POSS NOISE REDUCTION REINFORCEMENT METHOD BETWEEN FLOORS IN BUILDINGS WITH HIGH FUNCTIONAL MORTAR COMPRISING POSS NANO-COMPLEX

摘要

In order to achieve the above object, a method for reducing floor noise in a multi-family house using a high-functional mortar containing a POSS nanocomposite according to the present invention comprises: installing a concrete wall; Installing a composite mortar layer with a high-functional mortar using a hybrid epoxy resin on the concrete wall; Installing a first board and a second board attached to the concrete wall; And installing a first connector and a second connector connecting the first board and the second board; The first connector surrounds the vertical and horizontal surfaces adjacent to each other of the first board; The second connector surrounds the horizontal and vertical surfaces of the second board facing the vertical and horizontal surfaces of the first board; The first connector is fixed to the wall by a fixing means; A groove is formed in the first connector, and a protrusion is engaged with the groove in the second connector; The high-functional mortar is composed of a POSS nanocomposite prepared by a hydrocondensation reaction of a silane compound, a hybrid epoxy resin prepared by mixing with an epoxy resin, a curing agent, and a filler, and a cement mortar and water; The silane compound is a mercaptopropyl polyhedral oligomeric silsesquioxane (POSS-SH) prepared using (3-mercaptopropyl)trimethoxysilane. ego; The curing agent is selected from EDA (ethylene diamine), polyamide, modified aliphatic amine, and poly amine as a curing agent for curing the epoxy and modified with a thermosetting material, but the target property of the epoxy after curing, deterioration of workability (workability) due to curing, Curing accelerator and diluent are added in consideration of the target curing speed; The curing accelerator is selected from phenol, cresol, nonylphenol, bisphenol-A, alkylphenol, tertiary amine when the curing agent is a modified aliphatic amine or polyamine; Silica is used as the filler, but calcium carbonate, a rosin derivative having an acid value of 300 mgKOH/g or less, and an imidazole compound are mixed with the silica.