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Last Updated: Apr 25, 2025 | Study Period: 2024-2030
Polyester that has a partially crystalline structure is referred to as semi-crystalline polyester. A type of polymers known as polyesters is created when dicarboxylic acids and diols condense.
Due to their advantageous qualities, which include high strength, great dimensional stability, chemical resistance, and strong heat resistance, they are extensively employed in a variety of industries.
Amorphous and crystalline regions coexist in the molecular structure of semi-crystalline polyesters. While the polymer chains are randomly ordered in the amorphous sections, they are highly organised into a regular lattice-like structure in the crystalline parts. Semi-crystalline polyesters have unique physical properties as a result of this configuration.
Semi-crystalline polyesters' crystalline portions help explain why these materials are stiff, strong, and creep-resistant (deformation under a steady stress).
Additionally, crystalline areas have greater melting temperatures than amorphous polymers do. Semi-crystalline polyesters are suitable for applications that need mechanical strength, dimensional stability, and resilience to high temperatures because of these properties.
Polybutylene Terephthalate (PBT) and Polyethylene Terephthalate (PET) are frequent examples of semi-crystalline polyesters. While PBT is frequently used in automotive components, electrical connectors, and consumer goods, PET is widely employed in the production of bottles, fibres, and packaging materials.
Overall, these polyesters' semi-crystalline structure offers a combination of mechanical, thermal, and processability qualities, making them useful materials in a variety of sectors.
The Global Semi-crystalline Polyester market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Several cutting-edge new semi-crystalline materials will be introduced by DuPont Transportation & Industrial, a global business segment of DowDuPont Specialty Products Division, greatly expanding its 3D printing offering.
The seamless transition between various 3D printing scenarios made possible by these high-performance materials will give customers increased manufacturing agility while preserving constant characteristics. They will also create new possibilities for expanding and speeding up manufacturing while cutting expenses.
It has been discovered by Sangwoo Lee and his group at Rensselaer Polytechnic Institute's Department of Chemical and Biological Engineering that crystal structures aren't necessarily arranged in a predictable fashion.
The discovery advances the study of materials and has unexpected repercussions for technologically significant materials, including semiconductors, solar cells, and electric vehicles. One of the most common and important types of crystal structures is the honeycomb-like formations of regular spheres that are tightly packed together.
How nature selects a particular stacking of the layers is a crucial question in materials and physics study. The layers can be stacked in a variety of ways to generate close-packed structures.
The close-packing construction includes the random stacking of two-dimensional hexagonal layers (RHCP), a somewhat novel structure with randomly spaced parts. It was thought that this structure was in a transitional and unfavourable energy state when it was first observed in cobalt metal in 1942.
Lee's research team found that while soft model nanoparticles made of polymers provide useful information about RHCP, their scattering data is highly challenging to comprehend.
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