Stereocomplex crystallite network in asymmetric PLLA/PDLA blends: formation, structure, and confining effect on the crystallization rate of homocrystallites

XF Wei, RY Bao, ZQ Cao, W Yang, BH Xie… - …, 2014 - ACS Publications
Stereocomplex (SC) crystallites, formed between enantiomeric poly (l-lactide)(PLLA) and
poly (d-lactide)(PDLA), show a melting point 50° C higher than that of PLLA or PDLA …

Saturation of pointlike nuclei and the transition to oriented structures in flow-induced crystallization of isotactic polypropylene

JW Housmans, RJA Steenbakkers… - …, 2009 - ACS Publications
The influence of molecular weight and processing conditions on the crystallization kinetics of
isotactic polypropylene is studied using rheometry. Flow-induced crystallization experiments …

Rheological and foaming behavior of linear and branched polylactides

N Najafi, MC Heuzey, PJ Carreau, D Therriault… - Rheologica Acta, 2014 - Springer
In this work, a chain extender (CE) was added to polylactide (PLA) to improve its foamability.
The steady and transient rheological properties of neat PLA and CE-treated PLA revealed …

Superior performance of fully biobased poly (lactide) via stereocomplexation-induced phase separation: Structure versus property

P Ma, T Shen, P Xu, W Dong, PJ Lemstra… - ACS Sustainable …, 2015 - ACS Publications
Superior properties such as high strength, toughness and transparency of fully biobased
poly (lactide)(PLA) were achieved simultaneously without any external modifiers. The …

Effects of branching and crystallization on rheology of polycaprolactone supramolecular polymers with ureidopyrimidinone end groups

JL Wietor, DJM Van Beek, GW Peters, E Mendes… - …, 2011 - ACS Publications
The rheology of supramolecular polycaprolactone polymers with two ureidopyrimidinone
(UPy) end groups and unimer molecular weights between 600 and 4000 was compared with …

Polyurethane-based composites: Effects of antibacterial fillers on the physical-mechanical behavior of thermoplastic polyurethanes

M Villani, R Consonni, M Canetti, F Bertoglio, S Iervese… - Polymers, 2020 - mdpi.com
The challenge to manufacture medical devices with specific antibacterial functions, and the
growing demand for systems able to limit bacterial resistance growth, necessitates the …

Analysis of the isothermal structure development in waxy crude oils under quiescent conditions

JA Lopes-da-Silva, JAP Coutinho - Energy & Fuels, 2007 - ACS Publications
Isothermal crystallization and structure development was studied for three different waxy
crude oils. The transformation from sol to gel was followed by small-amplitude dynamic …

Flow-Induced Crystallization Starting from Self-Nucleated Precursors

R Zhao, Y Liu, Z Ma - Macromolecules, 2024 - ACS Publications
Flow-induced crystallization is a multistep process, in which precursors are often generated
as a crucial ordering state intermediate between the initial amorphous state and the ultimate …

Influence of PLA stereocomplex crystals and thermal treatment temperature on the rheology and crystallization behavior of asymmetric poly (L-Lactide)/poly (D-lactide) …

X Shi, Z Jing, G Zhang - Journal of Polymer Research, 2018 - Springer
Abstract Asymmetric poly (L-lactide)/poly (D-Lactide)(PLLA/PDLA) blends were prepared by
adding small amounts of PDLA into the PLLA matrix with the formation of stereocomplex …

Flow induced crystallization in isotactic polypropylene− 1, 3: 2, 4-bis (3, 4-dimethylbenzylidene) sorbitol blends: implications on morphology of shear and phase …

L Balzano, S Rastogi, GWM Peters - Macromolecules, 2008 - ACS Publications
Nucleation is the limiting stage in the kinetics of polymer crystallization. In many applications
of polymer processing, nucleation is enhanced with the addition of nucleating agents. 1, 3: 2 …