CN108859302B - A2级防火铜复合板及其生产方法 - Google Patents

A2级防火铜复合板及其生产方法 Download PDF

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CN108859302B
CN108859302B CN201810648876.5A CN201810648876A CN108859302B CN 108859302 B CN108859302 B CN 108859302B CN 201810648876 A CN201810648876 A CN 201810648876A CN 108859302 B CN108859302 B CN 108859302B
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陈宏彪
朱立明
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Zhejiang Aluupow New Material Technology Co ltd
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Abstract

本发明公开了一种A2级防火铜复合板，包括芯材，所述芯材的表面通过高分子膜黏合有铜板，所述芯材与铜板的黏合面为波纹面，所述芯材按重量份包括80‑95份碳酸钙、100‑120份氢氧化镁、70‑80份硅粉、50‑60份高铝矾土、15‑20份石墨烯、10‑15份珍珠岩、50‑60份氧化钛、20‑30份重晶石粉、5‑15份丙纶短纤维、1‑2份玻璃纤维、50‑65份碳化硅、60‑80份氢氧化铝、10‑20份钼酸锌、130‑145份丙烯酸乳胶、10‑15份耐高温粉末。本发明得到的A2级防火铜复合板，在芯材的表面通过高分子膜黏合有铜板，其中芯材与铜板的黏合面为波纹面，提高了芯材与铜板的剥离强度。

