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백건욱 ( Baek Geon Wook ),한윤수 ( Han Yoon Soo ) 대구가톨릭대학교 자연과학연구소 2019 자연과학연구논문집 Vol.17 No.1
For successful fabrication of graphene-reinforced adhesives, the specific surface modification of graphene was key issues to provide better dispersion of graphene and to obtain a higher adhesion by chemical bonding between the polymer matrix and the graphene particles. The surface hydroxyl groups of the as-received graphenes were modified via hydrolysis of N- (3-trimethoxysilyl propyl) - 4 - hydroxy butylamide as a surface modifier to create reactive methylol groups on the surface of graphene. Resol-type adhesives reinforced with methylolated graphenes were prepared and evaluated. As a result, the methylolated graphene was found to be effective in providing a higher adhesion strength and thermal stability of the adhesives, due to chemical grafting to resol resin.