Results 31 to 40 of about 6,084 (271)

Bottom‐Up versus Top‐Down Strategies for Morphology Control in Polymer‐Based Biomedical Materials

open access: yesAdvanced NanoBiomed Research, 2022
The size and shape of polymer materials is becoming an increasingly important property in accessing new functions and applications of nano‐/microparticles in many scientific fields.
Alexander B. Cook, Tristan D. Clemons
doaj   +1 more source

Porous silica beads produced by nanofluid emulsion freezing

open access: yes, 2020
It is shown that porous spherical particles can be obtained via the freezing of silica nanoparticle aqueous suspensions emulsified in a continuous oil phase.
Antoni, Mickaël   +4 more
core   +3 more sources

Influence of Monomer Structure, Initiation, and Porosity on Mechanical and Morphological Characteristics of Thiol‐ene PolyHIPEs

open access: yesMacromolecular Materials and Engineering, 2023
Combining high internal phase emulsion templating with thiol‐ene click chemistry produces porous polymers with high yields and degradable ester linkages.
Stanko Kramer, Peter Krajnc, Irena Pulko
doaj   +1 more source

Tuning of Morphology and Surface Properties of Porous Silicones by Chemical Modification

open access: yesApplied Sciences, 2023
The behavior of materials against water is a key element in many practical applications. Silicones are hydrophobic by nature and can be chemically modified to become hydrophilic or highly hydrophobic, while combining intrinsic surface properties with ...
Carmen Racles, Ana-Lavinia Vasiliu
doaj   +1 more source

Synthesis of Emulsion-templated Porous Polycaprolactone [PDF]

open access: yesMATEC Web of Conferences, 2016
Emulsion-templated porous materials have gained extensively in applications due to their low density and high porosity. However, by far most this type porous polymers are synthesized using conventional radical polymerization and most of the reactions are thermally initiated.
Xiao Chenchen   +2 more
openaire   +2 more sources

High surface area, emulsion-templated carbon foams by activation of polyHIPEs derived from Pickering emulsions. [PDF]

open access: yes, 2016
Carbon foams displaying hierarchical porosity and excellent surface areas of >1400 m2/g can be produced by the activation of macroporous poly(divinylbenzene).
Bismarck, A   +3 more
core   +2 more sources

Emulsion Templating: Porous Polymers and Beyond [PDF]

open access: yesMacromolecules, 2019
Emulsion templating presently extends far beyond the original hydrophobic porous polymers that were synthesized within surfactant-stabilized water-in-oil high internal phase emulsions (HIPEs) by us...
Tao Zhang   +3 more
openaire   +1 more source

Tailoring the mechanical and thermal properties of dicyclopentadiene polyHIPEs with the use of a comonomer

open access: yeseXPRESS Polymer Letters, 2015
The effect of adding a comonomer to dicyclopentadiene in high internal phase emulsions (HIPEs) on the properties of ring-opening metathesis polymerisation (ROMP) derived polyHIPEs has been investigated.
E. H. Mert, C. Slugovc, P. Krajnc
doaj   +1 more source

Surfactant-free gelatin-stabilised biodegradable polymerised high internal phase emulsions with macroporous structures

open access: yesFrontiers in Chemistry, 2023
High internal phase emulsion (HIPE) templating is a well-established method for the generation of polymeric materials with high porosity (>74%) and degree of interconnectivity.
Rachel Furmidge   +15 more
doaj   +1 more source

Emulsion templating: Unexpected morphology of monodisperse macroporous polymers [PDF]

open access: yesJournal of Colloid and Interface Science, 2021
We synthesised monodisperse macroporous polymers via polymerisation of water-in-monomer droplet emulsions and obtained non-spherical pores with layered pore walls. We hypothesise that this morphology is caused by surfactant diffusion and phase separation during polymerisation.We varied the surfactant mass fraction of the emulsions and polymerised the ...
Lukas Koch   +2 more
openaire   +3 more sources

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