公开(公告)号：US3658912A

公开(公告)日：1972-04-25

申请号：US3658912D

申请日：1966-03-09

Applicant: BAYER AG

Inventor： WAMBACH RAIMUND ,  WOLZ HERMANN

IPC: C07C47/058 ,  C08F283/06 ,  C07C47/04

CPC classification number: C07C45/86 ,  C08F283/06 ,  C07C47/04 ,  C08F218/04

Abstract: A METHOD OF IMPROVING STABILIZATION OF AQUEOUS FORMALDEHYDE SOLUTIONS BY ADMIXING THEREWITH A GRAFT POLYMER OF A VINYL ALCOHOL ESTER GRAFTED TO A POLY ACETAL OF FORMALDEHYDE WITH A GLYCOL OR THE CORRESPONDING SAPONIFICATION PRODUCT THEREOF; HEATING THE MIXTURE AT 60-120*C. FOR 3-20 HOURS.