CN110016976A - 一种高抗拉强度复合岩棉板及以其为保温层的保温装饰板和增强防水功能防护剂 - Google Patents
一种高抗拉强度复合岩棉板及以其为保温层的保温装饰板和增强防水功能防护剂 Download PDFInfo
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Abstract
本发明属于建筑节能保温系统领域,具体涉及一种三维高抗拉强度复合岩棉板及其保温装饰板。高抗拉强度复合岩棉板,包括岩棉板,所述岩棉板的至少一侧依次设置有耐碱网层和渗透胶粘剂层;或者所述岩棉板的至少一侧依次设置有渗透胶粘剂层、耐碱网层和渗透胶粘剂层;所述岩棉板、耐碱网层和渗透胶粘剂层通过缝合线形成三维立体网状增强结构层;所述三维立体网状增强结构层外设置有增强防护剂层。保温装饰板,包括保温层和装饰层;其中:以所述高抗拉强度复合岩棉板为保温层,以厚度为5‑7mm的薄型陶瓷板或厚度不超过8mm的薄型石材或硅酸钙板或水泥压力板或聚合物砂浆为装饰层。本发明高抗拉强度复合岩棉板结构牢固、安全可靠,性能稳定。
Description
技术领域
本发明属于建筑节能保温系统领域,具体涉及一种增强复合岩棉板及以其为保温层的保温装饰板和增强防水功能防护剂。
背景技术
目前,国内高层建筑的结构墙体一般采用岩棉、玻璃棉、聚苯乙烯泡沫板、挤塑板(XPS)、聚氨酯发泡板等有机或无机材料作为隔热保温材料,而聚苯板(EPX)等有机材料虽隔热保温效果优异,但生产过程产生化学污染或应用外墙一旦发生火灾燃烧时产生有毒物质,环保性能差。虽无机材料具有防火性能,但保温性能较差,施工工艺繁琐,由于没有较好的保温和防火兼具的材料使用,致使火灾频发;而全球公认的集隔热保温又点不着的玄武岩纤维岩棉板由于材质疏松、离析分层、强度低、多孔吸水分解等固有弊端,上墙后存在结构不牢固、性能不稳定、使用寿命短的问题。
发明内容
本发明的第一技术目的是提供一种结构牢固、性能稳定的高抗拉强度复合岩棉板。
本发明的第一技术目的是通过以下技术方案得以实现的:
一种高抗拉强度复合岩棉板,包括岩棉板,所述岩棉板的至少一侧依次设置有耐碱网层和渗透胶粘剂层;
或者所述岩棉板的至少一侧依次设置有渗透胶粘剂层和耐碱网层;
所述岩棉板、耐碱网层和渗透胶粘剂层通过缝合线形成三维立体网状增强结构层;所述三维立体网状增强结构层外设置有增强、防水功能防护剂层。
本发明制备的复合岩棉板抗拉强度达到0.1MPa以上。在本发明所述岩棉板的至少一侧依次设置耐碱网层和渗透粘结剂层,优选在岩棉板的上下两侧分别依次设置耐碱网层和渗透粘结剂层。或者在本发明所述岩棉板的至少一侧依次设置渗透胶粘剂层和耐碱网层,优选在岩棉板的上下两侧分别依次设置渗透胶粘剂层和耐碱网层。
这里两种做法,一是在岩棉板表面先涂覆渗透粘结剂(可以是聚氨酯、丙烯酸、环氧、酚醛等水性或油性,单组份或双组份类),把岩棉表面的纤维粉尘封闭固结,另一种做法是覆耐碱网格布再缝合再涂覆渗透粘结剂(可以是聚氨酯、丙烯酸、环氧、酚醛等水性或油性,单组份或双组份类),把岩棉板、耐碱网格布、缝合线粘接为整体。
