[Analysis Case] Comparison of Crystallinity of Polyethylene (TD-NMR)
TD-NMR requires little to no pretreatment and can quantitatively evaluate the crystallinity and higher-order structural differences of polymer materials.
Pulse NMR (TD-NMR) applies high-frequency pulses to atomic nuclei (mainly 1H) in an external magnetic field and analyzes the resulting magnetization relaxation behavior to evaluate molecular mobility and higher-order structures. In polymer materials, by analyzing the spin-spin relaxation time (T2), it is possible to distinguish between crystalline and amorphous regions based on differences in molecular chain mobility, and it is widely used for comparative evaluation of crystallinity. This document introduces a case study comparing the crystallinity of polyethylene (PE).
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Kaneka Techno Research Co., Ltd. was established in 1988 with the corporate philosophy of becoming a trusted partner for our customers in the fields of "analytical services" and "technical information services." As a group of professionals with foresight and advanced analytical and research techniques, we aim to propose solutions to the challenges faced by our customers and to provide high-quality technical services quickly, thereby becoming a trusted problem-solving technical service company. We will continue to strive for improvement every day. We sincerely request your continued guidance and support.
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