CN111393969A - 抗震防爆防护用高强度聚脲组合涂料及其施工方法 - Google Patents
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Abstract
本发明公开了抗震防爆防护用高强度聚脲组合涂料及其施工方法,该抗震防爆防护用高强度聚脲组合涂料包括主剂和固化剂;其中,主剂按照重量百分比包括:聚氧丙烯二胺55~65%,二乙基甲苯二胺15~25%,色料5~10%,防紫外线剂1~2%,附着力加强剂1~2.5%,分散剂0.1~1.5%,稳定剂0.1~0.5%,消泡剂0.5~2%,改性氨基硅油8~16%;固化剂之重量百分比为100%的异氰酸酯预聚物;本发明抗震防爆防护用高强度聚脲组合涂料采用如下步骤进行施工:步骤一、基材预处理;步骤二、基材调整涂敷;步骤三、基础底漆涂敷;步骤四、抗震防爆防护用高强度聚脲组合涂料涂敷;步骤五、抗黄变高硬质漆涂敷。本发明可有效防止由爆炸及地震引起的压力负荷对混凝土结构物或水泥砖结构物产生的破坏。
Description
技术领域
本发明涉及涂料技术及施工领域,尤其涉及抗震防爆防护用高强度聚脲组 合涂料及其施工方法。
背景技术
因21世纪人类的发展,工业现代化的进展,百姓经济的快速提升及生活 水平的日益精进,对于建筑物的安全性能要求也越来越高,因此,建筑墙体的 产品也必然向高新技术、高安全性的方向发展。其中,抗震防爆防护用高强度 聚脲组合涂料是目前迫切需要的新材料之一。地震、爆炸、层降等过程中的能 量会以极快的速度,通过周边的空气以冲击波的方式进行传送,不仅对建筑物 造成损毁,而且也会带来人身伤害。因此,一种可防止由爆炸及地震、层降引 起的压力负荷对钢筋混凝土结构物或水泥砖墙结构物产生的影响,并且对外部 或内部的冲击波和爆炸、层降负荷的能量吸收高,而能够使建筑设施破坏及人 身伤害最小化的涂料。
发明内容
为解决上述问题,本发明提出了抗震防爆防护用高强度聚脲组合涂料及其 施工方法,可有效防止由爆炸及地震、层降引起的压力负荷对钢筋混凝土结构 物或水泥砖墙结构物产生的影响从而避免由爆炸及地震、层降引起建筑设施破 坏及人身伤害。
为了解决上述技术问题,本发明采用了下述技术方案:抗震防爆防护用高 强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化剂按体积比为1~1.2 混合而成;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺55~65%,二乙基甲苯 二胺15~25%,色料5~10%,防紫外线剂1~2%,附着力加强剂1~2.5%,分散 剂0.1~1.5%,稳定剂0.1~0.5%,消泡剂0.5~2%,改性改性氨基硅油8~16%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,所述异氰酸酯预聚物NCO%含量百分比为8%~20%。
进一步的,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成 的:分子量250.3二苯基甲烷二异氰酸酯40~50%、分子量2000的多元醇或分 子量3000的聚醚多元醇45~55%,磷系阻燃剂6~16%;其制备方法为:向反应 釜中依次加二苯基甲烷二异氰酸酯、多元醇或聚醚多元醇,在温度65~95℃、 搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂,在温度50~70℃、 搅拌速度75~150rpm下,混合30~60分钟,即得到分子量2000的异氰酸酯预 聚物。
进一步的,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成 的:分子量285的碳化二亚胺改性4,4二苯基甲烷二异氰酸酯45~60%,分子 量2000的多元醇或分子量3000的聚醚多元醇45~55%,磷系阻燃剂6~16%;其 制备方法为:向反应釜中依次碳化二亚胺改性4,4二苯基甲烷二异氰酸酯、多 元醇或聚醚多元醇,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小 时;加入磷系阻燃剂,在温度50~70℃、搅拌速度75~150rpm下,混合30~ 60分钟,即得到分子量2000的异氰酸酯预聚物。
