CN106703231A - 一种防水隔热板材 - Google Patents
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Abstract
本发明公开了一种防水隔热板材,属于防水板材技术领域。所述隔热板由下到上依次为第一防水层、隔热层、第二防水层、反射层,所述隔热层包括隔热填料和多孔隔热板,所述隔热填料填充在多孔隔热板的孔中,所述第二防水层与所述反射层之间通过胶粘剂连接,所述第一防水层另一表面还设有PE保护层。本发明所述防水隔热板材不仅具有较好的防水效果,还具有优异的隔热防冻效果,能够大大减少建筑内外的温度交换,降低能源消耗,符合环境友好型发展的要求,具有较好的应用前景。
Description
技术领域
本发明涉及防水板材技术领域,具体涉及一种防水隔热板材。
背景技术
目前,用于建筑领域的隔热材料种类繁多,但习惯上采用水泥板作为表层来进行隔热,但这种材料,隔热效果不佳,有效寿命短,且屋面静负载大。隔热板的质量差,受高温和雨水长期浸泡后受损严重,无法来长期的使用,这大大影响了施用的质量,造成安全隐患。
长期以来,建筑房屋平屋顶所用的防水材料、防水卷材和防水涂料,这些防水材料致命的确定就是防水寿命短,仅几年就发生渗漏现象,一个建筑物的寿命几十年至一百余年,光防水的小修加大修重新做就得几十次,给人们的生产生活造成麻烦,给国民经济的发展造成严重影响,据建设部有关部门的调查,每年全国各地仅部分房屋防水维修所用的费用就高达几十个亿,而且这些防水材料的用途单一,不能满足人们对防水材料多方位性能的要求。
随着科技的不断发展,人们对建筑材料的性能要求不断增加,而且对资源节约,环保意识不但增强,建筑物的环保节能是必然选择。而目前的防水材料无法有效地提高建筑物的内外隔热效果,节约更好资源。
我国建筑大多沿用传统的红砖或混凝土砖砌成隔热层,由于红砖和混凝土砖的吸热和传导性强,隔热效果不是很理想。红砖隔热层不仅增加房顶负荷,而且造价也较高。也有将发泡板作为保温层,在其上或其下铺设防水卷材的做法,但是由于防水卷材受阳光照射易发生老化现象,使用寿命短;发泡板位于防水卷材上则容易吸水膨胀,失去保温作用。
因此,研究开发一种既具有较好的防水效果,又具有较好的隔热防冻效果的防水板材成为目前研究的重点,也具有较好的应用前景及使用价值。
发明内容
针对现有技术中的缺陷,本发明的目的是提供一种防水隔热板材,所述防水隔热板材不仅具有较好的防水效果,还具有优异的隔热防冻效果,能够大大减少建筑内外的温度交换,降低能源消耗,符合环境友好型发展的要求,具有较好的应用前景。
本发明解决技术问题采用如下技术方案:
本发明涉及一种防水隔热板材,所述隔热板由下到上依次为第一防水层、隔热层、第二防水层、反射层,所述隔热层包括隔热填料和多孔隔热板,所述隔热填料填充在多孔隔热板的孔中,所述第二防水层与所述反射层之间通过胶粘剂连接,所述第一防水层另一表面还设有PE保护层。
优选地,所述第一防水层为石墨烯改性环氧树脂自粘防水层,在石墨烯的改性作用下,环氧树脂不仅具有较好的自粘性能,还具有优异的防水防腐作用,为防水板材的防水效果提供了保障。
优选地,所述第二防水层为石墨烯-SBS改性沥青防水层,石墨烯独特的层状结构结合SBS优异的力学性能,使得改性后的沥青防水层具有较高的防水防腐及环境稳定性。
优选地,所述反射层包括涂覆层和橡胶层,在橡胶层的保护下使得涂覆层不被损坏,能够长效起到温度、光线的反射作用,将涂覆层涂覆在橡胶层上,使得涂覆层均匀分布,且应用更加方便。
优选地,所述涂覆层为添加银或钛的聚氨酯涂层,能够更好的对温度和光线产生反射。
优选地,所述橡胶层为PET透明胶层,为反射层其反射作用提供了条件。
优选地,所述隔热填料为微孔碳酸钙纳米材料、硅酸钙纳米孔材料、竹炭纤维、离心玻璃棉中的任一种,隔热填料与隔热板材的结合,大大提高了防水板材的隔热效果及隔热的长效性。
优选地,所述多孔隔热板为EVA发泡板或者酚醛树脂发泡板,两种发泡板均具有质轻、防火、隔热的特点,不仅减轻了防水板材的整体重量,也为防水板材的隔热提供了第一保障。
