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相关概念视频

Colloids03:22

Colloids

17.6K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
17.6K

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相关实验视频

Updated: Jul 17, 2025

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold
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Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Published on: June 16, 2022

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硬化合体凝使用粗的构建块.

Florence J Müller1, Lucio Isa1, Jan Vermant2

  • 1Department of Materials, ETH Zurich, Switzerland.

Nature communications
|August 31, 2023
PubMed
概括
此摘要是机器生成的。

将表面粗性引入合凝颗粒显著提高了它们的性和自我愈合能力. 这项创新改善了材料性能,用于3D打印和凝制造等应用.

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Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
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Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning

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Synthesis and Characterization of Supramolecular Colloids
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Synthesis and Characterization of Supramolecular Colloids

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相关实验视频

Last Updated: Jul 17, 2025

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold
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Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
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Synthesis and Characterization of Supramolecular Colloids
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Synthesis and Characterization of Supramolecular Colloids

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科学领域:

  • 材料科学 材料科学 材料科学
  • 体科学 体科学 体科学
  • 聚合物化学 聚合物化学

背景情况:

  • 体凝被广泛使用,但由于脆性和低产量应变而受到限制.
  • 粒子表面形态和相互作用力 (中心力) 限制了凝的性能.
  • 提高凝的性和可变性对于先进的材料应用至关重要.

研究的目的:

  • 为了增强合凝的机械性能.
  • 为了研究颗粒表面粗度对凝行为的影响.
  • 为功能性材料应用开发改进的合体凝.

主要方法:

  • 使用具有受控表面粗度 (粗与光滑) 的二氧化颗粒制备热可逆合凝.
  • 采用基于点击类化学的表面移植技术进行粒子修饰.
  • 使用rheological和光学技术来表征凝的特性.

主要成果:

  • 与光滑颗粒凝相比,由粗颗粒组成的凝显示出明显增强的性和产量应变.
  • 粗颗粒凝表现出显著的自我愈合特性.
  • 引入表面粗导致非中心粒子间相互作用,提高了凝弹性.

结论:

  • 颗粒表面粗度是提高合体凝机械强度和自我愈合的关键因素.
  • 开发的粗颗粒凝对要求高性能的应用具有前景,如凝制造和挤出3D打印.
  • 这种方法为设计先进的功能软材料提供了一个可行的策略.