公开(公告)号：US3835083A

公开(公告)日：1974-09-10

申请号：US32933373

申请日：1973-02-05

Applicant: STAMICARBON

Inventor： TINKELENBERG A

IPC: C08L61/00 ,  C01B33/32 ,  C08G12/32 ,  C08K3/34 ,  C08L61/20 ,  C08G9/30 ,  C08G51/24

CPC classification number: C08G12/32 ,  C01B33/325 ,  C08K3/34 ,  C08L61/28

Abstract: A PROCESS FOR PREPARING STABLE MELAMINE-FORMALDEHYDE RESIN SOLUTIONS HAVING IMPROVED PROPERTIES IS DISCLOSED WHEREIN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE SILICATE IT PRESENT BEFORE, DURING OR AFTER THE CONDENSATION REACTION OF THE MELAMINE AND FORMALDEHYDE. THE RESULTING RESIN SOLUTIONS ARE SUITABLE FOR A VARIETY OF END USES WHEREIN MELAMINE-FORMALDEHYDE RESINS HAVE BEEN PREVIOUSLY USED, INCLUDING THE IMPREGNATION OF PAPER TO BE USED IN LAMINATES.