公开(公告)号：US20230399474A1

公开(公告)日：2023-12-14

申请号：US18035276

申请日：2021-11-11

Applicant: DOW SILICONES CORPORATION

Inventor： Kalyn FROESCHLE ,  Jens NATTERODT ,  Rainer FREUDENBERGER ,  Thomas PEITZ ,  Roger ROMAIN ,  Ruediger SIEBMANN

IPC: C08J3/20 ,  C08J3/07 ,  C08J3/00 ,  C08K9/00 ,  C08K3/36

CPC classification number: C08J3/20 ,  C08J3/07 ,  C08J3/005 ,  C08K9/00 ,  C08K3/36 ,  C08J2319/00

Abstract: A process and apparatus for the continuous preparation of silicone rubber base compositions as well as the resulting compositions produced therefrom. This disclosure aims to cover a new continuous manufacturing process for making silicone rubber base compositions using an in situ silica treatment. The new continuous manufacturing process uses twin-screw extruder (TSE) technology.

公开(公告)号：US20200255663A1

公开(公告)日：2020-08-13

申请号：US16635547

申请日：2018-07-31

Applicant: DOW SILICONES CORPORATION

Inventor： Jianjun GAO ,  Rainer FREUDENBERGER ,  Franz HEIDENFELDER ,  Ruediger SIEBMANN ,  Kalyn FROESCHLE ,  Travis L. CLEMENTS

IPC: C08L83/04 ,  C08G77/06 ,  B29B7/72 ,  B29B7/74 ,  B29B7/86 ,  B29C48/03

Abstract: Provided are an assembly and process for the continuous or semi-continuous preparation of addition-crosslinking liquid silicone rubbers and to liquid silicone rubber compositions made therefrom. Also disclosed are articles made from the liquid silicone rubber compositions.