公开(公告)号：US20190194508A1

公开(公告)日：2019-06-27

申请号：US16231927

申请日：2018-12-24

Applicant: Nano and Advanced Materials Institute Limited

Inventor： Su Ping BAO ,  Lei GAO ,  Ruiqi CHEN ,  Man Lung SHAM

IPC: C09J183/06 ,  C09J11/04 ,  C09J11/06 ,  C08K9/04 ,  C08K3/26

CPC classification number: C09J183/06 ,  C08K3/26 ,  C08K9/04 ,  C08K2003/265 ,  C09J11/04 ,  C09J11/06

Abstract: The present invention provides a one-component silicone sealant composition curable when exposed to moisture at room temperature. The resulting silicone sealant has excellent stain-resistance, good overall mechanical performances and good adhesion on both dry and wet substrates. The composition contains modified hydroxyl-terminated polyorganosiloxanes polymer network in different viscosities being cross-linked with branched silicone oil in the presence of an environmental-friendly and tin-free catalyst and cross-linkers while some inert and/or functional nanofillers are added into the composition to provide mechanical and/or functional properties to the resulting silicone sealant. A method for preparing the present composition is also provided.