本发明所述胶粘剂层通过所述耐碱网层和缝合线孔眼渗入所述岩棉板,把岩棉板、耐碱网布、缝合线三种材料粘结固结成整体的三维立体网状增强结构层;然后再在结构层上涂覆增强、防水功能防护剂层,整体提高了岩棉复合板的表面强度、抗拉强度和减少岩棉纤维粉尘污染;而且可以消除现有岩棉质地疏松、岩棉表面凹凸不平且强度低无法与耐碱网格布贴合不严导致的起壳空鼓、分层、脆裂引发的开裂、渗漏、脱落事故,造成隔热保温功能丧失、岩棉外保温系统短命、能效无法达标的问题。
作为优选,耐碱网层为玄武岩纤维网格布层或者玻璃纤维网格布层。
作为优选,增强防水功能防护剂层配方包括粉料、液料和水,重量比分别为100:
(15-25):(20-30);其中粉料包括38-48MPa普硅水泥、300-450目重钙、100-300目石英粉和
纤维素醚,重量占比分别为(17.5-25):(10-15):(60-72.5):(0.2-0.3);液料包括SH603聚
合物乳液和NXZ消泡剂,重量比分别为100:0.1-0.4。
本发明的增强防水功能防护剂层,能够有效提高三维立体网状增强结构层表面的强度;同时由于其较好的韧度和高粘接强度不仅增强了表面强度、提高了岩棉复合板的抗拉强度,同时对三维立体网状复合板提供防水抗渗的二次防护。彻底消除现有裸露岩棉强度低、多孔吸水、潮气迁移进入岩棉板、后道材料不好附着引发的离析分层剥落、岩棉与后道防护层收缩不同步的开裂、渗漏、脱落、节能效果差、纤维粉尘对环境污染和施工工人吸入危害和皮肤瘙痒等问题;同时本发明的增强防水功能防护剂的高韧度适应形变使多孔疏松、吸湿分解形变大的岩棉板与刚性饰面板之间不因产生聚应力发生分离。
本发明的第二技术目的是提供一种结构牢固、符合国家和行业强制要求、性能稳定的保温装饰板。
本发明的第二技术目的是通过以下技术方案得以实现的:
一种保温装饰板,其包括保温层和装饰层;其中:以所述高抗拉强度复合岩棉板为保温层,以厚度为5-7mm的薄型陶瓷板或厚度不超过8mm的薄型石材为装饰层。
采用本发明特定的高抗拉强度复合岩棉板为保温层制备的保温装饰板不仅满足国家规范,而且各方面性能尤其是拉伸粘结强度得到较大改进,相比于现有产品而言,完全符合强制规范要求、结构更牢固、性能更稳定、寿命较传统岩棉外保温提高5倍以上。
作为优选,所述保温层和所述装饰层通过定制化、预制化工艺复合形成。
实际应用时,在保温装饰板的保温层和装饰层侧面安装膨胀螺栓和铝合金挂件。
作为优选,所述保温层和所述装饰层根据建筑立面二次精细设计效果要求的板块尺寸大小、颜色、纹理、质量寿命、包括保温强度等级及节能指标要求,工厂内对裸露岩棉板缝合、包覆、增强加工,其中一个面的增强防水功能防护剂未干时放置定制饰面板,或者再使用粘接剂粘接饰面板二次复合;然后进入压机复合成所需规格的一体化板,完全按照客户需求标准化、定制化生产。
作为优选,所述保温层和所述装饰面板层侧边开槽或洗边,安装时使卡件卡住饰面板边槽防止一体化板前后和上下松动避免脱落。
本发明的第三技术目的是提供一种高韧性、对岩棉提供二次防水保护、不易开裂的、能够提高岩棉复合板性能的制备方法。
一种高抗拉强度复合岩棉板的制备方法,其特征在于包括以下步骤:
1) 在岩棉板的至少一侧铺设耐碱玻纤网格布,形成耐碱玻纤网格布层,通过缝合线竖向缝合,把岩棉板及上下面的玻纤网格布缝制为一体,玻纤网格布和岩棉由缝线连接,不会产生分层;
