Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Polymer Classification: Stereospecificity

Polymer Classification: Stereospecificity

Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...

You might also read

Related Articles

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

Sort by

Same author

Data driven prediction of bat flight kinematics and trajectory.

Bioinspiration & biomimetics·2026

Same author

Draft genome assemblies of doxycycline-resistant derivatives of <i>Bacillus cereus</i> strain ATCC14579.

Microbiology resource announcements·2026

Same author

Reactive Melt Extrusion for Polymer Deconstruction and Upcycling.

JACS Au·2026

Same author

AI-Directed 3D Printing of Hierarchical Polyurethane Foams.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

Attenuated Strains of Pseudomonas aeruginosa: A Promising Cell Factory for Rhamnolipid Production.

Microbial biotechnology·2025

Same author

Rheology Indicators for Assessing Bead Spreading of Hydrogels with Functional Rheology Modifiers for Direct Ink Writing: A Case Study for Chitosan-Graphene-Titanium Dioxide.

ACS applied polymer materials·2025

Same journal

Integrated Electrode-to-Device Design via Combination of Grain Boundary Reconstruction and Dynamic Gas Management Toward Stable 3 Ah Aqueous Zinc-Iodine Pouch Cells.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Diblock Copolymer Engineered Swim Bladder Membrane Enables Spatiotemporal Synchronized Defense and Pro-Healing in Challenging Soft Tissue Regeneration.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Solvation Chemistry Reimagined: LiPF6-Enabled Suppression of Gas Evolution for Ultra-Stable 200 Ah Anode-Free Lithium-Metal Batteries.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Entropy-Driven Conformational Disorder Enables Outstanding High-Temperature Energy Storage in Dielectric Polymers.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Breaking Thermal Conductivity-Electrical Resistivity Trade-Off in Liquid Metal-Based Thermal Interface Materials via Interface Engineering.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Screen-Printed Few-Layer Graphene Platforms for Monitoring Switchable Spin-Crossover Phenomena at Room-Temperature.

Advanced materials (Deerfield Beach, Fla.)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Feb 28, 2026

Stereolithographic 3D Printing with Renewable Acrylates

Stereolithographic 3D Printing with Renewable Acrylates

Published on: September 12, 2018

3D Printing All-Aromatic Polyimides using Mask-Projection Stereolithography: Processing the Nonprocessable.

Maruti Hegde¹, Viswanath Meenakshisundaram², Nicholas Chartrain³

¹Department of Chemistry and Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, VA, 24061, USA.

Advanced Materials (Deerfield Beach, Fla.)

|June 20, 2017

Summary

This summary is machine-generated.

Researchers developed a novel 3D printing method for high-performance polyimides (PMDA-ODA), enabling the creation of intricate, durable structures. This breakthrough overcomes traditional processing limitations for these advanced engineering materials.

Keywords:

3D printing engineering polymers mask-projection stereolithography polyimide thermoplastics

More Related Videos

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

Author Spotlight: Modular Neuronal Networks for Analyzing Brain Functions

Author Spotlight: Modular Neuronal Networks for Analyzing Brain Functions

Published on: June 7, 2024

Related Experiment Videos

Last Updated: Feb 28, 2026

Stereolithographic 3D Printing with Renewable Acrylates

Stereolithographic 3D Printing with Renewable Acrylates

Published on: September 12, 2018

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

Author Spotlight: Modular Neuronal Networks for Analyzing Brain Functions

Author Spotlight: Modular Neuronal Networks for Analyzing Brain Functions

Published on: June 7, 2024

Area of Science:

Materials Science
Polymer Chemistry
Additive Manufacturing

Background:

High-performance polyimides, like pyromellitic dianhydride and 4,4'-oxydianiline (PMDA-ODA), offer exceptional thermal stability and mechanical strength.
The inherent thermal resistance of these all-aromatic polymers hinders conventional processing methods, limiting their application.
Existing processing techniques, such as sintering, are energy-intensive and offer limited resolution and part fidelity.

Purpose of the Study:

To demonstrate the first successful 3D printing of PMDA-ODA using mask-projection stereolithography.
To achieve high-resolution 3D structures without compromising the intrinsic bulk material properties of PMDA-ODA.
To establish a scalable and effective method for fabricating complex PMDA-ODA components.

Main Methods:

Synthesis of a soluble precursor polymer incorporating photo-crosslinkable acrylate groups.
Utilizing mask-projection stereolithography for light-induced, chemical crosslinking in the gel state.
Employing postprinting thermal treatment to convert the crosslinked precursor into the final PMDA-ODA material.

Main Results:

Achieved unprecedented 3D printing of PMDA-ODA with high resolution and fidelity.
Demonstrated isotropic dimensional shrinkage and preservation of geometric integrity during postprocessing.
Validated the scalability of the 3D printing technique using large-area mask-projection scanning stereolithography.

Conclusions:

The developed mask-projection stereolithography method enables high-performance 3D printing of PMDA-ODA, overcoming previous processing barriers.
The resulting 3D structures maintain excellent bulk material properties, suitable for demanding applications.
This advancement opens new possibilities for utilizing PMDA-ODA in fields such as water filtration, gas separation, automotive, and aerospace engineering.