CN112341737A - 一种阻燃隔音保温材料及其制备方法 - Google Patents
一种阻燃隔音保温材料及其制备方法 Download PDFInfo
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Abstract
本发明公开一种阻燃隔音保温材料及其制备方法,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121‑135份、热致性液晶高聚物70‑80份、油酸酰胺2‑4份、硬脂酸锂1‑3份、纳米氧化钕3‑5份、纳米氧化镨1‑4份、碳酸氢钠10‑13份、纳米三氧化二锑2‑5份、蒙脱土29‑37份、氧化铝纤维25‑40份、纳米二氧化钛5‑9份和纳米氧化锌10‑15份,该阻燃隔音保温材料具有出色的隔热效果。
Description
技术领域
本发明涉及一种阻燃隔音保温材料及其制备方法。
背景技术
保温材料一般是指热系数小于或等于0.12的材料。保温材料发展很快,在工业和建筑中采用良好的保温技术与材料,往往可以起到事半功倍的效果。
建筑物隔热保温是节约能源、改善居住环境和使用功能的一个重要方面。建筑能耗在人类整个能源消耗中所占比例一般在30-40%,绝大部分是采暖和空调的能耗,故建筑节能意义重大。
因此,研发出隔热性能更好的保温材料是本领域的研究人员一直致力研究的方向之一。
发明内容
本发明要解决的技术问题是提供一种具有出色的隔热效果的阻燃隔音保温材料。
为解决上述问题,本发明采用如下技术方案:
一种阻燃隔音保温材料,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121-135份、热致性液晶高聚物70-80份、油酸酰胺2-4份、硬脂酸锂1-3份、纳米氧化钕3-5份、纳米氧化镨1-4份、碳酸氢钠10-13份、纳米三氧化二锑2-5份、蒙脱土29-37份、氧化铝纤维25-40份、纳米二氧化钛5-9份和纳米氧化锌10-15份。
进一步的,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121份、热致性液晶高聚物70份、油酸酰胺2份、硬脂酸锂1份、纳米氧化钕3份、纳米氧化镨1份、碳酸氢钠10份、纳米三氧化二锑2份、蒙脱土29份、氧化铝纤维25份、纳米二氧化钛5份和纳米氧化锌10份。
进一步的,包括以下重量份数配比的原料:分散聚四氟乙烯树脂135份、热致性液晶高聚物80份、油酸酰胺4份、硬脂酸锂3份、纳米氧化钕5份、纳米氧化镨4份、碳酸氢钠13份、纳米三氧化二锑5份、蒙脱土37份、氧化铝纤维40份、纳米二氧化钛9份和纳米氧化锌15份。
进一步的,包括以下重量份数配比的原料:分散聚四氟乙烯树脂130份、热致性液晶高聚物75份、油酸酰胺3份、硬脂酸锂2份、纳米氧化钕4份、纳米氧化镨3份、碳酸氢钠12份、纳米三氧化二锑4份、蒙脱土35份、氧化铝纤维30份、纳米二氧化钛8份和纳米氧化锌14份。
本发明要解决的另一技术问题是提供一种阻燃隔音保温材料的制备方法,包括以下步骤:
1)将蒙脱土29-37份倒入到粉碎机中进行粉碎处理,将蒙脱土粉碎成纳米级,制得纳米蒙脱土,备用;
2)将分散聚四氟乙烯树脂121-135份、热致性液晶高聚物70-80份、油酸酰胺2-4份、硬脂酸锂1-3份、纳米氧化钕3-5份、纳米氧化镨1-4份、碳酸氢钠10-13份、纳米三氧化二锑2-5份、氧化铝纤维25-40份、纳米二氧化钛5-9份、纳米氧化锌10-15份和步骤1)制得的纳米蒙脱土一起倒入到搅拌机中进行搅拌出来,使得物料混合均匀,搅拌时,搅拌机内部温度控制在10-15℃,制得混合物料,备用;
3)将混合物料倒入到模具中,进行压缩模塑处理,其中压缩模塑处理时加热温度为340-350℃,施压压力为100-130Mpa,冷却,脱模,即得保温材料。
本发明的有益效果是:通过添加有热致性液晶高聚物对聚四氟乙烯树脂进行改性,能够有效的提升整体的耐磨性能和机械强度,同时添加有氧化铝纤维、纳米二氧化钛和纳米氧化锌,不仅够有效的提升整体的隔热效果,又能够提升整体的机械性能,而在制作过程中碳酸氢钠分解释放出二氧化碳,使得内部形成发泡结构,使得成品具有出色的隔热性能和良好的隔音效果。
以下是阻燃隔音保温材料的原料的特点或作用:
