CN106280090A - 一种六钛酸钾晶须增强的高耐热pvc‑nbr复合发泡板及其制备方法 - Google Patents

一种六钛酸钾晶须增强的高耐热pvc‑nbr复合发泡板及其制备方法 Download PDF

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CN106280090A
CN106280090A CN201610656447.3A CN201610656447A CN106280090A CN 106280090 A CN106280090 A CN 106280090A CN 201610656447 A CN201610656447 A CN 201610656447A CN 106280090 A CN106280090 A CN 106280090A
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potassium titanate
foamed plate
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王新志
张凯
郑海迪
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CHUZHOU HONGYUAN SPRAYING Co Ltd
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Abstract

本发明公开了一种六钛酸钾晶须增强的高耐热PVC‑NBR复合发泡板，该复合发泡板以PVC与NBR、聚醚醚酮微粉、苯乙烯‑丁二烯共聚物混合作为发泡树脂基料，使得该复合发泡板各原料间相容性更佳，耐热性和力学性能均得到改善，加入的六钛酸钾晶须经硅烷偶联剂改性后具有良好的分散性和结合性，进一步提升了复合材料的力学性能和抗热、抗老化、抗腐蚀能力，再结合其它原料，最终制得了紧实、耐热、强韧、疏水、环保的复合板材，其突出的综合性能使其在多个领域具有良好的应用前景。

Description

一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板及其制 备方法
技术领域
本发明涉及PVC发泡板技术领域，尤其涉及一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板及其制备方法。
背景技术
PVC发泡板具有防水、阻燃、耐酸碱、防蛀、质轻、保温、隔音、减震等特性，是木材、铝材、复合板材的理想替代品，广泛的应用于客车、火车车厢顶棚、箱体芯层、内部装潢用板、建筑物外墙板、内装饰用板、办公室、住宅、公共场所建筑物隔间，商用装饰架、无尘室用板、吊顶板等方面。
尽管PVC发泡板具有如此广泛的应用空间，然而其实际市场占有率却偏低，尤其在家装材料方面，主要的制约因素是产品良莠不齐，产品在强度、刚性、热稳定性等方面不尽如人意，使用时存在安全隐患，为了提高PVC板材的综合性能，使用高分子材料和无机填料共混改性是最常用的方法。《阻燃型NBR/PVC发泡材料的研究》一文将NBR与PVC共混发泡，获得了力学性能较为优良的产品，但是其耐热性差，需添加阻燃剂达到阻燃效果，但是对材料的力学性能影响较大，使用受到限制。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板及其制备方法。
本发明是通过以下技术方案实现的：
一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板，该复合发泡板由以下重量份的原料制得：PVC 40-50、NBR 20-30、聚醚醚酮微粉5-10、苯乙烯-丁二烯共聚物8-12、碳酸钙2-3、AC发泡剂2-5、硼酸三乙酯1-2、六钛酸钾晶须4-5、氟碳表面活性剂0.1-0.2、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、光稳定剂0.5-1、钙锌稳定剂4-5、液体石蜡1-2、硅烷偶联剂kh560 0.5-1、环氧脂肪酸甲酯5-8、甲基丙烯酸锌2-4、80-90%的乙醇水溶液15-25。
所述的一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板的制备方法包括以下步骤：
（1）先将硅烷偶联剂kh560投入乙醇水溶液中，搅拌反应2-3h后加入六钛酸钾晶须，继续搅拌混合50-60min后抽滤，产物水洗2-3次后干燥备用；
（2）先将NBR投入160℃密炼机中密炼5-10min，随后加入PVC、聚醚醚酮微粉、苯乙烯-丁二烯共聚物、碳酸钙、液体石蜡、氟碳表面活性剂、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌以及步骤（1）所得物料，继续密炼40-50min后得复合基料，基料自然冷却至室温备用；
（3）将步骤（2）制备的基料与其它剩余成分投入炼胶机中，在50℃条件下混炼20-30min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在170-175℃、12-15MPa条件下热压发泡15-20min，随后卸压冷却，即得所述复合发泡板。
本发明以PVC与NBR、聚醚醚酮微粉、苯乙烯-丁二烯共聚物混合作为发泡树脂基料，使得该复合发泡板各原料间相容性更佳，耐热性和力学性能均得到改善，加入的六钛酸钾晶须经硅烷偶联剂改性后具有良好的分散性和结合性，进一步提升了复合材料的力学性能和抗热、抗老化、抗腐蚀能力，再结合其它原料，最终制得了紧实、耐热、强韧、疏水、环保的复合板材，其突出的综合性能使其在多个领域具有良好的应用前景。
具体实施方式
一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板，该复合发泡板由以下重量份的原料制得：PVC 40、NBR 20、聚醚醚酮微粉5、苯乙烯丁二烯共聚物8、碳酸钙2、AC发泡剂2、硼酸三乙酯1、六钛酸钾晶须4、氟碳表面活性剂0.1、促进剂TMTD 0.4、硬脂酸0.5、硫化剂PDM 1、光稳定剂0.5、钙锌稳定剂4、液体石蜡1、硅烷偶联剂kh560 0.5、环氧脂肪酸甲酯5、甲基丙烯酸锌2、80%的乙醇水溶液15。
该实施例复合发泡板的制备方法包括以下步骤：
（1）先将硅烷偶联剂kh560投入乙醇水溶液中，搅拌反应2h后加入六钛酸钾晶须，继续搅拌混合50min后抽滤，产物水洗2次后干燥备用；
（2）先将NBR投入160℃密炼机中密炼5min，随后加入PVC、聚醚醚酮微粉、苯乙烯丁二烯共聚物、碳酸钙、液体石蜡、氟碳表面活性剂、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌以及步骤（1）所得物料，继续密炼40min后得复合基料，基料自然冷却至室温备用；
（3）将步骤（2）制备的基料与其它剩余成分投入炼胶机中，在50℃条件下混炼20min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在170℃、12MPa条件下热压发泡15min，随后卸压冷却，即得所述复合发泡板。
制得的发泡板遵循相关标准进行性能测试，性能测试结果为：
表观密度：0.435g/cm3；拉伸强度：46.2MPa；断裂伸长率：235.2%；撕裂强度：4.8N/m；氧指数≥30%；耐热性：80℃条件下放置5h无变化。

