CN105218809A - A kind of Green Oxidant prepares the method for poly-o-phenylenediamine micron ball - Google Patents

A kind of Green Oxidant prepares the method for poly-o-phenylenediamine micron ball Download PDF

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CN105218809A
CN105218809A CN201510747759.0A CN201510747759A CN105218809A CN 105218809 A CN105218809 A CN 105218809A CN 201510747759 A CN201510747759 A CN 201510747759A CN 105218809 A CN105218809 A CN 105218809A
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phenylenediamine
poly
solution
microspheres
micron ball
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韩晓军
蒋坤朋
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Harbin Institute of Technology Shenzhen
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Harbin Institute of Technology Shenzhen
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Abstract

The invention discloses a kind of method that Green Oxidant prepares poly-o-phenylenediamine micron ball, its step is as follows: joined by the o-phenylenediamine solution of 1.0ml, 0.8 ~ 0.12mol/L in 1.0 ~ 2.0ml deionized water, stir, add the H of 0.5ml, 9 ~ 10mol/L 2o 2solution, leaves standstill, and after reaction carries out 45 ~ 50 hours, solution centrifugal is washed 2 ~ 4 times with deionized water, seasoning under room temperature condition, can obtain poly-o-phenylenediamine micron ball.The all processes of the method are carried out all at ambient temperature, simple to operate, favorable repeatability, and the poly-o-phenylenediamine micron ball obtained has potential using value at photoelectricity and sensor field.

Description

一种绿色氧化剂制备聚邻苯二胺微米球的方法Method for preparing poly-o-phenylenediamine microspheres with green oxidant

技术领域 technical field

本发明涉及一种聚邻苯二胺微米球的制备方法,尤其涉及一种在水相环境中采用绿色氧化剂双氧水制备聚邻苯二胺微米球的方法。 The invention relates to a method for preparing poly-o-phenylenediamine microspheres, in particular to a method for preparing poly-o-phenylenediamine microspheres by using green oxidant hydrogen peroxide in an aqueous phase environment.

背景技术 Background technique

邻苯二胺是一种重要的聚苯胺衍生物,与苯胺相比其邻位的氨基能够提供更多的可供修饰活泼官能团,在氧化剂存在的条件下,氨基能被氧化从而形成聚邻苯二胺。聚邻苯二胺对葡萄糖等物质具有优良的选择透过性,其电导率会随着水蒸汽压的改变而变化,且其对重金属离子具有优异的吸附能力,因此,聚邻苯二胺在生物传感器、湿度传感器及重金属离子传感器方面有巨大的应用价值。聚邻苯二胺微米球作为一种重要的聚邻苯二胺材料,在光电应用方面具有独特的特性,因此发明一种绿色、操作简单、可重复性好的合成工艺具有重要的理论价值和现实意义。 O-phenylenediamine is an important derivative of polyaniline. Compared with aniline, its ortho-amino group can provide more active functional groups for modification. In the presence of an oxidant, the amino group can be oxidized to form poly-o-phenylene diamine. Poly-o-phenylenediamine has excellent selective permeability to glucose and other substances, its conductivity will change with the change of water vapor pressure, and it has excellent adsorption capacity for heavy metal ions. Therefore, poly-o-phenylenediamine is It has great application value in biosensor, humidity sensor and heavy metal ion sensor. Poly-o-phenylenediamine microspheres, as an important poly-o-phenylenediamine material, have unique characteristics in optoelectronic applications, so it is of great theoretical value and Practical significance.

发明内容 Contents of the invention

本发明的目的是提供一种绿色氧化剂制备聚邻苯二胺微米球的方法,该方法所有过程均在室温条件下进行,操作简单,可重复性好,所得到的聚邻苯二胺微米球在光电和传感器领域有潜在的应用价值。 The purpose of the present invention is to provide a method for preparing poly-o-phenylenediamine microspheres with a green oxidant, all processes of the method are carried out at room temperature, the operation is simple, and the repeatability is good. The obtained poly-o-phenylenediamine microspheres It has potential application value in the fields of optoelectronics and sensors.

本发明的目的是通过以下技术方案实现的: The purpose of the present invention is achieved through the following technical solutions:

一种绿色氧化剂制备聚邻苯二胺微米球的方法,邻苯二胺单体在双氧水存在的条件下,被双氧水氧化为聚邻苯二胺低聚体,通过对浓度进行调节从而控制其自组装的过程形成聚邻苯二胺微米球。具体步骤如下: A method for preparing poly-o-phenylenediamine microspheres with a green oxidant. In the presence of hydrogen peroxide, o-phenylenediamine monomers are oxidized by hydrogen peroxide into poly-o-phenylenediamine oligomers. The process of assembly forms poly-o-phenylenediamine microspheres. Specific steps are as follows:

将1.0ml、0.8~0.12mol/L的邻苯二胺溶液加入到1.0~2.0ml去离子水中,搅拌均匀,加入0.5ml、9~10mol/L的H2O2溶液,静置,反应进行45~50小时后将溶液离心并用去离子水洗2~4次,室温条件下自然干燥,即可得到聚邻苯二胺微米球。 Add 1.0ml, 0.8-0.12mol/L o - phenylenediamine solution into 1.0-2.0ml deionized water, stir evenly, add 0.5ml, 9-10mol /L H2O2 solution, let stand, and the reaction proceeds After 45 to 50 hours, the solution is centrifuged, washed with deionized water for 2 to 4 times, and dried naturally at room temperature to obtain poly-o-phenylenediamine microspheres.

