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Updated: May 8, 2026

Synthesis of Poly(N-isopropylacrylamide) Janus Microhydrogels for Anisotropic Thermo-responsiveness and Organophilic/Hydrophilic Loading Capability
09:09

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无形聚胺6,6的高机械性质的原子化建模

Karim Gadelrab1, Armin Kech2, Camilo Cruz2,3

  • 1Research and Technology Center, Robert Bosch LLC, Watertown, Massachusetts 02472, United States.

The journal of physical chemistry. B
|March 4, 2026
PubMed
概括

水通过改变其玻璃过渡温度 (Tg) 来显著影响聚胺6,6 (PA66) 的特性. 分子动力学模拟揭示了水聚类如何破坏键,影响PA666.

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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...
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Classification and Mechanical Properties of Synthetic Polymers

Synthetic polymers are classified as elastomers, fibers, or plastics based on their crystallinity. Crystallinity, the degree of long-range order in the solid state, influences the mechanical properties (stretching or contracting) of elastomers. Elastomers are flexible polymers that can expand or contract easily upon the application of an external force. They have numerous crosslinks that pull them back into their original shape when stress is removed. Silicones, for instance, are highly elastic...