Description

A2级防火铜复合板及其生产方法
技术领域
本发明涉及一种铜复合板，特别是A2级防火铜复合板及其生产方法。
背景技术
随着近几年国内大型火灾事故的频繁发生，国家对于高层建筑所使用材料的防火性能提出了越来越高的要求，传统铝塑板由于防火等级只能达到B级，在高压、放热、放电等条件下极易引起火灾，越来越暴露出本身的局限。
防火铝复合板是一种新型不燃产品，表面为铝合金，中间芯材为天然无机材料，板结构采用特殊高分子膜粘结，加热固化，通过先进的工艺使其达到完美结合，提高板材优秀的力学性能，有韧性，耐冲击、抗压强度高，从而形成一种外观时尚、性能优越、施工方便的新一代室内外装饰材料。但是铝复合板往往是依靠表面涂饰油漆来搏取色彩，防火性能差，且芯材与铝合金的剥离强度不高，造成了使用寿命短，抗氧化耐腐蚀的能力不佳。
发明内容
本发明的目的是为了解决上述现有技术的不足而提供一种A2级防火铜复合板及其生产方法，可以使得芯材硬度和剥离强度增强，密度增加，并提高防火强度。
为了实现上述目的，本发明所设计的一种A2级防火铜复合板，包括芯材，所述芯材的表面通过高分子膜黏合有铜板，所述芯材与铜板的黏合面为波纹面，所述芯材按重量份包括80-95份碳酸钙、100-120份氢氧化镁、70-80份硅粉、50-60份高铝矾土、15-20份石墨烯、10-15份珍珠岩、50-60份氧化钛、20-30份重晶石粉、5-15份丙纶短纤维、1-2份玻璃纤维、50-65份碳化硅、60-80份氢氧化铝、10-20份钼酸锌、130-145份丙烯酸乳胶、10-15份耐高温粉末，所述耐高温粉末按重量份包括50-60份氧化铝、20-30份氮化硼、1-5份稀土镧、15-20份硅化锆以及5-10份石墨。
所述高分子膜按重量份包括90-95份EVA、20-30份PMMA、1-5份阻燃剂、2-5份钛白粉、5-10份增粘剂、1-2份抗氧剂、3-8份氢化松香树脂；所述阻燃剂为三氧化二锑或氢氧化镁或氢氧化铝中的一种或几种；
所述铜板按重量份包括65-68份铜、18-20份镍、3-5份锡、2-5份锌、0.5-1份铌、1-2份钼以及2-5份钒，同时在铜板的表面涂覆有耐污涂层，所述耐污涂层按重量份包括50-65份 PVDF树脂、20-30份热塑性丙烯酸树脂、2-5份氧化锆、5-15份颜料、1-2份PTFE微粉、1-5份流平剂。
本发明还公开了一种A2级防火铜复合板的生产方法，包括以下步骤：
步骤一，制备芯材，先将50-60份氧化铝、20-30份氮化硼、1-5份稀土镧、15-20份硅化锆以及5-10份石墨混合均匀，制得耐高温粉末，然后将80-95份碳酸钙、100-120份氢氧化镁、70-80份硅粉、50-60份高铝矾土、15-20份石墨烯、10-15份珍珠岩、50-60份氧化钛、20-30份重晶石粉、5-15份丙纶短纤维、1-2份玻璃纤维、50-65份碳化硅、60-80份氢氧化铝、10-20份钼酸锌、130-145份丙烯酸乳胶、10-15份耐高温粉末称重后投入到混合机中进行混合，然后将混合均匀的原料注入模具中并烘干，至原料中含水量控制在0.5%以下，再将表面刮平；将模具置于压制机中进行挤压成型，将压制成型的芯材从模具中抽出，在芯材的表面包覆一层无纺布即可得到芯材，所述芯材的表面为波纹面；
步骤二，制备高分子膜，将90-95份EVA、20-30份PMMA、1-5份阻燃剂、2-5份钛白粉、5-10份增粘剂、1-2份抗氧剂、3-8份氢化松香树脂混合后经过螺杆造粒机造粒，然后经过螺杆挤出机挤出后经压延机压延成型，制作出高分子膜；
步骤三：制备防火铜复合板，首先通过送料辊输送芯材，同时用加热机构对芯材进行预加热，然后通过复合辊轴在芯材的上下两面依次复合上高分子膜和铜板，其中铜板与高分子膜贴合的一面设有与芯材配合的波纹面，最后通过压合辊轴进行巩固压合，并冷却定型即得防火铜复合板。
本发明得到的A2级防火铜复合板，在芯材的表面通过高分子膜黏合有铜板，其中芯材与铜板的黏合面为波纹面，提高了芯材与铜板的剥离强度。同时通过复合辊轴依次对芯材、高分子膜、铜板进行压合，使高分子膜与铜板之间无空气残留，使芯材和铜板复合。
附图说明
图1是实施例1的A2级防火铜复合板的结构示意图。
图中：芯材1、高分子膜2、铜板3、波纹面4。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
实施例1：
如图1所示，本实施例提供的一种A2级防火铜复合板，包括芯材1，所述芯材1的表面通过高分子膜2黏合有铜板3，所述芯材1与铜板3的黏合面为波纹面44，所述芯材1按重量份包括80份碳酸钙、100份氢氧化镁、70份硅粉、50份高铝矾土、15份石墨烯、10份珍珠岩、50份氧化钛、20份重晶石粉、5份丙纶短纤维、1份玻璃纤维、50份碳化硅、60份氢氧化铝、10份钼酸锌、130份丙烯酸乳胶、10份耐高温粉末，所述耐高温粉末按重量份包括50份氧化铝、20份氮化硼、1份稀土镧、15份硅化锆以及5份石墨。
所述高分子膜2按重量份包括90份EVA、20份PMMA、1份阻燃剂、2份钛白粉、5份增粘剂、1份抗氧剂、3份氢化松香树脂；
所述铜板3按重量份包括65份铜、18份镍、3锡、2份锌、0.5份铌、1份钼以及2份钒，同时在铜板3的表面涂覆有耐污涂层，所述耐污涂层按重量份包括50份 PVDF树脂、20份热塑性丙烯酸树脂、2份氧化锆、5份颜料、1份PTFE微粉、1份流平剂。
所述阻燃剂为三氧化二锑或氢氧化镁或氢氧化铝中的一种或几种。
上述A2级防火铜复合板的生产方法，包括以下步骤：
步骤一，制备芯材1，先将50份氧化铝、20份氮化硼、1份稀土镧、15份硅化锆以及5份石墨混合均匀，制得耐高温粉末，然后将80份碳酸钙、100份氢氧化镁、70份硅粉、50份高铝矾土、15份石墨烯、10份珍珠岩、50份氧化钛、20份重晶石粉、5份丙纶短纤维、1份玻璃纤维、50份碳化硅、60份氢氧化铝、10份钼酸锌、130份丙烯酸乳胶、10份耐高温粉末称重后投入到混合机中进行混合，然后将混合均匀的原料注入模具中并烘干，至原料中含水量控制在0.5%以下，再将表面刮平；将模具置于压制机中进行挤压成型，将压制成型的芯材1从模具中抽出，在芯材1的表面包覆一层无纺布即可得到芯材1，所述芯材1的表面为波纹面4；
步骤二，制备高分子膜2，将90份EVA、20份PMMA、1份阻燃剂、2份钛白粉、5份增粘剂、1份抗氧剂、3份氢化松香树脂混合后经过螺杆造粒机造粒，然后经过螺杆挤出机挤出后经压延机压延成型，制作出高分子膜2；
步骤三：制备防火铜复合板，首先通过送料辊输送芯材1，同时用加热机构对芯材1进行预加热，然后通过复合辊轴在芯材1的上下两面依次复合上高分子膜2和铜板3，其中铜板3与高分子膜2贴合的一面设有与芯材1配合的波纹面4，最后通过压合辊轴进行巩固压合，并冷却定型即得防火铜复合板。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。
实施例2：
本实施例提供的一种A2级防火铜复合板，其大体结构与实施例1相同，其主要区别特征在于所述芯材1按重量份包括95份碳酸钙、120份氢氧化镁、80份硅粉、60份高铝矾土、20份石墨烯、15份珍珠岩、60份氧化钛、30份重晶石粉、15份丙纶短纤维、2份玻璃纤维、65份碳化硅、80份氢氧化铝、20份钼酸锌、145份丙烯酸乳胶、15份耐高温粉末。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。
实施例3：
本实施例提供的一种A2级防火铜复合板，其大体结构与实施例1相同，其主要区别特征在于所述高分子膜2按重量份包括95份EVA、30份PMMA、5份阻燃剂、5份钛白粉、10份增粘剂、2份抗氧剂、8份氢化松香树脂。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。
实施例4：
本实施例提供的一种A2级防火铜复合板，其大体结构与实施例1相同，其主要区别特征在于所述铜板3按重量份包括68份铜、20份镍、5份锡、2-5份锌、1份铌、2份钼以及5份钒。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。
实施例5：
本实施例提供的一种A2级防火铜复合板，其大体结构与实施例1相同，其主要区别特征在于所述耐高温粉末按重量份包括60份氧化铝、30份氮化硼、5份稀土镧、20份硅化锆以及10份石墨。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。
实施例6：
本实施例提供的一种A2级防火铜复合板，其大体结构与实施例1相同，其主要区别特征在于所述耐污涂层按重量份包括65份 PVDF树脂、30份热塑性丙烯酸树脂、5份氧化锆、15份颜料、2份PTFE微粉、5份流平剂。
将上述实施例制得的防火铜复合板进行检测，其导热系数是为0.31W/m.K，剥离强度为10N/mm，抗拉强度为55Mpa。防火性能按照GB 8624-2006判定，其燃烧性能达到A2级，具体为燃烧增长速率指数为10W/s，600s内总热释放量为1.2MJ，600s内总产烟量为22m2，600s内无燃烧滴落物。
同时防火铜复合板的耐污涂层的耐污性为3.8%，耐磨损、耐腐蚀性能好。

