CN106124496A - A kind of monitoring material based on graphene oxide and its preparation method and application - Google Patents

A kind of monitoring material based on graphene oxide and its preparation method and application Download PDF

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Publication number
CN106124496A
CN106124496A CN201610463573.7A CN201610463573A CN106124496A CN 106124496 A CN106124496 A CN 106124496A CN 201610463573 A CN201610463573 A CN 201610463573A CN 106124496 A CN106124496 A CN 106124496A
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graphene oxide
monitoring
monitoring material
mixed liquor
material based
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CN106124496B (en
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贾怡
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China Academy of Space Technology CAST
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China Academy of Space Technology CAST
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The present invention relates to a kind of monitoring material based on graphene oxide and its preparation method and application, it is specifically related to the monitoring material to temperature and/or light sensitive, belonging to the monitoring technical field of perishable food, medicine or vaccine, this material is the illumination based on graphene oxide for Cold Chain Logistics storage and temperature monitoring material.The monitoring material of the present invention be by graphene oxide, catalysis material, reducing agent (be dispersed in water and obtain mixed liquor, mixed liquor is the driest, thus obtain the mixture of above-mentioned three class materials.Under As-deposited state, this material is yellow, at illumination or higher temperature (> 8 DEG C) under the conditions of, the color of material is gradually converted into dark yellow so that black, color change has irreversible feature, it is achieved thereby that the effect of illumination and temperature monitored by a kind of material simultaneously, this material has important application prospect needing lucifuge, the Cold Chain Logistics of low temperature, storage field.

Description

A kind of monitoring material based on graphene oxide and its preparation method and application
Technical field
The present invention relates to a kind of monitoring material based on graphene oxide and its preparation method and application, be specifically related to temperature Degree and/or the monitoring material of light sensitive, belong to the monitoring technical field of perishable food, medicine or vaccine, and this material is for using Illumination based on graphene oxide and temperature monitoring material in Cold Chain Logistics storage.
Background technology
At present, substantial amounts of vaccine, medicine and food are required under the conditions of the cold chain of low temperature and lucifuge carrying out storing in a warehouse, transporting And use.If wherein certain link is due to reasons such as equipment faults, making article departing from cold chain environment, corresponding article character will Change.But in prior art, after corresponding article character changes, because of the most corresponding substantially prompting or mark, User is not easy to find, thus critical vaccine, medicine or the personal safety of food user.Such as, in the vaccine event of Shandong, Even veteran doctor, when carrying out vaccination, owing to vaccine identifies the most accordingly, the most do not realize judgement Whether vaccine there occurs rotten or lost efficacy.
Summary of the invention
The technology of the present invention solves problem: overcomes the deficiencies in the prior art, proposes a kind of prison based on graphene oxide Measure and monitor the growth of standing timber material and its preparation method and application.
The technical solution of the present invention is:
A kind of monitoring material based on graphene oxide, the form of this monitoring material is powder, thin film or block, including oxygen Functionalized graphene, catalysis material and reducing agent;
Described graphene oxide, catalysis material, the mass ratio of reducing agent are 0.5-10:0.1-2:0.1-2;
Described catalysis material is a kind of in titanium dioxide or zinc oxide or both mixture;
Described reducing agent is one or more the mixture in glucose, maltose, fructose or vitamin C.
A kind of preparation method of monitoring material based on graphene oxide, step is:
(1) graphene oxide, catalysis material are added to the water, ultrasonic disperse 5 under the conditions of lucifuge, low temperature (1~6 DEG C) ~60 minutes, obtain the mixed liquor I of uniform component;
(2) in the mixed liquor I that step (1) obtains, add reducing agent, ultrasonic disperse 1~5 minutes, obtain uniform component Mixed liquor II;
(3) mixed liquor II that step (2) obtains is carried out cold drying process, obtain monitoring material based on graphene oxide Material, the monitoring material obtained is yellow.