优选地,所述多孔隔热板的孔径为5~10mm。
优选地,所述胶粘剂为石墨烯改性EVA泡沫胶水,石墨烯的改性作用不仅加强了EVA泡沫胶水的粘结性能,还使得胶粘剂具有较好的防水侵蚀作用。
与现有技术相比,本发明具有如下的有益效果:
(1)本发明所述的防水隔热板材,采用石墨烯改性环氧树脂自粘防水层作为第一防水层,由于石墨烯具有片层共轭结构,层层叠加形成致密的隔绝层,形成致密的物理隔绝层,使得改性后的环氧树脂不仅具有较好的自粘性能,还具有优异的防水防腐作用,为防水板材的防水效果提供了第一保障;此外,第一防水层的自粘作用可以与建筑物直接粘结方便施工。
(2)本发明采用石墨烯-SBS改性沥青防水层作为第二防水层,石墨烯独特的片层状结构结合SBS优异的力学性能,使得改性后的沥青防水层具有较高的防水防腐及环境稳定性,应用在防水板材中,为防水板材的防水效果提供了第二保障。
(3)本发明还采用EVA发泡板或者酚醛树脂发泡板结合纳米微孔材料作为隔热层,双重隔热效果,使得防水板材具有优异的防冻、隔热效果,再加上EVA泡沫层具有质轻的特点,大大减轻了防水卷材的重量,为搬运提供了方便。
(4)胶粘剂层采用石墨烯改性EVA泡沫胶水,由于石墨烯的独特结构,使得改性的EVA泡沫胶水不仅具有较强的粘结牢固性,增强保护膜各层之间的粘结牢固性,避免了因粘结不牢导致的翘起、脱胶现象,为防水板材的长效使用提供保障。此外,由于石墨烯的存在,还使得粘结层具有较好的防水侵蚀的作用,为防水板材的防水效果提供保障。
(5)综上所述,本发明所述的防水板材采用双重防水、多重隔热结构,使得防水板材具有优异的隔热防冻及防水效果,符合目前市场需求,具有较好的应用前景。
附图说明
通过阅读参照以下附图对非限制性实施例所作的详细描述,本发明的其它特征、目的和优点将会变得更明显:
图1为本发明所述防水隔热板材的结构示意图;
图中标记为:1、第一防水层,2、隔热层,21、隔热填料,22、多孔隔热板,3、第二防水层,4、反射层,41、涂覆层,42、橡胶层,5、胶粘剂,6、PE保护层。
具体实施方式
下面结合具体实施例,进一步阐述本发明。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。在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“设有”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
实施例1:
如图1所示,本发明优选实施例的一种防水隔热板材,所述隔热板由下到上依次为第一防水层1、隔热层2、第二防水层3、反射层4,所述隔热层2包括隔热填料21和多孔隔热板22,所述隔热填料21填充在多孔隔热板22的孔中,所述第二防水层3与所述反射层4之间通过胶粘剂5连接,所述第一防水层1另一表面还设有PE保护层6。
所述第一防水层1为石墨烯改性环氧树脂自粘防水层,在石墨烯的改性作用下,环氧树脂不仅具有较好的自粘性能,还具有优异的防水防腐作用,为防水卷材的防水效果提供了保障。所述第二防水层3为石墨烯-SBS改性沥青防水层,石墨烯独特的层状结构结合SBS优异的力学性能,使得改性后的沥青防水层具有较高的防水防腐及环境稳定性。
所述反射层4包括涂覆层41和橡胶层42,在橡胶层的保护下使得涂覆层41不被损坏,能够长效起到温度、光线的反射作用,将涂覆层41涂覆在橡胶层42上,使得涂覆层均匀分布,且应用更加方便。所述涂覆层41为添加银的聚氨酯涂层,能够更好的对温度和光线产生反射;所述橡胶层42为PET透明胶层,为反射层其反射作用提供了条件。
所述隔热填料21为微孔碳酸钙纳米材料,隔热填料21与隔热板材22的结合,大大提高了防水板材的隔热效果及隔热的长效性;所述多孔隔热板22为EVA发泡板,两种发泡板均具有质轻、防火、隔热的特点,不仅减轻了防水板材的整体重量,也为防水板材的隔热提供了第一保障,其中,多孔隔热板的孔径为5 mm。
