Microcellular extrusion foaming of poly(lactide)/poly(butylene adipate-co-terephthalate) blends

Pilla, Srikanth; Kim, Seong G.; Auer, George K.; Gong, Shaoqin; Park, Chul

doi:10.1016/j.msec.2009.10.010

Cited by 72 publications

(53 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It could be seen that the T cc peak of the PLA and melting peak of PBAT partly overlapped. According to Shahlari, PBAT is a random copolyester and usually does not have a significant degree of crystallinity. Similar behavior was observed in other studies related to the PLA/PBAT blends .…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Polylactide/poly(butylene adipate‐co‐terephthalate)/rare earth complexes as biodegradable light conversion agricultural films

Wang

et al. 2018

Polymers for Advanced Techs

View full text Add to dashboard Cite

Rare earth europium(III) complex with α‐thenoyltrifluoroacetone and triphenylphosphine oxide (Eu (TTA)3(TPPO)2, shortened as EuTT) was synthesized in this paper, then blended with polylactide (PLA) and poly(butylene adipate‐co‐terephthalate) (PBAT) to prepare the biodegradable agricultural films. Through the optical performance, mechanical properties, and other research, the results showed that the rare earth complex could convert the sun's ultraviolet light to red light when doped polymer. Moreover, the relative intensity ratio of 5D0/7F2 to 5D0/7F1 of PLA/PBAT/EuTT film could reach 3.79, which implied that the film had strong fluorescence intensity and high color purity. The highest tensile strength of the film could reach 36.7/25.2 MPa, and the elongation at break was 462.8/483.0% in the machine and in the transverse direction when the added amount of Eu (TTA)3(TPPO)2 was 0.1 wt%. The tensile strength of the film was 33.3/20.1 MPa, and the elongation at break could reach 535.8/413.6% when the added amount of Eu (TTA)3(TPPO)2 was increased up to 0.3 wt%. Gel permeation chromatography showed that the Eu (TTA)3(TPPO)2 could cause depolymerization of polylactide, resulting in a decrease in the molecular weight of PLA. Furthermore, the crystallization ability of PLA was also improved. In this paper, the biodegradable films exhibited excellent ultraviolet light conversion ability and mechanical properties.

show abstract

Section: Resultsmentioning

confidence: 99%

“…According to Shahlari, 42 PBAT is a random copolyester and usually does not have a significant degree of crystallinity. Similar behavior was observed in other studies related to the PLA/PBAT blends.…”

Section: Crystallization Behaviorsmentioning

confidence: 99%

Polylactide/poly(butylene adipate‐co‐terephthalate)/rare earth complexes as biodegradable light conversion agricultural films

Wang

et al. 2018

Polymers for Advanced Techs

View full text Add to dashboard Cite

show abstract

“…A static mixer can be installed for enhancing both distributive and dispersive mixing and to improve the sorption and dissolution of the CO 2 in the polymer melt. Matuana et al [11,12] and Pilla et al [13,14] added a diffusion-enhancing device (static mixer Omega FMX8441S). Le Moigne et al [15] chose to add a static mixer composed of four elements (SMB-H 17/4, Sulzer, Switzerland).…”

Section: Experimental Devices and Modes Of Operationmentioning

confidence: 99%

“…The foaming of the PLA with another biodegradable polymer, the PBAT (poly(butylene adipate-co-terephtalate)), was also studied in the literature. Pilla et al [14] tested two different blends at 45/55 ratio: a commercially available compatibilized PLA/PBAT blend (Ecovio, BASF) and a non-compatibilized PLA/PBAT blend with the PLA 3001D and the PBAT Ecoflex. They added 0.5% talc as nucleating agent.…”

Section: Blending Of Pla With Other Biopolymersmentioning

confidence: 99%

Extrusion assisted by supercritical CO 2 : A review on its application to biopolymers

Chauvet

Sauceau

Fages

2017

The Journal of Supercritical Fluids

122

View full text Add to dashboard Cite

Extrusion assisted by supercritical CO 2 (sc-CO 2) is an emerging method for the microcellular foaming of polymer. Instead of batch foaming, which requires formation of single-phase polymer/CO 2 solution in long cycle times, the extrusion assisted by supercritical fluids overcomes this issue by providing rapid mixing and dissolution of CO 2 in the polymer melt. Because the sc-CO 2 is soluble in many molten polymers and acts as a removable plasticizer, its introduction in an extruder will permit a decrease of the processing temperature. This technic allows the use of fragile component like active molecule or starchy and proteinaceous materials. At the end of the extruder, the pressure drop will create instability and phase separation with the creation of porosity. This review is dedicated to the extrusion assisted by sc-CO 2 with different types of biopolymer. Industrial application domains include agro-food, biomedical, pharmaceutical, packaging and many others.

show abstract

“…Studies on PBAT/PLA/MMT nanocomposites , PBAT/starch/MMT nanocomposites and PBAT/PBS/MMT nanocomposites have been reported, showing an improvement on the thermo‐mechanical properties due to the addition of nano‐clays, but in case of PBAT/starch/MMT, the addition of PBAT affected negatively the reinforcing effect of the clays. Blends of a soft polyester like PBAT and a high‐stiffness polymer like PLA were used to achieve specific mechanical properties by making flexible materials with reduced stiffness .…”

Section: Introductionmentioning

confidence: 99%

Thermomechanical properties and rheological behavior of biodegradable composites

2013

View full text Add to dashboard Cite

The effect of type and content of fillers on the thermal, mechanical, and rheological behavior of the commercial biodegradable polyester product, Ecovio® (BASF) is analytically studied. Ecovio® is basically a blend of poly(butylene adipate‐terephthalate) (PBAT) copolyester (Ecoflex®, BASF) and polylactide (PLA). Two different types of fillers (nanosilica particles and micro‐sized wood‐flour), at various weight fractions were used for this purpose. The role of these fillers on the thermomechanical performance of Ecovio® was investigated in terms of several experimental techniques including scanning electron microscopy (SEM), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), creep, tensile testing, and single cantilever bending. The rheological behavior has been systematically analyzed, providing additional evidence about the dispersion quality and the interfacial effects between nanofillers and matrix. One of the findings of this work is that the presence of PBAT in the blend (PLA/PBAT) enhances the compatibility of the polymer matrix with both fillers and their dispersion quality. POLYM. COMPOS., 35:1140–1149, 2014. © 2013 Society of Plastics Engineers

show abstract

Microcellular extrusion foaming of poly(lactide)/poly(butylene adipate-co-terephthalate) blends

Cited by 72 publications

References 43 publications

Polylactide/poly(butylene adipate‐co‐terephthalate)/rare earth complexes as biodegradable light conversion agricultural films

Polylactide/poly(butylene adipate‐co‐terephthalate)/rare earth complexes as biodegradable light conversion agricultural films

Extrusion assisted by supercritical CO 2 : A review on its application to biopolymers

Thermomechanical properties and rheological behavior of biodegradable composites

Contact Info

Product

Resources

About