In described step (2), the concentration of graphene oxide is 0.5g/L~10g/L, and the concentration of catalysis material is 0.1g/L~2g/L, the concentration of reducing agent is 0.1g/L~2g/L;
The temperature that in described step (3), cold drying processes is 1~6 DEG C;
In described step (3), the mode of dried is atomization drying, sucking filtration or convection drying, the monitoring material obtained For powder, thin film or bulk.
The application of a kind of monitoring material based on graphene oxide, step is: described monitoring based on graphene oxide Materials application is in needing lucifuge or the monitoring of low temperature storage article;Described lucifuge refers to avoid sun exposure, and described is low Temperature refers to that temperature is not higher than 8 DEG C;Described need lucifuge or low temperature storage article refer to food, medicine or vaccine;
The application of described monitoring material, is fixed on described treating after referring to be packaged monitoring material packaging material On monitoring article or its outer package surface;
Described packaging material are transparent plastic or glass;
Described be fixed as pasting or with article to be monitored or packaging integrated plastic packaging.
Beneficial effect
(1) the monitoring material of the present invention is when by illumination, and graphene oxide is in catalysis material and the effect of reducing agent Under, occurring to the transformation of Graphene, color is the most correspondingly changed into dark yellow from yellow so that black;
(2) the monitoring material of the present invention is lucifuge, higher temperature (> 8 DEG C) under the conditions of, the graphene oxide in this material is also Reacting with reducing agent and the transformation to Graphene occurs, correspondingly, the color of material is also changed into dark yellow with blackening from yellow Color;
(3) the monitoring material of the present invention can reach the monitoring effect of illumination and temperature simultaneously;
(4) the monitoring material of the present invention is by illumination or when being in higher temperature conditions, and the change procedure of color has Irreversibility;
(5) the monitoring material of the present invention is by illumination or when being in higher temperature conditions, with light application time or be in relatively The increase of the time under high-temperature, monitoring material color deepen have additive;
(6) raw material of the monitoring material of the present invention is nontoxic, harmless, non-volatile, easily encapsulates, and is difficult to be monitored There is chemical reaction in article or packaging, is free from side effects article to be monitored;
(7) the monitoring material of the present invention needing lucifuge, the Cold Chain Logistics storage of low temperature is before field has important application Scape, can be simultaneously used for temperature and the material of illumination monitoring, thus simultaneously to temperature during meeting cold chain storage, transporting and use The demand of monitoring dual with illumination.
(8) the monitoring material of the present invention is by graphene oxide, catalysis material (in titanium dioxide and Zinc oxide powder One or both mixture), reducing agent (mixture of one or more in glucose, maltose, fructose and vitamin C) It is dispersed in water and obtains mixed liquor, mixed liquor is the driest, thus obtain the mixture of above-mentioned three class materials.Should under As-deposited state Material is yellow, at illumination or higher temperature (> 8 DEG C) under the conditions of, the color of material is gradually converted into dark yellow so that black, face Complexion changed has irreversible feature, it is achieved thereby that the effect of illumination and temperature monitored by a kind of material simultaneously, this material is needing Lucifuge, the Cold Chain Logistics of low temperature, storage field is wanted to have important application prospect.
(9) owing to all emphasizing to need lucifuge, low temperature storage in the outer package of vaccines a lot of in prior art, medicine and food, But it has not been used to the indicating label of illumination and temperature monitoring in packaging etc.;The present invention has illumination and temperature monitoring performance Material, is encapsulated in the packaging of vaccine, medicine or food etc., and once article will be sent out departing from cold chain environment, monitoring material Raw irreversible color change, can point out storage conveying people or user to pay close attention to the change of article character intuitively, thus will The application risk that depart from cold chain article is greatly reduced.
Accompanying drawing explanation
Fig. 1 is the monitoring material of As-deposited state in embodiment 1, and color is yellow;
Fig. 2 is to monitor the photo after material irradiates 8 hours in the sunlight in embodiment 1, and color is black.
