CN112721356A - 一种复合防水砂浆的保温板 - Google Patents

一种复合防水砂浆的保温板 Download PDF

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CN112721356A
CN112721356A CN202011605344.7A CN202011605344A CN112721356A CN 112721356 A CN112721356 A CN 112721356A CN 202011605344 A CN202011605344 A CN 202011605344A CN 112721356 A CN112721356 A CN 112721356A
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李翔
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Xuzhou Hecheng Building Material Technology Co ltd
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    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
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    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • 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
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
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    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
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Abstract

本发明公开一种复合防水砂浆的保温板，其包括保温芯材，所述保温芯材的上端面和下端面涂抹有防水砂浆，所述防水砂浆与保温芯材之间设有网格布，所述防水砂浆为水泥基底渗透结晶砂浆。本发明的砂浆通过活性组分硅酸钠与分散在水泥中的钙离子反应，生成能够填充缝隙的不溶结晶体，结晶体能够填充缝隙，可使得砂浆混凝土具有防水渗透的功能，且本发明的具有自催化特性，当砂浆混凝土产生裂缝，在潮湿条件下或有水渗入时，活性化学物质将会再度激活，催化发生新的水化反应，在缝隙中生成新的结晶体，填塞堵住微细裂缝，具有优良的自修复功能，能够长久的避免因水汽对保温芯材的保温性能的影响。

Description

一种复合防水砂浆的保温板
技术领域
本发明涉及建筑材料技术领域，尤其涉及一种复合防水砂浆的保温板
背景技术
目前，我国外墙保温包括有机保温体系和无机保温体系和有机和无机复合保温材料三类。保温材料中多以保温板的形式进行使用。但现有的无机保温板的防水性均比较差，存有一定的不足。
发明内容
因此，基于以上背景，本发明克服普通无机保温板的不足，提供一种复合砂浆的保温板。
本发明的技术方案为：
一种复合防水砂浆的保温板，其包括保温芯材，所述保温芯材的上端面和下端面涂抹有防水砂浆，所述防水砂浆与保温芯材之间设有网格布，所述防水砂浆为水泥基渗透结晶砂浆，所述防水砂浆由以下重量份组分配制而成：
硅酸盐水泥20-50份、石英砂20-30份、聚丙烯纤维2-10份、有机酸2-10份、硅酸钠5-15份、催化剂2-5份、乳胶粉2-5份。
进一步地，所述保温芯材为无机保温板。
进一步地，所述芯材为岩棉防火保温板。
进一步地，所述乳胶粉为水溶性可再分散乳胶粉。
进一步地，所述乳胶粉为VAE胶粉。
进一步地，所述乳胶粉为水溶性乳胶粉。
进一步地，所述聚丙烯长度为2-5mm。
进一步地，所述有机酸为富马酸、柠檬酸、苯甲酸的至少一种。
而硅酸盐水泥为防水砂浆的基体材料，具有一定的粘接性，石英砂为骨料，而其中硅酸钠等活性物质能够以水为载体，均匀分散在砂浆中，并且能够与其中的钙离子反应，生成不溶性结晶物。其中乳胶粉在溶于水后，可渗透至多孔的保温芯材中，当水分蒸发后，则可重新形成弹性体，可使得砂浆与保温芯材连接在一起，形成一个整体，增强其结合力，且能够提高砂浆的抗压强度、拉伸粘结强度等，而聚丙烯纤维可以起到物理性加筋作用，进一步缓解内应力，可达到抗裂补强的作用，可有效的提高砂浆的韧性，提高砂浆的抗裂变形和耐磨能力。而且本发明中的硅酸钠与溶解的有机酸发生反应，生成交联网状的硅胶弹性体，而当保温板上粘结有机饰板时，通过硅胶弹性体能够增强砂浆与有机饰板的界面结合力，增加牢固性。
采用上述技术方案，具有的有益效果如下：
本发明的砂浆通过活性组分硅酸钠与分散在水泥中的钙离子反应，生成能够填充缝隙的不溶结晶体，结晶体能够填充缝隙，可使得砂浆或混凝土具有防水渗透的功能，且本发明的具有自催化特性，当砂浆或混凝土产生裂缝，在潮湿条件下或有水渗入时，活性化学物质将会再度激活，催化发生新的水化反应，在缝隙中生成新的结晶体，填塞堵住微细裂缝，具有优良的自修复功能，能够长久的避免因砂浆或混凝土开裂所造成的气态水和液态水对保温芯材产生冻融带来的保温性能的影响。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例，对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。下述实施例中所用未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。
实施例1：一种复合防水砂浆的保温板，其包括保温芯材，所述保温芯材的上端面和下端面涂抹有防水砂浆，所述防水砂浆与保温芯材之间设有网格布，所述防水砂浆为水泥基底渗透结晶砂浆，所述防水砂浆由以下重量份组分配制而成：
硅酸盐水泥20-50份、石英砂20-30份、聚丙烯纤维2-10份、有机酸2-10份、硅酸钠5-15份、催化剂2-5份、乳胶粉2-5份。
所述保温芯材为岩棉防火保温板。
所述乳胶粉为VAE胶粉
所述聚丙烯长度为2-5mm。
所述有机酸为富马酸。
所述网格布为玻璃纤维网。
本发明的砂浆具有多次抗渗透和自我修复的功能，且具有良好的抗压与抗折弯性，力学性能优异，其中抗压强度可达3.0Mpa，吸水率较普通砂浆下降70％，抗折和抗压强度分别提高18％和24％。
以上对本发明及其实施方式进行了描述，这种描述没有限制性，上述实施例中所示的也只是本发明的实施方式之一，实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示，在不脱离本发明创造宗旨的情况下，不经创造性的设计出与该技术方案相似的结构方式及实施例，均应属于本发明的保护范围。