进一步的,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成 的:分子量250.3二苯基甲烷二异氰酸酯20~40%,分子量285的碳化二亚胺改 性4,4二苯基甲烷二异氰酸酯20~40%,分子量2000的多元醇或分子量3000 的聚醚多元醇45~55%,磷系阻燃剂6~16%;其制备方法为:向反应釜中依次加 入二苯基甲烷二异氰酸酯、碳化二亚胺改性4,4二苯基甲烷二异氰酸酯、多元 醇或聚醚多元醇,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小时; 加入磷系阻燃剂,在温度50~70℃、搅拌速度75~150rpm下,混合30~60分 钟,即得到分子量2000的异氰酸酯预聚物。
其中,本发明所述有机硅聚脲树脂涂料组合物中所述色料与聚氧丙烯二胺, 均具有从漂浮于有机聚合体的基体结构流体内的多个大粒子中,吸收冲击的充 分弹性,当由弹性聚合体基体结构形状的分布,恒定的硬质超微粒子所形成的 复合材料受到冲击时,被硬质微粒子的稠密层内部吸收,由此吸收冲击。
其中,本发明所述抗震防爆防护用高强度聚脲组合涂料根据主剂、固化剂 质量比调整来决定交联度,随着交联度的紧凑度高,耐化学性、耐磨耗性、伸 长率、拉伸强度、扯裂强度、附着性、冲击性、耐寒性及耐热性等物性变高, 如果交联度降低,就会使硬度减少,耐热性减少,耐化学性减少,伸长率、拉 伸强度及耐磨耗性等物性降低。
抗震防爆防护用高强度聚脲组合涂料的施工方法,包括以下步骤:
步骤一、基材预处理:清洁附着于基材表面浮浆皮、灰尘、油分等污染物;
步骤二、基材调整涂敷:以体积比为1∶1∶5的主剂、固化剂、砂浆粉末作 为基材调整涂敷材料,涂覆于经过步骤一处理后的基材上,填充基材上的缝隙、 裂纹;
步骤三、基础底漆涂敷:以50μm的厚度涂敷基础底漆;
步骤四、抗震防爆防护用高强度聚脲组合涂料涂敷:涂覆抗震防爆防护用 高强度聚脲组合涂料,所述抗震防爆防护用高强度聚脲组合涂料由所述主剂和 固化剂按体积比为1~1.2混合而成;
步骤五、抗黄变高硬质漆涂敷:以75μm(室内部分50μm)的厚度涂敷抗 黄变高硬质漆。
与现有技术相比,本发明实现的有益效果:
1、可有效防止由爆炸及地震、层降引起的压力负荷对钢筋混凝土结构物或 水泥砖墙结构物产生的影响从而避免由爆炸及地震、层降引起建筑设施破坏及 人身伤害。
2、本发明所述主剂中减少了扩链剂用量,加大了特性中的黏着力,有效提升 了抗震防爆防护用高强度聚脲组合涂料的物理性质。
3、本发明具有超高的拉伸强度、收缩力量,可完成无缝隙的连续涂膜。
4、本发明具有超快速固化的特性,施工作业省力,即使是垂直面的作业, 也不会有流淌现象,同时可保证在合格的涂膜厚度内。
5、本发明原材料中不含催化剂、增塑剂等对人体有害物质,因此,可以运 用在净水厂及饮用水储存箱等的防护涂料。
具体实施方式
下面详细描述本发明的实施案例,其中从头到尾有相同或类似的标号,表示相同或类似的组件或 具有相同或类似功能的组件。
实施案例1
抗震防爆防护用高强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化 剂按体积比为1.15∶1混合而成;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺61.5%,二乙基甲苯二 胺21%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%,改性改性氨基硅油8%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量250.3的二苯基甲烷二异氰酸酯40~50wt%、分子量2000的多元醇或分子量3000的聚醚多元醇45~55wt%,在温度 65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂8~16wt%, 在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,得到分子量2000 的异氰酸酯预聚物。
其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%)优选为18%; 所述NCO基含量百分比(%)越高,硬度越高,相反,NCO基含量百分比(%)越 低,硬度越低。
根据主剂、固化剂质量比调整来决定交联度,随着交联度的紧凑度高,耐 化学性、耐磨耗性、伸长率、拉伸强度、扯裂强度、附着性、冲击性、耐寒性 及耐热性等物理性变高,如果交联度降低,就会使硬度减少,耐热性减少,耐 化学性减少,伸长率、拉伸强度及耐磨耗性等物理性降低。
抗震防爆防护用高强度聚脲组合涂料的施工方法,包括以下步骤:
步骤一、基材预处理:将基材在25℃的温度下充分养护25天以上后,清洁 底物的表面的浮浆皮、灰尘、油分等其他污染物。
