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Thermal fractionation of polymers
Abstract Thermal fractionation techniques offer quick and practical ways to evaluate chain heretogeneities in semicrystalline thermoplastic materials by employing carefully designed thermal cycles inExpand
DSC isothermal polymer crystallization kinetics measurements and the use of the Avrami equation to fit the data: Guidelines to avoid common problems
In this paper we offer guidelines to adequately fit isothermal polymer crystallization kinetics data obtained by differential scanning calorimetry (DSC) employing the widely used Avrami equation. AExpand
Glass transition temperatures and water sorption isotherms of cassava starch
Abstract The effect of water content on the glass transition temperatures of cassava starch was determined by differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA).Expand
Crystallization Kinetics and Morphology of Biodegradable Double Crystalline PLLA-b-PCL Diblock Copolymers
The crystallization kinetics and morphology of biodegradable and double crystalline poly(l-lactide)-b-poly(e-caprolactone) diblock copolymers (PLLA-b-PCL) was studied in a wide composition range byExpand
Use of rheological compatibility criteria to study SBS modified asphalts
Polymer-modified asphalts (PMAs) were prepared using Bachaquero asphalt and styrene–butadiene–styrene (SBS) type copolymers. Their rheological behavior was compared to that of unmodified asphalt andExpand
Crystallisation and morphology of poly(p‐dioxanone)
The crystallisation and spherulitic morphology of poly(p-dioxanone) (PPDX), a thermoplastic polyester-ether used for medical applications have been studied. Polarised Optical Microscopy (PM) revealedExpand
Effect of the flow field on the rheological behavior of aqueous cetyltrimethylammonium p-toluenesulfonate solutions.
This work shows that a strong elongational flow field (opposed-jets flow), applied to the same solutions, does not lead to extension thickening because the extensional flow prevents or destroys micellar association. Expand
Moisture Sorption Characteristics of Starchy Products: Oat Flour and Rice Flour
Moisture sorption isotherms for oat flour and rice flour were determined at 5, 23, and 45 °C using a gravimetric technique in an aw range of 0.08–0.98. The results obtained showed that, for aw valuesExpand
Crystallization and morphology of biodegradable or biostable single and double crystalline block copolymers
Abstract Biodegradable block copolymers have been obtained as promising biomaterials because their hydrophilicity, mechanical and physical properties can be manipulated by combining differentExpand
The effect of the ionic strength on the rheological behavior of hydrophobically modified polyacrylamide aqueous solutions mixed with sodium dodecyl sulfate (SDS) or cetyltrimethylammonium
Abstract Two hydrophobically modified polyacrylamides (HMPAMs) with different molar contents of t -octylacrylamide as hydrophobic comonomer (1 and 1.5%molar) were synthesized by aqueous micellarExpand