Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Both Electrical Isolation and Lesion Homogeneity Should be Focused: Evidence From Repeat Atrial Fibrillation Ablation.

Journal of cardiovascular electrophysiology·2026
Same author

Selection and evaluation of dual reference genes in silkworm <i>(Bombyx mori</i>) based on transcriptome data.

Science progress·2026
Same author

Silkworm SOCS2 Differentially Promotes Multiple Steps of BmNPV Proliferation and Modulates the mRNA Expression of SOCS-STAT Network Components.

Insects·2026
Same author

Gel-Based 3D Food Printing for Dysphagia Management: Advances in Personalized Nutrition, Texture Control, and Clinical Translation.

Gels (Basel, Switzerland)·2026
Same author

Noninvasive pre-transfer identification of women with recurrent implantation failure using a plasma microRNA-based machine learning model†.

Biology of reproduction·2026
Same author

Association between Ambient Temperature and Ventricular Arrhythmias in Patients with Implantable Cardioverter-Defibrillators: A Time-Stratified Case-Crossover Study in China.

Environmental science & technology·2026

相关实验视频

Updated: May 16, 2025

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems
06:54

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

Published on: June 23, 2023

745

聚乙烯聚氨中的溶剂制诱导的微相分离:一个小角度X射线散射研究.

Shanshan Wang1, Jiayao Song1, Keping Chen2

  • 1State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry Southwest University of Science and Technology Mianyang621010 People's Republic of China.

Journal of applied crystallography
|April 2, 2025
PubMed
概括

溶剂蒸汽回火在较低温度下提炼聚氨 (PU) 微结构. 甲基乙基 (MEK) 蒸汽显示出最大的影响,增强了PU材料的相分离和热稳定性.

关键词:
萨克斯 (SAXS) 的时间微相分离的微相分离方法聚氨是一种聚氨.小角X射线散射的小角度X射线散射.溶剂烧焦 溶剂烧焦 溶剂

更多相关视频

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
11:49

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

12.4K
Monitoring the Effects of Illumination on the Structure of Conjugated Polymer Gels Using Neutron Scattering
06:16

Monitoring the Effects of Illumination on the Structure of Conjugated Polymer Gels Using Neutron Scattering

Published on: December 21, 2017

5.7K

相关实验视频

Last Updated: May 16, 2025

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems
06:54

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

Published on: June 23, 2023

745
Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
11:49

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

12.4K
Monitoring the Effects of Illumination on the Structure of Conjugated Polymer Gels Using Neutron Scattering
06:16

Monitoring the Effects of Illumination on the Structure of Conjugated Polymer Gels Using Neutron Scattering

Published on: December 21, 2017

5.7K

科学领域:

  • 聚合物科学 聚合物科学
  • 材料科学 材料科学 材料科学
  • 表面化学 表面化学

背景情况:

  • 聚氨 (PU) 微相分离对于材料性能至关重要.
  • 热可以改进PU微结构,但需要高温.
  • 溶剂蒸汽回火为PU修饰提供了较低温度的替代方案.

研究的目的:

  • 为了研究溶剂蒸汽回火对聚氨微相分离的影响.
  • 为了比较不同溶剂蒸汽 (MEK,乙,) 对PU微观结构的影响.
  • 为了评估与传统制样本相比,溶剂制PU的热稳定性.

主要方法:

  • 微角X射线散射 (SAXS) 用于分析微相分离结构.
  • 在现场可变温度SAXS以评估热稳定性.
  • 使用多分散硬球模型进行分析.

主要成果:

  • 溶剂回火增加了PU中的相分离度.
  • 溶剂的有效性按照以下顺序进行:MEK > 乙 > 烯.
  • 与灭的样本相比,溶剂炼的PU表现出增强的热稳定性.
  • 溶剂回火诱导了更高的相位分离,没有显著的域增长.

结论:

  • 溶剂蒸汽回火是一种在较低温度下提炼PU微结构的有效方法.
  • MEK是一种特别有效的溶剂,可增强PU相位分离和热稳定性.
  • 这些发现为优化PU加工提供了一条途径,用于对热量敏感的先进应用.