US 11,781,004 B2
Electronic telecommunications articles comprising crosslinked fluoropolymers and methods
Naiyong Jing, St. Paul, MN (US); Cheng Gu, Golden Valley, MN (US); Klaus Hintzer, Kastl (DE); Tho Q. Nguyen, Bloomington, MN (US); Peter J. Scott, Stillwater, MN (US); Cheng Li, Shanghai (CN); Zai-Ming Qiu, Woodbury, MN (US); and Yong Wu, Woodbury, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 17/766,563
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Nov. 3, 2020, PCT No. PCT/US2020/058660
§ 371(c)(1), (2) Date Apr. 5, 2022,
PCT Pub. No. WO2021/091864, PCT Pub. Date May 14, 2021.
Claims priority of provisional application 62/930,366, filed on Nov. 4, 2019.
Claims priority of application No. PCT/CN2019/124451 (WO), filed on Dec. 11, 2019.
Prior Publication US 2023/0135565 A1, May 4, 2023
Int. Cl. H01B 3/44 (2006.01); C08L 27/18 (2006.01); C08K 3/36 (2006.01)
CPC C08L 27/18 (2013.01) [C08K 3/36 (2013.01); H01B 3/445 (2013.01); C08K 2201/001 (2013.01); C08L 2203/206 (2013.01); C08L 2312/06 (2013.01)] 19 Claims
 
1. An electronic telecommunication article comprising a crosslinked fluoropolymer layer, wherein the fluoropolymer
comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites; and fumed and/or fused silica having an aggregate particle size of at least 500 nm;
wherein the article is an integrated circuit, printed circuit board, an antenna, or an optical cable.