Recent progress in flow‐induced polymer crystallization
C Nie, F Peng, R Cao, K Cui, J Sheng… - Journal of Polymer …, 2022 - Wiley Online Library
During industrial processing, such as film blowing and injection molding, semicrystalline
polymers have to be subjected to external flow. Flow changes the nucleation rate, crystal …
polymers have to be subjected to external flow. Flow changes the nucleation rate, crystal …
Direct evidence of interfacial crystallization preventing weld formation during fused filament fabrication of poly (ether ether ketone)
Poly (ether ether ketone)(PEEK) is a high-performance, semicrystalline thermoplastic that
has attracted significant interest for material extrusion additive manufacturing techniques …
has attracted significant interest for material extrusion additive manufacturing techniques …
Shear-induced nematic phase in entangled rod-like PEEK melts
One of the most intriguing properties of rod-like polymers is the ability to form a nematic
phase. Among a broad variety of external stimuli to promote the isotropic (I)-nematic (N) …
phase. Among a broad variety of external stimuli to promote the isotropic (I)-nematic (N) …
Dual Nakamura model for primary and secondary crystallization applied to nonisothermal crystallization of poly (ether ether ketone)
Non‐isothermal crystallization kinetics has been traditionally predicted using the Nakamura
crystal growth model, which is an integral form of the Avrami equation under the assumption …
crystal growth model, which is an integral form of the Avrami equation under the assumption …
Rapid melt crystallization of bisphenol-A polycarbonate jointly induced by pressure and flow
XX Zhang, SG Yang, GJ Zhong, J Lei, D Liu… - …, 2021 - ACS Publications
Bisphenol-A polycarbonate (PC) is an intrinsically crystallizable polymer. Its industrial parts,
however, invariably remain in an amorphous state due to its extremely slow crystallization …
however, invariably remain in an amorphous state due to its extremely slow crystallization …
Flow-induced crystallization of poly (ether ether ketone): Universal aspects of specific work revealed by corroborative rheology and x-ray scattering studies
When a semicrystalline polymer melt is processed in intense flow, the nucleation rate can be
accelerated and the resultant morphology is transformed to anisotropic structures. These …
accelerated and the resultant morphology is transformed to anisotropic structures. These …
Flow-Induced Crystallization Coupled with Strong Memory Effect: Revealing Melt Heterogeneity
R Zhao, Y Liu, X Liu, Y Gao, Z Ma - Macromolecules, 2024 - ACS Publications
Herein, the flow-induced crystallization coupled with an intrinsic strong memory effect was
investigated via in situ wide-angle X-ray diffraction. A poly (butene-1) random copolymer …
investigated via in situ wide-angle X-ray diffraction. A poly (butene-1) random copolymer …
Particle Concentration Promotes Flow-Induced Crystallization of High-Molecular-Weight Isotactic Polypropylene
Intervals of shear flow that stretch polymer chains form flow-induced precursors which
accelerate crystallization and transform the crystalline morphology from isotropic spherulites …
accelerate crystallization and transform the crystalline morphology from isotropic spherulites …
Role of Glass Fiber in the Flow-Induced Crystallization of Poly (ether ether ketone)
This study investigates the effects of specific work on flow-induced crystallization and
orientation in neat poly (ether ether ketone)(PEEK) and its glass fiber-reinforced composites …
orientation in neat poly (ether ether ketone)(PEEK) and its glass fiber-reinforced composites …
Shear-induced isotropic–nematic transition in poly (ether ether ketone) melts
In a previous work on a poly (ether ether ketone)(PEEK) melt, above its nominal melting
temperature (T m≅ 335° C), a severe Cox–Merz rule failure was observed. The abrupt …
temperature (T m≅ 335° C), a severe Cox–Merz rule failure was observed. The abrupt …