CN104530907A - 一种纳米粘土/环氧树脂复合涂料 - Google Patents

一种纳米粘土/环氧树脂复合涂料 Download PDF

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CN104530907A
CN104530907A CN201410824830.6A CN201410824830A CN104530907A CN 104530907 A CN104530907 A CN 104530907A CN 201410824830 A CN201410824830 A CN 201410824830A CN 104530907 A CN104530907 A CN 104530907A
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李可
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    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/32Phosphorus-containing compounds
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    • C08K3/34Silicon-containing compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K5/00Use of organic ingredients
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract

本发明提供一种纳米粘土/环氧树脂复合涂料及其制备方法,该涂料由环氧树脂(40-60%)、三聚合磷酸铝(5-10%)、云母粉(4-6%)、聚酰胺树脂固化剂(5-10%)、油酸钠(3-5%)、纳米粘土(3-5%)和去离子水(余量)组成,利用纳米粘土作为环氧树脂的增强剂,添加到环氧树脂涂料,制备一种纳米粘土/环氧树脂复合涂料,该涂料不污染环境、施工方便、且可以拼合其他水溶涂料树脂,改善性能。

Description

一种纳米粘土/环氧树脂复合涂料
技术领域
本发明涉及一种复合涂料,特别涉及一种改性增塑涂料,属于涂料领域。
发明内容
涂料即是我们常说的油漆和乳胶漆的统称,它是由高分子的成膜物质和其它的物质混合而成的,能够在基材的表面形成一层牢固的高分子膜的材料,而以水作为分散介质或者溶剂的都可称为水性涂料。
 科技的进步带动了涂料行业的高速发展,不断有新的涂料品种被研究和开发出来。为满足涂料在装饰性、耐候性、环境保护、节省能源、方便施工等方面更高的要求,近年来国外相继开发了新型、优质、高档的涂料。涂料的开发成功,将为涂料的发展和应用开辟更广阔的前景。国外涂料今后发展的趋势是向着水性、高装饰性、耐候性、抗污染性方向发展。由于溶剂型涂料对环境和人类健康都危害很大,因此世界各国都十分重视发展水性涂料,并制订有关法规,严格限制涂料中VOC (挥发性有机物)的含量,使用溶剂型涂料的比例越来越小,取而代之的是水性涂料。水性涂料具有技术先进、工艺清洁、低能耗、低排放、安全无毒等优点。
水性涂料代表着低污染涂料发展的主要方向,为了不断改善其性能,扩大其应用范围,近半个世纪以来国内外对水性涂料进行了大量的研究,其中水性环氧树脂是目前该领域研究的热点,水性环氧树脂具有优异的附着力,环氧树脂与固化剂交联后让环载树脂拥有卓越的耐化学品性能。但是环氧树脂固化时,会产生收缩力和热应力,导致内部产生裂纹,使环氧树脂固化物的力学性能变差,因此,消除环氧树脂固化物的内应力,提高产品韧性和抗开裂性能至关重要。
 提高涂料韧性的一般方法有:在树脂中引入具有活性的弹性和柔性基团,与树脂反应而嵌入到树脂交联结构中,形成互穿、半互穿网络结构等来消耗应力,但这是以损失材料的强度性能来提高材料的冲击韧性。本发明以纳米粘土作为环氧树脂的增强剂,添加到环氧树脂涂料中,制备一种纳米粘土/环氧树脂复合涂料,该涂料韧性将大幅增强。
发明内容
本发明的目的是提供一种纳米粘土/环氧树脂复合涂料及其工艺,其特征在于,该涂料由环氧树脂、三聚合磷酸铝、云母粉、聚酰胺树脂固化剂、油酸钠、纳米粘土和去离子水组成,其重量百分比为:
环氧树脂   40-60%
三聚合磷酸铝   5-10%
云母粉      4-6%
聚酰胺树脂固化剂  5-10%
 油酸钠    3-5%
纳米粘土  3-5%
去离子水    余量。
 该涂料的制备方法,其特征在于包括如下步骤:
⑴ 将油酸钠加入到一定量的去离子水中,混合均匀;
⑵ 再缓慢滴入环氧树脂进行乳化,乳化30-60 min;
⑶ 把适量云母粉投放到乳液中;
⑷ 往乳液中依次加入纳米粘土、三聚合磷酸铝、聚酰胺树脂固化剂;
⑸ 将混合物置于分散机中在分散搅拌处理,分散搅拌后即得一种纳米粘土/环氧树脂复合涂料。
优先的,分散机的速度设置为1000-2000r/min,时间为1-2h。
本发明具有下列优点和特性:
⑴水作为分散介质,无有机溶剂或挥发性有机化合物含量低,不污染环境;
⑵施工方便,操作安全;
⑶可以拼合其他水溶涂料树脂,改善性能。
具体实施方式
实施例一:
取一容器装入0.26kg去离子水,在将0.05kg油酸钠加入到去离子水中,搅拌混合均匀后,再缓慢滴入0.4kg环氧树脂进行乳化,乳化30 min后,加入0.04kg云母粉到乳液中,再往混合物中加入0.03kg纳米粘土、 0.1kg三聚合磷酸铝和 0.1kg聚酰胺树脂固化剂,并置于分散机中在分散搅拌处理,分散机的速度设置为1000r/min,时间为1h,即可制备一种纳米粘土/环氧树脂复合涂料。
实施例二:
取一容器装入0.17kg去离子水,在将0.04kg油酸钠加入到去离子水中,搅拌混合均匀后,再缓慢滴入0.6kg环氧树脂进行乳化,乳化45 min后,加入0.06kg云母粉到乳液中,再往混合物中加入0.03kg纳米粘土、 0.05kg三聚合磷酸铝和 0.05kg聚酰胺树脂固化剂,并置于分散机中在分散搅拌处理,分散机的速度设置为1500r/min,时间为1.5h,即可制备一种纳米粘土/环氧树脂复合涂料。
实施例三:
取一容器装入0.24kg去离子水,在将0.03kg油酸钠加入到去离子水中,搅拌混合均匀后,再缓慢滴入0.5kg环氧树脂进行乳化,乳化60 min后,加入0.05kg云母粉到乳液中,再往混合物中加入 0.04kg纳米粘土、0.06kg三聚合磷酸铝和 0.08kg聚酰胺树脂固化剂,并置于分散机中在分散搅拌处理,分散机的速度设置为2000r/min,时间为2h,即可制备一种纳米粘土/环氧树脂复合涂料。

