CN111647219A - 一种聚乙烯塑料薄膜专用抗静电剂母料 - Google Patents
一种聚乙烯塑料薄膜专用抗静电剂母料 Download PDFInfo
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Abstract
本发明提供了一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:聚乙烯(PE)树脂、PE‑g‑AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为,PE母料:10‑60%、PE‑g‑AA:10‑40%、KOH:3‑5%、碳纳米管:0.01‑0.1%、聚乙二醇5‑30%、山梨糖醇脂肪酸酯:5‑20%、和甘油脂肪酸5‑20%,本发明提利用碳纳米管具有良好的导电性能,通过与PE母料、PE‑g‑AA、KOH米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯等混合添加,使得使用该塑料用抗静电剂母料的塑料具有优异的抗静电性能,本发明配料简单,仅使用双螺杆挤出机就可以加工生产,能耗极低,综合生产成本下降,本发明应用于PE塑料膜,表面电阻低,抗静电能力强,可见光透过性好。
Description
技术领域
本发明涉及本发明属于塑料技术领域,具体涉及一种聚乙烯塑料薄膜专用抗静电剂母料。
背景技术
任何物体都带有本身的静电荷,静电荷的聚集使到生活或者工业生产受到影响甚至危害,将聚集的有害电荷导引或消除使其不对生产和生活造成不便或危害的化学品称为抗静电剂。
根据使用方式的不同,抗静电剂可以分为外涂型和内混型两种。各种抗静电剂分子除可赋予高分子材料表面一定的润滑性、降低摩擦系数、抑制和减少静电荷产生外,不同类型的抗静电剂不仅化学组成和使用方式不同,而且作用机理也不同。
外涂型抗静电剂是指涂在高分子材料表面所用的一类抗静电剂。一般用前用水或醇等将其调配成溶液,然后通过涂布、喷涂或浸渍等方法附着在高分子材料表面,再经过室温或热空气干燥而形成抗静电涂层。此种多为阳离子型抗静电剂,也有部分两性型或阴离子型抗静电剂。这种外用抗静电剂虽然适用于多种聚合物,但它们的效力只是暂时的,与溶剂接触或与受到磨擦后容易掉失而失效。
内混型抗静电剂是指在加工过程中添加到树脂内的一类抗静电剂。常将树脂和抗静电剂机械混合后再加工成型。此种以非离子型和高分子永久型抗静电剂为主,也有部分阴、阳离子型。内用抗静电剂是在聚合物加工过程中掺合于其中,这样的抗静电剂能够补充因搬运处理而被磨蚀的抗静电功能,因此,内用抗静电剂具有长期的抗静电保护作用。
碳纳米管作为一维纳米材料,重量轻,六边形结构连接完美,具有许多异常的力学、电学和化学性能。近些年随着碳纳米管及纳米材料研究的深入其广阔的应用前景也不断地展现出来。
碳纳米管,又名巴基管,是一种具有特殊结构(径向尺寸为纳米量级,轴向尺寸为微米量级,管子两端基本上都封口)的一维量子材料。碳纳米管主要由呈六边形排列的碳原子构成数层到数十层的同轴圆管。层与层之间保持固定的距离,约0.34nm,直径一般为2~25nm。碳纳米管上碳原子的P电子形成大范围的离域π键,由于共轭效应显著,碳纳米管具有一些特殊的电学性质,碳纳米管具有良好的导电性能,由于碳纳米管的结构与石墨的片层结构相同,所以具有很好的电学性能。
发明内容
针对现有技术存在的问题本发明提供了一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数可以是10-60%中的任意值,如10%、30%或60%等,所述PE-g-AA的质量百分数可以是10-40%中的任意值,如10%、30%或40%等,所述KOH的质量百分数可以是3-5%中的任意值,如3%、4%或5%等,所述碳纳米管的质量百分数可以是0.01-0.1%中的任意值,如0.01%,0.05%或0.1%等,所述聚乙二醇的质量百分数可以是5%-30%中的任意值,如5%、20%或30%等,所述山梨糖醇脂肪酸酯的质量百分数可以是5%-30%中的任意值,如5%、15%或30%等,所述甘油脂肪酸的质量百分数可以是5-20%中的任意值,如5%、15%或20%等。
优选的是:所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的一种。
优选的是:所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒。
优选的是:所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
本发明具有以下有益效果:
本发明提利用碳纳米管具有良好的导电性能,通过与PE母料、PE-g-AA、KOH米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯等混合添加,使得使用该塑料用抗静电剂母料所制得的聚乙烯薄膜表面电阻低至108Ω数量级,具有优异的抗静电能力,同时具有很好的可见光透过率。
本发明配料简单,无需考虑复杂的合成化学结构改变,仅使用双螺杆挤出机就可以加工生产,能在较短的时间内成一种均质的复合物,能耗极低,劳动生产率较高、综合生产成本下降。
具体实施方式
下面对本发明做进一步的详细说明,以令本领域技术人员参照说明书文字能够据以实施。
实施例1
一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数为60%,所述PE-g-AA的质量百分数为10%,所述KOH的质量百分数为3%,所述碳纳米管的质量百分数为0.01%,所述聚乙二醇的质量百分数为5%,所述山梨糖醇脂肪酸酯的质量百分数为5%,所述甘油脂肪酸的质量百分数为16.99%。
所述碳纳米管为直径15-25纳米的单层碳纳米管或双层碳纳米管,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的任意种均可,实际操作中,采用单酸种或任意比例的混酸加热后的浓酸液对碳纳米管进行表面氧化,使碳纳米管的性质更加稳定。
所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒,所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
实施例2
