CN104371469A - 一种速凝型防水建筑涂料及其制备方法 - Google Patents
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Abstract
本发明速凝型防水建筑涂料，包括A组分和B组分，所述A组分由以下重量份数的原料制成：硅丙乳液62～70份、伊利石9～12份、氟石膏10～15份、二壬基萘磺酸1.5～2份、二烷基二硫代磷酸锌1.5～2份、羧甲基淀粉钠5～6份、阿拉伯胶3～4份；所述B组分由以下重量份数的原料制成乙酰丙酮钒0.5～1份、甲基纳迪克酸酐0.8～1.2份、重晶石4～5份、硅酸钾2～3份。发明速凝型防水建筑涂料，采用硅丙乳液复合无机矿物成份，并添加了多种助剂制成A组分，配合纳米复合组分制成的B组分；实验证明该速凝型防水建筑涂料具有凝结时间快，易于施工而且具有良好的防水性能和物理性能，稳定可靠。
Description
技术领域
本发明属于建筑材料领域，涉及一种建筑防水涂料，更具体地说，是涉及一种速凝型防水建筑涂料及其制备方法。
背景技术
建筑防水涂料是在常温下呈无固定形状的粘稠状液态高分子合成材料，经涂布后，通过溶剂的挥发或水分的蒸发或反应固化后在基层表面可形成坚韧的防水涂膜的材料的总称。常见防水涂料的种类有聚氨酯防水涂料、单组分聚氨酯防水涂料、聚合物水泥防水涂料、聚合物乳液防水涂料、沥青类防水涂料和改性沥青类防水涂料等。
聚合物乳液防水涂料在建筑中得到了大量使用，其主要有两种形式：聚合物乳液建筑防水涂料、聚合物水泥防水涂料；这两种涂料靠水分的缓慢挥发，涂层内各成分的堆积积压成膜，凝固时间长，目前仍然采用辊涂、刮涂的施工方式。
公开号为CN101235252A 公开了“一种多功能液体橡胶喷涂料”，由A、B 两组分组成，A 组分为聚氯丁二烯胶乳、聚丁苯胶乳、乳化沥青组成，B 组分凝结剂主要由氯化钙、氯化钠等组成，A、B 组分通过喷涂后形成的防水胶膜具有粘结性强、耐温、耐候、化学稳定性、绝缘性和抗穿刺性好的特点。但其组成中氯化钙、氯化钠不会因水份的挥发而失去，而是永久存在于所形成的防水胶膜中，氯化钙、氯化钠具有一定的腐蚀性和吸水性，因而其对膜层的防水性具有不良的影响。
发明内容
本发明目的在于克服现有技术中的不足，提供一种速凝型防水建筑涂料，该速凝型防水建筑涂料，具有凝结速度快的特点，同时具有较高的粘结强度和较高的稳定性能，以及良好的防水效果。
本发明速凝型防水建筑涂料，包括A组分和B组分，所述A组分由以下重量份数的原料制成：硅丙乳液62～70份、伊利石9～12份、氟石膏10～15份、二壬基萘磺酸1.5～2份、二烷基二硫代磷酸锌1.5～2份、羧甲基淀粉钠5～6份、阿拉伯胶3～4份；所述B组分由以下重量份数的原料制成乙酰丙酮钒0.5～1份、甲基纳迪克酸酐0.8～1.2份、重晶石4～5份、硅酸钾2～3份。
该速凝型防水建筑涂料，所述A组分由以下重量份数的原料制成：硅丙乳液68份、伊利石10份、氟石膏14份、二壬基萘磺酸1.6份、二烷基二硫代磷酸锌1.6份、羧甲基淀粉钠5份、阿拉伯胶3.5份；所述B组分由以下重量份数的原料制成：乙酰丙酮钒0.6份、甲基纳迪克酸酐0.9份、重晶石4份、硅酸钾2.5份。
制备权利要求该速凝型防水建筑涂料的方法，包括以下步骤：
（1）、将所述重量份数的氟石膏制成粒径为5～10um粉末，伊利石制成粒径为0.5～1um粉末，同所述重量份数的二壬基萘磺酸、二烷基二硫代磷酸锌混合并搅拌均匀；然后加入到所述重量份数的硅丙乳液中，以600～800转/min的速度搅拌30分钟；
（2）将所述重量份数的羧甲基淀粉钠、阿拉伯胶，加入到步骤（1）中的混合物中，以400～500转/min的速度搅拌10分钟，得到A组分；
（3）将所述重量份数的重晶石制成粒径为100～200nm粉末；连同乙酰丙酮钒、甲基纳迪克酸酐、硅酸钾混合搅拌均匀搅拌，既得B组分。
硅丙乳液选用为南通生达化工SD-528硅丙乳液。
使用时将B组分和水按照1:3的比例混合搅拌均匀；然后用无气涂料喷涂机将A组分和B组分分按照质量比1 ：0.5雾化喷出，两组分接触后5～10 秒即可凝固成膜。
本发明速凝型防水建筑涂料，采用硅丙乳液复合无机矿物成份，并添加了多种助剂制成A组分，配合纳米复合组分制成的B组分；实验证明该速凝型防水建筑涂料具有凝结时间快，易于施工而且具有良好的防水性能和物理性能，稳定可靠。
具体实施方式
下面给出的实施例拟对本发明作进一步说明，但不能理解为是对本发明保护范围的限制，本领域技术人员根据本发明内容对本发明的一些非本质的改进和调整，仍属于本发明的保护范围。
