公开(公告)号：MY161399A

公开(公告)日：2017-04-14

申请号：MYPI2013003696

申请日：2012-04-12

Applicant: BASF SE

Inventor： DR TOMOVIC ZELJKO ,  JACOBMEIER OLAF ,  DR KAMPF GUNNAR

IPC: C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G101/00

Abstract: A PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS BY REACTING A) ORGANIC POLYISOCYANATES WITH B) COMPOUNDS HAVING AT LEAST TWO HYDROGEN ATOMS WHICH ARE REACTIVE TOWARD ISOCYANATE GROUPS IN THE PRESENCE OF C) BLOWING AGENTS, D) CATALYSTS AND OPTIONALLY, E) AUXILIARIES AND ADDITIVES, WHEREIN A MIXTURE OF B1) FROM 20 TO 60 PARTS BY WEIGHT OF ONE OR MORE HIGH-FUNCTIONALITY POLYETHER ALCOHOLS HAVING FUNCTIONALITIES OF FROM 3.5 TO 5.5 AND A HYDROXYL NUMBER OF FROM 400 TO 550 MG KOH/G, B2) FROM 5 TO 25 PARTS BY WEIGHT OF ONE OR MORE POLYETHER ALCOHOLS BASED ON AROMATIC AND/OR ALIPHATIC AMINES AND HAVING FUNCTIONALITIES OF FROM 3.5 TO 4.5 AND A HYDROXYL NUMBER OF FROM 350 TO 500 MG KOH/G, B3) FROM 5 TO 25 PARTS BY WEIGHT OF ONE OR MORE POLYETHER ALCOHOLS HAVING FUNCTIONALITIES OF FROM 2 TO 4 AND A HYDROXYL NUMBER OF FROM 150 TO 450 MG KOH/G B4) FROM 1 TO 15 PARTS BY WEIGHT OF ONE OR MORE LOW MOLECULAR WEIGHT CHAIN EXTENDERS AND/OR CROSSLINKERS HAVING FUNCTIONALITIES OF FROM 2 TO 3 AND A MOLECULAR WEIGHT MW OF