CN106496874A - 改性粉煤灰填充pvc发泡建筑材料及其模板 - Google Patents
改性粉煤灰填充pvc发泡建筑材料及其模板 Download PDFInfo
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Abstract
本发明公开一种改性粉煤灰填充PVC发泡建筑材料及其模板。PVC发泡建筑材料按重量比包括如下配方:PVC100份、改性的粉煤灰20~60份、热稳定剂3.8~4份、发泡调节剂7~8份、发泡剂0.5~1份、内润滑剂0.1~0.5份、外润滑剂0.5~1.5份、高温塑化剂0.4~0.6份、增强剂1~2份。本发明充分利用粉煤灰,与PVC材料复合,制作建筑模板,以替代木模板、竹模板以及钢模板,借助建筑模板的广泛市场,实现废弃物的循环使用,达到低成本、高利用、环境友好的目的。
Description
技术领域
本发明涉及一种建筑模板复合材料,特别涉及一种改性粉煤灰填充PVC发泡建筑材料及其模板。
背景技术
PVC材料即聚氯乙烯,它是世界上产量最大的塑料产品之一,价格便宜,PVC中含有氯原子,其阻燃性能要优于聚乙烯、聚丙烯等塑料,因此PVC可用作建筑材料。粉煤灰使热电厂所排放出来的废渣,随着电力工业的发展,燃煤电厂的粉煤灰排放量逐年增加。从2001年到2013年,产生量增长了3.1倍,2015年排放量达6.2亿吨。粉煤灰的处理和利用问题引起人们广泛的注意。
发明内容
基于以上不足之处,本发明的目的在于提供一种改性粉煤灰填充PVC发泡建筑材料及其模板,本发明将充分利用粉煤灰,与PVC材料复合,制作建筑模板,以替代木模板、竹模板以及钢模板,实现废弃物的循环使用,达到低成本、高利用、环境友好的目的。
本发明所采用的技术如下:一种改性粉煤灰填充PVC发泡建筑材料,按重量比,配方包括如下:
PVC100份、改性的粉煤灰20~60份、热稳定剂3.8~4份、发泡调节剂7~8份、发泡剂0.5~1份、内润滑剂0.1~0.5份、外润滑剂0.5~1.5份、高温塑化剂0.4~0.6份、增强剂1~2份。
本发明还具有如下技术特征:
1、一种种改性粉煤灰填充PVC发泡建筑材料,其优选配方,按重量比如下:
PVC100份、改性的粉煤灰40份、热稳定剂3.8份、发泡调节剂7份、发泡剂0.7份、内润滑剂0.3份、外润滑剂1份、高温塑化剂0.5份、增强剂1.5份。
2、如上所述的PVC为SG5型;热稳定剂为铅盐复合稳定剂;发泡调节剂为ZB-750。
3、所述的发泡剂包括AC发泡剂和NC发泡剂,按重量配比为1:3。
4、如上所述的内润滑剂为多元醇脂肪酸酯,外润滑剂为聚乙烯蜡,高温塑化剂为氧化聚乙烯蜡OA6。
5、如上所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。
6、一种建筑材料模板包括如上所述的改性粉煤灰填充PVC发泡建筑材料。
7、如上所述的改性的牡蛎壳粉的制备方法包括如下步骤:
步骤一、采用硅烷偶联剂,用量为粉煤灰质量的0.1%~1%,采用乙醇对硅烷偶联剂进行稀释处理,硅烷偶联剂:乙醇的质量比为=1:4~1:5;
步骤二、将粉煤灰放入V型固体搅拌机搅拌均匀,加热至50℃后将稀释后的硅烷偶联剂进行喷淋,喷淋时间为10~20分钟,然后升温至90℃;
步骤三、喷入硅烷偶联剂质量5%~8%的水,搅拌20分钟,再升温至105℃~110℃,持续30分钟;
步骤四、加入润滑剂,搅拌1小时后,升温至120℃烘干1小时。
8、如上所述的步骤一中,硅烷偶联剂为KH550,纯度为98%。
9、如上所述的步骤四中,采用的润滑剂为粉煤灰质量0.5%~1%的硬脂酸。
本发明充分利用了粉煤灰这一工业废渣资源,使得建筑材料模板的性能及经济性有了较大程度的提高,以粉煤灰为循环利用原料,节能环保,能够代替碳酸钙等填料,降低经济成本。所生产的建筑材料模板具有质轻、耐中等酸碱腐蚀、机械性能好等优点。同时可以回收再利用,绿色环保,节约经济成本。
