Polyester textile functionalisation through incorporation of pH/thermo-responsive microgels. Part I: Microgel preparation and characterisation

Glampedaki, P.; Krägel, J.; Petzold, Gudrun; Dutschk, Victoria; Miller, R.; Warmoeskerken, Marinus

doi:10.1016/j.colsurfa.2012.06.022

Cited by 21 publications

(13 citation statements)

References 50 publications

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“…: Poly(N-isopropylacrylamide-co-acrylic acid)/Chitosan polyelectrolyte complexes for fabrication of pH/thermo-responsible microgels intended for surface functionalization of textiles. Microgels were prepared to have their pH/thermo-responsiveness expressed within the physiological pH and temperature range (skin); taken from [97]; LCST is the lower critical solution temperature. …”

Section: Discussionmentioning

confidence: 99%

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Smart and green interfaces: From single bubbles/drops to industrial environmental and biomedical applications

Dutschk

Karapantsios

Liggieri

et al. 2014

Advances in Colloid and Interface Science

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Interfaces can be called Smart and Green (S&G) when tailored such that the required technologies can be implemented with high efficiency, adaptability and selectivity. At the same time they have also to be eco-friendly, i.e. products must be biodegradable, reusable or simply more durable. Bubble and drop interfaces are in many of these smart technologies the fundamental entities and help develop smart products of the everyday life.Significant improvements of these processes and products can be achieved by implementing and manipulating specific properties of these interfaces in a simple and smart way, in order to accomplish specific tasks. The severe environmental issues require in addition attributing ecofriendly features to these interfaces, by incorporating innovative , or, sometime, recycle materials and conceiving new production processes which minimize the use of natural resources and energy. Such concept can be extended to include important societal challenges related to support a sustainable development and a healthy population.The achievement of such ambitious targets requires the technology research to be supported by a robust development of theoretical and experimental tools, needed to understand in more details the behavior of complex interfaces. A wide but not exhaustive review of recent work concerned with green and smart interfaces is presented, addressing different scientific and technological fields. The presented approaches reveal a huge potential in relation to various technological fields, such as nanotechnologies, biotechnologies, medical diagnostics, new or improved materials.

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Section: Discussionmentioning

confidence: 99%

“…In recent studies [97,98] the properties of pH/thermo-responsive polyelectrolyte microgels were investigated with regard to a surface functionalization of textiles. Microgels were prepared to have their pH/thermo-responsiveness expressed within the physiological pH and temperature range.…”

Section: Microgels Hydrogels and Other Carrier Materialsmentioning

confidence: 99%

Smart and green interfaces: From single bubbles/drops to industrial environmental and biomedical applications

Dutschk

Karapantsios

Liggieri

et al. 2014

Advances in Colloid and Interface Science

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“…Microgels are three‐dimensionally cross‐linked polymer particles with sizes ranging from 0.1 to 100 μm, and which have many interesting applications such as drug and gene delivery, tissue engineering, biosensing, use in the oil industry, organic dye removal, coatings, textiles, and in the food industry . Microgels are typically either hydrophilic and dispersed in water or aqueous media, especially when used for biomedical applications, or they are hydrophobic and thus dispersed in organic solvents in which case they are referred to as latex particles and can be used to prepare materials such as hydrophobic films.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of tailorable pH responsive cationic amphiphilic microgels on a microfluidic device for drug release

Tarn

Pamme

et al. 2017

J. Polym. Sci. Part A: Polym. Chem.

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Cationic, amphiphilic microgels of differing compositions based on hydrophilic, pH, and thermoresponsive 2-(dimethylamino)ethyl methacrylate (DMAEMA) and hydrophobic, nonionic n-butyl acrylate (BuA) are synthesized using a lab-on-a-chip device. Hydrophobic oil-in-water (o/w) droplets are generated via a microfluidic platform, with the dispersed (droplet) phase containing the DMAEMA and BuA, alongside the hydrophobic cross-linker, ethylene glycol dimethacrylate, and a free radical initiator in an organic solvent. Finally, the hydrophobic droplets are photopolymerized via a UV light source as they traverse the microfluidic channel to produce the cationic amphiphilic microgels. This platform enables the rapid, automated, and in situ production of amphiphilic microgels, which do not match the core-shell structure of conventionally prepared microgels but are instead based on random amphiphilic copolymers of DMAEMA and BuA between the hydrophobic cross-links. The microgels are characterized in terms of their swelling and encapsulation abilities, which are found to be influenced by both the pH response and the hydrophobic content of the microgels.

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“…Stimulus‐responsive microgels have received increasing attention because of their potential applications in various fields, such as drug delivery , sensors , dynamically tunable microlenses , and as templates for inorganic nanoparticle synthesis . Both synthetic and natural polymers can be employed to prepare stimulus‐responsive microgels . Microgels made of natural polymers are more attractive for food and biomedical applications due to their excellent biodegradability and biocompatibility.…”

Section: Introductionmentioning

confidence: 99%

Rheological characterization of pH‐responsive carboxymethyl starch/β‐cyclodextrin microgels

et al. 2015

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Carboxymethyl starch (CMS)/b-cyclodextrin (b-CD) microgels with pH and ionic strength sensitivities have been synthesized by chemical crosslinking. The characterization of microgels was investigated by thermogravimetric analysis, zeta potential measurements, swelling, and rheological analyses. Thermogravimetric analysis data showed that the initial degradation temperature of microgels was higher than that of CMS, but lower than that of b-CD. The zeta potentials of microgels decreased with increasing weight ratio R b-CD/CMS and ionic strength, but increased with increasing pH. The swelling degree of microgels showed an abrupt increase in the pH range 3-6 due to the ionization of carboxylic groups, and then remained almost constant. However, it decreased with increasing ionic strength. Viscosity results revealed that all samples exhibited non-Newtonian shear-thinning behavior. All microgels exhibited dominant elastic behavior over the entire frequency range with polymer concentrations of 7%. These results suggested that the properties of microgels could be controlled by pH and ionic strength.

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Polyester textile functionalisation through incorporation of pH/thermo-responsive microgels. Part I: Microgel preparation and characterisation

Cited by 21 publications

References 50 publications

Smart and green interfaces: From single bubbles/drops to industrial environmental and biomedical applications

Smart and green interfaces: From single bubbles/drops to industrial environmental and biomedical applications

Fabrication of tailorable pH responsive cationic amphiphilic microgels on a microfluidic device for drug release

Rheological characterization of pH‐responsive carboxymethyl starch/β‐cyclodextrin microgels

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