Title:
【発明の名称】バインダー組成物、そのバインダー組成物を含む鋳型造形用組成物及びそのバインダー組成物を使用する鋳物用中子又は金型の製造方法
Document Type and Number:
Japanese Patent JP2665492
Kind Code:
B2
Abstract:
Modified benzylic ether resole resins and process for their preparation. The resins are prepared by treating a phenol with a molar excess of aldehyde in the presence of a divalent metal ion catalyst at a pH below 7 followed by further reaction at a pH above 8 in the presence of an alkaline catalyst. Alkaline solutions of the resins are used as foundry binders in an ester cure process.
Inventors:
David Ray Arm Blaster
Merlin candy payment
Merlin candy payment
Application Number:
JP17761095A
Publication Date:
October 22, 1997
Filing Date:
July 13, 1995
Export Citation:
Assignee:
Borden Chemical,Inc.
International Classes:
B22C1/22; B22C9/12; C08G8/00; C08G8/04; C08G8/28; B22C1/20; C08G8/36; C08K5/13; C08L61/04; C08L61/06; C09J161/06; (IPC1-7): B22C1/20; B22C1/22; B22C9/12; C08K5/13; C09J161/06
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)