CN106496880A - 一种玄武岩纤维改性的高阻燃pvc‑nbr复合发泡板及其制备方法 - Google Patents
一种玄武岩纤维改性的高阻燃pvc‑nbr复合发泡板及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种玄武岩纤维改性的高阻燃PVC‑NBR复合发泡板及其制备方法,该复合发泡板以PVC与植物沥青改性后的NBR共混材料作为复合发泡基料,以高耐热、高强度的玄武岩纤维对其进行改性处理,获得了性能优良的复合发泡板,再结合其它辅助材料,最终制备得到了具有高热稳定性、高阻燃环保、高抗裂抗压的复合发泡板材,在绿色家装材料方面有突出的应用优势。
Description
技术领域
本发明涉及PVC发泡板技术领域,尤其涉及一种玄武岩纤维改性的高阻燃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,提供一种玄武岩纤维改性的高阻燃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:
一种玄武岩纤维改性的高阻燃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、AC发泡剂2-5、硼酸三乙酯1-2、腰果油1-2、光稳定剂0.5-1、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 0.8-1.2、钙锌稳定剂4-5、植物沥青3-4、玄武岩纤维10-15、有机蒙脱土3-5、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。
所述的一种玄武岩纤维改性的高阻燃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后加入有机蒙脱土,混合研磨分散1-2h,水洗2-3次后干燥备用;
(2)先将NBR、植物沥青混合均匀后投入145℃密炼机中密炼15-20min,随后加入PVC、玄武岩纤维、腰果油、有机蒙脱土、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30-40min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30-40min后薄通三次后出料;
(4)将步骤(3)所得片材在模具中,在160-165℃、15-18MPa条件下热压发泡10-15min,随后卸压冷却,即得所述复合发泡板。
本发明以PVC与植物沥青改性后的NBR共混材料作为复合发泡基料,以高耐热、高强度的玄武岩纤维对其进行改性处理,获得了性能优良的复合发泡板,再结合其它辅助材料,最终制备得到了具有高热稳定性、高阻燃环保、高抗裂抗压的复合发泡板材,在绿色家装材料方面有突出的应用优势。
具体实施方式
一种玄武岩纤维改性的高阻燃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、AC发泡剂2、硼酸三乙酯1、腰果油1、光稳定剂0.5、促进剂TMTD0.4、硬脂酸0.5、硫化剂PDM 0.8、钙锌稳定剂4、植物沥青3、玄武岩纤维10、有机蒙脱土3、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。
该实施例复合发泡材料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后加入有机蒙脱土,混合研磨分散1h,水洗2次后干燥备用;
(2)先将NBR、植物沥青混合均匀后投入145℃密炼机中密炼15min,随后加入PVC、玄武岩纤维、腰果油、有机蒙脱土、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30min后薄通三次后出料;
(4)将步骤(3)所得片材在模具中,在160℃、15MPa条件下热压发泡10min,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:0.62g/cm3;拉伸强度:58.5MPa;断裂伸长率:264.5%;撕裂强度:6.2N/m;氧指数≥32%。
Claims (2)
1.一种玄武岩纤维改性的高阻燃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、AC发泡剂2-5、硼酸三乙酯1-2、腰果油1-2、光稳定剂0.5-1、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 0.8-1.2、钙锌稳定剂4-5、植物沥青3-4、玄武岩纤维10-15、有机蒙脱土3-5、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所述的一种玄武岩纤维改性的高阻燃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后加入有机蒙脱土,混合研磨分散1-2h,水洗2-3次后干燥备用;
(2)先将NBR、植物沥青混合均匀后投入145℃密炼机中密炼15-20min,随后加入PVC、玄武岩纤维、腰果油、有机蒙脱土、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30-40min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30-40min后薄通三次后出料;
(4)将步骤(3)所得片材在模具中,在160-165℃、15-18MPa条件下热压发泡10-15min,随后卸压冷却,即得所述复合发泡板。
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CN109233018A (zh) * | 2018-07-26 | 2019-01-18 | 合肥旭亚新材料科技有限公司 | 一种具有低压缩永久变形特性的橡胶组合物 |
CN114163701A (zh) * | 2021-12-29 | 2022-03-11 | 重庆纤维研究设计院股份有限公司 | 一种无卤阻燃隔音复合材料 |
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CN202831273U (zh) * | 2012-10-26 | 2013-03-27 | 辽宁辽杰科技有限公司 | 一种阻燃型保温板 |
CN105542259A (zh) * | 2015-12-24 | 2016-05-04 | 山东阳谷华泰化工股份有限公司 | 一种改善丁苯橡胶加工性能的流动助剂及其制备方法 |
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 |
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CN202831273U (zh) * | 2012-10-26 | 2013-03-27 | 辽宁辽杰科技有限公司 | 一种阻燃型保温板 |
CN105542259A (zh) * | 2015-12-24 | 2016-05-04 | 山东阳谷华泰化工股份有限公司 | 一种改善丁苯橡胶加工性能的流动助剂及其制备方法 |
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 |
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CN109233018A (zh) * | 2018-07-26 | 2019-01-18 | 合肥旭亚新材料科技有限公司 | 一种具有低压缩永久变形特性的橡胶组合物 |
CN114163701A (zh) * | 2021-12-29 | 2022-03-11 | 重庆纤维研究设计院股份有限公司 | 一种无卤阻燃隔音复合材料 |
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