Stretchable electrically conductive ink compositions

US11814530B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Robert P. Cross · Rocky Hill, US
• Wenhua Zhang · Farmington, US
• Zhan Hang Yang · Suzhou, CN
• Jiangbo Ouyang · Media, US
• Yu Chen · Brookline, US
• Lynnette Hurlburt · Manchester, US
• Darel Gustafson · Shelton, US

Key dates

• Filing date: Jul 8, 2021
• Grant date: Nov 14, 2023
• Expiry date: Dec 16, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/102
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed herein are stretchable conductive ink compositions comprising a polymer, conductive flake, an additive, and optionally conductive beads, wherein the initial resistivity is measured before elongation, and wherein the resistivity at 50% elongation is about 10 times or less of the initial resistivity.