Claims (6)

1.一种复合防水砂浆的保温板，其特征在于，其包括保温芯材，所述保温芯材的上端面和下端面涂抹有防水砂浆，所述防水砂浆与保温芯材之间设有网格布，所述防水砂浆为水泥基底渗透结晶砂浆，所述防水砂浆由以下重量份组分配制而成：
硅酸盐水泥20-50份、石英砂20-30份、聚丙烯纤维2-10份、氯化钙2-5份、有机酸2-10份、硅酸钠5-15份、催化剂2-5份、乳胶粉2-5份。
2.根据权利要求1所述的一种复合防水砂浆的保温板，其特征在于，所述保温芯材为岩棉防火保温板。
3.根据权利要求1所述的一种复合防水砂浆的保温板，其特征在于，所述乳胶粉为水溶性乳胶粉。
4.根据权利要求1所述的一种复合防水砂浆的保温板，其特征在于，所述乳胶粉为VAE胶粉。
5.根据权利要求1所述的一种复合防水砂浆的保温板，其特征在于，所述聚丙烯长度为2-5mm。
6.根据权利要求1所述的一种复合防水砂浆的保温板，其特征在于，所述有机酸为富马酸、柠檬酸、苯甲酸的至少一种。
CN202011605344.7A 2020-12-30 2020-12-30 一种复合防水砂浆的保温板 Pending CN112721356A (zh)

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Publication number Priority date Publication date Assignee Title
CN103276826A (zh) * 2013-06-28 2013-09-04 安徽中瑞节能装饰材料集团有限公司 无机复合a级不燃保温板及其制备方法
CN104213649A (zh) * 2014-08-22 2014-12-17 安徽中瑞节能装饰材料集团有限公司 聚氨酯复合保温板及其制备方法
CN106958298A (zh) * 2017-04-28 2017-07-18 重庆盈元节能建材有限公司 一种保温装饰板
CN211817941U (zh) * 2020-03-26 2020-10-30 新乡市英姿建材有限公司 建筑节能用集防火保温为一体的复合保温模板

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276826A (zh) * 2013-06-28 2013-09-04 安徽中瑞节能装饰材料集团有限公司 无机复合a级不燃保温板及其制备方法
CN104213649A (zh) * 2014-08-22 2014-12-17 安徽中瑞节能装饰材料集团有限公司 聚氨酯复合保温板及其制备方法
CN106958298A (zh) * 2017-04-28 2017-07-18 重庆盈元节能建材有限公司 一种保温装饰板
CN211817941U (zh) * 2020-03-26 2020-10-30 新乡市英姿建材有限公司 建筑节能用集防火保温为一体的复合保温模板

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Application publication date: 20210430