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Synthesis of Resol Type Phenol Resins and Their Reaction Properties  

Kim, Dong-Kwon (Interface Materials and Engineering Lab., Korea Research Institute of Chemical Technology)
Joe, Ji-Eun (Interface Materials and Engineering Lab., Korea Research Institute of Chemical Technology)
Kim, Jung-Hun (Interface Materials and Engineering Lab., Korea Research Institute of Chemical Technology)
Park, In Jun (Interface Materials and Engineering Lab., Korea Research Institute of Chemical Technology)
Lee, Soo-Bok (Interface Materials and Engineering Lab., Korea Research Institute of Chemical Technology)
Publication Information
Applied Chemistry for Engineering / v.16, no.2, 2005 , pp. 288-291 More about this Journal
Abstract
Resol type phenol-formaldehyde (PF) resin was synthesized by addition reaction of formaldehyde (F) and phenol (P). And the PF resin was synthesized by condensation reaction in which water was removed. In this work, we studied the influence of experimental parameters in the addition reaction, such as F/P mole ratio, amount of catalyst, reaction temperature, reaction time, and so on. Also, we studied the influence of molecular weight and viscosity of PE resin as a function of condensation time. As a result, in addition reaction, the reaction time decreased remarkably as the catalyst concentration increased, and the time decreased with increasing reaction temperature at a constant catalyst concentration. Also, in condensation reaction, the viscosity of resol type PF resin increased from 1500 to 9000 cps as a function of condensation time; molecular weight showed from 500 to 1100 g/mol.
Keywords
phenol; formaldehyde; PF polymer; resol type PF polymer;
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