CN105602375A - 一种外墙隔热低碳节能涂料 - Google Patents

一种外墙隔热低碳节能涂料 Download PDF

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CN105602375A
CN105602375A CN201610153884.3A CN201610153884A CN105602375A CN 105602375 A CN105602375 A CN 105602375A CN 201610153884 A CN201610153884 A CN 201610153884A CN 105602375 A CN105602375 A CN 105602375A
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carbon energy
heat insulation
exterior wall
insulation low
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黄宏亭
谢志超
蔡森
魏婷婷
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Zhongshan Motu New Material Technology Co., Ltd.
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Zhongshan Moore Chemical Industry Co Ltd
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004Reflecting paints; Signal paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1687Use of special additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

本发明公开了一种外墙隔热低碳节能涂料,其将丙烯酸弹性乳液聚合物,小粒径空心玻璃微珠,高分子聚合物,中空微珠聚合物乳液,低HLB值润湿剂,乙二醇等组分复配,使得涂料生产制程简易,制得的涂料成膜后具有超高效热反射率、涂膜表面较平滑,不粗糙更耐脏、涂膜耐候优异、储存稳定性高,是取得多国标准的薄涂较光滑型热反射隔热涂料。

Description

一种外墙隔热低碳节能涂料
【技术领域】
本发明涉及一种外墙隔热低碳节能涂料,属于外墙涂料技术领域。
【背景技术】
建筑物能源消耗约占社会总能源消耗的0~40%,建筑外墙保温技术是建筑节能的重要手段。而建筑外墙保温隔热涂料具有经济、环保、使用方便和节能效果好等优点,成为外墙保温隔热技术研发的热点。传统保温隔热外墙涂料多用空心玻璃微珠隔热,但添加空心玻璃微珠的涂料往往漆面比较粗糙,需要很厚的漆膜才能隔热,但易开裂,易沾污,展色性不好,不利于外墙表面的美观和使用。并且,在制备涂料时,空心玻璃微珠在加入的时候很容易飞扬被操作人员所吸入,影响人体健康。
【发明内容】
本发明的目的是为了克服现有技术的不足,提供一种制备安全,耐沾污,不易开裂,展色性好的外墙隔热低碳节能涂料。
本发明为实现上述目的,采用以下技术方案:
一种外墙隔热低碳节能涂料,其特征在于包括以下重量比组分组成:
本发明丙烯酸弹性乳液聚合物优选高性能纯丙烯酸弹性乳液聚合物(商品名:ELASTENETM2848NG,生产厂家为:美国陶氏化工,其特征为:比重(公斤/升):1.04,玻璃化温度(℃):-35,最低成膜温度:<0℃。
本发明中空心玻璃微珠的粒径为19-90μm,密度0.37g/cm3。空心玻璃微珠的直径越大,漆膜表面越粗糙,耐沾污性就越差,本发明使用美国INSULADD(盈速粒)。空心玻璃微珠添加量过大容易造成漆膜开裂,但添加量过少,隔热效果就达不到要求。因此,空心玻璃微珠的添加量及与其他组分的复配对漆膜的性能很重要。
本发明的丙烯酸弹性乳液聚合物为其固含量为60.5-61.5%,布氏粘度(厘泊、LVT、2#转子、30转/分、25℃):0-1000,pH值:7.0-8.0,属于表面紫外光固化型纯丙烯酸乳液,能在常温或低温环境条件下保持有优异的漆膜断裂伸长率、韧性和回复性,在各种膜厚条件下均保持良好的耐沾污性。本发明中丙烯酸弹性乳液聚合物有效改善漆膜开裂情况,即使漆膜厚度达到500μm,也不开裂,同时提高了漆膜的耐沾污性能。
本发明中的中空微珠聚合物乳液是一种空心球结结构的硬聚合物,优选陶氏的乐派酷优创E,特别对弹性乳液的耐沾污性有明显的改善,干燥后为功能性白色颜料,能有效提升漆膜的遮盖力和白度。本发明以其替换部分钛白粉,提高或不损失涂料遮盖力的前提下有效增加涂料本体体积,并具有出色的耐沾污性、突出的漆膜手感及更好的保色性,可以增加漆膜硬度,改善雨痕。
另一方面,本发明中的高分子聚合物能够有效反射热能,与空心玻璃微珠配合能够减小漆膜厚度同时有效隔热。本发明高分子聚合物优选澄逹Solarproof舒热盾,能反射92.2%总日光热能(300-2500nm)以及98.8%(380-780nm)可见光热能。空心玻璃微珠/澄逹Solarproof舒热盾组合与空心玻璃微珠应用于外墙漆时的反射性能如表1所示:
表1:
本发明中润湿剂的HLB为2-6,不含APEO的非离子润湿剂,其特性如下:
外观:澄清溶液,碘色值:max.1,密度(20℃):约1.03g/cm3,粘度(20℃):230-330mPas,pH值(1%水溶液):10.0-11.0,倾点:低于-15℃,闪点:约250℃,耐硬水,金属盐,酸,碱,与其他非离子,阴离子,阳离子表面活性剂兼容。
本发明优选乙二胺PO-EO嵌段共聚物(生产厂家是科莱恩化工,商品名:GenapolED3060),HLB值为2。HLB值为18的润湿剂比较亲水,润湿剂对漆膜的耐水性影响较大,而且本发明的润湿剂在生产中会润湿空心玻璃微珠,使空心玻璃微珠更好更快地溶于漆里,不会造成空心玻璃微珠在生产中到处飘,并且,本发明润湿剂HLB值低,比较亲油不会影响到漆膜的耐水性,也不会造成润湿剂迁移到表面而造成雨痕。
本发明还包括以下重量比组分:
本发明中纤维素优选HBR250纤维素,消泡剂优选SN1340消泡剂,成腊助剂优选COASOL,防腐剂优选K14,防霉剂优选Rocima363,金红石型钛白粉优选R706,增稠剂优选HNS300,pH调节剂优选AMP-95。
本发明制备时,在投高分子聚合物舒热盾时,必须先用乙二醇、COASOL和少量的水稀释后缓慢加入,否则会出现凝胶状态;空心玻璃微珠在投料时,必须把转速调为0r/min,避免空心玻璃微珠到处飞扬,料液里大量的GenapolED3060润湿剂通过降低空心玻璃微珠的表面张力润湿,使空心玻璃微珠在不受剪切力的作用下自动下沉,更好更快地溶于料液中,当空心玻璃微珠完全溶于料液中后再以300r/min低速分散10分钟分散均匀,再继续其他步骤,其它组分按正常工艺投料即可。
与现有技术相比,本发明有如下优点:
本发明使用后,漆膜性能优良,耐沾污性好,不易起雨痕,不会轻易开裂,具有优良的保温隔热效果同时,可以很好地赋予漆膜优良的展色性。
本发明制备时空心玻璃微珠不易飞扬,大大提高了制备时的安全性。本发明生产制程简易,制得的涂料成膜后具有超高效热反射率、涂膜表面较平滑,不粗糙更耐脏、涂膜耐候优异、储存稳定性高,是取得多国标准的薄涂较光滑型热反射隔热涂料。
【具体实施方式】
一种外墙隔热低碳节能涂料,其特征在于包括以下重量比组分组成:
下面通过具体实施方式对本发明做进一步更详细的说明。
实施例1-5的配比如表2所示:
表2:
实施例1-5的制备方法如下:
先将高分子聚合物用乙二醇、成膜助剂和少量水稀释备用,将丙烯酸弹性乳液聚合物,中空微珠聚合物乳液,重钙,金红石钛白粉,润湿剂和余量水混合均匀,缓慢加入高分子聚合物稀释液,搅拌均匀,调节转速为0r/min,投入空心玻璃微珠,待空心玻璃微珠完全溶于料液中再以300r/min低速分散均匀后继续加入其他组份混合均匀即可。实施例1-5的涂料涂后漆膜性能测试如表3所示:
表3:
由表1和表3可以看出,本发明涂料的漆膜防开裂性能更好,但薄涂时仍然有很好的反射性能,本发明同时改善了使用空心玻璃微珠会引起的耐水性,耐雨痕性和耐沾污性。

