Influence of resin content and pulping temperature on the formaldehyde release from medium density fibreboards (MDF)Einfluss des Bindemittelgehalts und der Aufschlusstemperatur auf die Formaldehydabgabe von mitteldichten Faserplatten (MDF)

被引:0
|
作者
E. Roffael
机构
[1] Georg-August-Universität Göttingen,
关键词
Melamine; Formaldehyde Emanation; Urea Formaldehyde; Binder Content; Resin Content;
D O I
10.1007/s00107-012-0614-y
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学科分类号
摘要
Increasing the binder content from 12 % to 20 % in medium density fibreboards (MDF) using a slightly melamine modified (3 % melamine) UF-resin of a molar ratio F:U of 1:1 causes a decrease in the formaldehyde release from the boards prepared under the same conditions. The formaldehyde emanation was measured using the perforator (EN120) and the flask method (EN 717-3) after a reaction period of 3 h and 24 h. The results apply for boards made from thermo-mechanical pulps (TMP) prepared by pulping wood at 140 °C and 175 °C.
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页码:651 / 654
页数:3
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