公开(公告)号：US3752768A

公开(公告)日：1973-08-14

申请号：US3752768D

申请日：1971-08-23

Applicant: ANDERSON DEV CO

Inventor： THOMPSON J ,  PORTER T

IPC: C08G59/50 ,  C07C87/54 ,  C08F45/72

CPC classification number: C08G59/5033

Abstract: A LIQUID COMPOSITION USEFUL FOR CURING EPOXY RESINS, URETHANE FOAMS AND URETHANE ELASTOMERS IS PREPARED BY CONDENSING ANILINE, 2-CHLOROANILINE, 2,5-DICHLOROANILINE AND FORMALDEHYDE IN CERTAIN RATIOS IN THE PRESENCE OF AN ACID.

公开(公告)号：US3803197A

公开(公告)日：1974-04-09

申请号：US27148272

申请日：1972-07-13

Applicant: ANDERSON DEV CO

Inventor： ANDERSON A ,  PORTER T

IPC: C07F7/04

CPC classification number: C07F7/045

Abstract: ALKYL AND 2-ALKOXY-ETHYL ORTHOSILICATES ARE PREPARED BY REACTING A SIMPLE ALCOHOL OR A 2-ALKOXY-ETHYL ALCOHOL WITH SILICON IN CONTACT WITH A CATALYTIC AMOUNT OF AN ALKALI METAL DERIVATIVE OF A 2-ALKOXY-ETHYL ALCOHOL AT ATMOSPHERIC PRESSURE AND AT TEMPERATURE OF ABOUT 120* TO 250*C., PREFERABLY 150* TO 220*C. THE PREPARATION IS PERFORMED PREFERABLY IN THE PRESENCE OF A SOLVENT.