CN106499145A - 一种复合保温耐火节能装饰板及其制备方法 - Google Patents
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Abstract
一种复合保温耐火节能装饰板,以分级筛选后的粉煤灰、石灰粉、硅酸钙、硅酮酰胺稳泡剂、铝粉悬浮液为原料,按重量比称取,经搅拌、蒸养、加压成型等工艺制得蒸压加气混凝土砌块保温层;以自主研发的纳米复合硅质、石灰粉、水泥、针叶木浆、外加剂为原料,经搅拌、流浆制板、蒸养、加压成型等工艺制得硅酸钙板为装饰层;保温层与装饰层之间通过耐高温防水胶固定制得的复合保温耐火节能装饰板,耐火温度达600~700℃,导热系数低至0.01~0.02W/m·K,有效节约了能源,生产工艺简单、经久耐用、低能耗且无污染,可广泛应用于市政建设、公寓住宅、园林景点等诸多外墙工程领域。
Description
技术领域
本发明属于建筑材料领域,涉及一种复合保温耐火装饰板及其制备方法。
背景技术
保温装饰材料又称保温装饰一体化成品板,是在工厂预制成型的具有外墙保温功能的板材。保温装饰板由保温材料与装饰材料复合而成,用于贴挂在建筑外墙面,同时具有保温和装饰功能。传统上,装饰材料与保温材料是相互独立生产并安装,外立面装饰与保温材料的安装都是手工作业,施工人员和作业环境会严重影响最终质量,消耗了大量的人力和物力。设计装饰材料与保温材料一体化的产品已成为一种势在必行的趋势。
李本明提供了一种复合保温节能装饰材料[李本明,一种复合保温节能装饰板,CN201310670888]。该保温节能装饰材料以硅藻土、灰钙粉、水泥、熟石膏粉、漂珠、氯化镁、憎水剂、肥皂粉和碳酸钙为原料制得保温层,用粘结剂与聚苯板、酚醛泡沫保温板或聚氨酯泡沫保温板装饰层相连接,获得了一体化的保温装饰材料。该保温材料的装饰层采用的均为有机物板,耐火等级较低仍存在安全隐患。同时,其保温层材料与装饰层材料因热膨胀系数差异较大,导致产品容易出现开裂、性能不稳定等问题。目前,制备一种保温层与装饰层均以无机盐类为主要原料的一体化复合保温耐火节能装饰板报道较少。
发明内容
本发明目的是制备一种复合保温耐火节能装饰板。
本发明提供的复合保温耐火节能装饰板,其特征是:以蒸压加气混凝土砌块为保温层、硅酸钙(CaSiO3)板为装饰层,保温层与装饰层之间通过耐高温防水胶固定,耐火温度达600~700℃,导热系数低至0.01~0.02W/m·K。
本发明提供上述的蒸压加气混凝土砌块保温层及其制备方法包括如下步骤:
以分级筛选后的粉煤灰350~400份(≤180目)、石灰粉50~100份、硅酸钙15~20份、硅酮酰胺稳泡剂20~25份、铝粉悬浮液8~10份为原料,按重量比称取,经搅拌30~50min(转速:300~450r/min),加热至80~100℃,保温1~2h,静置1h~2h后切割,随后将切割物放置在蒸养釜中200~220℃时,压力调至12~13Mpa,蒸养1~2h,冷却至室温制得;
本发明提供上述的硅酸钙板为装饰层及其制备方法包括如下步骤:
配置工业酒精与水体积比2∶1的酒精水溶液,滴入氨水调节pH至10,加入石英粉同时再滴入正硅酸乙酯,其中正硅酸乙酯与石英粉的摩尔比为1∶7~9,经搅拌10min(转速:200r/min)后静置,80℃下烘干24h,得到所需纳米复合硅质(主要成分:SiO2)材料,其中纳米尺度的硅质材料的平均晶粒尺寸为≤20nm;以自主研发的纳米复合硅质材料100~120份、石灰粉(主要成分:CaO)150~200份、水泥20~30份、针叶木浆10~30份、外加剂3~5份为原料,加水后搅拌30min(转速:300r/min)获得浆体,后将浆体加入流浆制板机进行作业获得胚板,经挤压成型40min(压力:40Mpa),60℃时预养6h,在蒸养釜中180℃时,压力调至2~4Mpa,蒸养20~24h,冷却至室温制得;
本发明的有益技术效果:
本发明制备一种复合保温耐火节能装饰板具有三个明显的优点:一是蒸压加气混凝土砌块保温层结合硅酸钙板装饰层制得耐火等级高的保温节能装饰板;二是蒸压加气混凝土砌块保温层与硅酸钙板装饰层的热膨胀系数差异小,克服了开裂的缺点;三是纳米级SiO2的使用,降低了墙体材料的导热系数,大幅度提升了材料的保温隔热性能。
本发明以蒸压加气混凝土砌块为保温层、硅酸钙板为装饰层,保温层与装饰层之间通过耐高温防水胶固定制得一种复合保温耐火节能装饰板,有效节约了能源,生产工艺简单、经久耐用、低能耗且无污染,可广泛应用于市政建设、公寓住宅、园林景点等诸多外墙工程领域。
附图说明
图1为复合保温耐火节能装饰板的结构示意图;
具体实施方式
