Articles with "poly lactide" as a keyword



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Regulation of the mechanical properties and heat resistance of the poly( l -lactide- co -trimethylene carbonate) copolymer by the incorporation of a stereocomplex crystal and graphene oxide

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45248

Abstract: Stereocomplex crystals of polylactide and graphene oxide (GO) were simultaneously used to regulate the mechanical properties and heat resistance of a poly(l-lactide-co-trimethylene carbonate) [P(LLA-co-TMC)] copolymer. The crystallization behaviors in the nonisothermal cold-crystallization process of P(LLA-co-TMC)–poly(d-lactide)… read more here.

Keywords: heat resistance; properties heat; poly lactide; crystallization ... See more keywords
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Fully bio‐based poly(ɛ‐capolactone)/poly(lactide) alternating multiblock supramolecular polymers: Synthesis, crystallization behavior, and properties

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45575

Abstract: Supramolecular poly(ɛ-capolactone)/poly(lactide) alternating multiblock copolymers were prepared by UPy-functionalized poly(lactide)-b-poly(ɛ-capolactone)-b-poly(lactide) copolymers. The prepared supramolecular polymers (SMPs) exhibit the characteristic properties of thermoplastic elastomers. The stereo multiblock SMPs (sc-SMPs) were formed by blending UPy-functionalized poly(l-lactide)-b-PCL-b-poly(l-lactide) (l-SMPs)… read more here.

Keywords: capolactone poly; poly lactide; crystallization; poly ... See more keywords
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Diabetes and everolimus eluting bioresorbable poly‐L‐lactide vascular scaffolds for coronary artery disease: Dead‐end or some path forward?

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Published in 2021 at "Catheterization and Cardiovascular Interventions"

DOI: 10.1002/ccd.29900

Abstract: • Bioresorbable vascular scaffolds (BVS) intend to overcome long-term limitations of permanent metallic coronary stent implants, particularly in the proinflammatory, prothrombotic diabetic milieu. • The Amsterdam Investigator-Initiated Absorb Strategy All-Comers (AIDA) trial demonstrates worse 3year… read more here.

Keywords: diabetes everolimus; poly lactide; everolimus eluting; eluting bioresorbable ... See more keywords
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Poly(DL-Lactide-co-ε-Caprolactone)/Poly(Acrylic Acid) Composite Implant for Controlled Delivery of Cationic Drugs.

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Published in 2019 at "Macromolecular bioscience"

DOI: 10.1002/mabi.201800322

Abstract: Poly(DL-lactide-co-ε-caprolactone)/poly(acrylic acid) implantable composite reservoirs for cationic drugs are synthesized by sequentially applying photoirradiation and liquid phase inversion. The chemical composition and microstructure of reservoirs are characterized with Fourier transform infrared spectroscopy-attenuated total reflection (FTIR-ATR)… read more here.

Keywords: poly lactide; poly acrylic; acrylic acid; lactide caprolactone ... See more keywords
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Matching Static and Dynamic Compliance of Small-Diameter Arteries, with Poly(lactide-co-caprolactone) Copolymers: In Vitro and In Vivo Studies.

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Published in 2020 at "Macromolecular bioscience"

DOI: 10.1002/mabi.201900234

Abstract: Mechanical mismatch between vascular grafts and blood vessels is a major cause of smaller diameter vascular graft failure. To minimize this mismatch, several poly-l-lactide-co-ε-caprolactone (PLC) copolymers are evaluated as candidate materials to fabricate a small… read more here.

Keywords: small diameter; poly lactide; lactide caprolactone; static dynamic ... See more keywords
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Enhancement of T g of Poly( l ‐lactide) by Incorporation of Biobased Mandelic‐Acid‐Derived Phenyl Groups by Polymerization and Polymer Blending

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Published in 2019 at "Macromolecular Chemistry and Physics"

DOI: 10.1002/macp.201900392

Abstract: A high-molecular-weight polyester of poly(mandelate-co-lactate) (PML) is prepared by ring-opening polymerization of stereo-configuration controlled cyclic diester monomers of methyl-6-phenyl-1,4-dioxane-2,5-dione (MPDD) and lactide. The attained PML shows excellent glassy properties, although the original stereo-configuration of MPDD… read more here.

Keywords: polymerization; poly lactide; phenyl groups; pml ... See more keywords
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Overcome the Conflict between Strength and Toughness in Poly(lactide) Nanocomposites through Tailoring Matrix-Filler Interface.

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Published in 2019 at "Macromolecular rapid communications"

DOI: 10.1002/marc.201800047

Abstract: Strength and toughness are the two most important prerequisites for structural applications. Unfortunately, these two properties are often in conflict in materials. Here, an effective and yet practical strategy is proposed to simultaneously strengthen and… read more here.

Keywords: strength; poly lactide; strength toughness; plla ... See more keywords
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Chemical Recycling of End‐of‐Life Poly(lactide) via Zinc‐Catalyzed Depolymerization and Polymerization

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Published in 2020 at "ChemistryOpen"

DOI: 10.1002/open.202000243

Abstract: Abstract The chemical recycling of poly(lactide) was investigated based on depolymerization and polymerization processes. Using methanol as depolymerization reagent and zinc salts as catalyst, poly(lactide) was depolymerized to methyl lactate applying microwave heating. An excellent… read more here.

Keywords: zinc; poly lactide; depolymerization polymerization; chemical recycling ... See more keywords
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Influence of graphene nanosheets on stereocomplex crystallization behaviors of star‐shaped poly (D(L)‐lactide) stereoblock copolymer

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Published in 2018 at "Polymers for Advanced Technologies"

DOI: 10.1002/pat.4173

Abstract: The nanocompsites of star-shaped poly(D-lactide)-co-poly(L-lactide) stereoblock copolymers (s-PDLA-PLLA) with two-dimensional graphene nanosheets (GNSs) were prepared by solution mixing method. Crystallization behaviors were investigated using differential scanning calorimetry, polarized optical microscopy, and wide angle X-ray diffraction.… read more here.

Keywords: microscopy; poly lactide; crystallization; crystallization behaviors ... See more keywords
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Melt compounding and characterization of poly(lactide) stereocomplex/natural rubber composites

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Published in 2018 at "Polymer Engineering and Science"

DOI: 10.1002/pen.24603

Abstract: Poly(lactide) (PLA) is an interesting biodegradable polymer but has limited application because of its brittleness and low thermal stability. We found that both drawbacks of PLA were solved by forming stereocomplexes augmented with natural rubber… read more here.

Keywords: natural rubber; pla; poly lactide; rubber ... See more keywords
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Filler-Enhanced Piezoelectricity of Poly-L-Lactide and Its Use as a Functional Ultrasound-Activated Biomaterial.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202301981

Abstract: Poly-L-lactide (PLLA) offers a unique possibility for processing into biocompatible, biodegradable, and implantable piezoelectric structures. With such properties, PLLA has potential to be used as an advanced tool for mimicking biophysical processes that naturally occur… read more here.

Keywords: plla; piezoelectricity; ultrasound; filler ... See more keywords