具体实施方式
下面举例对本发明做进一步说明:
实施例1
一种改性粉煤灰填充PVC发泡建筑材料,按重量比,配方包括如下:PVC100份、改性的粉煤灰20份、热稳定剂3.8份、发泡调节剂7份、发泡剂0.5份、内润滑剂0.1份、外润滑剂0.5份、高温塑化剂0.4份、增强剂1份。所述的PVC为SG5型;热稳定剂为铅盐复合稳定剂;发泡调节剂为ZB-750。所述的发泡剂包括AC发泡剂和NC发泡剂,按重量配比为1:3。所述的内润滑剂为多元醇脂肪酸酯,外润滑剂为聚乙烯蜡,高温塑化剂为氧化聚乙烯蜡OA6。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。所述的增强剂为公开号CN105086201A文献中所发明的增强剂。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。将如上配方加入高速混合机混合,当温度达到110℃时转入冷混机,温度下降至50℃后。将混合料投入双螺杆挤出机,经模具成型后,定型冷却、牵引、切割成型,制得牡蛎壳粉填充PVC发泡建筑模板。
实施例2
一种改性粉煤灰填充PVC发泡建筑材料,按重量比,配方包括如下:PVC100份、改性的粉煤灰60份、热稳定剂4份、发泡调节剂8份、发泡剂1份、内润滑剂0.5份、外润滑剂1.5份、高温塑化剂0.6份、增强剂2份。所述的PVC为SG5型;热稳定剂为铅盐复合稳定剂;发泡调节剂为ZB-750。所述的发泡剂包括AC发泡剂和NC发泡剂,按重量配比为1:3。所述的内润滑剂为多元醇脂肪酸酯,外润滑剂为聚乙烯蜡,高温塑化剂为氧化聚乙烯蜡OA6。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。所述的增强剂为公开号CN105086201A文献中所发明的增强剂。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。将如上配方加入高速混合机混合,当温度达到110℃时转入冷混机,温度下降至50℃后。将混合料投入双螺杆挤出机,经模具成型后,定型冷却、牵引、切割成型,制得牡蛎壳粉填充PVC发泡建筑模板。
实施例3
一种改性的牡蛎壳粉填充PVC发泡建筑材料,配方按重量比如下:PVC100份、改性的粉煤灰40份、热稳定剂3.8份、发泡调节剂7份、发泡剂0.7份、内润滑剂0.3份、外润滑剂1份、高温塑化剂0.5份、增强剂1.5份。所述的PVC为SG5型;热稳定剂为铅盐复合稳定剂;发泡调节剂为ZB-750。所述的发泡剂包括AC发泡剂和NC发泡剂,按重量配比为1:3。所述的内润滑剂为多元醇脂肪酸酯,外润滑剂为聚乙烯蜡,高温塑化剂为氧化聚乙烯蜡OA6。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。所述的增强剂为公开号CN105086201A文献中所发明的增强剂。所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。将如上配方加入高速混合机混合,当温度达到110℃时转入冷混机,温度下降至50℃后。将混合料投入双螺杆挤出机,经模具成型后,定型冷却、牵引、切割成型,制得牡蛎壳粉填充PVC发泡建筑模板。
实施例4
一种改性的粉煤灰的活化处理包括如下步骤:
步骤一、采用硅烷偶联剂为KH550,纯度为98%,用量为粉煤灰质量的0.1%,采用乙醇对硅烷偶联剂进行稀释处理,硅烷偶联剂:乙醇的质量比为=1:1;
步骤二、将粉煤灰放入V型固体搅拌机搅拌均匀,加热至50℃后将稀释后的硅烷偶联剂进行喷淋,喷淋时间为10分钟,然后升温至90℃;
