CN107082988A - 一种建筑用增强型木塑复合板材及其制备方法 - Google Patents

一种建筑用增强型木塑复合板材及其制备方法 Download PDF

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CN107082988A
CN107082988A CN201710410545.3A CN201710410545A CN107082988A CN 107082988 A CN107082988 A CN 107082988A CN 201710410545 A CN201710410545 A CN 201710410545A CN 107082988 A CN107082988 A CN 107082988A
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powder
foaming agent
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plastic composite
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刘伍
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Hefei Huilin Building Materials Co Ltd
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Abstract

本发明公开了一种建筑用增强型木塑复合板材，包括以下重量份的原料：聚氯乙烯树脂粉、碳酸钙、发泡剂、樟木粉、发泡调节剂、润滑剂、硬脂酸、偶联剂、水镁石粉、MBS助剂、花椒粉、雄黄粉；本发明还公开了一种建筑用增强型木塑复合板材的制备方法。本发明不仅具有较佳的强度、韧性和抗冲击等性能，而且改善周围环境，能够有效驱除蚊虫。

Description

一种建筑用增强型木塑复合板材及其制备方法
技术领域
本发明涉及建筑材料技术领域，具体涉及一种建筑用增强型木塑复合板材及其制备方法。
背景技术
木塑复合板材是一种主要由木材（木纤维素、植物纤维素）为基础材料与热塑性高分子材料（塑料）和加工助剂等，混合均匀后再经模具设备加热挤出成型而制成的高科技绿色环保新型装饰材料，兼有木材和塑料的性能与特征，是能替代木材和塑料的新型复合材料。
随着人们环境保护意识的增强，原料来源广泛、环境友好、可再生、可循环使用的木塑复合材料越来越受到人们的重视。木塑复合材料可用作托盘、包装箱等包装材料， 铺板、铺梁等仓储材料，公园、球场、街道等场合使用的露天桌椅、板凳等休闲材料等。木 塑型材可以利用一般木工技术来进行操作处理，可以用圆锯进行切割，用钉子或螺丝钉固定，且握钉力明显优于其他合成材料，机械性能优于木质材料；具有热塑性塑料的加工性， 挤出、注塑等工艺均可用来成型，且设备磨损小；木塑复合材料可像一般木材一样进行油漆或着色处理，或在配方中加入色素以获得各种颜色，加工后得到型材不需要油漆；制品可压制成企口形、立体图案和其它要求的开头，无需进行复杂的二次加工；重量轻，生产能耗小；不需利用有毒化学物质进行处理，不含甲醛；有木材的外观，比塑料制品高的硬度；木塑材料及其产品与木材相比，可抗强酸碱、耐水、耐腐蚀，并且不繁殖细菌，不易被虫蛀、 不长真菌，使用寿命长；废弃后可重复使用和回收再利用，而且能够生物降解，有利于环 保等诸多优点。
但木塑复合材料存在以下不足：功能少，比如不能改善周围的环境，韧性不足，强度不足，成本高等问题，所以亟待一种建筑用增强型木塑复合板材来解决问题。
发明内容
本发明的目的在于克服上述现有技术的不足，提供了一种建筑用增强型木塑复合板材，它可以改善周围环境，能够有效驱除蚊虫，又具有较佳的强度、韧性和抗冲击等性能。
本发明提供了一种建筑用增强型木塑复合板材，包括以下重量份的原料：聚氯乙烯树脂粉50-60份、碳酸钙22-27份、发泡剂0.5-1.5份、樟木粉5-10份、发泡调节剂6-12份、润滑剂1-4份、硬脂酸0.5-1份、偶联剂0.5-1份、水镁石粉4-10份、MBS助剂2-4份、花椒粉2-4份、雄黄粉0.5-1份。
