Flow-induced crystallization of a Poly(Lactic acid): Effect of the application of low shear rates on the polymorphous crystallization

Polymer ◽  
2021 ◽  
pp. 123997
Author(s):  
Valentina Volpe ◽  
Fabiana Foglia ◽  
Roberto Pantani
Keyword(s):  
Lactic Acid ◽  
Poly Lactic Acid ◽  
Shear Rates ◽  
Acid Effect ◽  
Induced Crystallization ◽  
Flow Induced Crystallization ◽  
Low Shear

Effect of Gel and Nonrubber Constituents on the Extrusion Properties of Guayule Rubber

1983 ◽  
Vol 56 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Sergio A. Montes ◽  
M. A. Ponce-Vélez
Keyword(s):  
Experimental Study ◽  
Shear Rates ◽  
Paraffinic Oil ◽  
Induced Crystallization ◽  
Flow Induced Crystallization ◽  
Low Shear

Abstract An experimental study on the effect of gel and nonrubber constituents on the extrusion behavior of guayule rubber (GR) has been carried out. At 140°C, gel increases the viscosity at low shear rates. When GR is properly stabilized, no peptizing effect is imparted by the resin. However, the resin acts as a moderate plasticizer as compared to paraffinic oil. At 120°C, the effect of gel is noticeable at high extrusion rates, increasing the viscosity, suggesting an increase in the tendency for the occurrence of flow-induced crystallization.

Effect of branching on flow-induced crystallization of poly (lactic acid)

2019 ◽  
Vol 119 ◽  
pp. 410-420 ◽  
Author(s):  
Amirjalal Jalali ◽  
Michel A. Huneault ◽  
Mohammadreza Nofar ◽  
Patrik C. Lee ◽  
Chul B. Park
Keyword(s):  
Lactic Acid ◽  
Poly Lactic Acid ◽  
Induced Crystallization ◽  
Flow Induced Crystallization

Rheologically Determined Critical Shear Rates for Shear-Induced Nucleation Rate Enhancements of Poly(lactic acid)

2013 ◽  
Vol 1 (6) ◽  
pp. 663-672 ◽  
Author(s):  
Yong Zhong ◽  
Huagao Fang ◽  
Yaqiong Zhang ◽  
Zhongkai Wang ◽  
Jingjing Yang ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Nucleation Rate ◽  
Poly Lactic Acid ◽  
Shear Rates

Plasticization of poly(lactic acid) through blending with oligomers of lactic acid: Effect of the physical aging on properties

2015 ◽  
Vol 66 ◽  
pp. 533-542 ◽  
Author(s):  
Roberto Avolio ◽  
Rachele Castaldo ◽  
Gennaro Gentile ◽  
Veronica Ambrogi ◽  
Stefano Fiori ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Physical Aging ◽  
Poly Lactic Acid ◽  
Acid Effect
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