CN113582639B - 一种防水隔热材料及其制备方法 - Google Patents
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Classifications
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
- C04B14/24—Glass ; Devitrified glass porous, e.g. foamed glass
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2676—Polystyrenes
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
本发明公开了一种防水隔热材料及其制备方法,所述防水隔热材料包括干粉和增强液料,在使用时,用水将所述干粉和所述增强液料混合,所述增强液料包括如下重量份原料:空心玻璃微珠2‑10份、丁苯乳液20‑35份、丙烯酸乳液20‑25份、硅丙乳液10‑20份、所述干粉包括如下重量份原料、硅酸盐水泥20‑30份;通过混合适当配比的空心玻璃微珠和硅酸盐水泥、丁苯乳液、丙烯酸乳液、硅丙乳液,制得一种分散性好、防水、隔热、粘结力强的防水隔热材料。
Description
技术领域
本发明属于建筑领域,尤其涉及一种防水隔热材料及其制备方法。
背景技术
墙用防水隔热材料普遍采用玻化微珠、膨胀珍珠岩类材料制备,但制得的防水隔热材料自身吸潮吸水性强,水分容易渗入,常因吸水性大而导致防水性能不佳、隔热性能不强的弊端。
现有技术中中,防水隔热材料也有采用空心玻璃微珠制备,但由于空心玻璃微珠质量极轻,在包装过程中容易飘尘而流失,包装难度大;此外,在制备防水隔热材料的过程中,空心玻璃微珠容易浮在液体表面,难以均匀分散于乳液中,得到的防水隔热材料粘结力弱;再者,制备防水隔热材料的过程中,一般采用丙烯酸乳液作为分散乳液,制得的防水隔热材料硬度低。
发明内容
针对现有技术的不足,本发明提供一种防水隔热材料,通过混合适当配比的空心玻璃微珠和硅酸盐水泥、丁苯乳液、丙烯酸乳液、硅丙乳液,制得一种分散性好、防水、隔热、粘结力强的防水隔热材料。
本发明的目的在于提供一种防水隔热材料,所述防水隔热材料包括干粉和增强液料,在使用时,用水将所述干粉和所述增强液料混合,所述增强液料包括如下重量份原料:
空心玻璃微珠 2-10份;
丁苯乳液 20-35份;
丙烯酸乳液 20-25份;
硅丙乳液 10-20份;
所述干粉包括如下重量份原料:
硅酸盐水泥 20-30份。
进一步的,所述增强液料还包括如下重量份原料:
进一步的,所述干粉还包括如下重量份原料:
本发明的另一目的在于提供一种增强液料的制备方法,包括如下步骤:
S1.将去离子水加入搅拌罐,搅拌,加入重钙粉,高速搅拌,依次加入丁苯乳液、丙烯酸乳液、硅丙乳液、搅拌,加入分散剂、增稠剂高速搅拌,加入防腐剂和悬浮稳定剂,搅拌;
S2.将搅拌机转速调低,加入空心玻璃珠,搅拌一段时间,再将转速调低,搅拌,即可得到增强液料。
进一步的,步骤S1中,所述高速搅拌的转速为800-1000转/分钟。
进一步的,步骤S2中,所述将搅拌机转速调低至300转/分钟;再将转速调低至150转/分钟;由于空心玻璃微珠的抗压强度低,高速加入空心玻璃微珠会造成空心玻璃微珠的大面积破损。
本发明的另一目的在于提供一种干粉的制备方法,包括如下步骤:
将硅酸盐水泥和石英砂、硫铝酸盐水泥加入混合机混合,取样测温,加入纤维素醚、硅灰、乳胶粉、石英砂,混合,即可得到干粉。
进一步的,在温度低于35℃时加入纤维素醚、硅灰、乳胶粉、石英砂。