其中，
聚氯乙烯树脂粉为SG-5型、SG-8型的一种或多种，碳酸钙为轻质活性碳酸钙，发泡剂为MSV-206型。
碳酸钙为轻质活性碳酸钙。
花椒粉为400目花椒粉，雄黄粉为200目雄黄粉，水镁石粉为400目水镁石粉。
润滑剂为硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯的一种或多种。
发泡剂为黄发泡剂和白发泡剂，两者质量比为1：1.2，黄发泡剂为偶氮二甲酰胺、偶氮二异丁晴、亚硝基类发泡剂或酰肼类发泡剂；白发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
本发明还提供了一种建筑用增强型木塑复合板材的制备方法，包括以下步骤：
（1）、按上述重量份分别称取各种原料；
（2）、樟木粉和花椒粉的预处理，将樟木粉和花椒粉放入干燥箱在100℃下干燥12h，然后将干燥的樟木粉、花椒粉和硬脂酸放入高混机内混合1h，得到混合物；
（3）、将步骤（2）中的混合物、聚氯乙烯树脂粉、碳酸钙、水镁石粉加入搅拌机混合30min，转速为500-600r/min，温度控制为80-100℃，得到混合物；
（4）、将步骤（3）中的混合物中加入发泡剂、发泡调节剂、润滑剂、偶联剂、MBS助剂继续搅拌8-10min，转速为1000-1200r/min，温度控制为120-130℃，得到混合物；
（5）、将步骤（4）中的混合物中加入雄黄粉继续搅拌1min，转速为1200r/min，稳定控制为120-130℃，得到混合物；
（6）、将步骤（5）中混合物进入到平行双螺杆挤出机进行挤出加工，熔融物料经螺杆进入合流芯分流至发泡模具，然后离模定型。
其中，步骤（6）中分流至发泡模具后，将模具放入平板硫化机中3-5min，压力为1-3MPa，泄压，重复此操作2次，再将压力升至7-10MPa，6-10min，泄压，接着将压力升至12-14MPa，5min后取出，冷压10min。
本发明提供的建筑用增强型木塑复合板材由于使用了樟木粉、花椒粉和雄黄粉，而樟木粉有着浓烈的香味，可使诸虫远避，加入到复合板材内可有效地改善周围环境，能够有效地驱除蚊虫，而 花椒粉气味芳香，也具有驱虫的作用，雄黄粉也能够防虫。
本发明提供的建筑用增强型木塑复合板材具有较佳的强度、韧性和抗冲击等性能，而且木塑复合板材有类似木质的外观，但比木材尺寸稳定性好，无裂纹、翘曲、节疤，硬度比塑料高，物理力学性能好，可使用通用的木工加工方法来 进行二次加工，防水、防腐、防虫蛀、耐老化，可重复回收利用，对环境友好。由于含有水镁石粉，所以具有较佳地防水能力，由于添加有MBS助剂，所以具有较佳地韧性。
本发明提供的建筑用增强型木塑复合板材的制备方法中，依次加入原料，使得制作出来的木塑复合板材结构稳定，质量佳。
具体实施方式
以下结合具体实施例对发明作进一步详细的描述。
实施例1
一种建筑用增强型木塑复合板材，包括以下重量份的原料：聚氯乙烯树脂粉50-60份、碳酸钙27份、发泡剂1.5份、樟木粉10份、发泡调节剂12份、润滑剂4份、硬脂酸1份、偶联剂1份、水镁石粉10份、MBS助剂4份、花椒粉4份、雄黄粉1份。
其中，聚氯乙烯树脂粉为SG-5型、SG-8型的混合，两者质量比为3:1，碳酸钙为轻质活性碳酸钙，发泡剂为MSV-206型。
碳酸钙为轻质活性碳酸钙。
花椒粉为400目花椒粉，雄黄粉为200目雄黄粉，水镁石粉为400目水镁石粉。
润滑剂为硬脂酸酯。
发泡剂为黄发泡剂和白发泡剂，两者质量比为1：1.2，黄发泡剂为偶氮二甲酰胺、偶氮二异丁晴、亚硝基类发泡剂或酰肼类发泡剂；白发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
本实施例还提供了一种建筑用增强型木塑复合板材的制备方法，包括以下步骤：
（1）、按上述重量份分别称取各种原料；
（2）、樟木粉和花椒粉的预处理，将樟木粉和花椒粉放入干燥箱在100℃下干燥12h，然后将干燥的樟木粉、花椒粉和硬脂酸放入高混机内混合1h，得到混合物；
