种边缘功能化石墨烯、其制备方法及用于制备防腐涂料的用途

• Format: Patent
• Language: Chinese
• Published: 21.09.2018
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; PREPARATION OF CARBON BLACK; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; USE OF MATERIALS THEREFOR; WOODSTAINS

本发明属于石墨烯的功能化及应用领域，涉及种边缘功能化石墨烯、其制备方法及用于制备防腐涂料的用途。本发明的方法为采用氯酸盐、浓硫酸和双氧水体系对石墨烯进行功能化，得到羧基基团选择性修饰在完整结构的片层边缘的边缘功能化石墨烯；所得边缘功能化石墨烯单独成膜和/或与防腐涂料配方组分复合成膜，可制得边缘功能化石墨烯防腐涂料。本发明制备边缘功能化石墨烯的方法工艺简单、高效，不仅克服了石墨烯难以处理、容易堆积的难题，赋予了石墨烯溶液可加工性及可处理性，同时，避免了对石墨烯片层结构的破坏、实现了石墨烯片层结构及特性的保持，制得的边缘功能化石墨烯防腐涂料的防腐蚀效果好，适用范围广。 The invention belongs to the field of graphene functionalization and application, and relates to an edge functionalized graphene, a preparation method thereof, and applications of the edge functionalized graphene in preparing anticorrosive paint According to the preparation method, a chlorate-concentrated sulfuric acid-hydrogen peroxide system is adopted for functionalization of graphene so as to obtain the edge functionalized graphene, wherein carboxy groups are connected with the lamina edges of a whole structure via selective modification; the edge functionalized graphene is subjected to film formation alone, or is combined with an anticorrosive paint formula component for composite film formation so as to obtain the edge fun