CN107163695A - 一种用于高安全性托盘式电缆桥架的防火涂料 - Google Patents
一种用于高安全性托盘式电缆桥架的防火涂料 Download PDFInfo
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Abstract
本发明提供了一种用于高安全性托盘式电缆桥架的防火涂料，以重量分数计，包括无机填料100‑120份、粘结剂20‑40份、正丁醇50‑80份、增塑剂10‑20份、催干剂10‑20份、阻燃剂20‑40份、防腐剂10‑20份；本发明所制备的防火涂料具有优良的阻燃性能，隔热性能强，耐火性能优异，对环境污染小，并且本发明防火涂料与桥架基体的粘接性强，综合性能好；异辛酸钴与传统环烷酸钴相比，具有气味小，催干效果好等特点，异辛酸铈能提高硬度和韧性，且能改进光泽和保光性；经检测，本发明所述防火涂料符合GB14907‑2002《钢结构防火涂料通用技术条件》标准，耐火极限达3h‑3.5h。
Description
技术领域
本发明涉及电缆桥架领域，具体涉及一种用于高安全性托盘式电缆桥架的防火涂料。
背景技术
电缆桥架系统是制造业中的一类重要产品，是各基础建设项目中用于规范、保护电缆及输电线路安全的主要装备。一般电缆桥架选用优质冷轧或热轧、热镀锌板等钢板。由于钢结构自身不燃，钢结构的防火问题曾一度被人们忽视。根据国内外有关资料报道及有关机构的试验和统计数字表明，钢结构的机械强度随温度的升高而降低，在500℃左右，其强度下降到40％～50％，钢结构的力学性能，诸如屈服点、抗压强度、弹性模量以及荷载能力等都迅速下降，很快失去支撑能力，导致桥架垮塌。因此，对钢结构进行保护势在必行。钢结构防火涂料刷涂或喷涂在钢结构表面，起防火隔热作用，防止钢结构在火灾中迅速升温而降低强度，避免钢结构失去支撑能力而导致桥架垮塌。
发明内容
为了解决现有技术中存在的问题，本发明提供了一种用于高安全性托盘式电缆桥架的防火涂料，具有较好的防火性能。
本发明解决上述问题的技术方案为：一种用于高安全性托盘式电缆桥架的防火涂料，所述防火涂料的制备步骤如下：
(1)以重量分数计，称取无机填料100-120份、粘结剂20-40份、正丁醇50-80份、增塑剂10-20份、催干剂10-20份、阻燃剂20-40份、防腐剂10-20份；
(2)将防腐剂、正丁醇、粘结剂加入搅拌机中混合均匀，搅拌温度为50-70℃，搅拌时间为1-2h，得到混合乳液；
(3)将无机填料、增塑剂、催干剂、阻燃剂按照先粉料后液料的顺序依次加入到立式球磨机中，球磨0.5h后，得到混合物；
(4)将混合物加入到搅拌机中，再缓缓加入混合乳液，在搅拌机中以200r/min的速度搅拌混合0.5h，搅拌温度为50-70℃，保温1h后静置4h，即得到防火涂料。
所述无机填料为轻质碳酸钙、硅灰石，轻质碳酸钙、硅灰石的重量比为2:1；所述催干剂为异辛酸钴、异辛酸铈，异辛酸钴、异辛酸铈的重量比为2:1；所述防腐剂为三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水，三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水的重量比为5:2:5:50。
所述阻燃剂为十溴二苯乙烷、溴化环氧树脂、三聚氰胺中的一种或几种；所述粘结剂为硅酸钠、硅酸钾、磷酸铝、呋喃树脂、卤化烯烃树脂、丁苯乳液中的一种或几种；所述增塑剂为有机磷酸酯、氧氯丙烷中的一种或两种。
本发明具有有益效果：本发明所制备的防火涂料具有优良的阻燃性能，隔热性能强，耐火性能优异，对环境污染小，并且本发明防火涂料与桥架基体的粘接性强，综合性能好；异辛酸钴与传统环烷酸钴相比，具有气味小，催干效果好等特点，异辛酸铈能提高硬度和韧性，且能改进光泽和保光性；经检测，本发明所述防火涂料符合GB14907-2002《钢结构防火涂料通用技术条件》标准，耐火极限达3h-3.5h。
具体实施方式
下面结合具体实施方式对本发明作进一步的说明。
实施例1
一种用于高安全性托盘式电缆桥架的防火涂料，所述防火涂料的制备步骤如下：
(1)以重量分数计，称取轻质碳酸钙80、硅灰石40份、丁苯乳液40份、正丁醇80份、有机磷酸酯20份、异辛酸钴10、异辛酸铈5份、十溴二苯乙烷40份、防腐剂20份；
(2)将防腐剂、正丁醇、丁苯乳液加入搅拌机中混合均匀，搅拌温度为70℃，搅拌时间为2h，得到混合乳液；
(3)将轻质碳酸钙、硅灰石、有机磷酸酯、异辛酸钴、异辛酸铈、十溴二苯乙烷按照先粉料后液料的顺序依次加入到立式球磨机中，球磨0.5h后，得到混合物；
(4)将混合物加入到搅拌机中，再缓缓加入混合乳液，在搅拌机中以200r/min的速度搅拌混合0.5h，搅拌温度为70℃，保温1h后静置4h，即得到防火涂料。
