Invention Grant
- Patent Title: Electrochromic thermoplastics, devices, and composites
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Application No.: US15065730Application Date: 2016-03-09
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Publication No.: US10774198B2Publication Date: 2020-09-15
- Inventor: Kelvin L. Baumann
- Applicant: Gentex Corporation
- Applicant Address: US MI Zeeland
- Assignee: GENTEX CORPORATION
- Current Assignee: GENTEX CORPORATION
- Current Assignee Address: US MI Zeeland
- Agency: Foley & Lardner LLP
- Agent Bradley D. Johnson
- Main IPC: G02F1/15
- IPC: G02F1/15 ; C08K5/3465 ; C08K5/3432 ; C09K9/02 ; G02F1/1523 ; G02F1/1516 ; G02F1/1514

Abstract:
An electrochromic thermoplastic composition includes about 10 wt % to about 60 wt % a poly(vinyl alcohol), a poly(acrylic acid), a poly(acrylic acid) salt, a polyaniline salt, a poly(diallyl dimethyl ammonium chloride), a poly(ethylene-co-acrylic acid), a co-polymer of any two or more thereof, or a mixture of any two or more thereof; about 40 wt % to about 90 wt % of a protic solvent; and at least one electroactive material; wherein the composition does not include lithium chloride, tetrabutylammonium bromide, lithium bis(trifluoromethanesulfonyl)imide, lithium triflate, and lithium hexafluorophosphate.
Public/Granted literature
- US20160377946A1 ELECTROCHROMIC THERMOPLASTICS, DEVICES, AND COMPOSITES Public/Granted day:2016-12-29
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