本发明的再一目的在于提供一种防水隔热材料的制备方法,包括如下步骤:
将干粉和增强液料、水搅拌成膏状。
进一步的,所述干粉和增强液料、水的重量比为3:1:1。
相比于现有技术,本发明具有如下有益效果:
(1)本发明在防水隔热材料中加入空心玻璃微珠和丁苯乳液、丙烯酸乳液、硅丙乳液,由于丁苯乳液的分子链上含有大量的苯环,提高材料的硬度,丙烯酸乳液和硅丙乳液的分子链上含有大量的羧基与空心玻璃微珠表面的硅羟基之间形成氢键,使空心玻璃微珠均匀的分散于乳液中,增强空心玻璃微珠与建筑基层的粘结力,得到一种防水、隔热、粘结力强、硬度高的防水隔热材料。
(2)本发明在防水隔热材料中加入硅酸盐水泥,硅酸盐水泥的主要成分是硅酸钙,硅酸钙具有良好的隔热性能,提升防水隔热材料的隔热性能;硅酸钙还具有优良的悬浮剂功效,钙离子可以和丙烯酸乳液的羧基发生络合,使空心玻璃微珠更好的分散于乳液中,形成高粘力的玻璃珠硅酸钙乳液。
(3)本发明通过将空心玻璃微珠分散于乳液中,解决了由于空心玻璃微珠质量轻,在包装过程中容易飘尘而流失,包装难度大的问题;将制得增强液料和干粉分别包装,方便储存和运输,有利于物料的稳定,使用时再进行混合即可,生产工艺简单。
具体实施方式
为了使本技术领域的人员更好地理解本发明中的技术方案,下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅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做出创造性劳动前提下所获得的所有其他实施例,都应当属于本发明保护的范围。
实施例1-3和对比例1-4:防水隔热材料的制备。
(1)实施例1-3和对比例1-4防水隔热材料的组成。
表1.实施例1-3和对比例1-4的防水隔热材料的重量份组成。
(2)实施例1-3防水隔热材料的制备。
增强液料的制备:
S1.按重量份将去离子水加入搅拌罐,600转/分钟搅拌5分钟,加入重钙粉,1000转/分钟高速搅拌10分钟,依次加入丁苯乳液、丙烯酸乳液、硅丙乳液、1000转/分钟搅拌10分钟,加入分散剂、增稠剂1200转/分钟高速搅拌30分钟,加入防腐剂和悬浮稳定剂,1000转/分钟搅拌5分钟;
S2.将搅拌机转速调低至300转/分钟,加入空心玻璃珠,搅拌5分钟,再将转速调低至150转/分钟搅拌2分钟,即可得到增强液料。
干粉的制备:
按重量份将硅酸盐水泥和石英砂、硫铝酸盐水泥加入混合机混合3分钟,取样测温,在温度低于35℃时加入纤维素醚、硅灰、乳胶粉、石英砂,混合10分钟,即可得到干粉。
防水隔热材料的制备:
将干粉和增强液料、水按重量比3:1:1搅拌成膏状。
对比例1
将实施例2的空心玻璃微珠替换成玻化微珠,其余步骤不变。
对比例2
将实施例2的空心玻璃微珠5重量份替换成空心玻璃微珠30重量份,不添加硅酸盐水泥,其余步骤不变。
对比例3
将实施例2中的丙烯酸乳液22重量份替换成丙烯酸乳液36重量份,硅丙乳液15重量份替换成29重量份,不添加丁苯乳液,其余步骤不变。
对比例4
将实施例2中的丙烯酸乳液22重量份替换成丙烯酸乳液36重量份,硅丙乳液15重量份替换成29重量份,一级粉煤灰2重量份替换成一级粉煤灰27重量份,不添加丁苯乳液和硅酸盐水泥,其余步骤不变。
对比例5
将实施例2的步骤S2替换成将搅拌机转速保持1000转/分钟,加入空心玻璃珠,搅拌7分钟,其余步骤不变。
性能测试:
将实施例1-3制备得到的防水隔热材料和对比例1-3制备的材料通过刮涂的方式分别制成2mm厚度的干涂膜,涂覆在水泥砂浆块上,根据JG/T 375-2012进行剥离粘结性能测试,根据GB/T 1733-1993进行耐水性性能测试,利用导热系数测试仪HS-DR-5进行导热性能测试,测试结果见表2。