本发明具有如下优点: The present invention has the following advantages:

1、该工艺采用水相环境,避免了有机相的高毒性和高成本问题; 1. The process adopts a water phase environment, which avoids the high toxicity and high cost of the organic phase;

2、以绿色氧化剂双氧水为氧化剂合成聚邻苯二胺微米球; 2. Synthesize poly-o-phenylenediamine microspheres with green oxidant hydrogen peroxide as oxidant;

3、制备的聚邻苯二胺微米球产量高; 3. The yield of prepared poly-o-phenylenediamine microspheres is high;

4、通过该工艺合成聚邻苯二胺微米球的方法,设备简单,操作方便,容易控制,可重复性好,产物的提取方便; 4. The method for synthesizing poly-o-phenylenediamine microspheres through the process has simple equipment, convenient operation, easy control, good repeatability, and convenient product extraction;

5、该工艺的所有步骤均在室温条件下进行,无需加热; 5. All steps of the process are carried out at room temperature without heating;

6、通过本发明的方法得到的聚邻苯二胺微米球可用于光电和重金属离子提取等领域。 6. The poly-o-phenylenediamine microspheres obtained by the method of the present invention can be used in fields such as optoelectronics and heavy metal ion extraction.

附图说明 Description of drawings

图1为实施例1所制备的聚邻苯二胺微米球形貌图; Fig. 1 is the poly-o-phenylenediamine microsphere morphology figure prepared by embodiment 1;

图2为实施例2所制备的聚邻苯二胺微米球形貌图。 Fig. 2 is the morphology diagram of poly-o-phenylenediamine microspheres prepared in Example 2.

具体实施方式 detailed description

下面结合附图对本发明的技术方案作进一步的说明,但并不局限于此,凡是对本发明技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,均应涵盖在本发明的保护范围中。 The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

实施例1:Example 1:

将1.0ml现配的1.0mol/L的邻苯二胺溶液加入到1.5ml去离子水中,搅拌均匀,加入0.5ml、10.0mol/L的H2O2溶液,静置,溶液中出现大量肉眼可见的黑褐色沉淀,反应进行48小时后将溶液离心并用去离子水洗三次,室温条件下自然干燥,即可得到聚邻苯二胺微米球(图1)。 Add 1.0ml of the freshly prepared 1.0mol/L o-phenylenediamine solution into 1.5ml of deionized water, stir evenly, add 0.5ml of 10.0mol/L H 2 O 2 solution, let it stand, a large amount of naked eyes appear in the solution Visible black-brown precipitate, after 48 hours of reaction, the solution was centrifuged and washed three times with deionized water, and dried naturally at room temperature to obtain poly-o-phenylenediamine microspheres (Figure 1).

实施例2:Example 2:

将1.0ml现配的0.8mol/L的邻苯二胺溶液加入到1.5ml去离子水中,搅拌均匀,加入0.5ml、9.0mol/L的H2O2溶液,静置,溶液中出现大量肉眼可见的黑褐色沉淀,反应进行48小时后将溶液离心并用去离子水洗三次,室温条件下自然干燥,即可得到聚邻苯二胺微米球(图2)。 Add 1.0ml of the prepared 0.8mol/L o-phenylenediamine solution to 1.5ml of deionized water, stir evenly, add 0.5ml of 9.0mol/L H 2 O 2 solution, let it stand, a large amount of naked eyes appear in the solution Visible black-brown precipitate, after 48 hours of reaction, the solution was centrifuged and washed three times with deionized water, and dried naturally at room temperature to obtain poly-o-phenylenediamine microspheres (Figure 2).

Claims (2)

1.一种绿色氧化剂制备聚邻苯二胺微米球的方法,其特征在于所述方法步骤如下: 1. a method for preparing poly-o-phenylenediamine microspheres by a green oxidant, is characterized in that the method steps are as follows: 将1.0ml、0.8~0.12mol/L的邻苯二胺溶液加入到1.0~2.0ml去离子水中,搅拌均匀,加入0.5ml、9~10mol/L的H2O2溶液,静置,反应进行45~50小时后将溶液离心并用去离子水洗,室温条件下自然干燥,即可得到聚邻苯二胺微米球。 Add 1.0ml, 0.8-0.12mol/L o - phenylenediamine solution into 1.0-2.0ml deionized water, stir evenly, add 0.5ml, 9-10mol /L H2O2 solution, let stand, and the reaction proceeds After 45-50 hours, the solution is centrifuged, washed with deionized water, and dried naturally at room temperature to obtain poly-o-phenylenediamine microspheres. 2.根据权利要求1所述的绿色氧化剂制备聚邻苯二胺微米球的方法,其特征在于所述水洗次数为2~4次。 2. The method for preparing poly-o-phenylenediamine microspheres according to claim 1, wherein the washing times are 2 to 4 times.
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CN110105567A (en) * 2019-06-12 2019-08-09 黄淮学院 Poly-o-phenylenediamine derivative and its application
CN115090111A (en) * 2022-06-23 2022-09-23 烟台海誉新材料有限公司 Preparation and application method of household formaldehyde remover
CN119125254A (en) * 2024-09-06 2024-12-13 上海大学 An electrochemical sensor for ascorbic acid based on poly(o-phenylenediamine) micron material and its application

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110105567A (en) * 2019-06-12 2019-08-09 黄淮学院 Poly-o-phenylenediamine derivative and its application
CN110105567B (en) * 2019-06-12 2021-09-03 黄淮学院 Poly-o-phenylenediamine derivative and application thereof
CN115090111A (en) * 2022-06-23 2022-09-23 烟台海誉新材料有限公司 Preparation and application method of household formaldehyde remover
CN115090111B (en) * 2022-06-23 2023-11-14 烟台海誉新材料有限公司 Preparation and application methods of formaldehyde remover for home use
CN119125254A (en) * 2024-09-06 2024-12-13 上海大学 An electrochemical sensor for ascorbic acid based on poly(o-phenylenediamine) micron material and its application

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