CN106280094A - 一种纳米碳化硅增强的高抗冲pvc‑nbr复合发泡板及其制备方法 - Google Patents

一种纳米碳化硅增强的高抗冲pvc‑nbr复合发泡板及其制备方法 Download PDF

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CN106280094A
CN106280094A CN201610657293.XA CN201610657293A CN106280094A CN 106280094 A CN106280094 A CN 106280094A CN 201610657293 A CN201610657293 A CN 201610657293A CN 106280094 A CN106280094 A CN 106280094A
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silicon carbide
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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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    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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Abstract

本发明公开了一种纳米碳化硅增强的高抗冲PVC‑NBR复合发泡板，该复合发泡板以PVC与NBR、聚烯烃弹性体、聚苯乙烯微球共混作为发泡基料，这种基料各原料间具有很好的相容性，综合力学性能优良，且聚苯乙烯微球有成核作用，提高发泡效率，经硅烷偶联剂改性处理后的纳米碳化硅增强效果显著，有效提高了复合材料的耐热阻燃能力，抗冲击韧性更佳，再结合其它原料，最终制得了高强度、高抗冲、抗裂、表面抗划、环保耐热的复合板材，改善了传统PVC/NBR发泡材料的缺陷，使用范围进一步拓宽。

Description

一种纳米碳化硅增强的高抗冲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，尤其涉及一种纳米碳化硅增强的高抗冲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，提供一种纳米碳化硅增强的高抗冲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：
一种纳米碳化硅增强的高抗冲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、聚烯烃弹性体10-15、聚苯乙烯微球4-5、纳米碳化硅5-8、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、硫磷伯仲烷基锌盐0.1-0.2、碳酸钙2-3、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、钙锌稳定剂4-5、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。
所述的一种纳米碳化硅增强的高抗冲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后加入纳米碳化硅，混合研磨分散2-3h抽滤，所得产物水洗2-3次后干燥，得改性纳米碳化硅备用；
（2）先将NBR投入160℃密炼机中密炼15-20min，随后依次加入PVC、聚烯烃弹性体、聚苯乙烯微球、硫磷伯仲烷基锌盐、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌、改性纳米碳化硅、碳酸钙，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15-20min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在150-155℃、15-18MPa条件下热压发泡20-25min，随后卸压冷却，即得所述复合发泡板。
本发明以PVC与NBR、聚烯烃弹性体、聚苯乙烯微球共混作为发泡基料，这种基料各原料间具有很好的相容性，综合力学性能优良，且聚苯乙烯微球有成核作用，提高发泡效率，经硅烷偶联剂改性处理后的纳米碳化硅增强效果显著，有效提高了复合材料的耐热阻燃能力，抗冲击韧性更佳，再结合其它原料，最终制得了高强度、高抗冲、抗裂、表面抗划、环保耐热的复合板材，改善了传统PVC/NBR发泡材料的缺陷，使用范围进一步拓宽。
具体实施方式
一种纳米碳化硅增强的高抗冲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、聚烯烃弹性体10、聚苯乙烯微球4、纳米碳化硅5、AC发泡剂2、硼酸三乙酯1、光稳定剂0.5、硫磷伯仲烷基锌盐0.1、碳酸钙2、促进剂TMTD 0.4、硬脂酸0.5、硫化剂PDM 1、钙锌稳定剂4、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后加入纳米碳化硅，混合研磨分散2h抽滤，所得产物水洗2次后干燥，得改性纳米碳化硅备用；
（2）先将NBR投入160℃密炼机中密炼15min，随后依次加入PVC、聚烯烃弹性体、聚苯乙烯微球、硫磷伯仲烷基锌盐、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌、改性纳米碳化硅、碳酸钙，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15min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在150℃、15MPa条件下热压发泡20min，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：0.50g/cm3；拉伸强度：47.2MPa；断裂伸长率：220.5%；撕裂强度：4.72N/m；氧指数≥30%。

Claims (2)

1.一种纳米碳化硅增强的高抗冲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、聚烯烃弹性体10-15、聚苯乙烯微球4-5、纳米碳化硅5-8、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、硫磷伯仲烷基锌盐0.1-0.2、碳酸钙2-3、促进剂TMTD 0.4-0.5、硬脂酸0.5-1、硫化剂PDM 1-1.5、钙锌稳定剂4-5、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所述的一种纳米碳化硅增强的高抗冲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后加入纳米碳化硅，混合研磨分散2-3h抽滤，所得产物水洗2-3次后干燥，得改性纳米碳化硅备用；
（2）先将NBR投入160℃密炼机中密炼15-20min，随后依次加入PVC、聚烯烃弹性体、聚苯乙烯微球、硫磷伯仲烷基锌盐、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌、改性纳米碳化硅、碳酸钙，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15-20min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在150-155℃、15-18MPa条件下热压发泡20-25min，随后卸压冷却，即得所述复合发泡板。
CN201610657293.XA 2016-08-12 2016-08-12 一种纳米碳化硅增强的高抗冲pvc‑nbr复合发泡板及其制备方法 Withdrawn CN106280094A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513239A (zh) * 2017-09-22 2017-12-26 佛山市飞时达新材料科技有限公司 一种耐高温开裂橡塑发泡保温材料及其制备方法
CN107880444A (zh) * 2017-11-24 2018-04-06 孙荣华 Nbr、pvc共混配方
CN108892800A (zh) * 2018-05-10 2018-11-27 安徽华塑股份有限公司 一种高抗弯强度pvc型材的生产工艺
CN112029210A (zh) * 2020-09-10 2020-12-04 张海强 一种耐磨发泡鞋底材料及其制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513239A (zh) * 2017-09-22 2017-12-26 佛山市飞时达新材料科技有限公司 一种耐高温开裂橡塑发泡保温材料及其制备方法
CN107880444A (zh) * 2017-11-24 2018-04-06 孙荣华 Nbr、pvc共混配方
CN108892800A (zh) * 2018-05-10 2018-11-27 安徽华塑股份有限公司 一种高抗弯强度pvc型材的生产工艺
CN112029210A (zh) * 2020-09-10 2020-12-04 张海强 一种耐磨发泡鞋底材料及其制备方法

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Application publication date: 20170104