步骤二、基材调整涂敷:以体积比为1∶1∶5的主剂、固化剂、砂浆粉末作 为基材调整涂敷材料,用搅拌器搅拌混合均匀后,利用喷雾器、刮刀、辊子将 基材调整涂敷材料涂覆于经过步骤一处理后的基材上,从而填充基材上的缝隙、 裂纹处;
所述步骤二基材调整涂覆过程,因季节温度不同,不同固化时间如表1所 示:
表1基材调整涂敷材料不同温度的固化时间
温度(℃) | 5 | 10 | 15 | 20 |
时间(hr) | 24 | 12 | 8 | 4 |
步骤三、基础底漆涂敷:确认步骤二基材调整涂敷步骤中形成充分固化后, 利用辊子或喷雾器涂装1次50μm的底漆;
步骤四、抗震防爆防护用高强度聚脲组合涂料涂敷:涂覆抗震防爆防护用 高强度聚脲组合涂料,在25℃的温度下,在3小时以上且12小时以内清洁涂膜 上的所有污染物,计算涂装面积及涂膜厚度5mm~11mm的需要量来以1.15∶1的 体积比混合主剂和固化剂来进行涂敷;
防护防爆用有机硅聚脲的主剂和固化剂在混合式聚脲专用喷雾器内形成, 作业条件为:喷嘴口径(扇形图案:0.024~0.048inch,圆形图案:0.020~0.086 inch),喷射温度68~78℃,喷射压力2000~3300psi,若当进行喷涂时,如 果因喷雾器的喷枪或设备故障,造成过量喷涂主剂或固化剂中的一种,应立刻 对受污染的部分进行擦拭,并进行养护处理,之后实施重新喷涂。
步骤五、抗黄变高硬质漆涂敷:使用喷雾器或辊子以75μm(室内部分50 μm)的厚度涂敷抗黄变高硬质漆。
实施案例2
抗震防爆防护用高强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化 剂按体积比为1.12∶1混合;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺64.5%,二乙基甲苯二 胺20%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%,改性氨基硅油6%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量285的碳化二亚胺改性4,4二苯基 甲烷二异氰酸酯45~60wt%、分子量2000的多元醇或分子量3000的聚醚多元醇 45~55wt%,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入 磷系阻燃剂8~16wt%,在温度50~70℃、搅拌速度75~150rpm下,混合30~ 60分钟,得到分子量2000的异氰酸酯预聚物。
其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%)优选为18%; 所述NCO基含量百分比(%)越高,硬度越高,相反,NCO基含量百分比(%)越 低,硬度越低。
实施案例3
抗震防爆防护用高强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化 剂按重量比为1.09∶1混合;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺61.5%,二乙基甲苯二 胺23%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%,改性氨基硅油6%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量250.3的二苯基甲烷二异氰酸酯15~35wt%%、分子量285的碳化二亚胺改性4,4二苯基甲烷二异氰酸酯,分子量2000 的多元醇或分子量3000的聚醚多元醇45~55wt%,在温度65~95℃、搅拌速度 75~150rpm下,反应3~4小时;加入磷系阻燃剂8~16wt%,在温度50~70℃、 搅拌速度75~150rpm下,混合30~60分钟,得到分子量2000的异氰酸酯预聚 物。
其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%)优选为18%; 所述NCO基含量百分比(%)越高,硬度越高,相反,NCO基含量百分比(%)越 低,硬度越低。
实施案例4
