PHENOLIC RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain the subject composition maintaining the original characteristics of a phenolic resin, such as heat resistance, improved in balance between the flowability of the composition on its molding and the hardening rate of the composition after charged into a mold, and useful...

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Bibliographische Detailangaben
Hauptverfasser:	SHINDO YOSHIYUKI, TANAKA KOZO, URAGAMI TATSUNOBU, TAKUMA HIROSUKE, TAJIMA TAKUO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject composition maintaining the original characteristics of a phenolic resin, such as heat resistance, improved in balance between the flowability of the composition on its molding and the hardening rate of the composition after charged into a mold, and useful for a transfer molding method, etc., by including a specific phenolic resin and a small amount of a specific compound. SOLUTION: This phenolic resin composition comprises (A) 95-99.8 wt.% of a phenolic resin (e.g. a phenolaralkyl resin of formula II) represented by formula I [R1 is H, a halogen, etc.; is a benzene ring; (n) is 0-100], having sulfate groups extracted with 10 fold-volume of 95±5 deg.C water in amount of