Detailed description of the invention
With embodiment, the present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
(1) 10g graphene oxide, 0.5g titanium dioxide are added in 1L water, at lucifuge, ultrasonic disperse 30 under the conditions of 6 DEG C Minute, obtain the mixed liquor I of uniform component;Further, addition 0.1g glucose in above-mentioned mixed liquor, ultrasonic disperse 5 minutes, Obtain the mixed liquor II of uniform component;
(2) above-mentioned mixed liquor II is obtained film like monitoring material by suction method under the conditions of 6 DEG C.Under As-deposited state, The color of material is yellow, as shown in Figure 1;
(3) the yellow film shape obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored On;
(4) vaccine with yellow film shape monitoring material step (3) obtained irradiates 8 hours in the sunlight, monitoring The color transition of material is black, as in figure 2 it is shown, show that this monitoring material has good illumination indicating effect, also carries simultaneously Show that vaccine has had been subjected to the rising of illumination or temperature, need to check whether vaccine lost efficacy or rotten further.
Embodiment 2
(1) 0.5g graphene oxide, 0.05g titanium dioxide and 0.05g zinc oxide are added in 1L water, at lucifuge, 1 DEG C of bar Ultrasonic disperse 5 minutes under part, obtain the mixed liquor I of uniform component;Further, above-mentioned mixed liquor adds 0.1g fructose, super Sound disperses 1 minute, obtains the mixed liquor II of uniform component;
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material Color is yellow;
(3) yellow powder obtained monitoring material glass packaging is fixed on the outer package surface of medicine to be monitored On;
(4) step (3) is obtained with yellow powder monitoring material medicine lucifuge, 30 DEG C preserve 24 hours, Color transition is buff, shows that this monitoring material has good illumination indicating effect, and the most also prompting medicine has been subjected to The rising of illumination or temperature, needs to check whether medicine lost efficacy or rotten further.
Embodiment 3
(1) 10g graphene oxide, 1g titanium dioxide and 1g zinc oxide are added in 1L water, lucifuge, under the conditions of 4 DEG C super Sound disperses 60 minutes, obtain the mixed liquor I of uniform component;Further, in above-mentioned mixed liquor add 0.025g glucose, 0.025g maltose, 0.025g fructose, 0.025g vitamin C, ultrasonic disperse 5 minutes, obtain the mixed liquor of uniform component;
(2) above-mentioned mixed liquor II is obtained bulk material as temperature monitoring material by cold drying.At As-deposited state Under, the color of material is yellow;
(3) the yellow bulk obtained monitoring material plastics package is fixed on the outer package surface of food to be monitored On;
(4) step (3) is obtained with yellow bulk monitoring material food daylight, 25 DEG C preserve 2 hours, color Being changed into buff, show that this monitoring material has good illumination indicating effect, the most also prompting food has had been subjected to light According to or the rising of temperature, need to check further whether food lost efficacy or rotten.
Embodiment 4
(1) 10g graphene oxide, 2g zinc oxide are added in 1L water, in lucifuge, ultrasonic disperse 10 minutes under the conditions of 6 DEG C, Obtain the mixed liquor I of uniform component;Further, above-mentioned mixed liquor adds 2g maltose, ultrasonic disperse 1 minute, is become Divide homogeneous mixed liquor II;
(2) above-mentioned mixed liquor II is obtained film like monitoring material by suction method under the conditions of 3 DEG C.Under As-deposited state, The color of material is yellow;
(3) the yellow film shape obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored On;
(4) vaccine with yellow film shape monitoring material step (3) obtained irradiates 4 hours in the sunlight, monitoring The color transition of material is buff, shows that this monitoring material has good illumination indicating effect, and the most also prompting vaccine is It is subjected to the rising of illumination or temperature, has needed to check whether vaccine lost efficacy or rotten further.