所述防腐剂为三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水，三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水的重量比为5:2:5:50。
实施例2
一种用于高安全性托盘式电缆桥架的防火涂料，所述防火涂料的制备步骤如下：
(1)以重量分数计，称取轻质碳酸钙80、硅灰石40份、丁苯乳液20份、正丁醇80份、有机磷酸酯20份、异辛酸钴10份、异辛酸铈5份、三聚氰胺20份、防腐剂10份；
(2)将防腐剂、正丁醇、丁苯乳液加入搅拌机中混合均匀，搅拌温度为70℃，搅拌时间为1h，得到混合乳液；
(3)将轻质碳酸钙、硅灰石、有机磷酸酯、异辛酸钴、异辛酸铈、三聚氰胺按照先粉料后液料的顺序依次加入到立式球磨机中，球磨0.5h后，得到混合物；
(4)将混合物加入到搅拌机中，再缓缓加入混合乳液，在搅拌机中以200r/min的速度搅拌混合0.5h，搅拌温度为70℃，保温1h后静置4h，即得到防火涂料。
所述防腐剂为三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水，三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水的重量比为5:2:5:50。
实施例3
一种用于高安全性托盘式电缆桥架的防火涂料，所述防火涂料的制备步骤如下：
(1)以重量分数计，称取轻质碳酸钙80、硅灰石40份、丁苯乳液20份、正丁醇50份、氧氯丙烷10份、异辛酸钴8份、异辛酸铈4份、溴化环氧树脂20份、防腐剂20份；
(2)将防腐剂、正丁醇、丁苯乳液加入搅拌机中混合均匀，搅拌温度为50℃，搅拌时间为1h，得到混合乳液；
(3)将轻质碳酸钙、硅灰石、氧氯丙烷、异辛酸钴、异辛酸铈、溴化环氧树脂按照先粉料后液料的顺序依次加入到立式球磨机中，球磨0.5h后，得到混合物；
(4)将混合物加入到搅拌机中，再缓缓加入混合乳液，在搅拌机中以200r/min的速度搅拌混合0.5h，搅拌温度为50℃，保温1h后静置4h，即得到防火涂料。
所述防腐剂为三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水，三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水的重量比为5:2:5:50。
经检测，实施例1-3制备的防火涂料符合GB14907-2002《钢结构防火涂料通用技术条件》标准，耐火极限达3h-3.5h。
不脱离本发明的构思和范围可以做出许多其他改变和改型。应当理解，本发明不限于特定的实施方式，本发明的范围由所附权利要求限定。
Claims (6)
1.一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，防火涂料的制备步骤如下：
(1)以重量分数计，称取无机填料100-120份、粘结剂20-40份、正丁醇50-80份、增塑剂10-20份、催干剂10-20份、阻燃剂20-40份、防腐剂10-20份；
(2)将防腐剂、正丁醇、粘结剂加入搅拌机中混合均匀，搅拌温度为50-70℃，搅拌时间为1-2h，得到混合乳液；
(3)将无机填料、增塑剂、催干剂、阻燃剂按照县粉料后液料的顺序依次加入到立式球磨机中，球磨0.5h后，得到混合物；
(4)将混合物加入到搅拌机中，再缓缓加入混合乳液，在搅拌机中以200r/min的速度搅拌混合0.5min，搅拌温度为50-70℃，保温1h后静置4h，即得到防火涂料。
2.如权利要求1所述的一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，所述无机填料为轻质碳酸钙、硅灰石，轻质碳酸钙、硅灰石的重量比为2:1。
3.如权利要求1所述的一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，所述催干剂为异辛酸钴、异辛酸铈，异辛酸钴、异辛酸铈的重量比为2:1。
4.如权利要求1所述的一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，所述防腐剂为三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水，三乙醇胺盐酸盐、1'3-双羟甲基脲、二丁基羟基甲苯、去离子水的重量比为5:2:5:50。
5.如权利要求1所述的一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，所述阻燃剂为十溴二苯乙烷、溴化环氧树脂、三聚氰胺中的一种或几种。
6.如权利要求1所述的一种用于高安全性托盘式电缆桥架的防火涂料，其特征在于，所述粘结剂为硅酸钠、硅酸钾、磷酸铝、呋喃树脂、卤化烯烃树脂、丁苯乳液中的一种或几种；所述增塑剂为有机磷酸酯、氧氯丙烷中的一种或两种。
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