Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)01:16

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)

2.6K
Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...
2.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Revealing the selectivity source of di-2-ethylhexyl-phosphoric acid for trivalent Gd, Tb, and Dy separation.

RSC advances·2026
Same author

Multifunctional SiO<sub>2</sub>&PB particles composite coating on a titanium surface enhances the osseointegration of dental implants in diabetes.

Colloids and surfaces. B, Biointerfaces·2026
Same author

Disentangling complex language contact and admixture in the broad Gansu-Qinghai region.

Fundamental research·2026
Same author

Optimizing case mix for per-diem payment of mental disorders based on E-CHAID decision tree analysis.

BMC health services research·2026
Same author

Phylogenomic analysis of vocal fold length evolution reveals links between vocal and auditory systems in terrestrial mammals.

Molecular biology and evolution·2026
Same author

Generative Artificial Intelligence-driven orthodontic education practices.

BMC medical education·2026

Related Experiment Video

Updated: Jul 25, 2025

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K

Multiple Shape Manipulation of Azobenzene-Containing Polyimide by Combining Shape Memory Effect, Photofixity, and

Xuejie Sun1, Menghan Zhang1, Jia Wei1

  • 1Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China.

ACS Macro Letters
|June 26, 2023
PubMed
Summary

This study introduces a novel polyimide material with integrated thermal and light-induced shape manipulation. This smart material offers versatile shape control for advanced actuator applications.

More Related Videos

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

7.9K
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

3.2K

Related Experiment Videos

Last Updated: Jul 25, 2025

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K
Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
09:22

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives

Published on: February 7, 2017

7.9K
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

3.2K

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Smart Materials

Background:

  • Smart materials require integrated shape control for enhanced functionality.
  • Combining thermal and photoresponsive properties in a single material is challenging.
  • Polyimides offer a robust platform for developing advanced functional materials.

Purpose of the Study:

  • To develop a polyimide with integrated multiple shape manipulation capabilities.
  • To achieve synergism between thermal-induced shape memory and photoresponsive behaviors.
  • To create multifunctional actuators with combined shape control mechanisms.

Main Methods:

  • Synthesized a polyimide network with azobenzene side chains.
  • Incorporated trifunctional cross-linkers for thermal-induced shape memory.
  • Utilized azobenzene groups for photofixity and reversible photodeformability.
  • Investigated the independence and compatibility of thermal and photoresponsive behaviors.

Main Results:

  • The polyimide exhibits independent thermal-induced shape memory effects and photoresponsive behaviors (photofixity, reversible photodeformability).
  • These properties are maintained after thermal shaping and fixing, without requiring molecular prealignment.
  • The material allows for arbitrary combinations of thermal and light-induced shape changes.
  • Demonstrated the creation of diverse shapes and functional actuators by integrating these properties.

Conclusions:

  • A novel polyimide with dual thermal and photoresponsive shape manipulation was successfully prepared.
  • The non-interfering nature of the stimuli allows for versatile and combinable shape control.
  • This approach provides a new pathway for designing multifunctional actuators with potential applications in intelligent drivers.