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

Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
Polymer Classification: Architecture01:14

Polymer Classification: Architecture

Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
Step-Growth Polymerization: Overview01:03

Step-Growth Polymerization: Overview

Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...

You might also read

Related Articles

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

Sort by
Same author

Baroplastic Effect of Aliphatic Polyester Block Copolymers for Degradation-Free Multicycle Processing of Poly(l-lactide).

ACS macro letters·2025
Same author

Laser Patterning of Porous Support Membranes to Enhance the Effective Surface Area of Thin-Film Composite-Facilitated Transport Membranes for CO<sub>2</sub> Separation.

ACS applied materials & interfaces·2024
Same author

Critical role of lattice vacancies in pressure-induced phase transitions of baroplastic diblock copolymers.

Soft matter·2024
Same author

Deep-Sea-Inspired Chemistry: A Hitchhiker's Guide to the Bottom of the Ocean for Chemists.

Langmuir : the ACS journal of surfaces and colloids·2023
Same author

Why does 2-(2-aminoethylamino)ethanol have superior CO<sub>2</sub> separation performance to monoethanolamine? A computational study.

Physical chemistry chemical physics : PCCP·2022
Same author

Nanoconfinement and Chemical Structure Effects on Permeation Selectivity of Self-Assembling Graft Copolymers.

ACS macro letters·2022
Same journal

Customizing Ionic Micelles by Dynamic Coassembly of Sequence-Defined Peptoid Block Copolymers.

Macromolecules·2026
Same journal

Investigating Polyethylene Solubility for Solvent-Based Recycling: Experiments and SAFT‑γ Mie Predictions.

Macromolecules·2026
Same journal

Molecular Dynamics Simulations of the Structural and Thermodynamic Properties of Poly(<i>l</i>‑lactic acid) in the Presence of Water.

Macromolecules·2026
Same journal

From Solvent-Mediated Micellization to Packing in a Face-Centered Cubic Structure of Poloxamers.

Macromolecules·2026
Same journal

Nonlocal Effect of Percolated Particle Networks on Viscoelasticity of Polymer-Filler Nanocomposites: A Mesoscale Simulation Study.

Macromolecules·2026
Same journal

Helicity of a confined bottlebrush ring polymer.

Macromolecules·2026
See all related articles

Related Experiment Video

Updated: May 17, 2026

Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
12:07

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

Published on: April 16, 2018

Low-Temperature Processable Degradable Polyesters.

Ikuo Taniguchi1, Nathan G Lovell

  • 1Chemical Research Group, Research Institute of Innovative Technology for the Earth, 9-2 Kizugawadai, Kizugawa, Kyoto 619-0292, Japan.

Macromolecules
|October 18, 2012
PubMed
Summary
This summary is machine-generated.

Pressure enables low-temperature processing of aliphatic block copolyesters without degradation. Mechanical properties are tunable by composition, with PLLA fraction being key.

More Related Videos

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Published on: November 30, 2020

Microwave-assisted Functionalization of Poly(ethylene glycol) and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation
15:33

Microwave-assisted Functionalization of Poly(ethylene glycol) and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation

Published on: October 29, 2013

Related Experiment Videos

Last Updated: May 17, 2026

Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
12:07

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

Published on: April 16, 2018

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Published on: November 30, 2020

Microwave-assisted Functionalization of Poly(ethylene glycol) and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation
15:33

Microwave-assisted Functionalization of Poly(ethylene glycol) and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation

Published on: October 29, 2013

Area of Science:

  • Polymer Science
  • Materials Science

Background:

  • Block copolymers with varying glass transition temperatures (T(g)) offer tunable properties.
  • Processing these materials often requires high temperatures, risking degradation.

Purpose of the Study:

  • To investigate pressure-induced phase mixing and room-temperature processability of aliphatic block copolyesters.
  • To understand the mechanism of pressure-induced flow and its effect on material properties.

Main Methods:

  • Small-angle X-ray scattering (SAXS) to study pressure-induced phase mixing.
  • Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) to analyze phase transitions.
  • Tensile testing to evaluate mechanical properties.

Main Results:

  • Aliphatic block copolyesters (poly(ε-caprolactone) derivatives and poly(L-lactide)) processed at 34.5 MPa without degradation.
  • SAXS showed pressure-induced phase mixing by decreasing lamellar scattering.
  • Mechanical properties, including Young's modulus (comparable to polyethylene), were controlled by composition, particularly the PLLA fraction.

Conclusions:

  • Hydrostatic pressure is an effective method for low-temperature processing of specific block copolymers.
  • The PLLA fraction significantly dictates the mechanical performance of these pressure-processable copolyesters.