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関連する概念動画

The Colloidal State01:29

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...
Colloids03:22

Colloids

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...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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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関連する実験動画

Updated: May 20, 2026

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration
08:45

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration

Published on: May 26, 2016

ポリマーソームはコロイドソームを形成できますか?

Kate L Thompson1, Pierre Chambon, Robert Verber

  • 1Department of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire, UK. k.l.thompson@sheffield.ac.uk

Journal of the American Chemical Society
|July 20, 2012
PubMed
まとめ
この要約は機械生成です。

ヒドロキシ機能化されたポリマーソームは,ピカリング乳液を安定させる. クロスリンクは,ポリマーソームの整合性と安定したコロイドソームの形成に不可欠であり,エムルションの安定化における潜在能力を示しています.

さらに関連する動画

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst
07:39

Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst

Published on: June 8, 2016

関連する実験動画

Last Updated: May 20, 2026

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration
08:45

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration

Published on: May 26, 2016

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst
07:39

Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst

Published on: June 8, 2016

科学分野:

  • ポリマー化学のポリマー化学について
  • コロイド科学 コロイド科学
  • 材料科学 材料科学とは

背景:

  • ポリマーソーム,またはブロックコポリマーベシクルは,安定化における潜在的な応用を持つ自己組み立てナノ構造体です.
  • ピカリングエムルションは固体粒子によって安定させられ,従来の表面活性剤の代替品となる.

研究 の 目的:

  • ピカリング乳化剤としてのヒドロキシ機能化されたポリマーソームの有効性を調査する.
  • 乳化過程におけるポリマーソーム構造の維持におけるクロスリンクの役割を調査する.
  • ポリマーソームを用いてコロイドソームの形成を評価する.

主な方法:

  • ポリマーソーム合成のためのワンポットRAFT水性分散ポリメリゼーション.
  • 水中のn-ドデカンを用いてピカリング乳液の製造と特徴付け.
  • 構造分析のための伝送電子顕微鏡 (TEM).
  • エムルション評価のための光学および光顕微鏡.

主要な成果:

  • 線形ポリマーソームはエムルションを効果的に安定させることができず,個々のポリマー鎖によって安定したポリ分散滴を生じました.
  • 交互に結合したポリマーソームは,安定したn-ドデカン-イン-ウォーターのピカリングエムルションを形成し,ドロップレットの大きさはポリマーソーム濃度に依存しています.
  • 油/水界面での二酸化イソシアン酸のクロスリンクは,明確に定義されたコロイドソームの形成をもたらしました.

結論:

  • ポリマーソームは,乳化プロセスに耐えてエムルションを効果的に安定させるのに十分なクロスリンクを必要とします.
  • 交叉結合ポリマーソームは,安定したコロイドソームの形成のための構成要素として機能することができます.
  • この研究は,ピカリング乳化剤として作用するポリマーソームおよびコロイドソーム形成における構造的整合性の重要性を強調しています.