Reason for non compliance in P\psychiatric patients – a hospital based study

Chaudhary, Rupesh

doi:10.26226/morressier.5785edd2d462b80296c9a37f

Cited by 2 publications

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“…Depending on the origin, the amylose/amylopectin ratio varies and this has a direct influence on mechanical properties. [23][24][25] Furthermore, the degree of crystallinity of starch can vary in the 15-45% range as a consequence of the abovementioned ratio and may change in time due to retrogradation phenomena. 22 The plasticizer type and content can also influence the degree of crystallinity of starch in industrial TPS formulations.…”

Section: Introductionmentioning

confidence: 99%

Poly(lactic acid) formulations with improved toughness by physical blending with thermoplastic starch

Ferri

Garcia‐Garcia

Carbonell‐Verdu

et al. 2017

J of Applied Polymer Sci

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This work focuses on poly(lactic acid) (PLA) formulations with improved toughness by physical blending with thermoplastic maize starch (TPS) plasticized with aliphatic-aromatic copolyester up to 30 wt %. A noticeable increase in toughness is observed, due to the finely dispersed spherical TPS domains in the PLA matrix. It is worth to note the remarkable increase in the elongation at break that changes from 7% (neat PLA) up to 21.5% for PLA with 30 wt % TPS. The impact-absorbed energy is markedly improved from the relatively low values of neat PLA (1.6 J m 22 ) up to more than three times. Although TPS is less thermally stable than PLA due to its plasticizer content, in general, PLA/TPS blends offer good balanced thermal stability. The morphology reveals high immiscibility in PLA/TPS blends, with TPS-rich domains with an average size of 1 lm, finely dispersed which, in turn, is responsible for the improved toughness.

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Section: Introductionmentioning

confidence: 99%

Poly(lactic acid) formulations with improved toughness by physical blending with thermoplastic starch

Ferri

Garcia‐Garcia

Carbonell‐Verdu

et al. 2017

J of Applied Polymer Sci

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“…Depending on the ratio thereof as well as the source of the starch, it features different properties. [8][9][10] Native starch has been used mostly in powder form as a filler to reduce material costs, although often resulting in materials with limited properties. 11 To achieve better properties as well as compatibility with other polymers, starch can be processed to TPS by mechanical means with the addition of water, glycerol, or sorbitol among others as plasticizers.…”

Section: Introductionmentioning

confidence: 99%

Influence of processing on the mechanical properties and morphology of starch‐based blends for film applications

Lekube

Fahrngruber²,

Kozich³

et al. 2019

J of Applied Polymer Sci

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This article describes the effect of processing on the properties and morphology of thermoplastic starch (TPS) and poly(butylene adipate‐co‐terephthalate) (PBAT) blends and films with high starch content. Different process parameters were modified during compounding of blends and extrusion of blown films. Morphology was examined through scanning electron microscopy. Mechanical and optical characterization of films was carried out as well. Decreasing specific throughput during compounding led to an increase in strain at break of the blends from 66 to 497%. The tensile strength increased from 6 to 22 MPa as well. The highest elastic modulus and tear resistance were achieved at intermediate specific throughputs, whereas the maximum TPS particle size and the lowest color difference were obtained at high specific throughputs. A decrease of color difference from 6.4 to 2.2 was observed by reducing the temperature profile in 5 °C. In the case of blown film extrusion, increasing the temperature profile resulted in a reduction of color difference of the films from 7.9 to 4.2. In addition, tensile strength and strain at break slightly increased. Color difference decreased with decreasing screw speed as well. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47990.

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Reason for non compliance in P\psychiatric patients – a hospital based study

Cited by 2 publications

References 0 publications

Poly(lactic acid) formulations with improved toughness by physical blending with thermoplastic starch

Poly(lactic acid) formulations with improved toughness by physical blending with thermoplastic starch

Influence of processing on the mechanical properties and morphology of starch‐based blends for film applications

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