CN108636133A - 一种石墨烯复合膜及其制备方法 - Google Patents

一种石墨烯复合膜及其制备方法 Download PDF

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CN108636133A
CN108636133A CN201810440212.XA CN201810440212A CN108636133A CN 108636133 A CN108636133 A CN 108636133A CN 201810440212 A CN201810440212 A CN 201810440212A CN 108636133 A CN108636133 A CN 108636133A
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周贤敏
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Chongqing New Kang Yi Xin Dahl New Material Co Ltd
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Chongqing New Kang Yi Xin Dahl New Material Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/021Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0079Manufacture of membranes comprising organic and inorganic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes

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  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

本发明涉及滤膜技术领域,具体涉及一种石墨烯复合膜及其制备方法。石墨烯复合膜从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;所述骨架层为二氧化钛骨架层;所述第一粘结层、第二粘结层均由氨基树脂20‑30份、甘油5‑8份等组分制成;所述基材层为PET。在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。本发明通过合理设计各层组分及加工工艺、粘结层的组分构成,从而使产品具有优异的耐氧化性。同时,通过粘结层的加入,使复合膜的粘黏性较好,产品使用寿命长。

Description

一种石墨烯复合膜及其制备方法
技术领域
本发明涉及滤膜技术领域,具体涉及一种石墨烯复合膜及其制备方法。
背景技术
滤膜水处理是固液分离技术,它是以膜孔把水滤过,将水中杂质截留,而没有化学变化,处理简易的技术,但因膜孔非常细小,相应的存在某些技术问题。在给水也有用生物膜处理原水的方法,但它与过滤膜分离技术不同。
过滤膜以截留原水颗粒的大小分类,膜孔从粗到细分为微滤膜(MF),超滤膜(UF),纳诺滤膜(NF)和反渗透膜(RO)。MF膜孔径0.05um以上,或为1000以上分子量,以去除胶体、高分子有机物为对象。NF膜孔径为100~1000分子量。它去除的物质在UF与RO之间,以去除三卤甲烷、异味、色度、农药、可溶性有机物、Ca、Mg等。RO分离粒径为数十分子量,以去除食盐类和无机盐为对象。RO渗透水的压力比其渗透压力要多1~2倍。除以上四种以外,还有离子交换膜和气体渗透膜。MF、UF、NF和RO以压力驱动使固液分离。离子交换膜则以电力驱动使盐类分子分离,促成海水淡化等。气体渗透膜是研究出来通过气体的新型膜,能使乙醇浓缩和海水淡化。
石墨烯复合膜,作为新兴的产业,近年来,正快速发展。但是,现有的石墨烯复合膜主要存在耐氧化性差等缺陷
发明内容
为了解决现有技术中存在的技术问题,本发明提出了一种石墨烯复合膜及其制备方法,具有优异的耐氧化性。
本发明的技术方案是:一种石墨烯复合膜,从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;
所述骨架层为二氧化钛骨架层;
所述第一粘结层、第二粘结层均由氨基树脂20-30份、甘油5-8份、流平剂2-4份、聚有机硅氧烷2-4份、溶剂5-9份、牡丹酚2-4份和戊菌隆1-2份制成;
所述基材层为PET。
作为本发明的优选实施例,所述第一粘结层、第二粘结层均由氨基树脂25份、甘油7份、流平剂3份、聚有机硅氧烷2.5份、溶剂8份、牡丹酚3份和戊菌隆1.8份制成。
一种制备石墨烯复合膜的方法,在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。
本发明的有益效果表现在:
通过合理设计各层组分及加工工艺、粘结层的组分构成,从而使产品具有优异的耐氧化性。同时,通过粘结层的加入,使复合膜的粘黏性较好,产品使用寿命长。
具体实施方式
实施例1
一种石墨烯复合膜,从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;
所述骨架层为二氧化钛骨架层;
所述第一粘结层、第二粘结层均由氨基树脂20份、甘油8份、流平剂2份、聚有机硅氧烷4份、溶剂5份、牡丹酚4份和戊菌隆1份制成;
所述基材层为PET。
一种制备石墨烯复合膜的方法,在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。
实施例2
一种石墨烯复合膜,从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;
所述骨架层为二氧化钛骨架层;
所述第一粘结层、第二粘结层均由氨基树脂30份、甘油5份、流平剂4份、聚有机硅氧烷2份、溶剂9份、牡丹酚2份和戊菌隆2份制成;
所述基材层为PET。
一种制备石墨烯复合膜的方法,在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。
实施例3
一种石墨烯复合膜,从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;
所述骨架层为二氧化钛骨架层;
所述第一粘结层、第二粘结层均由氨基树脂25份、甘油7份、流平剂3份、聚有机硅氧烷2.5份、溶剂8份、牡丹酚3份和戊菌隆1.8份制成;
所述基材层为PET。
一种制备石墨烯复合膜的方法,在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。
以上内容仅仅是对本发明的构思所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明的构思或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。

Claims (3)

1.一种石墨烯复合膜,其特征在于,从上到下依次设置有氧化石墨烯层、第一粘结层、骨架层、第二粘结层和基材层;
所述骨架层为二氧化钛骨架层;
所述第一粘结层、第二粘结层均由氨基树脂20-30份、甘油5-8份、流平剂2-4份、聚有机硅氧烷2-4份、溶剂5-9份、牡丹酚2-4份和戊菌隆1-2份制成;
所述基材层为PET。
2.如权利要求1所述的石墨烯复合膜,其特征在于,所述第一粘结层、第二粘结层均由氨基树脂25份、甘油7份、流平剂3份、聚有机硅氧烷2.5份、溶剂8份、牡丹酚3份和戊菌隆1.8份制成。
3.一种制备如权利要求1或2所述石墨烯复合膜的方法,其特征在于,在复合机中将骨架层通过第二粘结层复合在基材层上,然后通过第一粘结层将氧化石墨烯层复合在骨架层上。
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Citations (5)

* Cited by examiner, † Cited by third party
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CN101007934A (zh) * 2007-01-25 2007-08-01 南京工业大学 一种复合薄膜用水性聚氨酯胶粘剂及其制备方法
WO2015142938A1 (en) * 2014-03-17 2015-09-24 Washington University Composite nanostructures having a crumpled graphene oxide shell
CN205127764U (zh) * 2015-07-09 2016-04-06 山东碳为石墨烯科技有限公司 石墨烯复合滤膜
CN106113731A (zh) * 2016-06-23 2016-11-16 深圳市莱必德电子材料有限公司 石墨烯导热散热膜
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CN101007934A (zh) * 2007-01-25 2007-08-01 南京工业大学 一种复合薄膜用水性聚氨酯胶粘剂及其制备方法
WO2015142938A1 (en) * 2014-03-17 2015-09-24 Washington University Composite nanostructures having a crumpled graphene oxide shell
CN205127764U (zh) * 2015-07-09 2016-04-06 山东碳为石墨烯科技有限公司 石墨烯复合滤膜
CN106113731A (zh) * 2016-06-23 2016-11-16 深圳市莱必德电子材料有限公司 石墨烯导热散热膜
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