（3）、将步骤（2）中的混合物、聚氯乙烯树脂粉、碳酸钙、水镁石粉加入搅拌机混合30min，转速为600r/min，温度控制为100℃，得到混合物；
（4）、将步骤（3）中的混合物中加入发泡剂、发泡调节剂、润滑剂、偶联剂、MBS助剂继续搅拌10min，转速为1200r/min，温度控制为130℃，得到混合物；
（5）、将步骤（4）中的混合物中加入雄黄粉继续搅拌1min，转速为1200r/min，稳定控制为130℃，得到混合物；
（6）、将步骤（5）中混合物进入到平行双螺杆挤出机进行挤出加工，熔融物料经螺杆进入合流芯分流至发泡模具，然后离模定型。
其中，步骤（6）中分流至发泡模具后，将模具放入平板硫化机中5min，压力为3MPa，泄压，重复此操作2次，再将压力升至10MPa，10min，泄压，接着将压力升至14MPa，5min后取出，冷压10min。
实施例2
本实施例提供了一种建筑用增强型木塑复合板材，包括以下重量份的原料：聚氯乙烯树脂粉50份、碳酸钙22份、发泡剂0.5份、樟木粉5份、发泡调节剂6份、润滑剂1份、硬脂酸0.5份、偶联剂0.5份、水镁石粉4份、MBS助剂2份、花椒粉2份、雄黄粉0.5份。
其中，聚氯乙烯树脂粉为SG-5型、SG-8型的混合，两者质量比为2：1，碳酸钙为轻质活性碳酸钙，发泡剂为MSV-206型。
碳酸钙为轻质活性碳酸钙。
花椒粉为400目花椒粉，雄黄粉为200目雄黄粉，水镁石粉为400目水镁石粉。
润滑剂为硬脂酸酯。
发泡剂为黄发泡剂和白发泡剂，两者质量比为1：1.2，黄发泡剂为偶氮二甲酰胺、偶氮二异丁晴、亚硝基类发泡剂或酰肼类发泡剂；白发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
本实施例还提供了一种建筑用增强型木塑复合板材的制备方法，包括以下步骤：
（1）、按上述重量份分别称取各种原料；
（2）、樟木粉和花椒粉的预处理，将樟木粉和花椒粉放入干燥箱在100℃下干燥12h，然后将干燥的樟木粉、花椒粉和硬脂酸放入高混机内混合1h，得到混合物；
（3）、将步骤（2）中的混合物、聚氯乙烯树脂粉、碳酸钙、水镁石粉加入搅拌机混合30min，转速为500r/min，温度控制为80℃，得到混合物；
（4）、将步骤（3）中的混合物中加入发泡剂、发泡调节剂、润滑剂、偶联剂、MBS助剂继续搅拌8min，转速为1000r/min，温度控制为120℃，得到混合物；
（5）、将步骤（4）中的混合物中加入雄黄粉继续搅拌1min，转速为1200r/min，稳定控制为120℃，得到混合物；
（6）、将步骤（5）中混合物进入到平行双螺杆挤出机进行挤出加工，熔融物料经螺杆进入合流芯分流至发泡模具，然后离模定型。
其中，步骤（6）中分流至发泡模具后，将模具放入平板硫化机中3min，压力为1MPa，泄压，重复此操作2次，再将压力升至7MPa，6min，泄压，接着将压力升至12MPa，5min后取出，冷压10min。
实施例3
本实施例提供的一种建筑用增强型木塑复合板材，包括以下重量份的原料：聚氯乙烯树脂粉55份、碳酸钙25份、发泡剂1份、樟木粉8份、发泡调节剂10份、润滑剂3份、硬脂酸0.8份、偶联剂0.8份、水镁石粉6份、MBS助剂3份、花椒粉3份、雄黄粉0.8份。
其中，聚氯乙烯树脂粉为SG-5型、SG-8型的混合，两者质量比为3：1，碳酸钙为轻质活性碳酸钙，发泡剂为MSV-206型。
碳酸钙为轻质活性碳酸钙。
花椒粉为400目花椒粉，雄黄粉为200目雄黄粉，水镁石粉为400目水镁石粉。
润滑剂为硬脂酸酯。
发泡剂为黄发泡剂和白发泡剂，两者质量比为1：1.2，黄发泡剂为偶氮二甲酰胺、偶氮二异丁晴、亚硝基类发泡剂或酰肼类发泡剂；白发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
本实施例还提供了一种建筑用增强型木塑复合板材的制备方法，包括以下步骤：
（1）、按上述重量份分别称取各种原料；
（2）、樟木粉和花椒粉的预处理，将樟木粉和花椒粉放入干燥箱在100℃下干燥12h，然后将干燥的樟木粉、花椒粉和硬脂酸放入高混机内混合1h，得到混合物；
（3）、将步骤（2）中的混合物、聚氯乙烯树脂粉、碳酸钙、水镁石粉加入搅拌机混合30min，转速为550r/min，温度控制为90℃，得到混合物；