Embodiment 5
(1) 5g graphene oxide, 0.5g titanium dioxide and 0.5g zinc oxide are added in 1L water, in lucifuge, under the conditions of 2 DEG C Ultrasonic disperse 40 minutes, obtains the mixed liquor I of uniform component;Further, above-mentioned mixed liquor adds 1g vitamin C, ultrasonic Disperse 2 minutes, obtain the mixed liquor of uniform component;
(2) above-mentioned mixed liquor II is obtained bulk material as temperature monitoring material by cold drying.At As-deposited state Under, the color of material is yellow;
(3) the yellow bulk obtained monitoring material plastics package is fixed on the outer package surface of food to be monitored On;
(4) step (3) is obtained with yellow bulk monitoring material food daylight, 30 DEG C preserve 10 hours, face Color is changed into black, shows that this monitoring material has good illumination indicating effect, and the most also prompting food has had been subjected to light According to or the rising of temperature, need to check further whether food lost efficacy or rotten.
Embodiment 6
(1) 2g graphene oxide, 0.2g zinc oxide are added in 1L water, in lucifuge, ultrasonic disperse 5 minutes under the conditions of 1 DEG C, Obtain the mixed liquor I of uniform component;Further, above-mentioned mixed liquor adds 0.1g fructose and 0.2g glucose, ultrasonic disperse 2 Minute, obtain the mixed liquor II of uniform component;
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material Color is yellow;
(3) yellow powder obtained monitoring material glass packaging is fixed on the outer package surface of medicine to be monitored On;
(4) step (3) is obtained with yellow powder monitoring material medicine lucifuge, 40 DEG C preserve 48 hours, Color transition is black, shows that this monitoring material has good illumination indicating effect, and the most also prompting medicine has been subjected to Illumination or the rising of temperature, need to check whether medicine lost efficacy or rotten further.
Embodiment 7
(1) 8g graphene oxide, 0.2g titanium dioxide and 0.1g zinc oxide are added in 1L water, in lucifuge, under the conditions of 3 DEG C Ultrasonic disperse 10 minutes, obtains the mixed liquor I of uniform component;Further, above-mentioned mixed liquor adds 0.5g glucose, 0.1g Maltose and 0.5g vitamin C, ultrasonic disperse 1 minute, obtain the mixed liquor II of uniform component;
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material Color is yellow;
(3) yellow powder obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored On;
(4) step (3) is obtained with yellow powder monitoring material vaccine daylight, 35 DEG C preserve 10 hours, Color transition is black, shows that this monitoring material has good illumination indicating effect, and the most also prompting vaccine has been subjected to Illumination or the rising of temperature, need to check whether vaccine lost efficacy or rotten further.

Claims (10)

1. a monitoring material based on graphene oxide, it is characterised in that: this monitoring material includes graphene oxide, photocatalysis Material and reducing agent;
Described catalysis material is a kind of in titanium dioxide or zinc oxide or both mixture;
Described reducing agent is one or more the mixture in glucose, maltose, fructose or vitamin C.
A kind of monitoring material based on graphene oxide the most according to claim 1, it is characterised in that: described oxidation stone Ink alkene, catalysis material, the mass ratio of reducing agent are 0.5-10:0.1-2:0.1-2.
3. the preparation method of a monitoring material based on graphene oxide, it is characterised in that step is:
(1) graphene oxide, catalysis material are added to the water, ultrasonic disperse under lucifuge, cryogenic conditions, obtain uniform component Mixed liquor I;
(2) in the mixed liquor I that step (1) obtains, add reducing agent, ultrasonic disperse, obtain the mixed liquor II of uniform component;
(3) mixed liquor II that step (2) obtains is carried out cold drying process, obtain monitoring material based on graphene oxide.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute In the step (1) stated, low temperature is 1~6 DEG C, and the ultrasonic disperse time is 5~60min, and described catalysis material is titanium dioxide Or a kind of in zinc oxide or both mixture, the concentration of graphene oxide is 0.5g/L~10g/L, catalysis material dense Degree is 0.1g/L~2g/L.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute In the step (2) stated, the ultrasonic disperse time is 1~5min, and the concentration of reducing agent is 0.1g/L~2g/L, and described reducing agent is One or more mixture in glucose, maltose, fructose or vitamin C.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute In the step (3) stated, the temperature that cold drying processes is 1~6 DEG C, and the mode of dried is atomization drying, sucking filtration or direct Being dried, the monitoring material obtained is yellow, and the form of monitoring material is powder, thin film or bulk.
