A mold release agent comprising an aqueous emulsion containing a condensation- or addition-crosslinking silicone system (A or B respectively) with at least 2 components and (C) aqueous colloidal silicic acid (silica sol). An Independent claim is also included for a process for vulcanizing pneumatic tires in which a mold release agent as described above is applied to the bladder and/or the tire blank before vulcanization.
申请公布号
EP1000989(A3)
申请公布日期
2000.10.11
申请号
EP19990121968
申请日期
1999.11.09
申请人
RHEIN CHEMIE RHEINAU GMBH
发明人
GRAPE, WOLFGANG, DR.;KROTT, JUERGEN;ZILLMER, FRANK-RAINER;WAGNER, HERBERT;SCHUMACHER, KARL-HEINZ;SCHOLAND, BERNHARD