还原氧化石墨烯-壳聚糖复合膜的制备及其性能

郭明媛; 马永宁; 陈腾飞

doi:10.13801/j.cnki.fhclxb.20210819.001

还原氧化石墨烯-壳聚糖复合膜的制备及其性能

doi: 10.13801/j.cnki.fhclxb.20210819.001

1.
渭南师范学院　化学与材料学院，渭南 714099
2.
陕西科技大学　化学与化工学院，西安 710021
3.
中国石油长庆油田分公司西安长庆化工集团有限公司，西安 710018

基金项目: 陕西省教育厅重点实验室项目(20JS048)；陕西省高校科协青年人才托举计划项目(20200611)；陕西省科技厅自然科学基础研究计划项目(2021JQ-826)；渭南师范学院人才项目(20RC+9)

详细信息

通讯作者:
郭明媛，博士，讲师，研究方向为复合光功能材料　E-mail: claremy@sina.com

中图分类号: O69；TS753.9
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- 被引次数: 0
出版历程
- 收稿日期: 2021-04-01
- 修回日期: 2021-07-30
- 录用日期: 2021-08-07
- 网络出版日期: 2021-08-19
- 刊出日期: 2021-03-01

Preparation and properties of reduced graphene oxide-chitosan composite film

1.
College of Chemistry and Materials Science, Weinan Normal University, Weinan 714099, China
2.
College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China
3.
Xi’an Changqing Chemical Group Co., Ltd., Changqing Oil Field Branch Company, Petro China, Xi’an 710018, China

摘要

摘要: 为了研究还原氧化石墨烯(RGO)对壳聚糖(CS)薄膜性能的影响，以氧化石墨和CS为原料，通过超声分散和真空诱导自组装法制备了还原氧化石墨烯-壳聚糖薄膜(RGO-CS)，研究了薄膜的各项性能，最后分别将CS和RGO用作表面施胶剂，研究二者对瓦楞纸耐水性能的影响。结果表明：成功制备了RGO-CS薄膜；通过SEM观察到RGO-CS薄膜表面平整；未经过还原的GO-CS复合薄膜的电阻率最高，达到了17310 mΩ·cm，而RGO-CS的电阻率仅为52.7 mΩ·cm左右。将RGO-CS和RGO作为助剂对瓦楞纸进行涂布，与空白样对比后发现耐水性显著提高，施胶度分别达到78 s和74 s，接触角最高分别达到112°和110°。
- 还原氧化石墨烯 /
- 壳聚糖 /
- 复合膜 /
- 耐水性 /
- 施胶度 /
- 电学性能
Abstract: In order to study the effect of reduced graphene oxide (RGO) on the properties of chitosan (CS) films, graphite oxide and CS were used as raw materials to prepare reduced graphene oxide-chitosan film (RGO-CS) by ultrasonic dispersion and vacuum induced self-assembly and various properties of the film was characterized in this paper. In addition, CS and RGO were used as surface sizing agents to study the effects on the water resistance of corrugated paper. The results show that: the RGO-CS film was successfully prepared. SEM images reveal the surface of the RGO-CS film is flat and smooth. Besides, GO-CS composite film has the highest resistivity (17310 mΩ·cm), while resistivity of the RGO-CS film is only about 52.7 mΩ·cm. Using RGO-CS and RGO as additives to coat corrugated paper, compared with the blank sample, it is found that the water resistance is significantly improved. The sizing degree reached 78 s and 74 s, and the maximum contact angle reached 112° and 110°, respectively.
- reduced graphene oxide /
- chitosan /
- composite film /
- water resistance /
- sizing degree /
- electrical property

HTML全文

图 1 还原氧化石墨烯-壳聚糖复合薄膜(RGO-CS)薄膜真空诱导自组装机制

Figure 1. Vacuum-induced self-assembly mechanism of reduced graphene oxide-chitosan (RGO-CS) film

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图 2 氧化石墨烯(GO)和RGO的FTIR图谱

Figure 2. FTIR spectra of graphene oxide (GO) and RGO

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图 3 CS、GO-CS和RGO-CS的FTIR图谱

Figure 3. FTIR spectra of CS, GO-CS and RGO-CS

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图 4 GO和RGO的紫外谱图

Figure 4. UV spectrum curves of GO and RGO

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图 5 GO、RGO和CS的XRD图谱

Figure 5. XRD patterns of GO, RGO and CS

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图 6 GO-CS、RGO-CS和CS的XRD图谱

Figure 6. XRD patterns of GO-CS, RGO-CS and CS

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图 7 GO、RGO、GO-CS和RGO-CS的拉曼谱图

Figure 7. Raman spectra of GO, RGO, GO-CS and RGO-CS

I_D/I_G—Ratio of the integral strengths of peaks D and G

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图 8 GO-CS和RGO-CS的XPS图谱

Figure 8. XPS spectra of GO-CS and RGO-CS

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图 9 GO-CS (a) 和RGO-CS (b) 的C1s XPS图谱

Figure 9. C1s XPS spectra of GO-CS (a) and RGO-CS (b)

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图 10 CS、GO-CS和RGO-CS的TGA曲线

Figure 10. TGA curves of CS, GO-CS and RGO-CS

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图 11 GO (a)、RGO (b)、GO-CS (c) 和RGO-CS (d) 的SEM图像

Figure 11. SEM images of GO (a), RGO (b), GO-CS (c) and RGO-CS (d)

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图 12 RGO和RGO-CS的施胶度

Figure 12. Sizing degree of RGO and RGO-CS

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表 1 GO-CS薄膜与不同还原时间的RGO-CS复合薄膜的电阻率

Table 1. Resistivity of GO-CS film and RGO-CS composite film with different reduction time

Samples	Restore time/h	Resistivity/(mΩ·cm)
GO-CS	0	17310±3.4
RGO-CS	5	95.5±2.3
	10	85.8±3.1
	15	52.7±2.7

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表 2 RGO用量及CS对瓦楞纸接触角的影响

Table 2. Effect of RGO dosage and CS on the contact angle of corrugated paper

Concent of RGO/mL	0	0.1	0.2	0.3	0.4	0.5
A	94	110	104	103	102	95
B(CS)	97	100	101	105	107	112
Notes: A—Paper sample containing styrene-acrylic emulsion; B—Paper sample containing styrene-acrylic emulsion and CS.

下载: 导出CSV

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