抗震防爆防护用高强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化 剂按体积比为1.07∶1混合;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺63.5%,二乙基甲苯二 胺18%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%,改性氨基硅油9%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量250.3的二苯基甲烷二异氰酸酯40~50wt%、分子量2000的多元醇或分子量3000的聚醚多元醇45~55wt%,在温度 65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂8~16wt%, 在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,得到分子量2000 的异氰酸酯预聚物。
其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%)优选为18%; 所述NCO基含量百分比(%)越高,硬度越高,相反,NCO基含量百分比(%)越 低,硬度越低。
实施案例5
抗震防爆防护用高强度聚脲组合涂料,包括主剂和固化剂,所述主剂与固化 剂按体积比为1.05∶1混合;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺56.5%,二乙基甲苯二 胺19%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%,改性氨基硅油15%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量250.3的二苯基甲烷二异氰酸酯40~50wt%、分子量2000的多元醇或分子量3000的聚醚多元醇45~55wt%,在温度 65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂8~16wt%, 在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,得到分子量2000 的异氰酸酯预聚物。
其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%)优选为18;所 述NCO基含量百分比(%)越高,硬度越高,相反,NCO基含量百分比(%)越低, 硬度越低。
比较案例1
普通聚脲组合物组合物,包括主剂和固化剂,所述主剂与固化剂按体积比为 1.1∶1混合;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺70.5%,二乙基甲苯二 胺20%,色料6%,防紫外线剂1%,附着力促进剂1%,分散剂0.5%,稳定剂0.5%, 消泡剂0.5%;
所述固化剂为重量百分比为100%的异氰酸酯预聚物。
进一步的,向反应釜中依次加入分子量250.3的二苯基甲烷二异氰酸酯40~50wt%、分子量2000的多元醇或分子量3000的聚醚多元醇45~55wt%,在温度 65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂8~16wt%, 在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,得到分子量2000 的异氰酸酯预聚物;其中,所述二苯基甲烷二异氰酸酯的NCO基含量百分比(%) 优选为18%。
将上述实施案例1至实施案例5,以及比较例1,按有机硅聚脲树脂涂料组 合物的混合比分别制作涂膜样片,所述涂膜试片长500mm、宽500mm,涂膜厚度 为2000μm,通过HG/T3831-2006的试验方法测定上述涂膜试片的硬度试验、 拉伸强度、伸长率、耐磨耗性、扯裂强度,通过ASTM D 7334的试验方法进行 接触角试验和表面能试验;试验结果如表2所示。
表2比较案例1和实施案例1至实施案例5的物理性质表
如上述表2所示,从实施案例1至实施案例5相比,比较案例1的有机硅 聚脲树脂涂料组合物呈现出耐磨耗性、接触角、表面能呈现出拉伸强度和扯裂 强度相对低的物理性数值;
实施案例1至实施案例5中,改性氨基硅油的添加量影响着摩擦系数的变 化,随着添加量的增加,耐磨耗性越高,表面能值越低;
实施案例5与实施案例1至实施案例4相比,实施案例5因过多改性改性 氨基硅油的添加而使机械物性伸长率大幅度增加,但硬度、拉伸强度、扯裂强 度等物性大大减少。
Claims (6)
1.一种抗震防爆防护用高强度聚脲组合涂料,其特征在于,包括主剂和固化剂,所述主剂与固化剂按体积比为1~1.2混合而成;