1.以分级筛选后的粉煤灰350份(≤180目)、石灰粉100份、硅酸钙(CaSiO3)20份、硅酮酰胺稳泡剂20份、铝粉悬浮液8份为原料,按重量比称取,经搅拌50min(转速:450r/min),加热至80,保温2h,静置1h后切割,随后将切割物放置在蒸养釜中200℃时,压力调至12Mpa,蒸养1h,冷却至室温制得蒸压加气混凝土砌块保温层;以自主研发的纳米复合硅质材料120份、石灰粉(主要成分:CaO)200份、水泥30份、针叶木浆30份、外加剂5份为原料,加水后搅拌30min(转速:300r/min)获得浆体,后将浆体加入流浆制板机进行作业获得胚板,经挤压成型40min(压力:40Mpa),60℃时预养6h,在蒸养釜中180℃时,压力调至4Mpa,蒸养24h,冷却至室温制得硅酸钙板为装饰层;保温层与装饰层之间通过耐高温防水胶固定制得耐火温度达600℃,导热系数低至0.02W/m·K的复合保温耐火节能装饰板。
2.以分级筛选后的粉煤灰400份(≤180目)、石灰粉80份、硅酸钙(CaSiO3)18份、硅酮酰胺稳泡剂25份、铝粉悬浮液10份为原料,按重量比称取,经搅拌30min(转速:300r/min),加热至90℃,保温1h,静置1h后切割,随后将切割物放置在蒸养釜中220℃时,压力调至13Mpa,蒸养2h,冷却至室温制得蒸压加气混凝土砌块保温层;以自主研发的纳米复合硅质材料100份、石灰粉(主要成分:CaO)200份、水泥30份、针叶木浆10份、外加剂5份为原料,加水后搅拌30min(转速:300r/min)获得浆体,后将浆体加入流浆制板机进行作业获得胚板,经挤压成型40min(压力:40Mpa),60℃时预养6h,在蒸养釜中180℃时,压力调至2~4Mpa,蒸养20h,冷却至室温制得硅酸钙板为装饰层;保温层与装饰层之间通过耐高温防水胶固定制得耐火温度达650℃,导热系数低至0.015W/m·K的复合保温耐火节能装饰板。
3.以分级筛选后的粉煤灰350份(≤180目)、石灰粉100份、硅酸钙(CaSiO3)15份、硅酮酰胺稳泡剂25份、铝粉悬浮液8份为原料,按重量比称取,经搅拌50min(转速:300~450r/min),加热至100℃,保温2h,静置2h后切割,随后将切割物放置在蒸养釜中210℃时,压力调至13Mpa,蒸养2h,冷却至室温制得蒸压加气混凝土砌块保温层;以自主研发的纳米复合硅质材料120份、石灰粉(主要成分:CaO)150份、水泥20份、针叶木浆20份、外加剂5份为原料,加水后搅拌30min(转速:300r/min)获得浆体,后将浆体加入流浆制板机进行作业获得胚板,经挤压成型40min(压力:40Mpa),60℃时预养6h,在蒸养釜中180℃时,压力调至4Mpa,蒸养24h,冷却至室温制得硅酸钙板为装饰层;保温层与装饰层之间通过耐高温防水胶固定制得耐火温度达700℃,导热系数低至0.01W/m·K的复合保温耐火节能装饰板。
表1:本发明与市场产品参数对比
Claims (4)
1.一种复合保温耐火节能装饰板,其特征是:以蒸压加气混凝土砌块为保温层、硅酸钙(CaSiO3)板为装饰层,保温层与装饰层之间通过耐高温防水胶固定,耐火温度达600~700℃,导热系数低至0.01~0.02W/m·K。
2.按照权利要求1所述蒸压加气混凝土砌块保温层的制备方法,其特征在于包括如下步骤:
以分级筛选后的粉煤灰350~400份(≤180目)、石灰粉50~100份、硅酸钙(CaSiO3)15~20份、硅酮酰胺稳泡剂20~25份、铝粉悬浮液8~10份为原料,按重量比称取,经搅拌30~50min(转速:300~450r/min),加热至80~100℃,保温1~2h,静置1h~2h后切割,随后将切割物放置在蒸养釜中200~220℃时,压力调至12~13Mpa,蒸养1~2h,冷却至室温制得。
3.按照权利要求1所述硅酸钙(CaSiO3)板为装饰层的制备方法,其特征在于包括如下步骤:
以自主研发的纳米复合硅质(主要成分:SiO2)材料100~120份、石灰粉(主要成分:CaO)150~200份、水泥20~30份、针叶木浆10~30份、外加剂3~5份为原料,加水后搅拌30min(转速:300r/min)获得浆体,后将浆体加入流浆制板机进行作业获得胚板,经挤压成型40min(压力:40Mpa),60℃时预养6h,在蒸养釜中180℃时,压力调至2~4Mpa,蒸养20~24h,冷却至室温制得。
4.按照权利要求3所述自主研发的纳米复合硅质材料的制备方法,其特征在于包括如下步骤:
配置工业酒精与水体积比2∶1的酒精水溶液,滴入氨水调节pH至10,加入石英粉同时再滴入正硅酸乙酯,其中正硅酸乙酯与石英粉的摩尔比为1∶7~9,经搅拌10min(转速:200r/min)后静置,80℃下烘干24h,得到所需纳米复合硅质(主要成分:SiO2)材料,其中纳米尺度的硅质材料的平均晶粒尺寸为≤20nm。
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WO2021089835A1 (en) * | 2019-11-08 | 2021-05-14 | I4F Licensing Nv | Decorative panel, and decorative floor covering consisting of said panels |
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