CN106751163A - 一种氧化石墨烯‑羟基磷灰石补强的高耐热pvc复合发泡板及其制备方法 - Google Patents

一种氧化石墨烯‑羟基磷灰石补强的高耐热pvc复合发泡板及其制备方法 Download PDF

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CN106751163A
CN106751163A CN201611108125.1A CN201611108125A CN106751163A CN 106751163 A CN106751163 A CN 106751163A CN 201611108125 A CN201611108125 A CN 201611108125A CN 106751163 A CN106751163 A CN 106751163A
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王新志
张凯
郑海迪
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Anhui Sheng Yuan Rubber And Plastic Science And Technology Ltd
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Abstract

本发明公开了一种氧化石墨烯‑羟基磷灰石补强的高耐热PVC复合发泡板及其制备方法，该复合发泡板以PVC与NBR、液体硅橡胶共混作为发泡高分子基料，这种发泡体系具有更高的韧性和塑性，加入的纳米羟基磷灰石/氧化石墨烯复合改性填料可有效的提升发泡板的耐热性和力学性能，提高熔体的强度和流动性，获得更为理想的发泡效果，再结合其它辅料，最终制备得到具有高耐热、阻燃、环保，在多个建材领域具有突出的应用前景。

Description

一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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，尤其涉及一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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，提供一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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：
一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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、纳米羟基磷灰石8-10、液体硅橡胶8-10、氧化聚乙烯蜡3-5、氧化石墨烯1-2、白炭黑1-2、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、钙锌稳定剂4-5、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、环氧脂肪酸甲酯5-8、甲基丙烯酸锌2-4、木质素磺酸钠0.1-0.2、去离子水20-30。
所述的一种氧化石墨烯-羟基磷灰石补强的高耐热PVC复合发泡板的制备方法包括以下步骤：
（1）先将木质素磺酸钠投入去离子水中，搅拌使其完全溶解，随后投入纳米羟基磷灰石、氧化石墨烯，混合研磨分散20-30min后干燥备用；
（2）先将NBR、液体硅橡胶混合均匀后投入160℃密炼机中密炼20-30min，随后依次加入PVC、氧化聚乙烯蜡、白炭黑、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30-50min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℃、12-16MPa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、液体硅橡胶共混作为发泡高分子基料，这种发泡体系具有更高的韧性和塑性，加入的纳米羟基磷灰石/氧化石墨烯复合改性填料可有效的提升发泡板的耐热性和力学性能，提高熔体的强度和流动性，获得更为理想的发泡效果，再结合其它辅料，最终制备得到具有高耐热、阻燃、环保，在多个建材领域具有突出的应用前景。
具体实施方式
一种氧化石墨烯羟基磷灰石补强的高耐热PVC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、纳米羟基磷灰石8、液体硅橡胶8、氧化聚乙烯蜡3、氧化石墨烯1、白炭黑1、AC发泡剂2、硼酸三乙酯1、光稳定剂0.5、钙锌稳定剂4、促进剂TMTD 0.4、硬脂酸0.5、硫化剂PDM 1、环氧脂肪酸甲酯5、甲基丙烯酸锌2、木质素磺酸钠0.1、去离子水20。
该实施例复合发泡板的制备方法包括以下步骤：
（1）先将木质素磺酸钠投入去离子水中，搅拌使其完全溶解，随后投入纳米羟基磷灰石、氧化石墨烯，混合研磨分散20min后干燥备用；
（2）先将NBR、液体硅橡胶混合均匀后投入160℃密炼机中密炼20min，随后依次加入PVC、氧化聚乙烯蜡、白炭黑、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30min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：0.424g/cm3；拉伸强度：43.5MPa；断裂伸长率：208.6%；撕裂强度：3.76N/m；氧指数≥30%；耐热性：在80℃条件下放置5h无变化。

Claims (2)

1.一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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、纳米羟基磷灰石8-10、液体硅橡胶8-10、氧化聚乙烯蜡3-5、氧化石墨烯1-2、白炭黑1-2、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、钙锌稳定剂4-5、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、环氧脂肪酸甲酯5-8、甲基丙烯酸锌2-4、木质素磺酸钠0.1-0.2、去离子水20-30。
2.如权利要求1所述的一种氧化石墨烯-羟基磷灰石补强的高耐热PVC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）先将木质素磺酸钠投入去离子水中，搅拌使其完全溶解，随后投入纳米羟基磷灰石、氧化石墨烯，混合研磨分散20-30min后干燥备用；
（2）先将NBR、液体硅橡胶混合均匀后投入160℃密炼机中密炼20-30min，随后依次加入PVC、氧化聚乙烯蜡、白炭黑、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30-50min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℃、12-16MPa条件下热压发泡15-20min，随后卸压冷却，即得所述复合发泡板。
CN201611108125.1A 2016-12-06 2016-12-06 一种氧化石墨烯‑羟基磷灰石补强的高耐热pvc复合发泡板及其制备方法 Pending CN106751163A (zh)

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CN107254076A (zh) * 2017-06-27 2017-10-17 过春明 一种复合材料补强橡胶及其制备方法
CN107793074A (zh) * 2017-10-13 2018-03-13 南京旭羽睿材料科技有限公司 一种用于建筑外墙保温板的石墨烯辅料及其制备方法
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CN106117913A (zh) * 2016-08-12 2016-11-16 滁州市宏源喷涂有限公司 一种纳米陶瓷增强的高精度pvc‑nbr复合发泡板及其制备方法
CN106117915A (zh) * 2016-08-12 2016-11-16 滁州市宏源喷涂有限公司 一种含泡沫铝的轻质高强pvc‑nbr复合发泡板及其制备方法
CN106117914A (zh) * 2016-08-12 2016-11-16 滁州市宏源喷涂有限公司 一种含载银纳米沸石的抗菌耐热pvc‑nbr复合发泡板及其制备方法
CN106117916A (zh) * 2016-08-12 2016-11-16 滁州市宏源喷涂有限公司 一种高疏水抗粘的pvc‑nbr复合发泡板及其制备方法
CN106167589A (zh) * 2016-08-12 2016-11-30 滁州市宏源喷涂有限公司 一种含纳米硅藻土的具有净化空气功效的pvc‑nbr复合发泡板及其制备方法
CN106167590A (zh) * 2016-08-12 2016-11-30 滁州市宏源喷涂有限公司 一种含纳米碳纤维的高强高弹pvc‑nbr复合发泡板及其制备方法

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CN107254076A (zh) * 2017-06-27 2017-10-17 过春明 一种复合材料补强橡胶及其制备方法
CN107793074A (zh) * 2017-10-13 2018-03-13 南京旭羽睿材料科技有限公司 一种用于建筑外墙保温板的石墨烯辅料及其制备方法
CN109608713A (zh) * 2018-11-30 2019-04-12 华南理工大学 一种木质素增强的nbr/pvc弹性体及其制备方法

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