Claims (2)

1.一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板，其特征在于，该复合发泡板由以下重量份的原料制得：PVC 40-50、NBR 20-30、聚醚醚酮微粉5-10、苯乙烯-丁二烯共聚物8-12、碳酸钙2-3、AC发泡剂2-5、硼酸三乙酯1-2、六钛酸钾晶须4-5、氟碳表面活性剂0.1-0.2、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、光稳定剂0.5-1、钙锌稳定剂4-5、液体石蜡1-2、硅烷偶联剂kh560 0.5-1、环氧脂肪酸甲酯5-8、甲基丙烯酸锌2-4、80-90%的乙醇水溶液15-25。
2.如权利要求1所述的一种六钛酸钾晶须增强的高耐热PVC-NBR复合发泡板的制备方法，其特征在于，所述的制备方法包括以下步骤：
（1）先将硅烷偶联剂kh560投入乙醇水溶液中，搅拌反应2-3h后加入六钛酸钾晶须，继续搅拌混合50-60min后抽滤，产物水洗2-3次后干燥备用；
（2）先将NBR投入160℃密炼机中密炼5-10min，随后加入PVC、聚醚醚酮微粉、苯乙烯-丁二烯共聚物、碳酸钙、液体石蜡、氟碳表面活性剂、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌以及步骤（1）所得物料，继续密炼40-50min后得复合基料，基料自然冷却至室温备用；
（3）将步骤（2）制备的基料与其它剩余成分投入炼胶机中，在50℃条件下混炼20-30min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在170-175℃、12-15MPa条件下热压发泡15-20min，随后卸压冷却，即得所述复合发泡板。
CN201610656447.3A 2016-08-12 2016-08-12 一种六钛酸钾晶须增强的高耐热pvc‑nbr复合发泡板及其制备方法 Withdrawn CN106280090A (zh)

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