分散聚四氟乙烯树脂:具有优良的热稳定性、突出的化学惰性、优良的电气性能和低摩擦系数等卓越性能。
热致性液晶高聚物:具有较为独特的分子结构和热行为,它的分子由刚性棒状大分子链组成,受热熔融或被溶剂溶解后形成一种兼有固体和液体部分性质的液晶态。液晶聚合物的这种特殊相态结构,导致其具有如下特征:具有自增强效果;线膨胀系数小;耐热性优良;具有自阻燃性;熔体粘度低,流动性好;成型收缩率小;耐化学药品性好等,与分散聚四氟乙烯树脂复配形成合金具备极其出色的耐磨性能和机械性能。在不添加阻燃剂的情况下,热致性液晶聚合物材料对火焰具有自熄性。
油酸酰胺: 用作润滑剂和脱膜剂。
硬脂酸锂:主要用作高温润滑剂和稳定剂用作高温润滑剂、塑料工业稳定剂等。
纳米氧化钕:淡紫色固体粉末,作为添加剂。
纳米氧化镨:作为添加剂,在聚四氟乙烯中加入镨和钕,可明显提高PTFE的耐磨性能。
碳酸氢钠:固体在50℃以上开始逐渐分解生成碳酸钠、水和二氧化碳气体,作为发泡剂。
纳米三氧化二锑:用于白色颜料、油漆和塑料,起颜料和阻燃的作用。
蒙脱土:应用领域非常广泛,特别是通过无机和有机改性使其富有了许多独特的性能,应用领域更进一步扩大,被誉为“万能材料”,广泛用于有毒物的吸附剂、催化剂、涂层剂,尤其是聚合物-层状纳米复合材料,使聚合物力学性能、阻燃性能、热稳定性能的提高。蒙脱土与聚四氟乙烯对复合材料的燃烧滴落有明显的抑制作,力学性能变化不大。
氧化铝纤维:是当今国内外最新型的超轻质高温绝热材料之一,导热率、加热收缩率和热容都较低。
纳米二氧化钛:屏蔽紫外线作用强,有良好的分散性和耐候性。作为紫外线屏蔽剂,防止紫外线的侵害。
纳米氧化锌:使用广泛的物理防晒剂,屏蔽紫外线的原理为吸收和散射。
具体实施方式
下面对本发明的技术方案进行描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,对于本领域的技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些实施例获得其他的实施方式。
实施例1:
一种阻燃隔音保温材料,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121份、热致性液晶高聚物70份、油酸酰胺2份、硬脂酸锂1份、纳米氧化钕3份、纳米氧化镨1份、碳酸氢钠10份、纳米三氧化二锑2份、蒙脱土29份、氧化铝纤维25份、纳米二氧化钛5份和纳米氧化锌10份。
一种阻燃隔音保温材料的制备方法包括以下步骤:
1)将蒙脱土29份倒入到粉碎机中进行粉碎处理,将蒙脱土粉碎成纳米级,制得纳米蒙脱土,备用;
2)将分散聚四氟乙烯树脂121份、热致性液晶高聚物70份、油酸酰胺2份、硬脂酸锂1份、纳米氧化钕3份、纳米氧化镨1份、碳酸氢钠10份、纳米三氧化二锑2份、氧化铝纤维25份、纳米二氧化钛5份、纳米氧化锌10份和步骤1)制得的纳米蒙脱土一起倒入到搅拌机中进行搅拌出来,使得物料混合均匀,搅拌时,搅拌机内部温度控制在10℃,制得混合物料,备用;
3)将混合物料倒入到模具中,进行压缩模塑处理,其中压缩模塑处理时加热温度为340℃,施压压力为100Mpa,冷却,脱模,即得保温材料。
实施例2:
一种阻燃隔音保温材料,包括以下重量份数配比的原料:分散聚四氟乙烯树脂135份、热致性液晶高聚物80份、油酸酰胺4份、硬脂酸锂3份、纳米氧化钕5份、纳米氧化镨4份、碳酸氢钠13份、纳米三氧化二锑5份、蒙脱土37份、氧化铝纤维40份、纳米二氧化钛9份和纳米氧化锌15份。
一种阻燃隔音保温材料的制备方法,包括以下步骤:
1)将蒙脱土37份倒入到粉碎机中进行粉碎处理,将蒙脱土粉碎成纳米级,制得纳米蒙脱土,备用;
2)将分散聚四氟乙烯树脂135份、热致性液晶高聚物80份、油酸酰胺4份、硬脂酸锂3份、纳米氧化钕5份、纳米氧化镨4份、碳酸氢钠13份、纳米三氧化二锑5份、氧化铝纤维40份、纳米二氧化钛9份、纳米氧化锌15份和步骤1)制得的纳米蒙脱土一起倒入到搅拌机中进行搅拌出来,使得物料混合均匀,搅拌时,搅拌机内部温度控制在15℃,制得混合物料,备用;
3)将混合物料倒入到模具中,进行压缩模塑处理,其中压缩模塑处理时加热温度为350℃,施压压力为130Mpa,冷却,脱模,即得保温材料。
实施例3:
