A method for achieving structural color patterning by controlling the wrinkles of a double-layer system based on inorganic salt inkjet
By using inorganic salt inkjet printing technology to regulate wrinkles on a polymer double-layer system to form structural color patterns, the problems of complex preparation and high cost in the existing technology are solved, and simple, low-cost fine patterning control and large-scale production are achieved.
CN119565885BActive Publication Date: 2025-09-12GUANGDONG UNIV OF TECH
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Patent Information
- Application Number
- CN202410882013.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2044-07-03
AI Technical Summary
Technical Problem
The existing methods for preparing structural color materials are complex and costly, and it is difficult to achieve fine patterning control.
Method used
Inorganic salt inkjet printing technology is used to form a wrinkle structure on the polymer double-layer system. The wrinkles are regulated by inorganic salt solution to form a structural color pattern, and inorganic salt ions are used to destroy the hydrogen bonds between PVA chains to achieve patterning.
Benefits of technology
Simple and low-cost structural color patterning is achieved, the pattern position can be precisely controlled, suitable for large-scale production, and the pattern can disappear and appear under humidity or mechanical response.
✦ Generated by Eureka AI based on patent content.
Abstract
This application discloses a method for achieving structural color patterning of a double-layer system by regulating the wrinkles of a double-layer system through inorganic salt inkjet printing, which relates to the field of optical information patterning technology. The method comprises: stirring and mixing polydimethylsiloxane and a curing agent in a mass ratio of 10:1, centrifuging, and curing at 60°C for 8 hours to obtain a cured polydimethylsiloxane; spin-coating a PVA solution on a substrate at a rotation speed of 500-9500 rpm to obtain a double-layer system; inkjet printing an inorganic salt solution on the double-layer system to obtain a double-layer system printed with an inkjet pattern; and sequentially stretching and releasing the double-layer system printed with the inkjet pattern to form a structural color pattern. In this way, the technology for achieving structural color patterning does not require the substrate itself, but only requires spin coating and inkjet printing on the substrate. The structural color patterning method is simple to operate, practical, low-cost, and also convenient for large-scale production. The pattern acquisition conditions are simple, requiring only stretching and release.
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