其中,所述主剂按照重量百分比包括:聚氧丙烯二胺55~65%,二乙基甲苯二胺15~25%,色料5~10%,防紫外线剂1~2%,附着力加强剂1~2.5%,分散剂0.1~1.5%,稳定剂0.1~0.5%,消泡剂0.5~2%,改性氨基硅油8~16%;
所述固化剂为异氰酸酯预聚物。
2.权利要求1所述的抗震防爆防护用高强度聚脲组合涂料,其特征在于,所述异氰酸酯预聚物NCO%含量百分比为8%~20%。
3.如权利要求1所述的抗震防爆防护用高强度聚脲组合涂料,其特征在于,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成的:分子量250.3二苯基甲烷二异氰酸酯40~50%、分子量2000的多元醇或分子量3000的聚醚多元醇45~55%,磷系阻燃剂6~16%;其制备方法为:向反应釜中依次加二苯基甲烷二异氰酸酯、多元醇或聚醚多元醇,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂,在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,即得到分子量2000的异氰酸酯预聚物。
4.如权利要求1所述的抗震防爆防护用高强度聚脲组合涂料,其特征在于,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成的:分子量285的碳化二亚胺改性4,4二苯基甲烷二异氰酸酯45~60%,分子量2000的多元醇或分子量3000的聚醚多元醇45~55%,磷系阻燃剂6~16%;其制备方法为:向反应釜中依次碳化二亚胺改性4,4二苯基甲烷二异氰酸酯、多元醇或聚醚多元醇,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂,在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,即得到分子量2000的异氰酸酯预聚物。
5.如权利要求1所述的抗震防爆防护用高强度聚脲组合涂料,其特征在于,所述异氰酸酯预聚物由下列重量百分比含量百分比的原料制成的:分子量250.3二苯基甲烷二异氰酸酯20~40%,分子量285的碳化二亚胺改性4,4二苯基甲烷二异氰酸酯20~40%,分子量2000的多元醇或分子量3000的聚醚多元醇45~55%,磷系阻燃剂6~16%;其制备方法为:向反应釜中依次加入二苯基甲烷二异氰酸酯、碳化二亚胺改性4,4二苯基甲烷二异氰酸酯、多元醇或聚醚多元醇,在温度65~95℃、搅拌速度75~150rpm下,反应3~4小时;加入磷系阻燃剂,在温度50~70℃、搅拌速度75~150rpm下,混合30~60分钟,即得到分子量2000的异氰酸酯预聚物。
6.抗震防爆防护用高强度聚脲组合涂料的施工方法,其特征在于,包括以下步骤:
步骤一、基材预处理:清洁附着于基材表面浮浆皮、灰尘、油分等污染物;
步骤二、基材调整涂敷:以体积比为1∶1∶5的主剂、固化剂、砂浆粉末作为基材调整涂敷材料,涂覆于经过步骤一处理后的基材上,填充基材上的缝隙、裂纹;
步骤三、基础底漆涂敷:以50μm的厚度涂敷基础底漆;
步骤四、抗震防爆防护用高强度聚脲组合涂料涂敷:涂覆抗震防爆防护用高强度聚脲组合涂料,所述抗震防爆防护用高强度聚脲组合涂料由所述主剂和固化剂按体积比为1~1.2混合而成而成;
步骤五、抗黄变高硬质漆涂敷:以75μm(室内部分50μm)的厚度涂敷抗黄变高硬质漆。
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CN112175501A (zh) * | 2020-10-23 | 2021-01-05 | 珠海市澜诺新材料科技有限公司 | 一种加固防爆抗震涂料、制备方法及安全帽 |
CN112646464A (zh) * | 2020-10-15 | 2021-04-13 | 上海沪尚有黔新材料科技开发有限公司 | 一种防爆性能高抗冲击防层降组合型聚脲涂料及其施工方法 |
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CN112646464A (zh) * | 2020-10-15 | 2021-04-13 | 上海沪尚有黔新材料科技开发有限公司 | 一种防爆性能高抗冲击防层降组合型聚脲涂料及其施工方法 |
CN112175501A (zh) * | 2020-10-23 | 2021-01-05 | 珠海市澜诺新材料科技有限公司 | 一种加固防爆抗震涂料、制备方法及安全帽 |
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