CN109024941A - 一种泡沫塑料复合水泥保温板及其制备方法 - Google Patents
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- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
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Abstract
本发明提供了一种泡沫塑料复合水泥保温板及其制备方法,其特征在于所述保温板以孔隙率为40~80%的多孔水泥板为基体,泡沫塑料充分镶嵌式填充于多孔水泥板内部孔隙中;所述多孔水泥板的平均孔径为1~3mm,开孔率大于90%,密度为100kg/m3~300kg/m3;所述泡沫塑料为尿素三聚氰胺改性酚醛泡沫塑料;所述多孔水泥板与泡沫塑料的体积比为1~4:1;所述的泡沫塑料孔径为8~500μm,闭孔率大于85%;该泡沫塑料复合水泥保温板制备方法包括:将多孔水泥板用表面清灰,酚醛树脂注入到多孔水泥板中,放置到模具中进行微波发泡,将发泡完成的多孔水泥板从模具中取出,去除表面多余泡沫。该材料采用改性酚醛泡沫塑料与多孔水泥板结合达到保温效果好、强度高的性能。
Description
技术领域
本发明涉及一种泡沫水泥保温板,尤其涉及一种酚醛泡沫塑料复合水泥保温板及其制备方法。
背景技术
目前,着我国国民经济的快速增长能源短缺问题日益严重。节能工作已成为可持续发展的重要保证,其中建筑保温节能的重要性越发突出,各国工业化进程的不断加快,能源消耗量越来越高,世界能源需求量以每年2%的比率增长,而这些能源大约有30%消耗在建筑物上。在我国建筑能耗连同围护结构材料生产能耗已占到全国能源消耗总量的27.6%,并将随着人民生活水平的提高逐步增加到33%,因此墙体节能在建筑节能中占重要地位。
现阶段建筑墙体保温主要泡沫水泥板和保温板,两者均存在不足之处,泡沫水泥板具有较高的强度,但是塑料泡沫为填充导致整体保温效果不佳,而聚苯乙烯泡沫板、岩棉、玻璃棉、硬质聚氨酯泡沫塑料板、聚苯仿石装饰保温板等具有良好的保温效果,但是材料自生的强度较低。酚醛泡沫被誉为保温之王,酚醛泡沫作为建筑节能保温材料,具有导热系数低、保温隔热效果好、不燃防火、防水透气、粘结性良好、刚性大、抗剥离强度高,耐候性及化学稳定性好,无毒、无味、无害,无刺激性等优点使用酚醛泡沫作为建筑外墙保温材料,可以实现安全与节能双保险,将酚醛泡沫与多孔水泥结合可以得到一种强度高、保温效果好的酚醛树脂泡沫水泥保温板。
申请号为CN201110279042.X的中国发明专利公开了本发明公开一种海泡石改性泡沫水泥保温板材料,包括如下组分及重量百分比含量:胶凝材料70~80%、粉煤灰10~20%、海泡石5~10%、可再分散乳胶粉0.5~1.5%、减水剂0.2~0.4%、PP纤维0.1~0.2%、憎水剂0.15~0.2%、复合发泡剂0.45~0.6%。所述的复合发泡剂通过机械设备制得泡沫,所述泡沫体积300L~450L。与现有技术相比,本发明的海泡石改性泡沫水泥保温板具有良好的抗压强度、耐水性能、保温性能及耐候效果。
申请号为申请号CN201120555808.8的中国实用新型公开了一种新型阻燃泡沫材料墙体保温板,包括两层泡沫水泥板层和一层聚氨酯层,所述聚氨酯层设置在两层泡沫水泥板层之间,在泡沫水泥板层的表面涂有抗裂砂浆和耐碱网格布层,所述泡沫水泥板层与聚氨酯层紧密灌注在一起。本实用新型能能较好的解决保温效果和防火性能的矛盾,隔音性能好,密度较低并且施工方便
申请号CN201310273874.X的中国发明专利公开了一种一种聚氨酯保温板,包括聚氨酯泡沫板,所述聚氨酯泡沫板上部连接有铝板,所述聚氨酯泡沫板下部连接有铝箔板。本发明结构新颖、方便实用,聚氨酯保温板集铝板的高强、防火、耐腐蚀的特性和聚氨酯的高效保温隔热功能于一身,具有自重轻、防雨、防撞击、保温隔热、外形美观、装饰性强、使用寿命长等特点。
上述专利中所采用的泡沫水泥以及聚氨酯保温材料制备墙体保温板,没有有效解决目前保温板强度与保温效果不能兼顾的问题,相比于酚醛树脂泡沫塑料水泥保温板,上述专利所采用技术手段制备的保温板保温效果好,但强度低或是强度高保温效果较低,难以满足需求。因此,有必要发明一种强度高、保温效果好的新型保温板。
发明内容
本发明旨在克服现有技术的不足,提供一种强度高、保温效果好的泡沫塑料复合水泥保温板。
为实现本发明目的采用的技术方案是:一种泡沫塑料复合水泥保温板,其特征在于所述保温板以孔隙率为40~80%的多孔水泥板为基体,泡沫塑料充分镶嵌式填充于多孔水泥板内部孔隙中;所述多孔水泥板的平均孔径为1~3mm,开孔率大于90%,密度为100kg/m3~300kg/m3;所述泡沫塑料为尿素三聚氰胺改性酚醛泡沫塑料;所述多孔水泥板与泡沫塑料的体积比为1~4:1;所述的泡沫塑料孔径为8~500μm,闭孔率大于85%;该泡沫塑料复合水泥保温板制备方法包括以下制备步骤:
(1)将权利要求1所述的多孔水泥板用表面清灰;
(2)将酚醛树脂注入到多孔水泥板中,放置到模具中进行微波发泡;
(3)用微波法发泡;
