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相关概念视频

Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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Copolymers are the products obtained from the polymerization of multiple monomer species. So, in a polymer chain itself, there can be multiple repeating units that come from different monomers. The process of synthesizing a polymer from different monomer species is called copolymerization. When two monomers are involved, the polymer is known as a bipolymer. Polymers with three and four monomers are termed terpolymers and quaterpolymers, respectively. Figure 1 depicts the copolymerization of...
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相关实验视频

Updated: Sep 17, 2025

Inkjet-printed Polyvinyl Alcohol Multilayers
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异质聚合物多层使得信息加密的光响应非互惠模式成为可能.

Chenrui Yuan1, Dachuan Zhang1, Zhulu Xie1

  • 1Hefei National Research Center for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China.

Advanced materials (Deerfield Beach, Fla.)
|July 1, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了新的异质聚合物多层,以创建动态的,非互惠的光学模式,用于先进的信息加密. 这些灵活的材料为新兴技术提供安全,可更新的数据保护.

关键词:
亚博取款方式亚博取款方式亚博取款方式信息的加密信息的加密.没有互惠的非互惠.摄影图案制作 摄影图案制作光响应性聚合物中的聚合物.

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Patterning via Optical Saturable Transitions - Fabrication and Characterization
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Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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相关实验视频

Last Updated: Sep 17, 2025

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光学是什么?光学是什么?光学是什么?
  • 聚合物化学 聚合物化学

背景情况:

  • 对于加强信息安全的日益增长的需求.
  • 非互惠模式提供高安全性加密,但其设计具有挑战性.
  • 现有的方法缺乏动态和灵活的加密功能.

研究的目的:

  • 设计和制造非互惠的光学模式,以使用异质聚合物多层进行安全的信息加密.
  • 为了证明这些加密材料的动态,双模式和灵活性质.
  • 探索它们在灵活光子学和防伪方面的潜在应用.

主要方法:

  • 使用聚乙烯醇 (PVA) 极化剂和含有亚博的聚合物 (亚博聚合物) 构建异质聚合物多层.
  • 用于层组装的光控制粘合.
  • 用极化光进行光图制造,以创建非互惠的光学图案.
  • 用衍射元件打印双模式信号.

主要成果:

  • 成功制造出非互惠的光学图案,信息可以从单一方向解密.
  • 通过光照射证明了动态模式重写能力.
  • 通过衍射元件印记实现双模式光学信号.
  • 开发了灵活,可曲和可折叠的加密材料.

结论:

  • 异质聚合物多层为创建安全,可更新和机械强大的信息加密材料提供了可行的平台.
  • 开发的非互惠模式为高级安全应用提供动态和双模式功能.
  • 这些材料适用于灵活的光子学,便携式电子,防伪和可穿戴设备.