步骤三、喷入硅烷偶联剂质量5%的水,搅拌20分钟,再升温至105℃,持续30分钟;
步骤四、加入为粉煤灰质量0.5%的硬脂酸,搅拌1小时后,升温至120℃烘干1小时。
实施例5
一种改性的粉煤灰的活化处理包括如下步骤:
步骤一、采用硅烷偶联剂为KH550,纯度为98%,用量为粉煤灰质量的1%,采用乙醇对硅烷偶联剂进行稀释处理,硅烷偶联剂:乙醇的质量比为=4:5;
步骤二、将粉煤灰放入V型固体搅拌机搅拌均匀,加热至50℃后将稀释后的硅烷偶联剂进行喷淋,喷淋时间为20分钟,然后升温至90℃;
步骤三、喷入硅烷偶联剂质量8%的水,搅拌20分钟,再升温至110℃,持续30分钟;
步骤四、加入为粉煤灰质量01%的硬脂酸,搅拌1小时后,升温至120℃烘干1小时。
Claims (10)
1.一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,按重量比,配方包括如下:
PVC100份、改性的粉煤灰20~60份、热稳定剂3.8~4份、发泡调节剂7~8份、发泡剂0.5~1份、内润滑剂0.1~0.5份、外润滑剂0.5~1.5份、高温塑化剂0.4~0.6份、增强剂1~2份。
2.根据权利要求1所述的一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,按重量比,配方包括如下:
PVC100份、改性的粉煤灰40份、热稳定剂3.8份、发泡调节剂7份、发泡剂0.7份、内润滑剂0.3份、外润滑剂1份、高温塑化剂0.5份、增强剂1.5份。
3.根据权利要求1或2所述的一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,所述的PVC为SG5型;热稳定剂为铅盐复合稳定剂;发泡调节剂为ZB-750。
4.根据权利要求1或2所述的一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,所述的发泡剂包括AC发泡剂和NC发泡剂,按重量配比为1:3。
5.根据权利要求1或2所述的一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,所述的内润滑剂为多元醇脂肪酸酯,外润滑剂为聚乙烯蜡,高温塑化剂为氧化聚乙烯蜡OA6。
6.根据权利要求1或2所述的改性粉煤灰填充PVC发泡建筑模板,其特征在于:
所述的改性的粉煤灰粒径15微米,采用硅烷偶联剂进行活化处理,活化后增加与树脂间的亲和力。
7.一种建筑材料模板包括如权利要求1-2所述的改性粉煤灰填充PVC发泡建筑材料。
8.根据权利要求1或2所述的一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,所述的改性的粉煤灰的活化处理包括如下步骤:
步骤一、采用硅烷偶联剂,用量为粉煤灰质量的0.1%~1%,采用乙醇对硅烷偶联剂进行稀释处理,硅烷偶联剂:乙醇的质量比为=1:4~1:5;
步骤二、将粉煤灰放入V型固体搅拌机搅拌均匀,加热至50℃后将稀释后的硅烷偶联剂进行喷淋,喷淋时间为10~20分钟,然后升温至90℃;
步骤三、喷入硅烷偶联剂质量5%~8%的水,搅拌20分钟,再升温至105℃~110℃,持续30分钟;
步骤四、加入润滑剂,搅拌1小时后,升温至120℃烘干1小时。
9.根据权利要求8所述一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,步骤一中,硅烷偶联剂为KH550,纯度为98%。
10.根据权利要求8所述一种改性粉煤灰填充PVC发泡建筑材料,其特征在于,步骤四中,采用的润滑剂为粉煤灰质量0.5%~1%的硬脂酸。
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