2)涂覆渗透粘结剂,所述渗透粘结剂包括水性或油性,单组份或双组份类的聚氨酯、丙烯酸、环氧或酚醛及其组合物,渗透粘结剂透过网格布网眼渗透至岩棉表层孔隙、和缝线及针眼孔隙,固结后使网格布、岩棉板、缝线形成完整一体的三维立体网状增强结构层;
3)在所述三维立体网状增强结构层外涂覆增强防水功能防护剂形成增强防护剂层。
作为优选,岩棉通过传送带至缝纫生产线,岩棉板上下面或单面铺放玻纤网格布,输送至缝纫部位缝合后,输送至自动涂覆或刮涂的渗透粘接剂、再涂覆增强、防水功能防护剂生产线,涂覆完成后进入烘道烘干后,直接上打包机打包出货。
一种高抗拉强度复合岩棉板的制备方法,其特征在于:包括以下步骤:
A 在岩棉板的至少一侧涂覆渗透粘合剂渗透胶粘剂层;
B然后在渗透胶粘剂层上铺设耐碱网格布,形成耐碱网层,通过缝合线竖向缝合;渗透胶粘剂层将岩棉板、耐碱网格布、缝合线粘接紧密形成一体的三维立体网状增强结构层;
C所述三维立体网状增强结构层外涂覆增强防水功能防护剂渗透胶粘剂形成增强、防水功能防护剂层。
本发明的第四技术目的是提供一种韧度和刚度高度合一、不易开裂的、能够提高岩棉复合板表面硬度和整体抗拉强度的增强防水功能防护剂。
本发明的第四技术目的是通过以下技术方案得以实现的:
一种增强防水功能防护剂,用于制备高抗拉强度复合岩棉板中的增强、防水功能防护剂层,其特征在于所述增强防水功能防护剂的配方包括按质量份12-18:20-30组成的乳液和粉料。
作为优选,所述乳液包括依次按质量份(2-3):(0.5-1.5):(4-6):(0.2-0.8):(0.2-0.8):(0.5-1.5):(28-32):(120-135):(0.5-1.5)组成的羟丙基甲基纤维素、聚丙烯纤维、木质纤维、湿润剂、润滑剂、防腐剂、VAE乳液、弹性乳液和消泡剂。
作为优选,所述粉料包括依次按质量份(120-140):(90-110):(70-90):(230-270):(55-65)组成的玻化微珠、粉煤灰、石英粉、黑水泥和石英砂。
作为优选,一种增强防水功能防护剂的制备方法包括以下步骤:
(1)、粉料的制备:按质量占比将42.5MPa普硅水泥为17.5~25、325目或400目重钙为10~15、200目石英粉为60~72.5和HK75000纤维素醚为0.2~0.3充分混合均匀,得到粉料;
(2)、液料的制备:按重量比分别为100:0.1-0.4的SH603聚合物乳和NXZ消泡剂充分混合均匀,得到液料;
(3)、按重量比分别为100:15~25:20~30,将粉料、液料和水充分混合均匀。
本发明的增强防水功能防护剂制备工艺简单,这样大大地提高了岩棉板表面的强度,整体提高了岩棉复合板的抗拉强度。而且可以消除现有裸露岩棉板表面纤维粉尘不易粘接附着和防护层与裸露岩棉板收缩不一产生的应力破坏,及防护层柔性差、容易开裂、造成隔热保温效果降低的问题。
综上所述,本发明具有以下有益效果:
1、本发明增强防水功能防护剂不仅对三维立体网状结构表面提高强度补强,同时韧性好不开裂、材质密实水分和湿气不易迁移进岩棉板内,并对岩棉板提供二次防水保护;然后再在结构层上涂覆或涂覆防护剂层,整体提高了岩棉复合板的抗拉强度;而且可以消除现有固结层柔性差、容易开裂、造成隔热保温效果降低的问题;
