Recent advances in post-stretching processing of polymer films with in situ synchrotron radiation X-ray scattering

Y Lin, W Chen, L Meng, D Wang, L Li - Soft Matter, 2020 - pubs.rsc.org
The stretch-induced structural evolution mechanism is a long-standing scientific question in
the post-stretching processing of polymer films. X-ray scattering, especially a combination of …

Polymorphic Transition of Pre-oriented Polybutene-1 under Tensile Deformation: In Situ FTIR Study

Z Zhang, X Chen, C Zhang, CT Liu, Z Wang… - Chinese Journal of …, 2020 - Springer
Deformation-induced phase transition of Form II to Form I in polybutene-1 (PB-1) has been
investigated by time-resolved Fourier transform infrared (FTIR) spectroscopy over a wide …

Rapid phase transition of polybutene-1 from form II to form I induced by pressure

X Li, P Chen, J Ding, K Zheng, L Chen, X Tian - Polymer, 2020 - Elsevier
Extremely slow phase transition from form II to form I has been the greatest bottleneck of
isotactic polybutene-1 preventing from its extensive applications. In the past decade …

Controlling the crystal structure of precisely spaced polyethylene-like polyphosphoesters

T Haider, O Suraeva, ML O'Duill, J Mars, M Mezger… - Polymer …, 2020 - pubs.rsc.org
Understanding polymer crystallization is important for polyethylene-like materials. A small
fraction of monomers with functional groups within the polyethylene chain can act as …

Polymorph selection during melt crystallization of the isotactic polybutene-1 homopolymer depending on the melt state and crystallization pressure

B Dong, X Yang, Y Ji, F Su, C Shao, C Liu - Soft Matter, 2020 - pubs.rsc.org
This work investigated the crystalline forms obtained from melt crystallization in the isotactic
polybutene-1 (iPB-1) homopolymer via manipulation of the temperature at which samples …

Influence of the coexistence of thin and thick lamellae on the transformation from crystalline form II to form I in isotactic polybutylene-1

YK Li, XX Zhang, ZY Sun - Polymer, 2020 - Elsevier
The coexistence of thin and thick lamellae of form II in isotactic polybutylene-1 (PB-1) was
obtained by isothermal crystallization at high temperature (100° C) and subsequent cooling …

Numerical calculation of free-energy barriers for entangled polymer nucleation

X Tang, F Tian, T Xu, L Li, A Reinhardt - The Journal of Chemical …, 2020 - pubs.aip.org
The crystallization of entangled polymers from their melt is investigated using computer
simulation with a coarse-grained model. Using hybrid Monte Carlo simulations enables us to …

Influence of lamellar thickness on the transformation of isotactic polybutylene-1/carbon nanotube nanocomposites

YK Li, YG Wang, CL Fu, YL Zhu, ZW Li, ZY Sun - CrystEngComm, 2020 - pubs.rsc.org
Probing the transformation from crystalline form II with 11/3 helical structure to form I with 3/1
helical structure in PB-1 and its nanocomposites is of great importance in both scientific …

Poly(l-lactic acid) Crystallization in Pressurized CO2: An In Situ Microscopic Study and a New Model for Secondary Nucleation in Supercritical CO2

L Zhang, G Zhao - The Journal of Physical Chemistry C, 2020 - ACS Publications
Due to its biocompatible and pollution-free features, CO2 has been utilized to tune polymer
crystallization, and the crystallization dynamics of the polymer in a CO2 environment has …

Novel mode of noncrystallographic branching in the initial stages of polymer fibril growth

T Shen, C Li, A Strachan - Physical Review Letters, 2020 - APS
Spherulites are the most ubiquitous of polycrystalline microstructure of polymers; they
develop under a wide range of conditions by the subsequent branching of crystalline lamella …