一种阻燃隔音保温材料,包括以下重量份数配比的原料:分散聚四氟乙烯树脂130份、热致性液晶高聚物75份、油酸酰胺3份、硬脂酸锂2份、纳米氧化钕4份、纳米氧化镨3份、碳酸氢钠12份、纳米三氧化二锑4份、蒙脱土35份、氧化铝纤维30份、纳米二氧化钛8份和纳米氧化锌14份。
一种阻燃隔音保温材料的制备方法,包括以下步骤:
1)将蒙脱土35份倒入到粉碎机中进行粉碎处理,将蒙脱土粉碎成纳米级,制得纳米蒙脱土,备用;
2)将分散聚四氟乙烯树脂130份、热致性液晶高聚物75份、油酸酰胺3份、硬脂酸锂2份、纳米氧化钕4份、纳米氧化镨3份、碳酸氢钠12份、纳米三氧化二锑8份、氧化铝纤维30份、纳米二氧化钛8份、纳米氧化锌14份和步骤1)制得的纳米蒙脱土一起倒入到搅拌机中进行搅拌出来,使得物料混合均匀,搅拌时,搅拌机内部温度控制在12℃,制得混合物料,备用;
3)将混合物料倒入到模具中,进行压缩模塑处理,其中压缩模塑处理时加热温度为345℃,施压压力为120Mpa,冷却,脱模,即得保温材料。
实验例:
对上述实施例1-3的保温材料进行了抗冲击强度、导热系数、阻燃等级的性能测试,测试标准分别为GB/T1843、GB/T10294-2008、GB8624-1997,具体结果如下表所示:
可以看出,实施例中的保温材料抗冲强度高、导热系数低并且阻燃等级均达到A级。
本发明的有益效果是:通过添加有热致性液晶高聚物对聚四氟乙烯树脂进行改性,能够有效的提升整体的耐磨性能和机械强度,同时添加有氧化铝纤维、纳米二氧化钛和纳米氧化锌,不仅够有效的提升整体的隔热效果,又能够提升整体的机械性能,而在制作过程中碳酸氢钠分解释放出二氧化碳,使得内部形成发泡结构,使得成品具有出色的隔热性能和良好的隔音效果。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。
Claims (5)
1.一种阻燃隔音保温材料,其特征在于,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121-135份、热致性液晶高聚物70-80份、油酸酰胺2-4份、硬脂酸锂1-3份、纳米氧化钕3-5份、纳米氧化镨1-4份、碳酸氢钠10-13份、纳米三氧化二锑2-5份、蒙脱土29-37份、氧化铝纤维25-40份、纳米二氧化钛5-9份和纳米氧化锌10-15份。
2.如权利要求1所述的一种阻燃隔音保温材料,其特征在于,包括以下重量份数配比的原料:分散聚四氟乙烯树脂121份、热致性液晶高聚物70份、油酸酰胺2份、硬脂酸锂1份、纳米氧化钕3份、纳米氧化镨1份、碳酸氢钠10份、纳米三氧化二锑2份、蒙脱土29份、氧化铝纤维25份、纳米二氧化钛5份和纳米氧化锌10份。
3.如权利要求1所述的一种阻燃隔音保温材料,其特征在于,包括以下重量份数配比的原料:分散聚四氟乙烯树脂135份、热致性液晶高聚物80份、油酸酰胺4份、硬脂酸锂3份、纳米氧化钕5份、纳米氧化镨4份、碳酸氢钠13份、纳米三氧化二锑5份、蒙脱土37份、氧化铝纤维40份、纳米二氧化钛9份和纳米氧化锌15份。
4.如权利要求1所述的一种阻燃隔音保温材料,其特征在于,包括以下重量份数配比的原料:分散聚四氟乙烯树脂130份、热致性液晶高聚物75份、油酸酰胺3份、硬脂酸锂2份、纳米氧化钕4份、纳米氧化镨3份、碳酸氢钠12份、纳米三氧化二锑4份、蒙脱土35份、氧化铝纤维30份、纳米二氧化钛8份和纳米氧化锌14份。
5.一种阻燃隔音保温材料的制备方法,其特征在于,包括以下步骤:
1)将蒙脱土29-37份倒入到粉碎机中进行粉碎处理,将蒙脱土粉碎成纳米级,制得纳米蒙脱土,备用;
2)将分散聚四氟乙烯树脂121-135份、热致性液晶高聚物70-80份、油酸酰胺2-4份、硬脂酸锂1-3份、纳米氧化钕3-5份、纳米氧化镨1-4份、碳酸氢钠10-13份、纳米三氧化二锑2-5份、氧化铝纤维25-40份、纳米二氧化钛5-9份、纳米氧化锌10-15份和步骤1)制得的纳米蒙脱土一起倒入到搅拌机中进行搅拌出来,使得物料混合均匀,搅拌时,搅拌机内部温度控制在10-15℃,制得混合物料,备用;
3)将混合物料倒入到模具中,进行压缩模塑处理,其中压缩模塑处理时加热温度为340-350℃,施压压力为100-130Mpa,冷却,脱模,即得保温材料。
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