表2.实施例1-3和对比1-5制得的防水隔热材料性能测试结果。
由表2可知,实施例1-3制得的防水隔热材料具有优异的粘接强度、防水性能、隔热性能、分散性能良好、硬度高。
以上实施例仅用以说明本发明的技术方案而非对其限制,尽管参照上述实施例对本发明进行了详细的说明,所属领域的普通技术人员应当理解,技术人员阅读本申请说明书后依然可以对本发明的具体实施方式进行修改或者等同替换,但这些修改或变更均未脱离本发明申请待批权利要求保护范围之内。
Claims (3)
1.一种防水隔热材料,其特征在于,所述防水隔热材料包括干粉和增强液料,在使用时,用水将所述干粉和所述增强液料混合,所述增强液料包括如下重量份原料:
空心玻璃微珠2-10份;
丁苯乳液20-35份;
丙烯酸乳液20-25份;
硅丙乳液10-20份;
悬浮稳定剂0.1-0.3份;
防腐剂0.1-0.3份;
分散剂0.1-1份;
重钙粉5-15份;
增稠剂0.1-0.5份;
去离子水10-20份;
所述干粉包括如下重量份原料:
硅酸盐水泥20-30份;
硫铝酸盐水泥10-25份;
石英砂30-40份;
硅灰5-10份;
纤维素醚0.1-0.3份;
乳胶粉1-2份;
硅酸镁铝0.2-1份;
减水剂0.1-0.3份;
一级粉煤灰1-3份;
所述增强液料的制备方法包括如下步骤:
S1.将去离子水加入搅拌罐,搅拌,加入重钙粉,高速搅拌,依次加入丁苯乳液、丙烯酸乳液、硅丙乳液、搅拌,加入分散剂、增稠剂高速搅拌,加入防腐剂和悬浮稳定剂,搅拌;
S2.将搅拌机转速调低,加入空心玻璃微珠,搅拌一段时间,再将转速调低,搅拌,即可得到增强液料;
步骤S1中,所述高速搅拌的转速为800-1200转/分钟;
步骤S2中,所述将搅拌机转速调低至300转/分钟;再将转速调低至150转/分钟;
所述干粉和增强液料、水的重量比为3:1:1。
2.根据权利要求1所述的防水隔热材料,其特征在于,所述干粉的制备方法包括如下步骤:
将硅酸盐水泥和石英砂、硫铝酸盐水泥加入混合机混合,取样测温,在温度低于35oC时,加入纤维素醚、硅灰、乳胶粉、硅酸镁铝、减水剂、一级粉煤灰,混合,即可得到干粉。
3.一种防水隔热材料的制备方法,其特征在于,包括如下步骤:
将干粉和增强液料、水搅拌成膏状;所述增强液料包括如下重量份原料:
空心玻璃微珠2-10份;
丁苯乳液20-35份;
丙烯酸乳液20-25份;
硅丙乳液10-20份;
悬浮稳定剂0.1-0.3份;
防腐剂0.1-0.3份;
分散剂0.1-1份;
重钙粉5-15份;
增稠剂0.1-0.5份;
去离子水10-20份;
所述干粉包括如下重量份原料:
硅酸盐水泥20-30份;
硫铝酸盐水泥10-25份;
石英砂30-40份;
硅灰5-10份;
纤维素醚0.1-0.3份;
乳胶粉1-2份;
硅酸镁铝0.2-1份;
减水剂0.1-0.3份;
一级粉煤灰1-3份;
所述增强液料的制备方法包括如下步骤:
S1.将去离子水加入搅拌罐,搅拌,加入重钙粉,高速搅拌,依次加入丁苯乳液、丙烯酸乳液、硅丙乳液、搅拌,加入分散剂、增稠剂高速搅拌,加入防腐剂和悬浮稳定剂,搅拌;
S2.将搅拌机转速调低,加入空心玻璃微珠,搅拌一段时间,再将转速调低,搅拌,即可得到增强液料;
步骤S1中,所述高速搅拌的转速为800-1200转/分钟;
步骤S2中,所述将搅拌机转速调低至300转/分钟;再将转速调低至150转/分钟;
所述干粉和增强液料、水的重量比为3:1:1。
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