所述胶粘剂5为石墨烯改性EVA泡沫胶水,石墨烯的改性作用不仅加强了EVA泡沫胶水的粘结性能,还使得胶粘剂具有较好的防水侵蚀作用。
实施例2:
本发明优选实施例的一种防水隔热板材,所述隔热板由下到上依次为第一防水层、隔热层、第二防水层、反射层,所述隔热层包括隔热填料和多孔隔热板,所述隔热填料填充在多孔隔热板的孔中,所述第二防水层与所述反射层之间通过胶粘剂连接,所述第一防水层另一表面还设有PE保护层。
所述第一防水层为石墨烯改性环氧树脂自粘防水层,在石墨烯的改性作用下,环氧树脂不仅具有较好的自粘性能,还具有优异的防水防腐作用,为防水卷材的防水效果提供了保障。所述第二防水层为石墨烯-SBS改性沥青防水层,石墨烯独特的层状结构结合SBS优异的力学性能,使得改性后的沥青防水层具有较高的防水防腐及环境稳定性。
所述反射层包括涂覆层和橡胶层,在橡胶层的保护下使得涂覆层不被损坏,能够长效起到温度、光线的反射作用,将涂覆层涂覆在橡胶层上,使得涂覆层均匀分布,且应用更加方便。所述涂覆层为添加银或钛的聚氨酯涂层,能够更好的对温度和光线产生反射;所述橡胶层为PET透明胶层,为反射层其反射作用提供了条件。
所述隔热填料为硅酸钙纳米孔材料,隔热填料与隔热板材的结合,大大提高了防水板材的隔热效果及隔热的长效性;所述多孔隔热板为EVA发泡板,两种发泡板均具有质轻、防火、隔热的特点,不仅减轻了防水板材的整体重量,也为防水板材的隔热提供了第一保障,其中,多孔隔热板的孔径为8 mm。
所述胶粘剂为石墨烯改性EVA泡沫胶水,石墨烯的改性作用不仅加强了EVA泡沫胶水的粘结性能,还使得胶粘剂具有较好的防水侵蚀作用。
实施例3:
本发明所述的防水隔热板材的结构同实施例1,不同的是隔热填料的组成为竹炭纤维,隔热板材为酚醛树脂发泡板,其中隔热板的孔径为10cm。
实施例4:
本发明所述的防水隔热板材的结构同实施例1,不同的是隔热填料的组成为离心玻璃棉,隔热板材为酚醛树脂发泡板,其中隔热板的孔径为10cm。
综上所述,本发明所述防水隔热板材不仅具有较好的防水效果,还具有优异的隔热防冻效果,能够大大减少建筑内外的温度交换,降低能源消耗,符合环境友好型发展的要求,具有较好的应用前景。
以上对本发明的具体实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。
Claims (10)
1.一种防水隔热板材,其特征在于:所述隔热板由下到上依次为第一防水层、隔热层、第二防水层、反射层,所述隔热层包括隔热填料和多孔隔热板,所述隔热填料填充在多孔隔热板的孔中,所述第二防水层与所述反射层之间通过胶粘剂连接,所述第一防水层另一表面还设有PE保护层。
2.根据权利要求1所述的防水隔热板材,其特征在于:所述第一防水层为石墨烯改性环氧树脂自粘防水层。
3.根据权利要求1所述的防水隔热板材,其特征在于:所述第二防水层为石墨烯-SBS改性沥青防水层。
4.根据权利要求1所述的防水隔热板材,其特征在于:所述反射层包括涂覆层和橡胶层。
5.根据权利要求4所述的防水隔热板材,其特征在于:所述涂覆层为添加银或钛的聚氨酯涂层。
6.根据权利要求4所述的防水隔热板材,其特征在于:所述橡胶层为PET透明胶层。
7.根据权利要求1所述的防水隔热板材,其特征在于:所述隔热填料为微孔碳酸钙纳米材料、硅酸钙纳米孔材料、竹炭纤维、离心玻璃棉中的任一种。
8.根据权利要求1所述的防水隔热板材,其特征在于:所述多孔隔热板为EVA发泡板或者酚醛树脂发泡板。
9.根据权利要求8所述的防水隔热板材,其特征在于:所述多孔隔热板的孔径为5~10mm。
10.根据权利要求1所述的防水隔热板材,其特征在于:所述胶粘剂为石墨烯改性EVA泡沫胶水。
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Application publication date: 20170524 |
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