所述金属粉末包括选自Ag、Cu和Al中的任一种或多种,提供一种用于制备可逆变色涂层组合物的方法,其中所述金属粉末以0.1至10重量份加入,提供一种用于制备可逆变色涂层组合物的方法,其中所述颜料和填充剂进一步包括选自镉红、镉黄、Ti、Si、Al、Zr、Fe、Mn、Co和Cr;或其氧化物中的任一种或多种,以及提供一种用于制备可逆变色涂层组合物的方法,其中在所述颜料和填充剂中,Fe2O3的重量占所述颜料和填充剂总重量的20%至90%。
发明模式
在下文中,参照下述实施例更详细地描述本发明的组成和技术特征。然而,下述实施例仅仅用于示例性的目的,本发明的范围不限于此。
[实施例1]
包括可逆热变色陶瓷涂层的板的制备
试验例1
通过将300g粒径10至50nm的硅溶胶(水含量-210g)、200g的异丙醇(IPA)、200g的作为颜料和填充剂的Fe2O3、1g的银粉和4g作为添加剂的粒径2μm的铜粉加入到球磨机中,并以100rpm的速率将它们研磨约5小时得到液态的研磨物质。通过将250g的甲基三甲氧基硅烷(MTMS)加入到作为固化剂的所述液态研磨物质得到1kg的涂层剂,搅拌并熟化该混合物约8小时。
使用80#_金刚砂打磨处理尺寸100×70×3mm的铝板,冲洗干净,使用涂层剂喷雾涂层,然后在火炉中在250℃的温度下煅烧约30分钟,结果,得到35μm膜厚度的板。
试验例2
使用与试验例1相同的方法制备涂层剂和板。然而,使用重量比1∶1的总重量200g的Fe2O3和TiO2作为颜料和填充剂。
试验例3
使用与试验例1相同的方法制备涂层剂和板。然而,使用重量比1∶1的总重量200gFe2O3和镉红颜料作为颜料和填充剂。
试验例4
使用与试验例1相同的方法制备涂层剂和板。然而,使用重量比1∶1∶2的总重量200g的Fe2O3、镉红和Co作为颜料和填充剂。
对照例1和2
使用与试验例1相同的方法制备涂层剂和板。然而,使用重量总重量200g的Fe3O4或Co作为颜料和填充剂。其概述显示在下表1中。
表1
[表1]
成分 | 混合比 | |
对照例1 | Fe<sub>3</sub>O<sub>4</sub> | 1 |
对照例2 | Co | 1 |
试验例1 | Fe<sub>2</sub>O<sub>3</sub> | 1 |
试验例2 | Fe<sub>2</sub>O<sub>3</sub>∶TiO<sub>2</sub> | 1∶1 |
试验例3 | Fe<sub>2</sub>O<sub>3</sub>∶镉红 | 1∶1 |
试验例4 | Fe<sub>2</sub>O<sub>3</sub>∶镉红:Co | 1∶1∶2 |
[实施例2]
当加热时包括可逆热变色陶瓷涂层的板的颜色变化的鉴别
将实施例1中对照例1和2及试验例1至4的板加热至90℃至150℃。如下表2所示,可以看出试验例1至4在一定温度下存在颜色变化,并且在冷却之后颜色可逆地恢复其原始颜色。
表2
[表2]
[实施例3]
根据加入金属颜色变化的温度差异
使用与实施例1的试验例1相同的方法制备涂层剂和板。然而,没有加入银和铜粉(对照例3),并且当加入0.1或10g的银或铜(其具有优良的热导率)时(试验例5和6),可以看出颜色变化的起始温度下降10℃至20℃,如下表3所示。
表3
[表3]
虽然本发明已经描述了特定实施方案,但是对于本领域技术人员显而易见的是在没有背离本发明的范围下可以进行各种变化,并且其组分可以被同等物替代。另外,在没有背离本发明的基本范围下可以进行各种修饰,并且可以根据本发明的教导内容使用具体条件和材料。因此,本发明不限于作为预期实施本发明的最佳实施方式而提出的特定实施方案,并且本发明需要解释为包括在所附权利要求书中定义的所有实施方案。
工业应用
本发明的板具有400℃或更高的耐热性,因此可用于加热非常稳定的产品,并且因为其具有优良的耐磨性、耐化学性和机械性质,所述板的耐久性增加。
Claims (13)
1.一种用于制备可逆变色涂层组合物的方法,其包括步骤:
用球磨机研磨以所述涂层组合物总重量计200至400重量份的硅溶胶、100至300重量份的脂肪醇和200至300重量份的作为颜料和填充剂的Fe2O3制备研磨物质,其中在研磨步骤中,用进一步加入的金属粉末进行球磨;和
将200至300重量份的固化剂加入到所述研磨物质中。
2.根据权利要求1所述的用于制备可逆变色涂层组合物的方法,其中所述金属粉末包括选自Ag、Cu和Al中的任一种或多种。
3.根据权利要求1所述的用于制备可逆变色涂层组合物的方法,其中所述金属粉末以0.1至10重量份加入。
4.根据权利要求1所述的用于制备可逆变色涂层组合物的方法,其中所述颜料和填充剂进一步包括选自镉红、镉黄、Ti、Si、Al、Zr、Fe、Mn、Co和Cr;或其氧化物中的任一种或多种。
5.根据权利要求1所述的用于制备可逆变色涂层组合物的方法,其中在所述颜料和填充剂中,Fe2O3占颜料和填充剂总重量的20%至90%。
6.一种可逆变色涂层组合物,其在向以所述涂层组合物总重量计200至400重量份的硅溶胶、100至300重量份的脂肪醇和200至300重量份的作为颜料和填充剂的Fe2O3的研磨物质中加入200至300重量份的固化剂之后进行搅拌,其中所述研磨物质进一步包括金属粉末。
7.根据权利要求6所述的可逆变色涂层组合物,其中所述金属粉末包括选自Ag、Cu和Al中的任一种或多种。
8.根据权利要求6所述的可逆变色涂层组合物,其中所述金属粉末以0.1至10重量份加入。
9.根据权利要求6所述的可逆变色涂层组合物,其中所述颜料和填充剂进一步包括选自镉红、镉黄、Ti、Si、Al、Zr、Fe、Mn、Co和Cr;或其氧化物中的任一种或多种。
10.根据权利要求9所述的可逆变色涂层组合物,其中在所述颜料和填充剂中,Fe2O3占颜料和填充剂总重量的20%至90%。
11.一种可逆变色板,其中用权利要求6至10中任一项所述的涂层组合物涂布目标区域并煅烧。
12.一种制备可逆变色板的方法,其包括步骤:
用权利要求6至10中任一项所述的涂层组合物涂布板的目标区域;和
烘焙该涂布的板。
13.一种通过加热可逆变色板改变涂层区域的颜色的方法,其中用权利要求6至10中任一项的涂层组合物涂布目标区域并煅烧至目标温度。
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