CN106188940A - 一种新型的聚氯乙烯（pvc）瓦及其制备方法 - Google Patents

一种新型的聚氯乙烯（pvc）瓦及其制备方法 Download PDF

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CN106188940A
CN106188940A CN201610553927.7A CN201610553927A CN106188940A CN 106188940 A CN106188940 A CN 106188940A CN 201610553927 A CN201610553927 A CN 201610553927A CN 106188940 A CN106188940 A CN 106188940A
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pvc
watt
polrvinyl chloride
foaming agent
resin
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杨先刚
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WUXI TIANJU TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种新型的聚氯乙烯（PVC）瓦及其制备方法，PVC瓦的中间部位为下凹圆弧，即“波浪形”，以利于房顶的排水。其制备方法即首先制备PVC复合板材，同时在板材上表面共挤抗紫外树脂面层，配方包括如下组份：聚氯乙烯（PVC）、发泡剂、生物基材料或无机填料、MBS树脂、无机阻燃剂、抗紫外树脂。本发明PVC瓦，在保证遮阳、挡雨的前提下，阻燃性能、轻量化、隔音、美观、防老化、保温等性能均有所提升，可降低成本且符合可持续发展的环保需求，制备方法简单、易实现产业化。且安装便捷、工期短可广泛用于各种建筑的顶面安装。

Description

一种新型的聚氯乙烯（PVC）瓦及其制备方法
技术领域
本发明涉及建筑材料领域，尤其涉及一种新型的聚氯乙烯（PVC）瓦及其制备方法。
背景技术
传统的房顶都是由砖瓦材料铺设，而砖瓦较脆易受损，且长时间的使用砖瓦材料容易被腐蚀，影响屋顶的遮风挡雨。因此，目前涌现出了石棉瓦、树脂瓦、彩钢瓦等材质的瓦
本发明涉及一种新型的聚氯乙烯（PVC）瓦及其制备方法，以丰富人们对于屋顶瓦材质的选择，且该PVC屋顶瓦的阻燃、保温、隔音、环保、美观、抗紫外等方面都有一定提升，且安装便捷、工期短可广泛用于各种建筑的顶面安装。
发明内容
有鉴于此，本发明的目的在于提供一种能有效应用于建筑屋顶的PVC瓦；
基于上述目的，本发明制备的PVC瓦，由以下原料按照各自重量份配比组成：聚氯乙烯（PVC）100份，生物基材料或无机填料 5~80份，发泡剂0~8份，无机阻燃剂5~50份，MBS树脂1~10份。其共挤面层为抗紫外树脂；
优选的，所述的生物基材料或无机填料为木粉、竹粉、秸秆粉、碳酸钙等生物基材料或无机填料；
优选的，所述的发泡剂为偶氮化合物、N-亚硝基化合物、酰肼类化合物以及复配发泡剂等工业生产中常见的发泡剂；
优选的，所述的抗紫外树脂面层为丙烯腈-苯乙烯-丙烯酸橡胶(ASA)、聚甲基丙烯酸甲酯（PMMA）等抗紫外树脂；
优选的，所述的无机阻燃剂为氢氧化镁、氢氧化铝等阻燃剂中的一种或多种复配；
为解决上述技术问题，本发明提出了如下技术方案，其包括如下步骤：步骤一：按既定用量称取各原料，即聚氯乙烯100质量份、发泡剂0~8质量份、生物基材料或无机填料5~80份、无机阻燃剂5~50份、MBS树脂1~10份；步骤二：将称取的聚氯乙烯、发泡剂、生物基材料或无机填料、无机阻燃剂、MBS树脂置于高速混合机中混合；步骤三：步骤二中混合后的物料于双螺杆板材挤出机中挤出实心或中空波浪形板材，并共挤出抗紫外树脂面层，裁剪收边；
从上面所述可以看出，根据本发明提供的制备PVC瓦的配方及制备方法所获得的PVC瓦，在保证其美观性能的同时，能够降低成本，增强抗紫外、保温、隔音、阻燃等性能，顺应可持续发展的趋势。此外，微量或者少量的功能性助剂，例如增塑剂、抗氧剂、着色剂、热稳定剂等不会影响该PVC瓦的基本工艺及性能；
附图说明：
图1为PVC实心瓦横断面示意图；
图中：1为PVC实心基板；2为抗紫外树脂面层；
图2为PVC中空瓦横断面示意图；
图中：1为PVC中空基板；2为抗紫外树脂面层。
具体实施方式
实施例1
称取聚氯乙烯10Kg、木粉5Kg、AC发泡剂0.3Kg、镁粉2kg、MBS树脂1kg在高速混合机中共混。将混合后的样品通过板材挤出机挤出波浪形板材，并共挤出0.8mm面层ASA。即得长5m、宽1m的PVC实心瓦；
实施例2
称取聚氯乙烯10Kg、木粉2Kg、DPT发泡剂0.8Kg、氢氧化铝3kg、MBS树脂0.5kg在高速混合机中共混。将混合后的样品通过板材挤出机挤出波浪形板材，并共挤出2mm面层PMMA。即得长6m、宽3m的PVC中空瓦；
实施例3
称取聚氯乙烯20Kg、秸秆粉3Kg、AC发泡剂0.4Kg、镁粉1kg、MBS树脂1kg在高速混合机中共混。将混合后的样品通过板材挤出机挤出波浪形板材，并共挤出0.5mm面层ASA。即得长4m、宽2m的PVC实心瓦；
实施例4
称取聚氯乙烯5Kg、碳酸钙3Kg、AES发泡剂0.4Kg、复配阻燃剂3kg、MBS树脂0.1kg在高速混合机中共混。将混合后的样品通过板材挤出机挤出波浪形板材，并共挤出2.5mm面层ASA。即得长5m、宽1m的PVC中空瓦；
由此可见，本发明提供的PVC瓦及其制备方法具有以下优点：
（1）所述PVC瓦，可以裁剪成各种需要的尺寸，可个性化定制
（2）本发明所提供的PVC瓦，既可达到较好的美观效果，还具备减少噪音、抗紫外、阻燃、保温的特性
（3）本专利所用的生物基材料或无机填料来源广泛，可以从树木、秸秆、木糠或棉花等绿色植物体内提取改性，资源丰富，可避免石化原料所带来的不良后果，符合环保要求
（4）本发明提供的PVC瓦的制备方法工艺简单、生产周期短，易于实现产业化生产，且安装便捷、工期短可广泛用于各种建筑的顶面安装
所属领域的普通技术人员应当理解：以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

