Studies of caprolactam and cyclic oligomer content, molecular weight, and thermal properties during melt post-polycondensation of polycaprolactam in the film state

S Zhong, Y Guo, F Gao, Q Lin, Y Wang, W Chen, W Lu - Polymer, 2023 - Elsevier
In industrial application of polycaprolactam, the content of caprolactam monomer and
oligomers, as well as their average molecular weight are the key factors. In this work, a liquid …

Effect of addition of fillers (MoS2 and PFA) on the tribological and mechanical properties of biobased semi‐aromatic polyamide (PA10T)

R Zhu, Z Pu, L Zheng, P Zheng, F Wu, D Yu… - Polymer …, 2024 - Wiley Online Library
In an attempt to enhance the properties of biobased semi‐aromatic polyamide poly
(decamethylene terephthalamide) acid (PA10T), the effects of different proportions of fillers …

Temperature-Dependent Triple Crystal Polymorphism of Poly (hexamethylene terephthalate): Long-Range Ordered Mesophase Formation and Crystal Structure …

J Xia, L Ni, C Zeng, B Wang, R Zhang, C Sun… - …, 2024 - ACS Publications
Terephthalic polyesters are important engineering plastics and can crystallize into multiple
crystal phases, including the mesophase in processing. However, the formation process and …

Kinetics Comparison of Solid-State Polycondensation and Melt Postpolycondensation for Polyamide 6 with Controllable Extractive Content

S Chen, S Zhong, W Chen - Industrial & Engineering Chemistry …, 2024 - ACS Publications
This research delves into the kinetics of solid-state polycondensation (SSP) and melt
postpolycondensation (MPP) of polyamide 6, with a particular focus on managing …

Highly enhanced toughness and thermal oxygen aging resistance of PA 6 via novel designed macromolecular antioxidants

L He, J Lou, X Nie, M He, Q Fan, J Yang, Y Liu, S Qin… - Polymer, 2024 - Elsevier
Abstract Polyamide 6 (PA6) is widely utilized, yet it confronts challenges such as
susceptibility to thermal oxidative aging and high sensitivity to notch impact during usage. In …

A novel assessment method for the catalytic activity of ionic liquid degradation of PET

R Zhang, P Hao, X Cheng, RR Neiber, L Wang… - Journal of Molecular …, 2024 - Elsevier
Ionic liquids (ILs) have been recognized as environmentally friendly and effective catalysts
for poly (ethylene terephthalate)(PET) glycolysis. However, further investigation is required …

Crystallization kinetics of glass fiber filled poly (ether ether ketone) with nanogram sample size: Feasibility study for fast scanning calorimetry

X Zhang, JD Alexander, J Seo, AM Gohn, MJ Behary… - Thermochimica …, 2023 - Elsevier
The feasibility of using FSC for fiber-filled polymer composites is questionable since the
typical FSC sample thickness is comparable to the fiber diameter. In this study, X-ray …

Pseudo-Eutectic of Isodimorphism to Design Biaxially-Oriented Bio-Based PA56/512 with High Strength, Toughness and Barrier Performances

D Gan, Y Liu, T Hu, S Fan, L Cui, G Liao, Z Xie, X Zhu… - Polymers, 2024 - mdpi.com
The biaxially-oriented PA56/512 has excellent mechanical strength, extensibility and water–
oxygen barrier properties and has broad application prospects in green packaging, lithium …

Processing temperature-dependent nucleation and growth behaviors of polypropylene nucleated by a bisamide nucleating agent

X Sha, Y Shi, J Feng - Materials Today Communications, 2024 - Elsevier
It has been widely reported that the processing temperature significantly influenced the
effectiveness of a β-nucleating agent (β-NA) in polypropylene (PP) and thus leads to …

Polymer Crystallization Kinetics and Thermodynamics of Some Industrial Polyamides

MA Arshad - Journal of Macromolecular Science, Part B, 2024 - Taylor & Francis
A comprehensive non-isothermal kinetics study on polymer crystallization processes taking
place in a set of industrial polyamides comprising nylon 6, nylon 6, 6, nylon 11 and nylon 12 …