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Yu Shuhong, academician of the Chinese Academy of Sciences and professor of the School of Chemistry and Materials Science of the University of Science and Technology of China, and others have developed a process for arranging small particles in bio-based polymers by using pressure, which has realized the large-scale preparation of high-performance and sustainable materials with biomimetic structures.
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Related results were recently published online in "Nature-Communication".
? Petroleum-based plastics pose a challenge to the environment and human health, and it is currently difficult to find sustainable bio-based plastics with similar mechanical properties to replace them.
The addition of small filler particles with consistent orientation to the polymer can improve its mechanical properties, but the method of controlling the orientation of the particles in the polymer needs to be perfected.
? Under the effect of pressure, the researchers reduced the thickness of the bio-based polymer material and arranged the particles in rows.
The cellulose-based polymer fills the voids between the vertically arranged mineral particles, forming a microstructure comparable to a brick wall.
This structure makes the material have excellent mechanical properties, and its size has almost no change in the temperature range of -130°C to 150°C, which is better than many high-performance plastics.
At the same time, its storage modulus is also better than plastic.
Researchers have proved that the process can be expanded by manufacturing the mobile phone case, and the material is easy to process.
The researchers concluded that this method provides a way for the large-scale production of high-performance all-natural materials.
The development of this process may be of great significance to promote the industrial application of bio-based materials.
.
Related results were recently published online in "Nature-Communication".
? Petroleum-based plastics pose a challenge to the environment and human health, and it is currently difficult to find sustainable bio-based plastics with similar mechanical properties to replace them.
The addition of small filler particles with consistent orientation to the polymer can improve its mechanical properties, but the method of controlling the orientation of the particles in the polymer needs to be perfected.
? Under the effect of pressure, the researchers reduced the thickness of the bio-based polymer material and arranged the particles in rows.
The cellulose-based polymer fills the voids between the vertically arranged mineral particles, forming a microstructure comparable to a brick wall.
This structure makes the material have excellent mechanical properties, and its size has almost no change in the temperature range of -130°C to 150°C, which is better than many high-performance plastics.
At the same time, its storage modulus is also better than plastic.
Researchers have proved that the process can be expanded by manufacturing the mobile phone case, and the material is easy to process.
The researchers concluded that this method provides a way for the large-scale production of high-performance all-natural materials.
The development of this process may be of great significance to promote the industrial application of bio-based materials.