1.一种聚氯乙烯（PVC）瓦，其特征在于，包括如下质量百分比的各组份：
聚氯乙烯（PVC） 100份
发泡剂 0~8份
生物基材料或无机填料 5~80份
无机阻燃剂 5~50份
MBS树脂 1~10份
抗紫外树脂面层根据实际情况待定。
2.根据权利要求1所述的聚氯乙烯（PVC）瓦，其特征在于，所述的发泡剂包括偶氮化合物、N-亚硝基化合物、酰肼类化合物以及复配发泡剂等工业生产中常见的发泡剂。
3.根据权利要求1所述的聚氯乙烯（PVC）瓦，其特征在于，所述的生物基材料或无机填料包括木粉、竹粉、秸秆粉、碳酸钙等生物基材料或无机填料。
4.根据权利要求1所述的聚氯乙烯（PVC）瓦，其特征在于，所述的无机阻燃剂为氢氧化镁、氢氧化铝等阻燃剂中的一种或多种复配。
5.根据权利要求1所述的聚氯乙烯（PVC）瓦，其特征在于，所述的MBS树脂为甲基丙烯酸甲酯（M），丁二烯（B）及苯乙烯（S）的三元共聚物，具有典型的核-壳结构。
6.根据权利要求1所述的聚氯乙烯（PVC）瓦，其特征在于，所述的抗紫外树脂面层为丙烯腈-苯乙烯-丙烯酸橡胶(ASA)、聚甲基丙烯酸甲酯（PMMA）等抗紫外树脂。
7.根据权利要求1~6所述的聚氯乙烯（PVC）瓦的制备方法，其特征在于，包括如下步骤：步骤一：按既定用量称取各原料，即聚氯乙烯100质量份、发泡剂0~8质量份、生物基材料或无机填料5~80份、无机阻燃剂5~50份、MBS树脂1~10份；步骤二：将称取的聚氯乙烯、发泡剂、生物基材料或无机填料、无机阻燃剂、MBS树脂置于高速混合机中混合；步骤三：步骤二中混合后的物料于双螺杆板材挤出机中挤出实心或中空波浪形板材，并共挤出抗紫外树脂面层，裁剪收边。
8.根据权利要求7所述的聚氯乙烯（PVC）瓦，其特征在于，所述的瓦的整体厚度为3~15mm。
9.根据权利要求7所述的聚氯乙烯（PVC）瓦，其特征在于，所述的抗紫外面层厚度为0.5~2mm。
10.根据权利要求7所述的聚氯乙烯（PVC）瓦，其特征在于，所述的下凹圆弧的具体尺寸不受限制。
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