2、采用本发明特定的高抗拉强度复合岩棉板为保温层制备的保温装饰板不仅满足国家规范,而且各方面性能尤其是拉伸粘结强度得到较大改进,相比于现有产品而言,结构更牢固、性能更稳定;
3、本发明的增强防水功能防护剂制备工艺简单,便于施工现场实地操作,形成的防护剂层不仅对三维立体结构层的表面补强、同时具备二次防水防护作用,这样大大地提高了岩棉板表面的强度和抗拉强度。
附图说明
图1是本发明对比实施例一岩棉复合板结构示意图;
图2是本发明实施例一岩棉复合板结构示意图;
图3是本发明保温装饰板安装后的示意图;
图中,1-岩棉板;2-防护剂层;3-胶粘剂层;4-缝合线;5-耐碱网层。
具体实施方式
增强防水功能防护剂配方1及制备方法:包括粉料、液料和水,其中粉料包括
42.5MPa普硅水泥、325目或400目重钙、200目石英粉和HK75000纤维素醚,重量占比分别为
17.5: 15: 72.5: 0.3,混合均匀,得到粉料;液料包括SH603聚合物乳和NXZ消泡剂,重量比
分别为100:0.1,混合均匀,得到液料。按重量比分别为100:15: 30,将粉料、液料和水充分
混合均匀。
增强防水功能防护剂配方2及制备方法:包括粉料、液料和水;其中粉料包括42.5MPa普硅水泥、325目或400目重钙、200目石英粉和HK75000纤维素醚,重量占比分别为25:10:60:0.2,混合均匀,得到粉料;液料包括SH603聚合物乳和NXZ消泡剂,重量比分别为100: 0.4,混合均匀,得到液料。按重量比分别为100: 25:20,将粉料、液料和水充分混合均匀。
增强防水功能防护剂配方3及制备方法:包括粉料、液料和水;其中粉料包括42.5MPa普硅水泥、325目或400目重钙、200目石英粉和HK75000纤维素醚,重量占比分别为20:12:65:0.25,混合均匀,得到粉料;液料包括SH603聚合物乳和NXZ消泡剂,重量比分别为100:0.3,混合均匀,得到液料。按重量比分别为100:20:25,将粉料、液料和水充分混合均匀。
增强防水功能防护剂配方4
实施例一
如图2所示,高抗拉强度复合岩棉板,包括岩棉板1,岩棉板1的至少一侧依次设置有耐碱网层5和渗透胶粘剂层3,岩棉板1、耐碱网层5和胶粘剂层3通过缝合线4形成三维立体网状增强结构层,三维立体网状增强结构层外设置有增强、防水功能防护胶粘防护剂层2。防护剂层为砂浆层。耐碱网层为玄武岩纤维网格布层。胶粘剂层3通过胶粘剂层配方1制成。
如图3所示,保温装饰板,其包括保温层和装饰层;其中:以高抗拉强度复合岩棉板为保温层,以厚度为5-7mm的薄型陶瓷板或厚度不超过8mm的薄型石材为装饰层。
保温层和装饰层通过预制化工艺复合形成。保温层和装饰层侧面设置有膨胀螺栓和铝合金挂件。
实施例二
如图2所示,高抗拉强度复合岩棉板,包括岩棉板1,岩棉板1的至少一侧依次设置有耐碱网层5和胶粘剂层3,岩棉板1、耐碱网层5和胶粘剂层3通过缝合线4形成三维立体网状增强结构层,三维立体网状增强结构层外设置有防护剂层2。防护剂层为乳液层。耐碱网层为玻纤维网格布层。胶粘剂层3通过胶粘剂层配方2制成。
实施例三
