公开(公告)号：US3700604A

公开(公告)日：1972-10-24

申请号：US3700604D

申请日：1969-05-05

Applicant: AMERON INC

Inventor： METIL IGNATIUS

IPC: B01J31/02 ,  C08L71/14 ,  B01J11/82

CPC classification number: C08L71/14 ,  B01J31/0225 ,  B01J31/0254

Abstract: POWDERED ACIDIC CATALYST FOR FURAN RESINS IS FORMED IN SITU ON POWDERED INERT FILLER MATERIAL WHICH MAY OR MAY NOT CONTAIN A POWDERED COCATALYST DISPERSED THEREIN. THE ACIDIC CATALYST IS A SALT OF A STRONG ACID. IN SITU FORMATION OF THE ACIDIC SALT IS OBTAINED BY BLENDING THE ACID AND BASE INTO THE FILLER, AND UNIFORM, HOMOGENOUS DISPERSION OF THE SALT IS EFFECTED BY BLENDING ONE OF THEM, AS A LIQUID, INTO THE FILLER WHEREAFTER THE OTHER IS ADDED, AS A LIQUID, INTO THE BLEND TO PRODUCE A DRY POWDER WHICH IS THE ACIDIC CATALYST FORMED ON AND DISPERSED UNIFORMLY THROUGHOUT THE FILLER.