CN107283944A - 一种阻燃玻镁板及其生产工艺 - Google Patents

一种阻燃玻镁板及其生产工艺 Download PDF

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CN107283944A
CN107283944A CN201710471084.0A CN201710471084A CN107283944A CN 107283944 A CN107283944 A CN 107283944A CN 201710471084 A CN201710471084 A CN 201710471084A CN 107283944 A CN107283944 A CN 107283944A
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刘伍
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Hefei Huilin Building Materials Co Ltd
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Abstract

本发明公开了一种阻燃玻镁板及其生产工艺，所述玻镁板包括如下重量份的原料：轻烧氧化镁60‑85份、无水硫酸镁30‑45份、六水氯化镁5‑10份、镁橄榄石粉8‑16份、十溴联苯醚1‑5份、轻质填充材料25‑38份、偶联剂2.5‑8份、抗水改性剂0.6‑1.8份、水50‑70份。本发明的玻镁板，以氧化镁、硫酸镁为主要成分，加入多种添加成分，既具有氯氧镁胶凝材料的快硬早强性质，耐水性能显著提高，抗折强度、阻燃保温性能，大大提高了该玻镁板的应用范围，适合作为室内的墙体和地板保温板材。

Description

一种阻燃玻镁板及其生产工艺
技术领域
本发明涉及建筑装饰材料领域，具体涉及一种阻燃玻镁板及其生产工艺。
背景技术
玻镁板是以镁成型剂、玻璃纤维网格布、填料等为原料，经机械滚压而成的一种装饰材料，主要用于室内非承重墙和吊顶，以及用于各类装饰板的基板。玻镁板氯氧镁凝胶材料行业的主导产品，它具有突出的防火性能，耐火极限可达到1-4h，具有优良的抗折、抗冲击、隔热、保温、抗腐蚀和低收缩性能，具有优于各类人造板材的综合性能。
现有技术中的玻镁板通常是以氧化镁和氯化镁为成型剂，为了使镁充分、快速凝结，氯化镁的含量不能太低，否则达不到使镁充分、快速凝结的目的。不但如此，现有技术中的玻镁板在抗折强度、抗冲击强度、干缩率、湿胀率、握螺钉力、不燃性等方面都很难同时达到国家或行业标准要求，以致于限制了玻镁板在实际生产中的使用。因此，建筑装饰材料行业需要一种阻燃性能优异、抗水能力较强的玻镁板。
发明内容
本发明的目的在于克服现有技术的不足，提供一种阻燃玻镁板及其生产工艺，该玻镁板具有优良的阻燃保温性能和抗水性能，适合作为室内的墙体和地板保温板材。
本发明解决技术问题采用如下技术方案：
本发明提供了一种阻燃玻镁板，包括如下重量份的原料：轻烧氧化镁60-85份、无水硫酸镁30-45份、六水氯化镁5-10份、镁橄榄石粉8-16份、十溴联苯醚1-5份、轻质填充材料25-38份、偶联剂2.5-8份、抗水改性剂0.6-1.8份、水50-70份。
优选地，所述轻质填充材料为锯末、秸秆、矿渣微粉、膨胀珍珠岩、中空玻璃微球的一种或几种的组合。
优选地，所述偶联剂为硅烷偶联剂、铝酸酯偶联剂、钛酸酯偶联剂中的一种或几种的组合
优选地，所述抗水改性剂为苯乙烯化苯酚、碳酸锆铵、二甲基二烯丙基氯化铵中的一种或几种的组合。
本发明还提供了上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、轻质填充材料、偶联剂、抗水改性剂，高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，送入成型机中辊压成型，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
优选地，所述步骤（2）高速搅拌的转速为800-1000r/min。
优选地，所述步骤（3）模具底部铺设无纺布后，还需在上面铺设一层中碱性玻纤布。
优选地，所述步骤（3）辊压成型的温度为35-45℃，压力为10-15Mpa。
与现有技术相比，本发明具有如下的有益效果：
（1）本发明的玻镁板，以氧化镁、硫酸镁为主要成分，加入多种添加成分，既具有氯氧镁胶凝材料的快硬早强性质，耐水性能显著提高，抗折强度、阻燃保温性能，大大提高了该玻镁板的应用范围，适合作为室内的墙体和地板保温板材。
（2）本发明的玻镁板，镁橄榄石粉具有耐高温、抗侵蚀、化学稳定好的优点；十溴联苯醚为高效添加型阻燃剂，大大提高了板材的阻燃性能；轻质填充材料如锯末、秸秆、矿渣微粉、膨胀珍珠岩、中空玻璃微球结构中含有疏松多孔的缝隙，质量较轻，且耐热阻燃，降低了板材的密度和导热系数；抗水改性剂进一步提高了憎水、防水性能。
具体实施方式
以下结合具体实施例对发明作进一步详细的描述。
实施例1.
一种阻燃玻镁板，包括如下重量份的原料：
轻烧氧化镁 62份；
无水硫酸镁 35份；
六水氯化镁 6份；
镁橄榄石粉 10份；
十溴联苯醚 2份；
秸秆 28份；
硅烷偶联剂 3.5份；
碳酸锆铵 0.9份；
水 52份。
上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、秸秆、硅烷偶联剂、碳酸锆铵，800-1000r/min速度高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，在上面铺设一层中碱性玻纤布，送入成型机中辊压成型，辊压成型的温度为35-45℃，压力为10-15Mpa，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
实施例2.
一种阻燃玻镁板，包括如下重量份的原料：
轻烧氧化镁 68份；
无水硫酸镁 35份；
六水氯化镁 6份；
镁橄榄石粉 10份；
十溴联苯醚 2份；
矿渣微粉 30份；
钛酸酯偶联剂 3.6份；
苯乙烯化苯酚 1.2份；
水 56份。
上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、矿渣微粉、钛酸酯偶联剂、苯乙烯化苯酚，800-1000r/min速度高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，在上面铺设一层中碱性玻纤布，送入成型机中辊压成型，辊压成型的温度为35-45℃，压力为10-15Mpa，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
实施例3.
一种阻燃玻镁板，包括如下重量份的原料：
轻烧氧化镁 75份；
无水硫酸镁 36份；
六水氯化镁 5份；
镁橄榄石粉 12份；
十溴联苯醚 3份；
膨胀珍珠岩 30份；
硅烷偶联剂 4.6份；
碳酸锆铵 1.5份；
水 58份。
上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、膨胀珍珠岩、硅烷偶联剂、碳酸锆铵，800-1000r/min速度高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，在上面铺设一层中碱性玻纤布，送入成型机中辊压成型，辊压成型的温度为35-45℃，压力为10-15Mpa，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
实施例4.
一种阻燃玻镁板，包括如下重量份的原料：
轻烧氧化镁 72份；
无水硫酸镁 38份；
六水氯化镁 8份；
镁橄榄石粉 10份；
十溴联苯醚 1份；
中空玻璃微球 28份；
钛酸酯偶联剂 4.6份；
二甲基二烯丙基氯化铵 1.5份；
水 62份。
上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、中空玻璃微球、钛酸酯偶联剂、二甲基二烯丙基氯化铵，800-1000r/min速度高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，在上面铺设一层中碱性玻纤布，送入成型机中辊压成型，辊压成型的温度为35-45℃，压力为10-15Mpa，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
实施例5.
一种阻燃玻镁板，包括如下重量份的原料：
轻烧氧化镁 76份；
无水硫酸镁 42份；
六水氯化镁 10份；
镁橄榄石粉 16份；
十溴联苯醚 5份；
锯末 36份；
铝酸酯偶联剂 7.8份；
二甲基二烯丙基氯化铵 1.8份；
水 70份。
上述阻燃玻镁板的生产工艺，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、锯末、铝酸酯偶联剂、二甲基二烯丙基氯化铵，800-1000r/min速度高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，在上面铺设一层中碱性玻纤布，送入成型机中辊压成型，辊压成型的温度为35-45℃，压力为10-15Mpa，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
实施例6.
对上述实施例1-5的玻镁板进行了抗折强度、抗冲击强度、导热系数、阻燃等级的性能测试，测试标准分别为JC 688-2006、JC 688-2006、GB/T 10294、GB8624-1997，具体结果见下表。
本发明的玻镁板抗折强度、抗冲击强度优良，导热系数较低，具有隔热保温的效果，且阻燃等级额均为A级，符合阻燃的高标准要求。
以上所述仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (8)

