CN110343447B - 一种高温耐腐蚀改性剂的制备方法 - Google Patents
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Abstract
本发明公开了一种高温耐腐蚀改性剂的制备方法。包括以下重量份数配比的原料:水性环氧树脂100份、丙烯酸树脂30~50份、蓖麻油多缩水甘油醚20~25份、聚醚改性有机硅10~20份、异丙基化磷酸三苯酯8~12份、聚氨酯3~6份、聚硅氧烷5~7份、异氰酸酯9~12份、聚异丁烯3~7份、聚磷酸铵盐10~12份。本发明提供一种高温耐腐蚀改性剂的制备方法,该改性剂能够有效地提升喷涂涂料的耐高温及耐腐蚀特性,增强涂料对设备表面的保护。
Description
技术领域
本发明涉及建材涂料技术领域,具体为一种高温耐腐蚀改性剂的制备方法。
背景技术
随着人们生活质量的不断提高,度与居家装潢越来越多的人们选择使用更加贴近于自然的建筑材料,木质材料及家具由于其源于自然,对人体危害性小,亲肤且热传导性差的性状被广泛应用于自然家具。木质材料本身具有良好的硬度特性,高可塑性使其作为材料的独特家具层出不穷,随着人们的亲和自然的家具观念的浓厚,木质建材及家具越来越受欢迎。
木质材料本身还具有易燃易腐蚀的特性,其表面粗糙且容易受风化干裂,受水易发霉,其本身的自然寿命时间无法满足人们的生活需求,对木质建材表面进行喷涂加工以延长木质家具的使用寿命是目前常用的手法。
但是目前部分木质建材的喷涂材料为油性,其本身的阻燃及耐腐蚀特性并不好,加上木质本身的易燃特性,在高温情况下很容易发生自燃,引发或扩大火灾趋势,给建筑及居民居家生活安全带来威胁。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种高温耐腐蚀改性剂的制备方法,解决了木质建材及家具涂料阻燃耐腐蚀效果不好的问题。
(二)技术方案
为实现上述目的,本发明提供如下技术方案:一种高温耐腐蚀的改性剂,包括以下重量份数配比的原料:
水性环氧树脂100份;
丙烯酸树脂30~50份;
蓖麻油多缩水甘油醚20~25份;
聚醚改性有机硅10~20份;
异丙基化磷酸三苯酯8~12份;
聚氨酯3~6份;
聚硅氧烷5~7份;
异氰酸酯9~12份;
聚异丁烯3~7份;
聚磷酸铵盐10~12份。
优选的,所述聚磷酸铵盐为水溶性聚磷酸铵,其制备方法采用磷酸尿素缩合法制备。
优选的,所述一种高温耐腐蚀的改性剂,包括以下重量份数配比的原料:
水性环氧树脂100份;
丙烯酸树脂40份;
蓖麻油多缩水甘油醚23份;
聚醚改性有机硅15份;
异丙基化磷酸三苯酯10份;
聚氨酯5份;
聚硅氧烷6份;
异氰酸酯11份;
聚异丁烯5份;
聚磷酸铵盐11份。
优选的,一种高温耐腐蚀改性剂的制备方法,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂30~50份、异氰酸酯9~12份、聚异丁烯3~7份加入反应釜中,在150℃~210℃下搅拌混合1.5~2小时,直至其均匀不分层,色泽匀厚;
2)冷却至85℃~95℃,将聚醚改性有机硅10~20份、聚硅氧烷5~7份、聚磷酸铵盐10~12份、蓖麻油多缩水甘油醚20~25份加入,继续混合搅拌1~1.5小时;
3)冷却至45℃~50℃,将异丙基化磷酸三苯酯8~12份、聚氨酯3~6份、异氰酸酯9~12份加入混合均匀即得高温耐腐蚀改性剂。
(三)有益效果
本发明提供了一种高温耐腐蚀改性剂,具备以下有益效果:
(1)各成分的效果如下:
水性环氧树脂:涂料溶剂,防腐性能优异;
丙烯酸树脂:保光保色性、耐水耐化学性、干燥快、施工方便,易于施工重涂和返工;
蓖麻油多缩水甘油醚:活性稀释剂,优异的耐水性、气味低、不挥发,使环氧树脂具有较高的柔韧性及抗冲击性;
聚醚改性有机硅:流平、消泡,具有良好的耐磨性;
异丙基化磷酸三苯酯:非卤阻燃增塑剂;
聚氨酯:较高的机械强度和氧化稳定性,具有优良的耐油性、耐溶剂性、耐水性和耐火性;
聚硅氧烷:表面活性剂。
异氰酸酯:有机合成中间体,本身燃点高,能够改良防水性;
聚异丁烯:具有优异的气密性,可以耐酸碱,如氨水、盐酸等;
聚磷酸铵盐:非卤消烟阻燃剂,具有良好的阻燃特性。
(2)该高温耐腐蚀改性剂以树脂的活性基团与有机硅中间体低聚物中的羟基、烷氧基或不饱和烃基进行缩聚或聚合反应,使其具备耐高温的特性,含自由异氰酸酯基团的聚氨酯,能够提升涂料的附着力。耐磨性、耐油性及耐化学腐蚀的特性。该高温耐腐蚀改性剂采用聚异丁烯进一步增强了涂料对于酸碱化合物的抗性。
具体实施方式
基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一:
一种高温耐腐蚀改性剂的制备方法,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂30份、异氰酸酯9份、聚异丁烯6份加入反应釜中,在150℃下搅拌混合2小时,直至其均匀不分层,色泽匀厚;
2)冷却至85℃℃,将聚醚改性有机硅10份、聚硅氧烷6份、聚磷酸铵盐12份、蓖麻油多缩水甘油醚23份加入,继续混合搅拌1.5小时;