实施例1：（1）、将粒径为5～10um的氟石膏粉末14克，粒径为0.5～1um的伊利石粉末10克，同二壬基萘磺酸1.6克、二烷基二硫代磷酸锌1.6克混合并搅拌均匀；然后加入到SD-528硅丙乳液68克中，以600～800转/min的速度搅拌30分钟；
（2）将羧甲基淀粉钠5克、阿拉伯胶3.5克，加入到步骤（1）中的混合物中，以400～500转/min的速度搅拌10分钟，得到A组分；
（3）将粒径为100～200nm重晶石粉末4克；连同乙酰丙酮钒0.6克、甲基纳迪克酸酐0.9克、硅酸钾2.5克混合搅拌均匀搅拌，既得B组分；
使用时将B组分和水按照1:3的比例混合搅拌均匀；然后用无气涂料喷涂机将A组分和B组分分按照质量比1 ：0.5雾化喷出，
速凝时间为涂料瞬间喷射到水平45°角的砂浆试块，从A、B 接触到不流动的时间，其他指标依据GB/T23445-2009 测试结果如下。
实施例2：（1）、将粒径为5～10um的氟石膏粉末10克，粒径为0.5～1um的伊利石粉末9克，同二壬基萘磺酸1.5克、二烷基二硫代磷酸锌1.5克混合并搅拌均匀；然后加入到SD-528硅丙乳液62克中，以600～800转/min的速度搅拌30分钟；
（2）将羧甲基淀粉钠5克、阿拉伯胶3克，加入到步骤（1）中的混合物中，以400～500转/min的速度搅拌10分钟，得到A组分；
（3）将粒径为100～200nm重晶石粉末4克；连同乙酰丙酮钒0.5克、甲基纳迪克酸酐0.8克、硅酸钾2克混合搅拌均匀搅拌，既得B组分；
使用时将B组分和水按照1:3的比例混合搅拌均匀；然后用无气涂料喷涂机将A组分和B组分分按照质量比1 ：0.5雾化喷出，
速凝时间为涂料瞬间喷射到水平45°角的砂浆试块，从A、B 接触到不流动的时间，其他指标依据GB/T23445-2009 测试结果如下。
实施例3：（1）、将粒径为5～10um的氟石膏粉末15克，粒径为0.5～1um的伊利石粉末12克，同二壬基萘磺酸2克、二烷基二硫代磷酸锌2克混合并搅拌均匀；然后加入到SD-528硅丙乳液70克中，以600～800转/min的速度搅拌30分钟；
（2）将羧甲基淀粉钠6克、阿拉伯胶4克，加入到步骤（1）中的混合物中，以400～500转/min的速度搅拌10分钟，得到A组分；
（3）将粒径为100～200nm重晶石粉末5克；连同乙酰丙酮钒1克、甲基纳迪克酸酐1.2克、硅酸钾3克混合搅拌均匀搅拌，既得B组分；
使用时将B组分和水按照1:3的比例混合搅拌均匀；然后用无气涂料喷涂机将A组分和B组分分按照质量比1 ：0.5雾化喷出，
速凝时间为涂料瞬间喷射到水平45°角的砂浆试块，从A、B 接触到不流动的时间，其他指标依据GB/T23445-2009 测试结果如下。
Claims (3)
1.一种速凝型防水建筑涂料，其特征在于包括A组分和B组分，所述A组分由以下重量份数的原料制成：硅丙乳液62～70份、伊利石9～12份、氟石膏10～15份、二壬基萘磺酸1.5～2份、二烷基二硫代磷酸锌1.5～2份、羧甲基淀粉钠5～6份、阿拉伯胶3～4份；所述B组分由以下重量份数的原料制成：乙酰丙酮钒0.5～1份、甲基纳迪克酸酐0.8～1.2份、重晶石4～5份、硅酸钾2～3份。
2.根据权利1所述的的速凝型防水建筑涂料，其特征在于所述A组分由以下重量数的原料制成：硅丙乳液68份、伊利石10份、氟石膏14份、二壬基萘磺酸1.6份、二烷基二硫代磷酸锌1.6份、羧甲基淀粉钠5份、阿拉伯胶3.5份；所述B组分由以下重量份数的原料制成：乙酰丙酮钒0.6份、甲基纳迪克酸酐0.9份、重晶石4份、硅酸钾2.5。
3.一种制备权利要求1或2所述速凝型防水建筑涂料的方法，其特征在于包括以下步骤：
（1）、将所述重量份数的氟石膏制成粒径为5～10um粉末，伊利石制成粒径为0.5～1um粉末，同所述重量份数的二壬基萘磺酸、二烷基二硫代磷酸锌混合并搅拌均匀；然后加入到所述重量份数的硅丙乳液中，以600～800转/min的速度搅拌30分钟；
（2）将所重量份数的羧甲基淀粉钠、阿拉伯胶，加入到步骤（1）中的混合物中，以400～500转/min的速度搅拌10分钟，得到A组分；
（3）将所述重量份数的重晶石制成粒径为100～200nm粉末；连同乙酰丙酮钒、甲基纳迪克酸酐、硅酸钾混合搅拌均匀搅拌，既得B组分。
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| CN107311568B (zh) * | 2017-07-14 | 2019-09-17 | 苏州市建筑科学研究院集团股份有限公司 | 一种憎水型聚合物水泥防水涂料及其制备方法 |
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