University of Massachusetts

Lushuai Zhang

Trisha L Andrew

Morgan Baima

A heating element composite comprises a substrate of one or more fibers or threads and an electrically-conductive polymer coating comprising an electrically-conductive polymer material deposited onto the one or more fibers or threads. A thickness of the electrically-conductive polymer coating is at least about 100 nanometers and the electrically-conductive polymer coating covers at least about 75% of an external surface area of the one or more fibers or threads of the substrate. The resulting heating element composite has a sheet resistance of from about 2&#x3a9;/&#x25a1; to about 200&#x3a9;/&#x25a1;.

Electrically-heated fiber, fabric, or textile for heated apparel

A heating element composite comprises a substrate of one or more fibers or threads and an electrically-conductive polymer coating comprising an electrically-conductive polymer material deposited onto the one or more fibers or threads. A thickness of the electrically-conductive polymer coating is at least about 100 nanometers and the electrically-conductive polymer coating covers at least about 75% of an external surface area of the one or more fibers or threads of the substrate. The resulting heating element composite has a sheet resistance of from about 2 &#x3a9;/&#x25a1; to about 200 &#x3a9;/&#x25a1;.

Disclosed herein is an electrically insulating substrate comprising a p-doped poly(3,4-ethylenedioxythiophene) layer disposed thereon, where the p-doped poly(3,4-ethylenedioxythiophene) layer is manufactured by a method comprising charging a vapor comprising 3,4-ethylenedioxythiophene into a reactor; where the reactor comprises the electrically insulating substrate; charging a vapor comprising an iron salt into the reactor; polymerizing the 3,4-ethylenedioxythiophene with the iron salt to form the p-doped poly(3,4-ethylenedioxythiophene); and disposing the poly(3,4-ethylenedioxythiophene) layer on the substrate.

Growing community of inventors

Sunderland, MA, United States of America

Lushuai Zhang