PHENOL RESIN COMPOSITION FOR MUD MATERIAL AND MUD MATERIAL COMPRISING THE SAME

PROBLEM TO BE SOLVED: To provide a novolak type phenol resin composition for a mud material substantially suppressing crack during heating and suppressing malodors during kneading to a low level and to provide the mud material comprising the resin composition. SOLUTION: The phenol resin composition...

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1. Verfasser: IRIE SHUNSUKE
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a novolak type phenol resin composition for a mud material substantially suppressing crack during heating and suppressing malodors during kneading to a low level and to provide the mud material comprising the resin composition. SOLUTION: The phenol resin composition for the mud material comprises a phenol resin containing unreacted phenols and a binuclear compound component. The content of the unreacted phenols is characterized as ≤5 wt.% based on the whole phenol resin. The content of the binuclear compound component is preferably ≤10% area ratio based on the whole phenol resin. COPYRIGHT: (C)2008,JPO&INPIT