公开(公告)号：US3755240A

公开(公告)日：1973-08-28

申请号：US3755240D

申请日：1970-12-14

Applicant: TEXACO AG

Inventor： LUCKER W ,  VIETZ H

IPC: B22C1/22 ,  B22C1/24 ,  B22C5/00 ,  C08J3/00 ,  C08L61/10 ,  C08G51/28 ,  C08G53/00

CPC classification number: C08J3/00 ,  B22C1/2253 ,  B22C1/24 ,  B22C5/00 ,  C08J2361/00

Abstract: Thermosetting pulverulent binders suitable for use in manufacturing foundry molds comprising (a) phenolformaldehyde novolak finely ground with hexamethylene-tetramine, (b) magnesium oxide and (c) mineral oil are prepared by spraying a pulverulent mixture of (a) and (b) maintained in a fluidized state with mineral oil.

Abstract translation: 适用于制造铸造模具的热固性粉状粘合剂包括（a）用六亚甲基四胺精细研磨的酚醛清漆溶剂，（b）氧化镁和（c）矿物油，通过喷雾（a）和（b）维持的 处于矿物油的流化状态。