一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数为10%,所述PE-g-AA的质量百分数为40%,所述KOH的质量百分数为5%,所述碳纳米管的质量百分数为0.1%,所述聚乙二醇的质量百分数为20%,所述山梨糖醇脂肪酸酯的质量百分数为10%,所述甘油脂肪酸的质量百分数为14.99%。
所述碳纳米管为直径15-25纳米的单层碳纳米管或双层碳纳米管,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的任意种均可,实际操作中,采用单酸种或任意比例的混酸加热后的浓酸液对碳纳米管进行表面氧化,使碳纳米管的性质更加稳定。
所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒,所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
实施例3
一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数为20.95%,所述PE-g-AA的质量百分数为20%,所述KOH的质量百分数为4%,所述碳纳米管的质量百分数为0.05%,所述聚乙二醇的质量百分数为30%,所述山梨糖醇脂肪酸酯的质量百分数为20%,所述甘油脂肪酸的质量百分数为5%。
所述碳纳米管为直径15-25纳米的单层碳纳米管或双层碳纳米管,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的任意种均可,实际操作中,采用单酸种或任意比例的混酸加热后的浓酸液对碳纳米管进行表面氧化,使碳纳米管的性质更加稳定。
所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒,所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
实施例4
一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数为40%,所述PE-g-AA的质量百分数为15.95%,所述KOH的质量百分数为4%,所述碳纳米管的质量百分数为0.05%,所述聚乙二醇的质量百分数为10%,所述山梨糖醇脂肪酸酯的质量百分数为10%,所述甘油脂肪酸的质量百分数为20%。
所述碳纳米管为直径15-25纳米的单层碳纳米管或双层碳纳米管,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的任意种均可,实际操作中,采用单酸种或任意比例的混酸加热后的浓酸液对碳纳米管进行表面氧化,使碳纳米管的性质更加稳定。
所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒,所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
实施例5
一种聚乙烯塑料薄膜专用抗静电剂母料,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为:所述PE母料的质量百分数为40%,所述PE-g-AA的质量百分数为15%,所述KOH的质量百分数为4%,所述碳纳米管的质量百分数为0.05%,所述聚乙二醇的质量百分数为15%,所述山梨糖醇脂肪酸酯的质量百分数为15%,所述甘油脂肪酸的质量百分数为10.95%。
所述碳纳米管为直径15-25纳米的单层碳纳米管或双层碳纳米管,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的任意种均可,实际操作中,采用单酸种或任意比例的混酸加热后的浓酸液对碳纳米管进行表面氧化,使碳纳米管的性质更加稳定。
所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒,所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
上述各个实施例中,双螺杆挤出机采用的温度为的塑料用抗静电剂母料造粒的常规温度,根据实际操作随机选择上述温度区间内的任意温度即可。
上述各实施例中实施例5中该塑料用抗静电剂母料的各成分的比例适中,PE为较好的载体,添加该塑料用抗静电剂母料的塑料的抗静电性能最佳,为最佳实施例。
在实际使用中,该塑料用抗静电剂母料的添加比例塑料总重量的5%-40%。
将实施例5中得到的PE膜用抗静电剂母料按不同比例与PE树脂共混并吹膜,得到的PE膜表面电阻率和可见光透过率的测量结果如下表所示:
通过上述试验数据可知,本发明提供的塑料用抗静电剂母料与PE树脂共混吹膜后得到的PE薄膜表面电阻率的大幅度提高,抗静电能力强,而且抗静电性能稳定,其中当本发明提供的塑料用抗静电剂母料添加量为40%时,得到的材料表面电阻率可以达到2.3×108Ω,可见光透过率可达78%,远远优于现有的其他塑料薄膜用抗静电剂母料。
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用。它完全可以被适用于各种适合本发明的领域。对于熟悉本领域的人员而言,可容易地实现另外的修改。因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节。
Claims (4)
1.一种聚乙烯塑料薄膜专用抗静电剂母料,其特征在于,包括以下组分:PE母料、PE-g-AA、KOH、碳纳米管、聚乙二醇、山梨糖醇脂肪酸酯和甘油脂肪酸酯,所述各组分按质量百分数为,PE母料:10-60%、PE-g-AA:10-40%、KOH:3-5%、碳纳米管:0.01-0.1%、聚乙二醇5-30%、山梨糖醇脂肪酸酯:5-20%、和甘油脂肪酸5-20%。
2.根据权利要求2所述的一种聚乙烯塑料薄膜专用抗静电剂母料,其特征在于,所述碳纳米管使用浓酸对碳纳米管进行氧化处理,所述浓酸为浓硝酸或浓硫酸中的一种。
3.根据权利要求1-2中任意一项所述的一种聚乙烯塑料薄膜专用抗静电剂母料,其特征在于:所述塑料用抗静电剂母料需用双螺杆挤出机挤出造粒。
4.根据权利要求4所述的一种聚乙烯塑料薄膜专用抗静电剂母料,其特征在于:所述双螺杆温度条件为:一段120-150℃,二段150-190℃,三段150-190℃,四段150-190℃,机头150-190℃。
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