CN104312050A - 一种基于玉米棒芯的pvc木塑复合材料及其制备方法 - Google Patents
一种基于玉米棒芯的pvc木塑复合材料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种基于玉米棒芯的PVC木塑复合材料,其特征是由下述重量份的原料制得:PVCSG-7 60-80,玉米棒芯30-40,陶砂6-8,重晶石粉4-6,钡锌复合稳定剂3-5,羊毛脂2-4,蓖麻油4-6,AC发泡剂1-2,富马酸二甲酯0.1-0.2,棕榈酸异丙酯2-4,肉豆蔻酸异丙酯2-4,发泡调节剂2-4,烷基磺酸苯酯6-8,复合助剂3-5。本发明的木塑复合材料采用农业废弃物玉米棒芯作为主要原料,具有轻质、硬度高、坚固耐用、抗老化、成本低的特点,实用性强。
Description
技术领域
本发明涉及复合材料技术领域,具体涉及一种基于玉米棒芯的PVC木塑复合材料及其制备方法。
背景技术
木塑复合材料是一种新兴的复合材料,是以木纤维或植物纤维为主要原料,填充、增强,经热压复合、熔融挤出等不同加工方式制成的改性热塑性材料,主要用于建材、家具、物流包装等行业。木塑复合材料融合了“木”和“塑”的双重优点,既能克服因木材强度低、变异性大及有机材料弹性模量低等造成的使用局限性,又能充分利用废弃的木材和塑料,节能减排,减少环境污染,提升材料的附加价值,是一种极具发展前途的新型材料。尤其是随着天然资源的日益减少和需求的增加,木塑复合材料的应用领域不断扩大,技术水平随之升级,市场前景十分广阔。
发明内容
本发明的目的是提供一种基于玉米棒芯的PVC木塑复合材料。
本发明是通过以下技术方案实现的:
一种基于玉米棒芯的PVC木塑复合材料,其特征在于,其是由下述重量份的原料制得:
PVC SG-7 60-80,玉米棒芯30-40,陶砂6-8,重晶石粉4-6,钡锌复合稳定剂3-5,羊毛脂2-4,蓖麻油4-6,AC发泡剂1-2,富马酸二甲酯0.1-0.2,棕榈酸异丙酯2-4,肉豆蔻酸异丙酯2-4,发泡调节剂2-4,烷基磺酸苯酯6-8,复合助剂3-5;
其中复合助剂由下列重量份的原料制成:
纳米氧化锌8-10,纳米氧化铝4-6,纳米二氧化硅3-5,三氧化二锑3-5,三乙醇胺2-4,白矿油4-6,橄榄油6-10,单宁酸0.3-0.5,单硬脂酸甘油酯1-2,铝酸酯偶联剂2-4;
其中复合助剂的制备方法是:
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10-15min,再加入单宁酸、三乙醇胺和铝酸酯偶联剂200-400r/min搅拌0.5-1h,过滤并洗涤,真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯80-90℃、800-1000r/min搅拌2-4h,过滤后洗涤干燥,即得。
一种基于玉米棒芯的PVC木塑复合材料的制备方法,其包括以下步骤:
(1)将陶砂和重晶石粉混合后300-400℃处理1-2h,冷却后加入玉米棒芯、羊毛脂、棕榈酸异丙酯、肉豆蔻酸异丙酯和蓖麻油共同研磨粉碎均匀,并于80-90℃、800-1000r/min条件下搅拌0.5-1h,得混合填料;
(2)将(1)中得到的混合填料与PVC SG-7、烷基磺酸苯酯、富马酸二甲酯和复合助剂混合后共同加入高混机,先于80-90℃高速混合20-30min,再加入其余原料120-140℃高速混合10-15min,随后加入螺杆挤出机中挤出成型,最后进行表面处理,即得成品。
本发明的优点是:
1. 采用农业废弃物玉米棒芯作为主要原料,来源广泛,成本低,通过工艺与配方的改进,制得的木塑复合材料具有轻质、硬度高、坚固耐用的特点,实用性强;
2. 通过添加复合助剂,使产品具有优异的抗菌性、抗老化性和抗蠕变性,质量稳定,使用寿命长。
具体实施方式
本发明非限定实施例如下:
一种基于玉米棒芯的PVC木塑复合材料,由下列重量(kg)的组分原料制备而成:
PVC SG-7 70,玉米棒芯35,陶砂7,重晶石粉5,钡锌复合稳定剂4,羊毛脂3,蓖麻油5,AC发泡剂1.5,富马酸二甲酯0.15,棕榈酸异丙酯3,肉豆蔻酸异丙酯3,发泡调节剂3,烷基磺酸苯酯7,复合助剂4;
其中,复合助剂由下列重量(kg)的原料制成:
纳米氧化锌9,纳米氧化铝5,纳米二氧化硅4,三氧化二锑4,三乙醇胺3,白矿油5,橄榄油8,单宁酸0.4,单硬脂酸甘油酯1.5,铝酸酯偶联剂3;
复合助剂的制备方法:
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10min,再加入单宁酸、三乙醇胺和铝酸酯偶联剂400r/min搅拌0.5h,过滤并洗涤,真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯90℃、1000r/min搅拌3h,过滤后洗涤干燥,即得。
