Title:
GRINDING PRODUCT BONDED WITH COLOR STABILIZED BASE CATALYZED PHENOLIC RESIN
Document Type and Number:
Japanese Patent JPH04214740
Kind Code:
A
Abstract:
PURPOSE: To provide an alkali metal hydroxide catalyzed phenol resin thermally stabilized in color with the elapse of time.
CONSTITUTION: This inventive phenol resin pref. contains an ammonium base salt selected from a group consisting of ammonium chloride, ammonium hydrogen fluoride, secondary (dibasic) ammonium citrate, tertiary (tribasic) ammonium citrate, ammonium aluminum tetrafluoride, ammonium dihydrogen sulfate, diammonium hydrogen sulfate and alminum ammonium fluoride represented by formula (NH4MM')AlF6 (wherein M and M' are the same or different cation selected from a group consisting of NH4-, Li-, Na- and K-).
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Inventors:
DEBITSUDO AARU BUROBAAGU
KAARU AASAA JIYAKUSON
KAARU AASAA JIYAKUSON
Application Number:
JP1873191A
Publication Date:
August 05, 1992
Filing Date:
February 12, 1991
Export Citation:
Assignee:
MINNESOTA MINING & MFG
International Classes:
B24B3/34; C08G8/20; C08K3/16; C08J5/14; C08L61/04; C08L61/06; (IPC1-7): C08J5/14; C08L61/06
Attorney, Agent or Firm:
Eiji Minazaki (2 outside)
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