如图2所示,高抗拉强度复合岩棉板,包括岩棉板1,岩棉板1的至少一侧依次设置有耐碱网层5和胶粘剂层3,岩棉板1、耐碱网层5和胶粘剂层3通过缝合线4形成三维立体网状增强结构层,三维立体网状增强结构层外设置有防护剂层2。防护剂层为粉料层。耐碱网层为玻纤维网格布层。胶粘剂层3通过胶粘剂层配方3制成。
实施例四
如图2所示,高抗拉强度复合岩棉板,包括岩棉板1,岩棉板1的至少一侧依次设置有耐碱网层5和胶粘剂层3,岩棉板1、耐碱网层5和胶粘剂层3通过缝合线4形成三维立体网状增强结构层,三维立体网状增强结构层外设置有增强防护剂层2。增强防护剂层为粉料层。耐碱网层为玻纤维网格布层。胶粘剂层3通过胶粘剂层配方4制成。
对比实施例一
如图1所示,岩棉板1 的两面均依次对称涂敷有耐碱网层5和砂浆层2,岩棉板1、耐碱网层5、砂浆层2之间通过缝合线4穿透紧固,砂浆层2与耐碱网层5非接触的一面上还涂有渗透胶粘剂,渗透胶粘剂通过砂浆层2及缝合线4穿透孔渗入至耐碱网层5及岩棉板1。其余同实施例一。
相比于对比实施例一,本发明实施例改进了粘结剂层的位置,使本发明的高抗拉强度复合岩棉板结构更牢固,性能更稳定。原因在于砂浆具有多孔材料性能,若将渗透胶粘剂涂在砂浆层外部,即先在岩棉板外涂敷耐碱网层5和砂浆层2,缝合后在砂浆层外涂敷渗透胶粘剂,砂浆层会吸收渗透胶粘剂,使渗透胶粘剂难以到达耐碱网层5或岩棉层1。这种结构岩棉复合板,界面渗透剂3无法渗透过水泥砂浆层2、网格布4至岩棉板1,即使通过缝合线5孔局部渗透至岩棉板1,但与砂浆层2接触的岩棉板1部位,与网格布4接触的岩棉板1部位,界面渗透剂3无法使它们之间完全紧密结构而形成脱离,大大地降低了上述岩棉复合板的抗拉强度。
按现有行业标准<保温装饰外墙保温系统材料>JG/T287规定的试验方法进行检验,对岩棉复合板的性能指标测试汇总如下表:
表1 岩棉复合板性能指标
高抗拉强度复合岩棉板与普通岩棉板
关键技术指标比较
其中,TR表示抗拉强度水平;SP表示超性能。
表2 岩棉产品对比表
表3保温装饰板行业强制性能指标
上表为行业标准要求系统抗拉强度达到0.1MPa以上的指标,但由于岩棉板固有属性胎病,抗拉强度0.015MPa,也就是说目前市场的保温装饰板只要使用岩棉保温的都达不到上表拉伸强度强制要求
表4 岩棉复合板性能指标对比
表5保温装饰板性能指标对比
从表中可以看出:
本发明特定结构的岩棉复合板不仅满足国家规范,而且各方面性能尤其是垂直于表面抗拉强度和潮湿状态下抗拉强度保留率性能、憎水率和导热系数得到较大改进,相比于对比实施例的产品而言,结构更牢固、性能更稳定。
本发明特定结构的保温装饰板不仅满足国家规范,而且各方面性能尤其是拉伸粘结强度得到较大改进,相比于对比实施例的产品而言,结构更牢固、性能更稳定。
本具体实施例仅仅是对本发明的解释,其并不是对本发明的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本发明的权利要求范围内都受到专利法的保护。
Claims (10)
1.一种高抗拉强度复合岩棉板,包括岩棉板,其特征在于:所述岩棉板的至少一侧依次设置有耐碱网格布形成的耐碱网层和渗透胶粘剂层;
或者所述岩棉板的至少一侧依次设置有渗透胶粘剂层和耐碱网层;
所述岩棉板、耐碱网层通过缝合线缝合,渗透胶粘剂层将岩棉板、耐碱网格布、缝合线粘接紧密形成一体的三维立体网状增强结构层;