7. step is: by monitoring materials application based on graphene oxide in needing lucifuge or the monitoring of low temperature storage article.
The application of a kind of monitoring material based on graphene oxide the most according to claim 7, it is characterised in that: described Lucifuge refers to avoid sun exposure, described low temperature to refer to that temperature is not higher than 8 DEG C;Described needs lucifuge or low temperature storage article Refer to food, medicine or vaccine.
The application of a kind of monitoring material based on graphene oxide the most according to claim 7, it is characterised in that: described Monitoring material is in use, be fixed on described article to be monitored or its outsourcing after being packaged by monitoring material packaging material On dress surface.
The application of a kind of monitoring material based on graphene oxide the most according to claim 9, it is characterised in that: described Packaging material be transparent plastic or glass;Described be fixed as pasting or with article to be monitored or packaging integrated plastic packaging.
CN201610463573.7A 2016-06-23 2016-06-23 A kind of monitoring material and its preparation method and application based on graphene oxide Expired - Fee Related CN106124496B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130266628A1 (en) * 2012-04-10 2013-10-10 Indian Institute Of Technology Madras Graphene-based antimicrobial composites
US20130344611A1 (en) * 2012-06-20 2013-12-26 Samsung Electronics Co., Ltd. Apparatus and method for analyzing graphene and graphene boundary
CN103879999A (en) * 2014-03-03 2014-06-25 中国科学院合肥物质科学研究院 Method for preparing graphene based nano composite material through in-situ reduction of graphite oxide
EP2924444A1 (en) * 2014-03-28 2015-09-30 AIT Austrian Institute of Technology GmbH Flow and pressure sensitive graphene sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130266628A1 (en) * 2012-04-10 2013-10-10 Indian Institute Of Technology Madras Graphene-based antimicrobial composites
US20130344611A1 (en) * 2012-06-20 2013-12-26 Samsung Electronics Co., Ltd. Apparatus and method for analyzing graphene and graphene boundary
CN103879999A (en) * 2014-03-03 2014-06-25 中国科学院合肥物质科学研究院 Method for preparing graphene based nano composite material through in-situ reduction of graphite oxide
EP2924444A1 (en) * 2014-03-28 2015-09-30 AIT Austrian Institute of Technology GmbH Flow and pressure sensitive graphene sensor

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
FENG WANG 等: "Reduced graphene oxide-Tio2 nanocomposite with high photocatalystic activity for the degration of rhodamine B", 《JOURNAL OF MOLECULAR CATALYSIS A:CHEMICAL》 *
GRAEME WILLIAMS 等: "Tio2-Graphene Nanocomposites. UV-Assisted Photocatalytic Reduction of Graphene Oxide", 《ACS NANO》 *
SELVAKUMAR PALANISAMY 等: "A novel nonenzymatic hydrogen peroxide sensor based on reduced graphene oxide/ZnO composite modified electrode", 《SENSORS AND ACTUATORS B:CHEMICAL》 *
ZHAOYAO ZHAN: "Self-powered, visible-light photodetector based on thermally reduced graphene oxide-ZnO hybrid nanostructure", 《J. MATER. CHEM.》 *
高原 等: "基于石墨烯的光学生物传感器的研究进展", 《分析化学特约来稿》 *

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