基于玉米棒芯的PVC木塑复合材料的制备方法包括以下步骤:
(1)将陶砂和重晶石粉混合后400℃处理1h,冷却后加入玉米棒芯、羊毛脂、棕榈酸异丙酯、肉豆蔻酸异丙酯和蓖麻油共同研磨粉碎均匀,并于800℃、1000r/min条件下搅拌0.5h,得混合填料;
(2)将(1)中得到的混合填料与PVC SG-7、烷基磺酸苯酯、富马酸二甲酯和复合助剂混合后共同加入高混机,先于90℃高速混合20min,再加入其余原料140℃高速混合10min,随后加入螺杆挤出机中挤出成型,最后进行表面处理,即得成品。
本实施例产品按GB/T 29418-2012标准检测性能指标如下:
拉伸强度:15.5MPa,弯曲强度:19.8MPa。
Claims (2)
1.一种基于玉米棒芯的PVC木塑复合材料,其特征在于,其是由下述重量份的原料制得:
PVC SG-7 60-80,玉米棒芯30-40,陶砂6-8,重晶石粉4-6,钡锌复合稳定剂3-5,羊毛脂2-4,蓖麻油4-6,AC发泡剂1-2,富马酸二甲酯0.1-0.2,棕榈酸异丙酯2-4,肉豆蔻酸异丙酯2-4,发泡调节剂2-4,烷基磺酸苯酯6-8,复合助剂3-5;
所述复合助剂由下列重量份的原料制成:
纳米氧化锌8-10,纳米氧化铝4-6,纳米二氧化硅3-5,三氧化二锑3-5,三乙醇胺2-4,白矿油4-6,橄榄油6-10,单宁酸0.3-0.5,单硬脂酸甘油酯1-2,铝酸酯偶联剂2-4;
所述复合助剂的制备方法是:
将纳米氧化锌、纳米氧化铝、纳米二氧化硅和三氧化二锑加入适量乙醇中超声分散10-15min,再加入单宁酸、三乙醇胺和铝酸酯偶联剂200-400r/min搅拌0.5-1h,过滤并洗涤,真空干燥后加入白矿油、橄榄油和单硬脂酸甘油酯80-90℃、800-1000r/min搅拌2-4h,过滤后洗涤干燥,即得。
2.根据权利要求1所述的一种基于玉米棒芯的PVC木塑复合材料的制备方法,其特征在于,包括以下步骤:
(1)将陶砂和重晶石粉混合后300-400℃处理1-2h,冷却后加入玉米棒芯、羊毛脂、棕榈酸异丙酯、肉豆蔻酸异丙酯和蓖麻油共同研磨粉碎均匀,并于80-90℃、800-1000r/min条件下搅拌0.5-1h,得混合填料;
(2)将(1)中得到的混合填料与PVC SG-7、烷基磺酸苯酯、富马酸二甲酯和复合助剂混合后共同加入高混机,先于80-90℃高速混合20-30min,再加入其余原料120-140℃高速混合10-15min,随后加入螺杆挤出机中挤出成型,最后进行表面处理,即得成品。
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CN106380742A (zh) * | 2016-09-30 | 2017-02-08 | 湖南师范大学 | 一种pvc微晶木复合材料及其制备方法 |
CN106700395A (zh) * | 2016-12-22 | 2017-05-24 | 芜湖市宝艺游乐科技设备有限公司 | 一种高强度的玩具用塑料树脂 |
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CN103897262A (zh) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | 一种低成本高效隔音材料及其制作方法 |
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CN1475339A (zh) * | 2002-08-15 | 2004-02-18 | 孙建宁 | 阻燃抗静电聚氯乙烯复合管材及其制备方法 |
RU2011154172A (ru) * | 2011-12-29 | 2013-07-10 | ООО "Башпласт" | Электроизоляционная композиция |
CN103897262A (zh) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | 一种低成本高效隔音材料及其制作方法 |
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CN106380742A (zh) * | 2016-09-30 | 2017-02-08 | 湖南师范大学 | 一种pvc微晶木复合材料及其制备方法 |
CN106700395A (zh) * | 2016-12-22 | 2017-05-24 | 芜湖市宝艺游乐科技设备有限公司 | 一种高强度的玩具用塑料树脂 |
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