(KR101969851) - Method for preparation of reduced graphene oxide and reduced graphene oxide-polymer composite 机翻标题: 暂无翻译,请尝试点击翻译按钮。

源语言标题
(KR101969851) - Method for preparation of reduced graphene oxide and reduced graphene oxide-polymer composite
公开号/公开日
KR10-1969851 KR20140045190 / 2019-04-17 2014-04-16
申请号/申请日
KR10-2012-0111419 / 2012-10-08
发明人
PARK, JONG-JIN PARK CHAN-EON BAE, Jee-Hyeon IM, Jung-Kyun JUN, SANG HUN HWANG JiHun
申请人
POHANG UNIVERSITY OF SCIENCE & TECHNOLOGY POSTECH SAMSUNG ELECTRONICS
主分类号
IPC分类号
B01F-003/12 C07C-243/14
摘要
(KR10-1969851)
A method of preparing reduced graphene oxide and a reduced graphene oxide-polymer composite are provided. The reduced graphene oxide and the reduced graphene oxide-polymer composite having excellent electrical conductivity may be obtained by a single process using a hydrazide compound as a reducing agent.
COPYRIGHT KIPO 2014
[Reference numerals] (AA) Graphite; (BB) Graphene oxide; (CC) OTHD-reduced graphene oxide
机翻摘要
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地址
代理人
(KR101969851) P.LEE, MOCK & PARTNERS
代理机构
优先权号
2012KR-0111419
主权利要求
(KR10-1969851)
1. A step of preparing a graphene oxide; graphene oxide and the hydrazide compound of formula 1 and then stirring the mixture to a method of manufacturing the RGO: [formula 1] R field CO field NH field NH2 wherein R is a substituted or unsubstituted alkyl group having 1 to 14 carbon atoms, a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, or a substituted or unsubstituted cycloalkyl group having 5 to 14 carbon atoms is present.
2. Method according to claim 1, wherein the graphene oxide and graphite obtained by the manufacturing method of a strong acid treatment.
3. Method according to claim 1, wherein the alkyl group is substituted in the 1 R, a substituted aryl group or a cycloalkyl group substituted with a halogen atom, 1 to 14 carbon atoms or a straight or branched chain alkyl groups, 1 to 14 carbon atoms or a straight or branched chain alkoxy group, a nitro group, of 6 to 14 carbon atoms substituted with an aryl group, an aryl group or a cycloalkyl group preparation method.
4. Method according to claim 3, wherein the compound of formula 1 is octamethylene propanohydrazide, (ε - maleimidocaproic acid) hydrazide N -, (κ - maleimidoundecanoic acid) hydrazide N -, and 4-(maleimido phenyl 4 field N -) butyric acid hydrazide is selected from the group consisting of one or more production method 1.
5. Method according to claim 1, wherein the hydrazide compound is 3 to 100 parts by weight of the graphene oxide with respect to 60 parts by weight of the preparation method.
6. Method according to claim 1, wherein the hydrazide compound is bound to the graphene oxide in a nitrogen atmosphere for 100 to 450°C 10 in air or 1 characterized in that the heat treatment for the method.
7. A step of preparing a graphene oxide; graphene oxide represented by the following formula 1 with the step of mixing a hydrazide compound; the mixture was stirred to obtain a reduced graphene oxide; wherein the reduced graphene oxide is mixed with a polymer precursor and then heat drying of the reduced graphene oxide-polymer precursor to obtain the complex of; and the reducing the graphene oxide-polymer precursor composites comprising heat treating the reduced graphene oxide-polymer and: [formula 1] R field CO field NH field NH2 R wherein in the formula represents a substituted or unsubstituted alkyl group having 1 to 14 carbon atoms, a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, or a substituted or unsubstituted cycloalkyl group having a carbon number of from 5 to 14.
8. Method according to claim 7, wherein the thermal resistance of the polymer precursor is a polyamic acid (PAA), polyacrylonitrile (PAN), hydroxy containing polyamic acid and the hydroxy containing polyamide is selected from the production method according to any one of.
9. Method according to claim 7, wherein the reduced graphene oxide is 1 to 100 parts by weight based on the polymer precursor to 40 parts by weight of the preparation method.
10. A step of preparing a graphene oxide; graphene oxide with the formula 1 a step of mixing a hydrazide compound; the mixture was stirred to obtain a reduced graphene oxide; monomer for the polymerization of the reduced graphene oxide and the step of mixing; and heat treating the mixture comprises a reducing the graphene oxide-polymer and: [formula 1] R field CO field NH field NH2 wherein R is a substituted or unsubstituted alkyl group having 1 to 14 carbon atoms, a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, or a substituted or unsubstituted cycloalkyl group having 5 to 14 carbon atoms is present.
11. Method according to claim 10, wherein the amount of 100 parts by weight of the reduced graphene oxide based on the amount of the monomers 3 to 60 parts by weight of the preparation method.
12. Method according to claim 10, a polymerization catalyst to the mixture, a polymerization initiator, a heat stabilizer and an antioxidant selected from one or more further added to the preparation method 1.
13. Method according to claim 7 or 10, wherein the reduced graphene oxide-polymer composite in the polyolefin polymer, polyester, polyamide, polybenzimidazole and polybenzoxazole (PBI) (PBO) is one selected from among the manufacturing method.
14. Method according to claim 7 or 10, wherein the graphene oxide obtained by treating the graphite for producing a strong acid.
15. Method according to claim 7 or 10, wherein the hydrazide compound is 3 to 100 parts by weight of the graphene oxide with respect to 60 parts by weight of the preparation method.
16. A method according to any one of claims 1-6 made of, wherein the electrical conductivity of the rgo 2000 to 5000 S/m.
17. A method according to any one of claims 7-12 made of, wherein 100 to 5000 S/m of the electrical conductivity of the rgo-polymer composite.
法律状态
GRANTED
专利类型码
B1 A
国别省市代码
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