3)冷却至45℃~50℃,将异丙基化磷酸三苯酯12份、聚氨酯6份、异氰酸酯12份加入混合均匀即得高温耐腐蚀改性剂。
实施例二:
一种高温耐腐蚀改性剂的制备方法,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂45份、异氰酸酯10份、聚异丁烯5份加入反应釜中,在180℃下搅拌混合1.5小时,直至其均匀不分层,色泽匀厚;
2)冷却至90℃,将聚醚改性有机硅13份、聚硅氧烷5份、聚磷酸铵盐11份、蓖麻油多缩水甘油醚22份加入,继续混合搅拌1.5小时;
3)冷却至45℃~50℃,将异丙基化磷酸三苯酯10份、聚氨酯4份、异氰酸酯9份加入混合均匀即得高温耐腐蚀改性剂。
实施例三:
一种高温耐腐蚀改性剂的制备方法,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂48份、异氰酸酯11份、聚异丁烯5份加入反应釜中,在170℃下搅拌混合2小时,直至其均匀不分层,色泽匀厚;
2)冷却至95℃,将聚醚改性有机硅18份、聚硅氧烷7份、聚磷酸铵盐10份、蓖麻油多缩水甘油醚20份加入,继续混合搅拌1.5小时;
3)冷却至50℃,将异丙基化磷酸三苯酯12份、聚氨酯6份、异氰酸酯11份加入混合均匀即得高温耐腐蚀改性剂。
综上所述,高温耐腐蚀改性剂的制备方法在利用有机硅固化性、耐溶剂性、保色性、柔韧性、冷混性等优点的基础上添加异氰酸酯、聚异丁烯、水溶性聚磷酸铵盐等原料对其较差的耐热性进行增强,以制备一种具有高温耐腐蚀改性剂,该改性剂具有较强的耐高温特性,且能够阻隔强酸强碱对于涂料及木质建材本身的腐蚀,保障材料安全。尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (3)
1.一种高温耐腐蚀改性剂的制备方法,其特征在于,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂30份、异氰酸酯9份、聚异丁烯6份加入反应釜中,在150℃下搅拌混合2小时,直至其均匀不分层,色泽匀厚;
2)冷却至85℃,将聚醚改性有机硅10份、聚硅氧烷6份、聚磷酸铵盐12份、蓖麻油多缩水甘油醚23份加入,继续混合搅拌1.5小时;
3)冷却至45℃~50℃,将异丙基化磷酸三苯酯12份、聚氨酯6份、异氰酸酯12份加入混合均匀即得高温耐腐蚀改性剂。
2.一种高温耐腐蚀改性剂的制备方法,其特征在于,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂45份、异氰酸酯10份、聚异丁烯5份加入反应釜中,在180℃下搅拌混合1.5小时,直至其均匀不分层,色泽匀厚;
2)冷却至90℃,将聚醚改性有机硅13份、聚硅氧烷5份、聚磷酸铵盐11份、蓖麻油多缩水甘油醚22份加入,继续混合搅拌1.5小时;
3)冷却至45℃~50℃,将异丙基化磷酸三苯酯10份、聚氨酯4份、异氰酸酯9份加入混合均匀即得高温耐腐蚀改性剂。
3.一种高温耐腐蚀改性剂的制备方法,其特征在于,包括以下步骤:
1)将水性环氧树脂100份、丙烯酸树脂48份、异氰酸酯11份、聚异丁烯5份加入反应釜中,在170℃下搅拌混合2小时,直至其均匀不分层,色泽匀厚;
2)冷却至95℃,将聚醚改性有机硅18份、聚硅氧烷7份、聚磷酸铵盐10份、蓖麻油多缩水甘油醚20份加入,继续混合搅拌1.5小时;
3)冷却至50℃,将异丙基化磷酸三苯酯12份、聚氨酯6份、异氰酸酯11份加入混合均匀即得高温耐腐蚀改性剂。
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CN106280885B (zh) * | 2016-08-16 | 2019-07-05 | 湖北巴司特科技有限公司 | 一种高效节能型双组份环氧树脂涂料及其制备方法 |
CN108841286A (zh) * | 2018-05-21 | 2018-11-20 | 三江学院 | 一种耐磨耐腐蚀表面涂层材料及其制备方法 |
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Application publication date: 20191018 Assignee: Jiangsu shunzhou Intelligent Technology Research Institute Co., Ltd Assignor: NANJING FORESTRY University Contract record no.: X2021980006435 Denomination of invention: A preparation method of high temperature corrosion resistant modifier Granted publication date: 20210323 License type: Common License Record date: 20210719 |