Claims (6)

1.一种外墙隔热低碳节能涂料,其特征在于包括以下重量比组分组成:
2.根据权利要求1所述的一种外墙隔热低碳节能涂料,其特征在于所述空心微珠的粒径为19-90μm,密度0.37g/cm3
3.根据权利要求1所述的一种外墙隔热低碳节能涂料,其特征在于所述润湿剂的HLB为2-6。
4.根据权利要求1所述的一种外墙隔热低碳节能涂料,其特征在于还包括以下重量比组分:
5.根据权利要求4所述的一种外墙隔热低碳节能涂料,其特征在于制备时,所述高分子聚合物投入前先用乙二醇,成膜助剂和少量的水稀释,再缓慢加入。
6.根据权利要求1所述的一种外墙隔热低碳节能涂料,其特征在于制备时,投料空心玻璃微珠时,转速调为0r/min,待空心玻璃微珠完全溶于料液中再以300r/min低速分散均匀后继续其他步骤。
CN201610153884.3A 2016-03-17 2016-03-17 一种外墙隔热低碳节能涂料 Pending CN105602375A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106433473A (zh) * 2016-12-01 2017-02-22 姚均甫 一种外墙隔热保温涂料
CN111534180A (zh) * 2020-06-23 2020-08-14 三棵树涂料股份有限公司 一种耐高温高防水隔热反射涂料及其制备方法
CN113861733A (zh) * 2021-10-01 2021-12-31 广州艾偲尼建材科技有限公司 一种屋面隔热防腐耐水泡的柔性装饰涂料及其配制方法

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CN103031028A (zh) * 2012-12-27 2013-04-10 广东自然涂化工有限公司 一种反射隔热质感涂料及其制备办法

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CN103031028A (zh) * 2012-12-27 2013-04-10 广东自然涂化工有限公司 一种反射隔热质感涂料及其制备办法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106433473A (zh) * 2016-12-01 2017-02-22 姚均甫 一种外墙隔热保温涂料
CN111534180A (zh) * 2020-06-23 2020-08-14 三棵树涂料股份有限公司 一种耐高温高防水隔热反射涂料及其制备方法
CN113861733A (zh) * 2021-10-01 2021-12-31 广州艾偲尼建材科技有限公司 一种屋面隔热防腐耐水泡的柔性装饰涂料及其配制方法

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