Macromol. Biosci. 3/2018

Wang, Zhen‐Hua; Chang, Yung Chun; Wu, Jin-Ming; Lin, Chung‐Yen; An, Hsiao‐Lung; Luo, Shyh‐Chyang; Tang, Tang K.; Su, Wei‐Fang

doi:10.1002/mabi.201870006

Cited by 3 publications

(3 citation statements)

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“…The areas with high phase angle are most likely H-rich, due to higher stiffness, while the lower phase angle region is most likely S-rich. [48] These AFM results are in excellent agreement with the SAXS results and support our choice of model.…”

Section: Morphological Analysis Of Polymer-polymer Vitrimerssupporting

confidence: 83%

Overcoming the Tradeoff Between Processability and Mechanical Performance of Elastomeric Vitrimers

Formon,

Storch,

Delplanque

et al. 2023

Adv Funct Materials

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Vitrimers are polymer networks with dynamic covalent bonds that allow the network to reconfigure its connectivity while maintaining a constant number of chemical bonds at all temperatures. The melt viscosity of vitrimers thus gradually decreases with temperature. This behavior makes vitrimers more difficult to process than typical thermoplastics using conventional processing techniques, such as extrusion. Although many strategies have been reported to address this issue, it remains challenging to overcome a key tradeoff between improving the processability or the mechanical performance. Herein, this work presents a new strategy for overcoming this tradeoff in the context of elastomeric vitrimers. The approach entails the cross‐linking of a functionalized low‐glass transition (Tg) polymer matrix with an incompatible high‐Tg polymer featuring pendant groups with complementary reactivity. When compared to a conventional homogeneous vitrimer, the microphase‐separated materials prepared by reactive extrusion present improved tensile properties and creep resistance at room temperature while also exhibiting enhanced processability at high temperature. These enhanced properties are a consequence of the combination of the phase separation between the soft and hard phases, the restriction of dynamic cross‐linking reactions within the interfacial zones, and the judicious selection of the Tg of the hard phase to be in between the use and processing temperatures.

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Section: Morphological Analysis Of Polymer-polymer Vitrimerssupporting

confidence: 83%

Overcoming the Tradeoff Between Processability and Mechanical Performance of Elastomeric Vitrimers

Formon,

Storch,

Delplanque

et al. 2023

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

“…S1, Table S1 †). Reflux precipitation polymerization (RPP) 61 was subsequently used to prepare the outer soft PHEMA shell of the SiO 2 @PDA@PHEMA nanoparticles to build strong interactions with the mediated molecule of HEMA. The characteristics of the obtained SiO 2 @PDA and SiO 2 @PDA@PHEMA nanoparticles are summarized in Table S1 and Fig.…”

Section: Resultsmentioning

confidence: 99%

3D printing of non-iridescent structural color inks for optical anti-counterfeiting

Guo,

Wang,

Guo

et al. 2023

Nanoscale

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“…12 Wang's group developed reflux-precipitation polymerization (RPP) method to fabricate monodisperse nanogels with the merits of surfactant/stabilizer-free, fast fabrication, and easy-tooperate. [13][14][15][16][17] Up to now, some hydrophilic monomers, such as acrylic acid (AA), 18 methacrylic acid (MAA), 14 N-isopropyl acrylamide (NIPAM), 19,20 2-hydroxyethyl methacrylate (HEMA), 18 or zwitterionic monomers [21][22][23][24] have been fabricated to construct nanogels via RPP in acetonitrile. Notably, it is still very necessary to expand the molecular diversity of functional monomers to adapt certain biomedical applications.…”

Section: Introductionmentioning

confidence: 99%

A versatile strategy to construct surface functionalized pH/redox dual stimuli‐responsive nanogels for targeted drug delivery

Wang,

Shi,

et al. 2023

J of Applied Polymer Sci

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Developing facile, green, and efficient synthetic methodology for preparing surface‐functionalized nanogels has attracted tremendous attention in the field of polymer chemistry and biomaterials engineering. Herein, a series of “clickable” P(MAA‐PMA) nanogels with reactive alkyne groups were conveniently prepared by “one‐pot” reflux‐precipitation polymerization (RPP), their particle sizes and zeta potentials are solid content‐dependent. Using P(MAA‐PMA)‐1 nanogels as the model, the physicochemical properties including particle size, surface potential, morphology, solution stability, and pH/redox responsiveness were characterized in detail. Moreover, the pH/redox dual‐responsive drug release feature/kinetics and parameters were analyzed using Korsmeyer–Peppas model and Gallagher–Corrigan model. Then the surface of nanogels was facilely modified with various thiol‐containing functional ligands via thiol‐yne photo click reaction. As targeted drug carriers, doxorubicin (DOX)‐loaded folic acid (FA)‐functionalized nanogels (FA@Nanogels/DOX) demonstrated higher tumor cell proliferation inhibition effect in B16F10 cancer cells than that in CHO‐K1 normal cells, while the non‐FA‐functionalized counterparts (Nanogels/DOX) do not show similar effect. This work provides a versatile “one‐pot RPP‐photo Click functionalization” strategy to construct surface‐functionalized pH/redox dual responsive nanogels for efficient and targeted drug delivery.

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Macromol. Biosci. 3/2018

Cited by 3 publications

References 0 publications

Overcoming the Tradeoff Between Processability and Mechanical Performance of Elastomeric Vitrimers

Overcoming the Tradeoff Between Processability and Mechanical Performance of Elastomeric Vitrimers

3D printing of non-iridescent structural color inks for optical anti-counterfeiting

A versatile strategy to construct surface functionalized pH/redox dual stimuli‐responsive nanogels for targeted drug delivery

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