CN112266198A - 一种弹性保温浆体及其制备方法 - Google Patents

一种弹性保温浆体及其制备方法 Download PDF

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CN112266198A
CN112266198A CN202010978509.9A CN202010978509A CN112266198A CN 112266198 A CN112266198 A CN 112266198A CN 202010978509 A CN202010978509 A CN 202010978509A CN 112266198 A CN112266198 A CN 112266198A
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陈国忠
陈永顺
陈炜
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Jiangsu Teyounuo New Materials Technology Co ltd
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Abstract

一种弹性保温浆体及其制备方法,由以下重量百分比的原料组成:聚合物乳液8‑12%、硅微粉10‑12%、重钙粉12‑18%、玻化微珠25‑30%、煅烧高岭土6‑8%、硫酸钡4‑5%、阻燃剂1‑1.5%、润湿剂0.2‑0.5%、余量为水;本发明采用硅微粉为轻骨架,同时加入聚合物乳液和煅烧高岭土提高了浆体的粘结力,可以快速凝结,与基材产生较强的粘结强度,高达0.11MPa,而且采用巴斯夫的丙苯乳液,使得固化后强度较高,而且可以保证产品具有较好的韧性,上墙后不易碎裂和脱落;而且浆体的保温性能好,添加了玻化微珠,使得到的浆体的导热系数小于0.053W/(m·K),而且具备较好的阻燃性。

Description

一种弹性保温浆体及其制备方法
技术领域
本发明涉及程材料技术领域,尤其涉及一种弹性保温浆体及其制备方法。
背景技术
能源是保障人类活动和经济社会可持续发展的物质基础。近年来,人类对能源的过度开发利用带来了全球气候变暖、环境恶化等问题;中国是一个发展中大国,能源消耗增长迅速,为了缓解我国能源紧缺问题,改善国民生活工作条件,减轻环境污染,推进经济可持续发展,建筑节能作为一种可持续发展的节能方式正日渐受到人们的重视;
降低建筑围护结构墙体的传热系数是建筑节能的主要措施和有效手段之一,其中添加保温隔热材料是降低传热系数的首要手段;依据材料的性质,目前国内外应用在墙体保温隔热领域内的材料主要分为两大类:有机保温材料和无机保温材料;有机类保温材料主要包括发泡聚苯板、挤塑聚苯板、喷涂聚氨酯以及聚苯颗粒等,虽然可以做到质轻保温,但此类产品最突出的问题是易燃、不耐老化(保温性能衰减)以及有毒,这些问题直接危机到人的生命财产安全,危机到绿色环保和社会稳定;较之有机类保温材料,无机保温材料的防火等级高、阻燃性强,而且不易变形、稳定性好,在施工过程中与墙体基面和抹面层的粘结较为牢固,很少出现空鼓开裂现象;但现有的无机保温材料还是存在例如干密度偏大、保温隔热性能稍差等缺陷。
发明内容
本发明要解决的技术问题是克服现有的缺陷,提供一种弹性保温浆体,由以下重量百分比的原料组成:
Figure BDA0002686704360000011
Figure BDA0002686704360000021
优选地,所述的弹性保温浆体由以下重量百分比的原料组成:
Figure BDA0002686704360000022
优选地,所述的玻化微珠粒径为90-125μm。
优选地,所述的硅微粉粒径为30-58μm。
优选地,所述的聚合物乳液采用巴斯夫S400F乳液。
优选地,所述的阻燃剂选自聚四氟乙烯微粉、氢氧化铝和氢氧化镁中的任意一种。
一种弹性保温浆体的制备方法,包括如下步骤:
(1)按照重量份称取1/2-2/3配方量的水,然后加入聚合物乳液、玻化微珠、硅微粉、润湿剂,搅拌混合均匀,得到混合物a;
(2)按重量份计,取重钙粉、煅烧高岭土、硫酸钡、阻燃剂以及剩余配方量的水,搅拌混合均匀,得到混合物b;
(3)将混合物a与混合物b混合400-600rpm搅拌5-10min,得到所述的弹性保温浆体。
与现有技术相比,本发明的有益效果为:
(1)采用硅微粉为轻骨架,同时加入聚合物乳液和煅烧高岭土提高了浆体的粘结力,可以快速凝结,与基材产生较强的粘结强度,高达0.11MPa,而且采用巴斯夫的丙苯乳液,使得固化后强度较高,而且可以保证产品具有较好的韧性,上墙后不易碎裂和脱落;
(2)浆体的保温性能好,添加了玻化微珠,使得到的浆体的导热系数小于0.053W/(m·K),而且具备较好的阻燃性;
(3)降低了墙体保温浆体的生产成本,而且可以在现场直接调和使用,方便操作;安全环保,符合产业政策。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。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1
一种弹性保温浆体,由以下重量百分比的原料组成:聚合物乳液10%、硅微粉12%、重钙粉16%、玻化微珠30%、煅烧高岭土8%、硫酸钡4%、聚四氟乙烯微粉1%、润湿剂0.3%、余量为水。
实施例2
一种弹性保温浆体,由以下重量百分比的原料组成:聚合物乳液11.5%、硅微粉10.5%、重钙粉15%、玻化微珠28%、煅烧高岭土7%、硫酸钡5%、聚四氟乙烯微粉1.5%、润湿剂0.4%、余量为水。
实施例3
一种弹性保温浆体,由以下重量百分比的原料组成:聚合物乳液12%、硅微粉11%、重钙粉17%、玻化微珠25%、煅烧高岭土6%、硫酸钡4.5%、氢氧化铝1.5%、润湿剂0.5%、余量为水。
实施例4
一种弹性保温浆体,由以下重量百分比的原料组成:聚合物乳液12%、硅微粉10%、重钙粉13%、玻化微珠25%、煅烧高岭土6.5%、硫酸钡4.5%、氢氧化镁1.2%、润湿剂0.3%、余量为水。
实施例1-4的弹性保温浆体的制备方法如下:
(1)按照重量份称取1/2-2/3配方量的水,然后加入聚合物乳液、玻化微珠、硅微粉、润湿剂,搅拌混合均匀,得到混合物a;
(2)按重量份计,取重钙粉、煅烧高岭土、硫酸钡、阻燃剂以及剩余配方量的水,搅拌混合均匀,得到混合物b;
(3)将混合物a与混合物b混合400-600rpm搅拌5-10min,得到所述的弹性保温浆体。
性能验证
对实施例1-4和对比例进行了性能测试,结果如表1所示。
表1
Figure BDA0002686704360000041
Figure BDA0002686704360000051
从上述数据可知,本发明的保温浆体粘结强度和导热系数保证了保温浆体保温性能的可靠性。
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 (7)