1.一种阻燃玻镁板，其特征在于，包括如下重量份的原料：轻烧氧化镁60-85份、无水硫酸镁30-45份、六水氯化镁5-10份、镁橄榄石粉8-16份、十溴联苯醚1-5份、轻质填充材料25-38份、偶联剂2.5-8份、抗水改性剂0.6-1.8份、水50-70份。
2.根据权利要求1所述的阻燃玻镁板，其特征在于，所述轻质填充材料为锯末、秸秆、矿渣微粉、膨胀珍珠岩、中空玻璃微球的一种或几种的组合。
3.根据权利要求1所述的阻燃玻镁板，其特征在于，所述偶联剂为硅烷偶联剂、铝酸酯偶联剂、钛酸酯偶联剂中的一种或几种的组合。
4.根据权利要求1所述的阻燃玻镁板，其特征在于，所述抗水改性剂为苯乙烯化苯酚、碳酸锆铵、二甲基二烯丙基氯化铵中的一种或几种的组合。
5.一种根据权利要求1-4任意一项所述的阻燃玻镁板的生产工艺，其特征在于，包括如下步骤：
（1）将轻烧氧化镁、无水硫酸镁、镁橄榄石粉加入搅拌机中混合均匀，经过磨粉机磨粉得到混合物料a；
（2）将六水氯化镁与水混合，30-40℃搅拌5-10分钟后，加入混合物料a，升温至50-60℃，再加入十溴联苯醚、轻质填充材料、偶联剂、抗水改性剂，高速搅拌20-30分钟，静置冷却至室温，得到粘稠状物料b；
（3）将粘稠状物料b倒入模具中，模具底部铺设有一层无纺布，送入成型机中辊压成型，在模具顶部再铺设一层无纺布；
（4）成型的板材放在常温下自然晾干，再经自然养护10-20小时后，按照尺寸切割、裁边得到该玻镁板。
6.根据权利要求5所述的阻燃玻镁板的生产工艺，其特征在于，所述步骤（2）高速搅拌的转速为800-1000r/min。
7.根据权利要求5所述的阻燃玻镁板的生产工艺，其特征在于，所述步骤（3）模具底部铺设无纺布后，还需在上面铺设一层中碱性玻纤布。
8.根据权利要求5所述的阻燃玻镁板的生产工艺，其特征在于，所述步骤（3）辊压成型的温度为35-45℃，压力为10-15Mpa。
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