CN108384135A - 一种墙体保温材料 - Google Patents
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Abstract
本发明涉及一种墙体保温材料,按重量分数配比由以下组分制成:聚氯乙烯树脂粉76‑103份、开孔膨胀珍珠岩12‑16份、包膜玻化微珠43‑46份、PE12‑32份、稳定剂5‑8份、PLA6‑11份、乙烯—醋酸乙烯共聚物12‑17份、纳米级颗粒无机材料8‑11份、内润滑剂2‑4份、碳酸钙25‑33份、发泡剂3‑12份、云母粉12‑24份。本发明的优点在于:本发明制得的聚氯乙烯墙体保温材料具有良好的阻燃性和抑烟性,同时保温效果良好,生产成本低,制作工艺简单。
Description
技术领域
本发明涉及建筑材料领域,特别涉及一种墙体保温材料。
背景技术
我国每年城乡新建房屋建筑面积近20亿平方米,既有建筑近420亿平方米,建筑能耗已占全国总能耗的27%以上,建筑节能问题已成为我国可持续发展的重要环节,尤其是围护结构的节能具有特别重要的地位。近几年聚苯泡沫板保温便应运而生,聚苯板保温效果非常好,而且密度非常低,能达到100kg/m3以下,但其致命缺陷是易燃,而且燃烧后发烟量大,所以其使用受到极大限制。近年来,北京、上海、沈阳等地发生了因保温层燃烧而引起的“央视大楼”、“上海教师公寓”、“沈阳万鑫酒店”火灾,充分暴露出传统有机保温材料的防火缺陷。住建部也在大力提倡开发新型的阻燃、轻质的保温材料。
玻化微珠保温砂浆是一种以玻化微珠为骨料的无机保温材料,因玻化微珠内部为蜂窝状空腔结构,表面形成玻璃体薄壳,因而具有质轻、吸水率低、强度高、理化性能稳定的特点。然而,目前我们国内生产的大部分玻化微珠都存在容重和吸水率过大问题。我国南方地区利用玻化微珠作骨料配制的保温砂浆干密度普遍偏高,使其保温性能大受影响。同时,目前制备的玻化微珠保温材料,因玻化微珠的吸水率(60%~150%)过大,导致其吸水率高,且制备的保温材料容重大多为300~500kg/m3,导热系数为0.075~1.5/W/m·K,而且强度偏低,不能够满足我国建筑节能65%的要求,特别是在寒冷的北方。
发明内容
本发明要解决的技术问题是提供一种阻燃性和抑烟性良好,且吸水率低以及抗压强度高的墙体保温材料。
为解决上述技术问题,本发明的技术方案为:一种墙体保温材料,其创新点在于:按重量分数配比由以下组分制成:
聚氯乙烯树脂粉76-103份、开孔膨胀珍珠岩 12-16 份、包膜玻化微珠43-46份、PE12-32 份、稳定剂5-8份、PLA 6-11份、乙烯—醋酸乙烯共聚物12-17份、纳米级颗粒无机材料8-11 份、内润滑剂2-4份、碳酸钙 25-33份、发泡剂3-12份、云母粉 12-24 份。
进一步的,所述聚氯乙烯树脂粉的聚合度为600-1100。
进一步的,所述稳定剂为复合铅类稳定剂、钙锌类稳定剂或有机锡稳定剂。
进一步的,所述内润滑剂为硬脂酸、硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯。
进一步的,所述发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
本发明的优点在于:玻化微珠通过粉煤灰以及铁黑粉进行包膜处理,不仅能够降低玻化微珠的吸水率,而且还能够增强玻化微珠作为骨料的强度。充分利用玻化微珠理化性能十分稳定、耐老化耐候性强等优点,因此,制备出的墙体保温材料其保温性能更持久,吸水率低以及抗压强度高。
本发明制得的聚氯乙烯墙体保温材料具有良好的阻燃性和抑烟性,同时保温效果良好,生产成本低,制作工艺简单。
本发明利用各种无机填料,制备的墙体材料保温效果好,环保、制备简单方便。
具体实施方式
下面的实施例可以使本专业的技术人员更全面地理解本发明,但并不因此将本发明限制在所述的实施例范围之中。
实施例1
本发明的墙体保温材料按重量分数配比由以下组分制成:
