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Resin Content and Dimensional Rise in Board Impregnated with Phenol Resin for Making Woodceramics - Effect of Steam Injection Time -  

Oh, Seung-Won (Institute of Agriculture Science and Technology, Chonbuk National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.30, no.2, 2002 , pp. 158-164 More about this Journal
Abstract
The properties of new porous carbon materials "Woodceramics" are affected by the characteristics of raw boards. To investigate of density profile and resin contents in impregnated boards, control board and 3 types of steam-injected boards were made by steam injection time, The wood species used for manufacturing boards was Sugi(Cryptomeria japonica). The results are as follows: 1) The density gradient of board after 10 minutes steam injection was the smallest and non-steamed board was largest. 2) The resin content and dimensional rise decreased with increase of board density, and were the largest in board after 10minutes steam injection but there was little difference between boards after 5 and 10 minutes steam injection.
Keywords
woodceramics; density profile; resin content; steam injection;
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