（4）、将步骤（3）中的混合物中加入发泡剂、发泡调节剂、润滑剂、偶联剂、MBS助剂继续搅拌9min，转速为1100r/min，温度控制为125℃，得到混合物；
（5）、将步骤（4）中的混合物中加入雄黄粉继续搅拌1min，转速为1200r/min，稳定控制为125℃，得到混合物；
（6）、将步骤（5）中混合物进入到平行双螺杆挤出机进行挤出加工，熔融物料经螺杆进入合流芯分流至发泡模具，然后离模定型。
其中，步骤（6）中分流至发泡模具后，将模具放入平板硫化机中4min，压力为2MPa，泄压，重复此操作2次，再将压力升至8MPa，8min，泄压，接着将压力升至13MPa，5min后取出，冷压10min。
性能测试：根据GB/T 24508-2009和GB/T 18102-2007检测标准，实施例1-3中的建筑用增强型木塑复合板材低温落锤冲击实验-10℃无裂纹，常温落球冲击凹坑直径≤5mm ，吸水尺寸变化率长度方向、宽度方向和厚度方向上均小于0.1%，吸水率≤0.5%，所以增强型木塑复合板材有较佳的强度、韧性和抗冲击等性能，而且能有效地改善周围环境，驱除蚊虫。
以上所述仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (8)

1.一种建筑用增强型木塑复合板材，其特征在于：包括以下重量份的原料：聚氯乙烯树脂粉50-60份、碳酸钙22-27份、发泡剂0.5-1.5份、樟木粉5-10份、发泡调节剂6-12份、润滑剂1-4份、硬脂酸0.5-1份、偶联剂0.5-1份、水镁石粉4-10份、MBS助剂2-4份、花椒粉2-4份、雄黄粉0.5-1份。
2.根据权利要求1所述的建筑用增强型木塑复合板材，其特征在于：聚氯乙烯树脂粉为SG-5型、SG-8型的一种或多种，碳酸钙为轻质活性碳酸钙，发泡剂为MSV-206型。
3.根据权利要求1所述的建筑用增强型木塑复合板材，其特征在于：碳酸钙为轻质活性碳酸钙。
4.根据权利要求1所述的建筑用增强型木塑复合板材，其特征在于：花椒粉为400目花椒粉，雄黄粉为200目雄黄粉，水镁石粉为400目水镁石粉。
5.根据权利要求1所述的建筑用增强型木塑复合板材，其特征在于：润滑剂为硬脂酸酯、硬脂酸醇化合物、硬脂酸酰胺类、脂肪酸金属皂类、聚乙烯蜡、石蜡或氧化聚乙烯的一种或多种。
6.根据权利要求1所述的建筑用增强型木塑复合板材，其特征在于：发泡剂为黄发泡剂和白发泡剂，两者质量比为1：1.2，黄发泡剂为偶氮二甲酰胺、偶氮二异丁晴、亚硝基类发泡剂或酰肼类发泡剂；白发泡剂为碳酸氢钠、碳酸氢铵、碳酸铵或叠氮化合物。
7.一种权利要求1~6任意一项所述的建筑用增强型木塑复合板材的制备方法，其特征在于：包括以下步骤：
（1）、按上述重量份分别称取各种原料；
（2）、樟木粉和花椒粉的预处理，将樟木粉和花椒粉放入干燥箱在100℃下干燥12h，然后将干燥的樟木粉、花椒粉和硬脂酸放入高混机内混合1h，得到混合物；
（3）、将步骤（2）中的混合物、聚氯乙烯树脂粉、碳酸钙、水镁石粉加入搅拌机混合30min，转速为500-600r/min，温度控制为80-100℃，得到混合物；
（4）、将步骤（3）中的混合物中加入发泡剂、发泡调节剂、润滑剂、偶联剂、MBS助剂继续搅拌8-10min，转速为1000-1200r/min，温度控制为120-130℃，得到混合物；
（5）、将步骤（4）中的混合物中加入雄黄粉继续搅拌1min，转速为1200r/min，稳定控制为120-130℃，得到混合物；
（6）、将步骤（5）中混合物进入到平行双螺杆挤出机进行挤出加工，熔融物料经螺杆进入合流芯分流至发泡模具，然后离模定型。
8.根据权利要求7所述的清香型纤维增强复合发泡水泥板的制备方法，其特征在于：步骤（6）中分流至发泡模具后，将模具放入平板硫化机中3-5min，压力为1-3MPa，泄压，重复此操作2次，再将压力升至7-10MPa，6-10min，泄压，接着将压力升至12-14MPa，5min后取出，冷压10min。
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