1.一种弹性保温浆体,其特征在于,由以下重量百分比的原料组成:
Figure FDA0002686704350000011
2.根据权利要求1所述的一种弹性保温浆体,其特征在于,由以下重量百分比的原料组成:
Figure FDA0002686704350000012
3.根据权利要求1所述的一种弹性保温浆体,其特征在于,所述的玻化微珠粒径为90-125μm。
4.根据权利要求1所述的一种弹性保温浆体,其特征在于,所述的硅微粉粒径为30-58μm。
5.根据权利要求1所述的一种弹性保温浆体,其特征在于,所述的聚合物乳液采用巴斯夫S400F乳液。
6.根据权利要求1所述的一种弹性保温浆体,其特征在于,所述的阻燃剂选自聚四氟乙烯微粉、氢氧化铝和氢氧化镁中的任意一种。
7.如权利要求1所述的弹性保温浆体的制备方法,其特征在于,包括如下步骤:
(1)按照重量份称取1/2-2/3配方量的水,然后加入聚合物乳液、玻化微珠、硅微粉、润湿剂,搅拌混合均匀,得到混合物a;
(2)按重量份计,取重钙粉、煅烧高岭土、硫酸钡、阻燃剂以及剩余配方量的水,搅拌混合均匀,得到混合物b;
(3)将混合物a与混合物b混合400-600rpm搅拌5-10min,得到所述的弹性保温浆体。
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