(4)将发泡完成的多孔水泥板从模具中取出,去除表面多余泡沫得到泡沫塑料复合水泥保温板。
应用效果:本发明与现有技术相比,具有以下优点:(1)酚醛泡沫塑料具有优异的保温性能与高强度多空水泥板结合,保温效果与强度兼具;(2)改性的酚醛树脂甲醛含量低无刺激性气体,无毒无害,而且具有很好的阻燃效果;(3)采用微波发泡成型工艺简单,制备效率高。
具体实施方式
下面结合具体实施例,进一步阐明本发明,应理解这些实施例仅用于说明本发明而不用于限制本发明的范围,在阅读了本发明之后,本领域技术人员对本发明的各种等价形式的修改均落于本申请所附权利要求所限定。
实施例1
一种泡沫塑料复合水泥保温板,其特征在于所述保温板以孔隙率为80%的多孔水泥板为基体,泡沫塑料充分镶嵌式填充于多孔水泥板内部孔隙中;所述多孔水泥板的平均孔径为3mm,开孔率大于90%,密度为150kg/m3;所述泡沫塑料为尿素三聚氰胺改性酚醛泡沫塑料;所述多孔水泥板与泡沫塑料的体积比为1~4;所述的泡沫塑料孔径为50~500μm,闭孔率大于85%;该泡沫塑料复合水泥保温板制备方法包括以下制备步骤:
(1)将权利要求1所述的多孔水泥板用表面清灰;
(2)将酚醛树脂注入到多孔水泥板中,放置到模具中进行微波发泡;
(3)用微波法发泡;
(4)将发泡完成的多孔水泥板从模具中取出,去除表面多余泡沫得到泡沫塑料复合水泥保温板。
实施例2
一种泡沫塑料复合水泥保温板,其特征在于所述保温板以孔隙率为60%的多孔水泥板为基体,泡沫塑料充分镶嵌式填充于多孔水泥板内部孔隙中;所述多孔水泥板的平均孔径为2.5mm,开孔率大于90%,密度为200kg/m3;所述泡沫塑料为尿素三聚氰胺改性酚醛泡沫塑料;所述多孔水泥板与泡沫塑料的体积比为1~3;所述的泡沫塑料孔径为8~500μm,闭孔率大于85%;该泡沫塑料复合水泥保温板制备方法包括以下制备步骤:
(1)将权利要求1所述的多孔水泥板用表面清灰;
(2)将酚醛树脂注入到多孔水泥板中,放置到模具中进行微波发泡;
(3)用微波法发泡;
(4)将发泡完成的多孔水泥板从模具中取出,去除表面多余泡沫得到泡沫塑料复合水泥保温板。
上述仅为本发明的两个具体实施方式,但本发明的设计构思并不局限于此,凡利用此构思对本发明进行非实质性的改动,均应属于侵犯本发明保护的范围的行为。但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何形式的简单修改、等同变化与改型,仍属于本发明技术方案的保护范围。
Claims (1)
1.一种泡沫塑料复合水泥保温板,其特征在于所述保温板以孔隙率为40~80%的多孔水泥板为基体,泡沫塑料充分镶嵌式填充于多孔水泥板内部孔隙中;所述多孔水泥板的平均孔径为1~3mm,开孔率大于90%,密度为100kg/m3~300kg/m3;所述泡沫塑料为尿素三聚氰胺改性酚醛泡沫塑料;所述多孔水泥板与泡沫塑料的体积比为1~4:1;所述的泡沫塑料孔径为8~500μm,闭孔率大于85%;该泡沫塑料复合水泥保温板制备方法包括以下制备步骤:
(1)将权利要求1所述的多孔水泥板用表面清灰;
(2)将酚醛树脂注入到多孔水泥板中,放置到模具中进行微波发泡;
(3)用微波法发泡;
(4)将发泡完成的多孔水泥板从模具中取出,去除表面多余泡沫得到泡沫塑料复合水泥保温板。
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CN202152507U (zh) * | 2011-06-10 | 2012-02-29 | 龙江县华光新型墙材研究所 | 防火保温墙板 |
CN203097096U (zh) * | 2013-05-24 | 2013-07-31 | 苏州千瑞机电科技有限公司 | 新型建筑墙板及建筑墙体结构 |
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Patent Citations (5)
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US3982367A (en) * | 1974-11-04 | 1976-09-28 | Olov Jonsson | Edge reinforcement for sandwich-type building panel |
CN2730928Y (zh) * | 2004-09-29 | 2005-10-05 | 天津市莱茵环保新技术开发有限公司 | 轻质高效水泥吸隔声板 |
CN102303433A (zh) * | 2011-05-26 | 2012-01-04 | 赵振儒 | 多层复合阻燃防火保温板的生产方法及产品 |
CN202152507U (zh) * | 2011-06-10 | 2012-02-29 | 龙江县华光新型墙材研究所 | 防火保温墙板 |
CN203097096U (zh) * | 2013-05-24 | 2013-07-31 | 苏州千瑞机电科技有限公司 | 新型建筑墙板及建筑墙体结构 |
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