CN110437396A - 一种环保型耐寒阻燃pp塑料及其制备方法 - Google Patents
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Abstract
本发明提供一种环保型耐寒阻燃PP塑料及其制备方法,具体涉及塑料生产领域,其中,共聚PP为90至100份,均聚PP为45至50份;增韧剂为10至15份、石墨烯为6至10份;水镁石为4至8份;植物纤维淀粉4至10分;润滑剂10至15份;白炭黑1至3份;氧化锌8至10份;苯乙烯15至20份;S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨40至60分钟,筛分后得到混合原料1;S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合50至80分钟,混合后得到混合原料2;S3、将混合原料2送入螺杆挤出机内,挤出料即得产品。本发明可生产出具有良好的耐寒和抗阻燃性,且易降解的PP塑料。
Description
技术领域
本发明属于塑料生产领域,具体涉及一种环保型耐寒阻燃PP塑料及其制备方法。
背景技术
PP塑料即聚丙烯是丙烯加聚反应而成的聚合物,系白色蜡状材料,外观透明而轻。密度为密度为0.89~0.91g/cm3,易燃,熔点165℃,在155℃左右软化,使用温度范围为至30~140℃;在80℃以下能耐酸、碱、盐液及多种有机溶剂的腐蚀,能在高温和氧化作用下分解;PP塑料广泛应用于纤维制品、医疗器械、化工容器等生产,也用于食品、药品包装。但现有的PP塑料具有易燃烧、低温易开裂,进而导致其韧性和抗冲击性能差的弊端,大大限制了其应用范围;且由于PP塑料的制品降解周期长,导致产品难以回收循环利用;
针对上述不足,现需要一种环保型耐寒阻燃PP塑料及其制备方法,可生产出具有良好的耐寒和抗阻燃性,且易降解的PP塑料。
发明内容
本发明的目的是提供一种环保型耐寒阻燃PP塑料及其制备方法,可生产出具有良好的耐寒和抗阻燃性,且易降解的PP塑料。
本发明提供了如下的技术方案:
一种环保型耐寒阻燃PP塑料,其具体质量份数如下:共聚PP为90至100份,均聚PP为45至50份;增韧剂为10至15份、石墨烯为6至10份;水镁石为4至8份;植物纤维淀粉4至10分;润滑剂10至15份;白炭黑1至3份;氧化锌8至10份;苯乙烯15至20份;
优选的,共聚PP为94份,均聚PP为47份;增韧剂为12份、石墨烯为8份;水镁石为6份;植物纤维淀粉7分;润滑剂12份;白炭黑2份;氧化锌9份;苯乙烯17份,且共聚PP和均聚PP份数为2:1。
优选的,所述共聚PP为嵌段共聚物,且数均分子量在1500~5500之间;所述增韧剂为乙烯至醋酸乙烯共聚物;所述润滑剂为EBS;
一种环保型耐寒阻燃PP塑料的制备方法,其具体步骤如下:
S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨40至60分钟,筛分后得到混合原料1;
S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合50至80分钟,混合后得到混合原料2;
S3、将混合原料2送入螺杆挤出机内,挤出料即得产品;
优选的,将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨50分钟,并通过150目的筛网进行筛分得到混合原料1;
优选的,S2步骤中,往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合65分钟。
优选的,螺杆挤出机的温度为170至200℃,挤出时间为4至6秒。
本发明的有益效果:
1、本发明将共聚PP与均聚PP进行结合,通过增韧剂和白炭黑的辅助作用,可使制得的PP塑料在低温条件下,仍具有的物理性能,确保其使用的广泛性。
2、本发明获得的PP塑料具备良好的阻燃性能,水镁石在塑料中可有效的分散均匀,且具有耐高温的特性,可使本产品阻燃性得到有效保证。
3、本发明制备制得的PP塑料强度高、韧性好,自然降解周期缩短且产品可重新回收利用,环保性能好;通过白炭黑和石墨烯,可提高产品的耐高温、抗压和耐腐蚀的性能,可有效确保产品的使用寿命。
具体实施方式
实施例1:
一种环保型耐寒阻燃PP塑料,其具体质量份数如下:共聚PP为90份,均聚PP为45份;增韧剂为10份、石墨烯为6份;水镁石为4份;植物纤维淀粉4分;润滑剂10份;白炭黑1份;氧化锌8份;苯乙烯15份;所述共聚PP为嵌段共聚物,且数均分子量在1500;所述增韧剂为乙烯至醋酸乙烯共聚物;所述润滑剂为EBS;
一种环保型耐寒阻燃PP塑料的制备方法,其具体步骤如下:
S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨40分钟,并通过150目的筛网进行筛分得到混合原料1;
S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合50分钟,混合后得到混合原料2;
