公开(公告)号：US20240384069A1

公开(公告)日：2024-11-21

申请号：US18692359

申请日：2022-09-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adam D. Miller ,  Jean A. Tangeman ,  Yong K. Wu ,  Eisuke Fujiwara ,  Takujiro Yamabe ,  Taiki Ihara

IPC: C08K9/02 ,  C03C17/245 ,  C03C17/25 ,  C08K3/36 ,  C08K7/28 ,  C23C16/40 ,  C23C16/44 ,  C23C16/56 ,  H05K1/03

Abstract: Silica coated glass bubbles comprising a glass bubble and a silica coating in direct contact with the outer surface of the bubble, wherein the silica coating is substantially free of silanol groups. A composite comprising a polymer and a plurality of the silica coated glass bubbles dispersed therein. Articles comprising the composite. Methods for making the silica coated glass bubbles.