聚氯乙烯树脂粉76份、开孔膨胀珍珠岩 12 份、包膜玻化微珠43份、PE12 份、稳定剂5份、PLA 6份、乙烯—醋酸乙烯共聚物12份、纳米级颗粒无机材料 8 份、内润滑剂2份、碳酸钙 25份、发泡剂3份、云母粉 12 份。
上述配方中,聚氯乙烯树脂粉的聚合度为600-1100,所述稳定剂为复合铅类稳定剂、钙锌类稳定剂或有机锡稳定剂,内润滑剂为硬脂酸、硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯,发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
实施例2
本发明的墙体保温材料按重量分数配比由以下组分制成:
聚氯乙烯树脂粉103份、开孔膨胀珍珠岩 16 份、包膜玻化微珠46份、PE 32 份、稳定剂8份、PLA 11份、乙烯—醋酸乙烯共聚物17份、纳米级颗粒无机材料 11 份、内润滑剂4份、碳酸钙 33份、发泡剂12份、云母粉 24 份。
上述配方中,聚氯乙烯树脂粉的聚合度为600-1100,所述稳定剂为复合铅类稳定剂、钙锌类稳定剂或有机锡稳定剂,内润滑剂为硬脂酸、硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯,发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
实施例3
本发明的墙体保温材料按重量分数配比由以下组分制成:
聚氯乙烯树脂粉86份、开孔膨胀珍珠岩 14 份、包膜玻化微珠45份、PE 21份、稳定剂6份、PLA 8份、乙烯—醋酸乙烯共聚物14份、纳米级颗粒无机材料 9份、内润滑剂3份、碳酸钙29份、发泡剂8份、云母粉 17份。
上述配方中,聚氯乙烯树脂粉的聚合度为600-1100,所述稳定剂为复合铅类稳定剂、钙锌类稳定剂或有机锡稳定剂,内润滑剂为硬脂酸、硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯,发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
玻化微珠通过粉煤灰以及铁黑粉进行包膜处理,不仅能够降低玻化微珠的吸水率,而且还能够增强玻化微珠作为骨料的强度。充分利用玻化微珠理化性能十分稳定、耐老化耐候性强等优点,因此,制备出的墙体保温材料其保温性能更持久,吸水率低以及抗压强度高。
本发明制得的聚氯乙烯墙体保温材料具有良好的阻燃性和抑烟性,同时保温效果良好,生产成本低,制作工艺简单。
本发明利用各种无机填料,制备的墙体材料保温效果好,环保、制备简单方便。
本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (5)
1.一种墙体保温材料,其特征在于:按重量分数配比由以下组分制成:
聚氯乙烯树脂粉76-103份、开孔膨胀珍珠岩 12-16 份、包膜玻化微珠43-46份、PE12-32 份、稳定剂5-8份、PLA 6-11份、乙烯—醋酸乙烯共聚物12-17份、纳米级颗粒无机材料8-11 份、内润滑剂2-4份、碳酸钙 25-33份、发泡剂3-12份、云母粉 12-24 份。
2.根据权利要求1所述的墙体保温材料,其特征在于:所述聚氯乙烯树脂粉的聚合度为600-1100。
3.根据权利要求1所述的墙体保温材料,其特征在于:所述稳定剂为复合铅类稳定剂、钙锌类稳定剂或有机锡稳定剂。
4.根据权利要求1所述的墙体保温材料,其特征在于:所述内润滑剂为硬脂酸、硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯。
5.根据权利要求1所述的墙体保温材料,其特征在于:所述发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
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