S3、将混合原料2送入螺杆挤出机内,螺杆挤出机的温度为170℃,挤出时间为4秒,挤出料即得产品;
实施例2:
一种环保型耐寒阻燃PP塑料,其具体质量份数如下:共聚PP为94份,均聚PP为47份;增韧剂为12份、石墨烯为8份;水镁石为6份;植物纤维淀粉7分;润滑剂12份;白炭黑2份;氧化锌9份;苯乙烯17份,且共聚PP和均聚PP份数为2:1;所述共聚PP为嵌段共聚物,且数均分子量在3500;所述增韧剂为乙烯至醋酸乙烯共聚物;所述润滑剂为EBS。
一种环保型耐寒阻燃PP塑料的制备方法,其具体步骤如下:
S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨50分钟,通过150目筛网筛分后得到混合原料1;
S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合65分钟,混合后得到混合原料2;
S3、将混合原料2送入螺杆挤出机内,螺杆挤出机的温度为185℃,挤出时间为5秒,挤出料即得产品;
实施例3:
一种环保型耐寒阻燃PP塑料,其具体质量份数如下:共聚PP为100份,均聚PP为50份;增韧剂为15份、石墨烯为10份;水镁石为8份;植物纤维淀粉10分;润滑剂15份;白炭黑3份;氧化锌10份;苯乙烯20份;所述共聚PP为嵌段共聚物,且数均分子量在5500;所述增韧剂为乙烯至醋酸乙烯共聚物;所述润滑剂为EBS;
一种环保型耐寒阻燃PP塑料的制备方法,其具体步骤如下:
S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨60分钟,并通过150目的筛网进行筛分得到混合原料1;
S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合80分钟,混合后得到混合原料2;
S3、将混合原料2送入螺杆挤出机内,螺杆挤出机的温度为200℃,挤出时间为6秒,挤出料即得产品。
实验数据分析:
实施例1随机抽检6个样品,分别标记为A1、A2、A3、A4、A5、A6
实施例2随机抽检6个样品,分别标记为B1、B2、B3、B4、B5、B6
实施例3随机抽检6个样品,分别标记为C1、C2、C3、C4、C5、C6
将上述样品,进行通过针焰试验进行阻燃测试,以45°角定时定向施燃试品,视试品是否引燃及持燃时间和燃烧长度来评定设备内部因故障条件造成的小火焰的着火危险性,实验结果显示本产品阻燃性能优异;
抗寒测试:将上述样品先在温度为-40℃环境中,分别放置16小时、72小时、96小时放置,取出于常湿常温中放置2小时后,其物理和化学性能,无明显变化,本产品抗寒性优异;
以上仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种环保型耐寒阻燃PP塑料,其具体质量份数如下:共聚PP为90至100份,均聚PP为45至50份;增韧剂为10至15份、石墨烯为6至10份;水镁石为4至8份;植物纤维淀粉4至10分;润滑剂10至15份;白炭黑1至3份;氧化锌8至10份;苯乙烯15至20份。
2.根据权利要求1所述的一种环保型耐寒阻燃PP塑料,其特征在于:共聚PP为94份,均聚PP为47份;增韧剂为12份、石墨烯为8份;水镁石为6份;植物纤维淀粉7分;润滑剂12份;白炭黑2份;氧化锌9份;苯乙烯17份,且共聚PP和均聚PP份数为2:1。
3.根据权利要求2所述的一种环保型耐寒阻燃PP塑料,其特征在于:所述共聚PP为嵌段共聚物,且数均分子量在1500~5500之间;所述增韧剂为乙烯至醋酸乙烯共聚物;所述润滑剂为EBS。
4.一种环保型耐寒阻燃PP塑料其制备方法,其具体步骤如下:
S1、将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨40至60分钟,筛分后得到混合原料1;
S2、往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合50至80分钟,混合后得到混合原料2;
S3、将混合原料2送入螺杆挤出机内,挤出料即得产品。
5.根据权利要求4所述的一种环保型耐寒阻燃PP塑料制备方法,其特征在于:将共聚PP、均聚PP、苯乙烯、氧化锌、白炭黑、石墨烯和水镁石放入研磨机内研磨50分钟,并通过150目的筛网进行筛分得到混合原料1。
6.根据权利要求4所述的一种环保型耐寒阻燃PP塑料制备方法,其特征在于:S2步骤中,往混合原料1中加入植物纤维淀粉、增韧剂和润滑剂并投入混合釜内,混合65分钟。
7.根据权利要求4所述的一种环保型耐寒阻燃PP塑料制备方法,其特征在于:螺杆挤出机的温度为170至200℃,挤出时间为4至6秒。
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CN113024944A (zh) * | 2021-02-07 | 2021-06-25 | 孙兰 | 一种环保pp塑料的制备方法 |
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