Claims (2)

1.一种纳米粘土/环氧树脂复合涂料,其特征在于,该涂料所含组分及重量百分比为:
环氧树脂   40-60%
三聚合磷酸铝   5-10%
云母粉      4-6%
聚酰胺树脂固化剂  5-10%
 油酸钠    3-5%
纳米粘土  3-5%
去离子水    余量。
2.根据权利要求1所述的一种纳米粘土/环氧树脂复合涂料,其特征在于,该涂料的制备方法包括如下步骤:
⑴ 将油酸钠加入到一定量的去离子水中,混合均匀;
⑵ 再缓慢滴入环氧树脂进行乳化,乳化30-60 min;
⑶ 把适量云母粉投放到乳液中;
⑷ 往乳液中依次加入纳米粘土、三聚合磷酸铝、聚酰胺树脂固化剂;
⑸ 将混合物置于分散机中在分散搅拌处理,分散搅拌后即得一种纳米粘土/环氧树脂复合涂料。
CN201410824830.6A 2014-12-27 2014-12-27 一种纳米粘土/环氧树脂复合涂料 Pending CN104530907A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1978565A (zh) * 2005-12-02 2007-06-13 中国科学院金属研究所 纳米粘土改性环氧云铁涂料及其制备方法
CN1978564A (zh) * 2005-12-02 2007-06-13 中国科学院金属研究所 纳米粘土改性环氧富锌涂料及其制备方法
CN101104771A (zh) * 2007-08-20 2008-01-16 维新环保涂料(深圳)有限公司 水性环氧富锌底漆
CN103436136A (zh) * 2013-07-24 2013-12-11 广州擎天材料科技有限公司 一种可室温固化的用于工程起重机外表面涂装的水性防腐底漆及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1978565A (zh) * 2005-12-02 2007-06-13 中国科学院金属研究所 纳米粘土改性环氧云铁涂料及其制备方法
CN1978564A (zh) * 2005-12-02 2007-06-13 中国科学院金属研究所 纳米粘土改性环氧富锌涂料及其制备方法
CN101104771A (zh) * 2007-08-20 2008-01-16 维新环保涂料(深圳)有限公司 水性环氧富锌底漆
CN103436136A (zh) * 2013-07-24 2013-12-11 广州擎天材料科技有限公司 一种可室温固化的用于工程起重机外表面涂装的水性防腐底漆及其制备方法

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Application publication date: 20150422