公开(公告)号：US20140309370A1

公开(公告)日：2014-10-16

申请号：US14225538

申请日：2014-03-26

申请人： Wacker Chemie AG

发明人： Detlev Ostendorf ,  Uwe Scheim ,  Peter Schoeley

IPC分类号： C08K5/01 ,  C08K3/36

CPC分类号： C08K5/01 ,  C08G77/14 ,  C08K3/36 ,  C08K2201/002 ,  C08K2201/006 ,  C08L83/06 ,  C08L83/04

摘要： Crosslinkable compositions based on organosilicon compounds, more particularly RTV-1 sealants, contain (A) at least one organosilicon compound having at least two condensable radicals, (B) at least one finely divided silicon dioxide having a BET surface area of 30 to 120 m2/g and a relative thickening effect ηrel of 1.4 to 10, and (C) at least one hydrocarbon component which has an initial boiling point above 150° C., a final boiling point below 350° C., each at a pressure of 1013 hPa, a kinematic viscosity of 1.5 to 6.0 mm2/s as measured at 40° C., a viscosity-density constant (VDC) of less than or equal to 0.820, a pour point of less than −5° C., and an aromatic carbon atom (CA) content of less than 0.1% CA.

摘要翻译： 基于有机硅化合物，特别是RTV-1密封剂的可交联组合物含有（A）至少一种具有至少两个可冷凝自由基的有机硅化合物，（B）至少一种BET表面积为30至120m 2的细分二氧化硅 / g，相对增稠效果和相对值为1.4〜10，（C）至少一种初沸点高于150℃的烃成分，最终沸点低于350℃，各自处于压力 的1013hPa，在40℃下测得的运动粘度为1.5至6.0mm 2 / s，粘度密度常数（VDC）小于或等于0.820，倾点小于-5℃， 和芳族碳原子（CA）含量小于0.1％CA。