CN106751165A - 一种钛硅介孔分子筛改性的耐热老化的pvc‑nbr复合发泡板及其制备方法 - Google Patents

一种钛硅介孔分子筛改性的耐热老化的pvc‑nbr复合发泡板及其制备方法 Download PDF

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CN106751165A
CN106751165A CN201611108324.2A CN201611108324A CN106751165A CN 106751165 A CN106751165 A CN 106751165A CN 201611108324 A CN201611108324 A CN 201611108324A CN 106751165 A CN106751165 A CN 106751165A
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titanium
molecular sieve
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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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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract

本发明公开了一种钛硅介孔分子筛改性的耐热老化的PVC‑NBR复合发泡板及其制备方法，该复合发泡板以PVC与NBR、聚氨酯弹性体共混作为树脂发泡基料，同时加入了表面改性后的钛硅介孔分子筛微粉作为改性补强填料，再结合硼砂、8‑羟基喹啉等原料，最终制得了具有高耐热、高强度、高发泡均匀度、高抗老化复合发泡板，极大地改善了传统PVC/NBR共混发泡料的使用性能，其应用范围进一步拓宽。

Description

一种钛硅介孔分子筛改性的耐热老化的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，尤其涉及一种钛硅介孔分子筛改性的耐热老化的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，提供一种钛硅介孔分子筛改性的耐热老化的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：
一种钛硅介孔分子筛改性的耐热老化的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 25-30、聚氨酯弹性体12-15、钛硅介孔分子筛微粉5-6、8-羟基喹啉0.4-0.5、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、大豆油3-5、硼砂0.2-0.5、促进剂TMTD 0.4-0.5、云母粉2-3、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。
所述的一种钛硅介孔分子筛改性的耐热老化的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与钛硅介孔分子筛微粉混合研磨分散30-40min，得改性钛硅介孔分子筛微粉备用；
（2）先将NBR投入160℃密炼机中密炼15-20min，随后依次加入PVC、聚氨酯弹性体、硼砂、大豆油、8-羟基喹啉、改性钛硅介孔分子筛微粉、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌，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10-15min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在160-163℃、10-12MPa条件下热压发泡14-16min，随后卸压冷却，即得所述复合发泡板。
本发明以PVC与NBR、聚氨酯弹性体共混作为树脂发泡基料，同时加入了表面改性后的钛硅介孔分子筛微粉作为改性补强填料，再结合硼砂、8-羟基喹啉等原料，最终制得了具有高耐热、高强度、高发泡均匀度、高抗老化复合发泡板，极大地改善了传统PVC/NBR共混发泡料的使用性能，其应用范围进一步拓宽。
具体实施方式
一种钛硅介孔分子筛改性的耐热老化的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 25、聚氨酯弹性体12、钛硅介孔分子筛微粉5、8羟基喹啉0.4、AC发泡剂2、硼酸三乙酯1、光稳定剂0.5、大豆油3、硼砂0.2、促进剂TMTD 0.4、云母粉2、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。
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与钛硅介孔分子筛微粉混合研磨分散30min，得改性钛硅介孔分子筛微粉备用；
（2）先将NBR投入160℃密炼机中密炼15min，随后依次加入PVC、聚氨酯弹性体、硼砂、大豆油、8羟基喹啉、改性钛硅介孔分子筛微粉、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌，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10min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在160℃、10MPa条件下热压发泡14min，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：0.52g/cm3；拉伸强度：44.5MPa；断裂伸长率：206.5%；撕裂强度：4.2N/m；氧指数≥30%；耐热性：在80℃条件下放置8h无变化。

Claims (2)

1.一种钛硅介孔分子筛改性的耐热老化的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 25-30、聚氨酯弹性体12-15、钛硅介孔分子筛微粉5-6、8-羟基喹啉0.4-0.5、AC发泡剂2-5、硼酸三乙酯1-2、光稳定剂0.5-1、大豆油3-5、硼砂0.2-0.5、促进剂TMTD 0.4-0.5、云母粉2-3、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。
2.如权利要求1所述的一种钛硅介孔分子筛改性的耐热老化的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与钛硅介孔分子筛微粉混合研磨分散30-40min，得改性钛硅介孔分子筛微粉备用；
（2）先将NBR投入160℃密炼机中密炼15-20min，随后依次加入PVC、聚氨酯弹性体、硼砂、大豆油、8-羟基喹啉、改性钛硅介孔分子筛微粉、环氧脂肪酸甲酯、光稳定剂、钙锌稳定剂、甲基丙烯酸锌，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10-15min后薄通三次后出料；
（4）将步骤（3）所得片材在模具中，在160-163℃、10-12MPa条件下热压发泡14-16min，随后卸压冷却，即得所述复合发泡板。
CN201611108324.2A 2016-12-06 2016-12-06 一种钛硅介孔分子筛改性的耐热老化的pvc‑nbr复合发泡板及其制备方法 Pending CN106751165A (zh)

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Cited By (1)

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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
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

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113912965A (zh) * 2021-12-02 2022-01-11 武汉兀艺工舍文化有限公司 一种塑木复合材料相框及其制备方法

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