Title:
PHENOL RESIN FOR SHELL MOLD
Document Type and Number:
Japanese Patent JPH04339536
Kind Code:
A
Abstract:
PURPOSE: To provide the resin showing excellent mold collapsibility even in the case of using to casting at comparatively low temp.
CONSTITUTION: This is the phenol resin for shell mold, mainly containing produced material obtd. by dissolving and reacting ligneous raw material and phenol compound under existence of acidic catalyst.
Inventors:
TSUJIMOTO NAOHIKO
Application Number:
JP10745891A
Publication Date:
November 26, 1992
Filing Date:
May 13, 1991
Export Citation:
Assignee:
OJI PAPER CO
International Classes:
B22C1/22; C08L61/04; C08L61/06; (IPC1-7): B22C1/22; C08L61/06
Attorney, Agent or Firm:
Aoki Akira (4 outside)