Claims (1)

1.一种A2级防火铜复合板的生产方法，其中所述A2级防火铜复合板包括芯材，所述芯材的表面通过高分子膜黏合有铜板，所述芯材与铜板的黏合面为波纹面，所述芯材按重量份包括80-95份碳酸钙、100-120份氢氧化镁、70-80份硅粉、50-60份高铝矾土、15-20份石墨烯、10-15份珍珠岩、50-60份氧化钛、20-30份重晶石粉、5-15份丙纶短纤维、1-2份玻璃纤维、50-65份碳化硅、60-80份氢氧化铝、10-20份钼酸锌、130-145份丙烯酸乳胶、10-15份耐高温粉末，所述耐高温粉末按重量份包括50-60份氧化铝、20-30份氮化硼、1-5份稀土镧、15-20份硅化锆以及5-10份石墨；
所述高分子膜按重量份包括90-95份EVA、20-30份PMMA、1-5份阻燃剂、2-5份钛白粉、5-10份增粘剂、1-2份抗氧剂、3-8份氢化松香树脂；所述阻燃剂为三氧化二锑、氢氧化镁、氢氧化铝中的一种或多种；所述铜板按重量份包括65-68份铜、18-20份镍、3-5份锡、2-5份锌、0.5-1份铌、1-2份钼以及2-5份钒，同时在铜板的表面涂覆有耐污涂层，所述耐污涂层按重量份包括50-65份 PVDF树脂、20-30份热塑性丙烯酸树脂、2-5份氧化锆、5-15份颜料、1-2份PTFE微粉、1-5份流平剂；
其中上述A2级防火铜复合板的生产方法，包括以下步骤：步骤一，制备芯材，先将50-60份氧化铝、20-30份氮化硼、1-5份稀土镧、15-20份硅化锆以及5-10份石墨混合均匀，制得耐高温粉末，然后将80-95份碳酸钙、100-120份氢氧化镁、70-80份硅粉、50-60份高铝矾土、15-20份石墨烯、10-15份珍珠岩、50-60份氧化钛、20-30份重晶石粉、5-15份丙纶短纤维、1-2份玻璃纤维、50-65份碳化硅、60-80份氢氧化铝、10-20份钼酸锌、130-145份丙烯酸乳胶、10-15份耐高温粉末称重后投入到混合机中进行混合，然后将混合均匀的原料注入模具中并烘干，至原料中含水量控制在0.5%以下，再将表面刮平；将模具置于压制机中进行挤压成型，将压制成型的芯材从模具中抽出，在芯材的表面包覆一层无纺布即可得到芯材，所述芯材的表面为波纹面；步骤二，制备高分子膜，将90-95份EVA、20-30份PMMA、1-5份阻燃剂、2-5份钛白粉、5-10份增粘剂、1-2份抗氧剂、3-8份氢化松香树脂混合后经过螺杆造粒机造粒，然后经过螺杆挤出机挤出后经压延机压延成型，制作出高分子膜；步骤三：制备防火铜复合板，首先通过送料辊输送芯材，同时用加热机构对芯材进行预加热，然后通过复合辊轴在芯材的上下两面依次复合上高分子膜和铜板，其中铜板与高分子膜贴合的一面设有与芯材配合的波纹面，最后通过压合辊轴进行巩固压合，并冷却定型即得防火铜复合板。
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