所述三维立体网状增强结构层外设置有增强防水功能防护剂层。
2.根据权利要求1所述的一种高抗拉强度复合岩棉板,其特征在于:耐碱网格布层为玄武岩纤维网格布层或者玻璃纤维网格布层或碳纤维网格布。
3.一种保温装饰板,包括权利要求1-2任一项所述的一种高抗拉强度复合岩棉板,其特征在于:包括保温层和装饰层;其中:以所述高抗拉强度复合岩棉板为保温层,以厚度为5-7mm的薄型陶瓷板或厚度不超过8mm的薄型石材或无纤维硅酸钙板或水泥压力板或聚合物砂浆为饰面层。
4.根据权利要求3所述的一种保温装饰板,其特征在于:所述保温层和所述装饰层根据建筑立面二次精细设计效果要求的板块尺寸大小、颜色、纹理、质量寿命、包括保温强度等级及节能指标要求,工厂内对裸露岩棉板缝合、包覆、增强加工,其中一个面的增强防水功能防护剂未干时放置定制饰面板,进入压机复合成所需规格的一体化板,完全按照客户需求标准化、定制化生产。
5.根据权利要求4所述的一种保温装饰板,其特征在于:所述保温层和所述装饰面板层侧边开槽或洗边,安装时使卡件卡住饰面板边槽防止一体化板前后和上下松动避免脱落。
6.一种高抗拉强度复合岩棉板的制备方法,其特征在于包括以下步骤:
1) 在岩棉板的至少一侧铺设耐碱玻纤网格布,形成耐碱玻纤网格布层,通过缝合线竖向缝合,把岩棉板及上下面的玻纤网格布缝制为一体,玻纤网格布和岩棉板由缝线连接,不会产生分层;
2)涂覆渗透粘结剂,所述渗透粘结剂包括水性或油性,单组份或双组份类的聚氨酯、丙烯酸、环氧或酚醛及其组合物,渗透粘结剂透过网格布网眼渗透至岩棉表层孔隙、和缝线及针眼孔隙,固结后使网格布、岩棉板、缝线形成完整一体的三维立体网状增强结构层;
3)在所述三维立体网状增强结构层外涂覆增强防水功能防护剂形成增强防护剂层。
7.一种高抗拉强度复合岩棉板的制备方法,其特征在于:包括以下步骤: A 在岩棉板的至少一侧涂覆渗透胶粘剂形成渗透胶粘剂层;
B然后在渗透胶粘剂层上铺设耐碱网格布,形成耐碱网层,通过缝合线竖向缝合;渗透胶粘剂层将岩棉板、耐碱网格布、缝合线粘接紧密形成一体的三维立体网状增强结构层;
C所述三维立体网状增强结构层外涂覆增强防水功能防护剂形成增强防水功能防护剂层。
8.一种增强防水功能防护剂层,用于制备权利要求1-7任一项所述的一种高抗拉强度复合岩棉板中的增强、防水功能防护剂层,其特征在于所述增强、防水功能防护剂层的配方包括按质量份12-18:20-30组成的乳液和粉料。
9.根据权利要求8所述的一种增强防水功能防护剂层,其特征在于:所述乳液包括依次按质量份(2-3):(0.5-1.5):(4-6):(0.2-0.8):(0.2-0.8):(0.5-1.5):(28-32):(120-135):(0.5-1.5)组成的羟丙基甲基纤维素、聚丙烯纤维、木质纤维、湿润剂、润滑剂、防腐剂、VAE乳液、弹性乳液和消泡剂。
10.根据权利要求8所述的一种增强防水功能防护剂层,其特征在于:所述粉料包括依次按质量份(120-140):(90-110):(70-90):(230-270):(55-65)组成的玻化微珠、中空玻璃微珠、粉煤灰、石英粉、黑水泥和石英砂。
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