We show that ionically self-assembled polyelectrolyte/surfactant complexes allow a facile route to tailor the electrical surface resistance of paper sheets for antistatic dissipative regime. We use anionic polyelectrolyte carboxymethyl cellulose (CMC) where cationic alkyltrimethylammonium chloride surfactants (C(n)TAC) with the alkyl chain lengths n=12, 14 or 16 methyl units are ionically compl...

We designed and fabricated a terahertz (THz) frequency selective surface (FSS) based on two distinct additive manufacturing technologies, namely, printable electronics (PE) three-dimensional (3D) printing. Silver nanoparticle ink was printed polyethylene terephthalate (PET) substrate utilizing large-scale roll-to-roll industrial PE technique with flexographic unit, while the 3D-printed THz FSS ...

PLA films, as non-absorbent materials, require modification of the surface before printing process in order to improve wettability substrate and obtain proper ink adhesion substrate. In this paper, surfaces two kinds films were modified using plasma activation with parameters enabling high free energy (SFE) values, then printed on different flexographic inks. Two gases, oxygen argon, used for a...

Since their conception, organic electronic semiconductors have promised large area optoelectronic devices that can be mass produced at a fraction of the cost and embodied energy made from traditional semiconductors. However, upscaling small lab-scale fabrication techniques to roll-to-roll (R2R) production has proved substantial challenge. At heart this problem is need for low cost, reliable con...

Three-dimensional (3D) printing technology has revolutionized tissue engineering field because of its excellent potential of accurately positioning cell-laden constructs. One of the main challenges in the formation of functional engineered tissues is the lack of an efficient and extensive network of microvessels to support cell viability. By printing vascular cells and appropriate biomaterials,...

As long as non-contact digital printing remains an uncommon standard in the corrugated packaging industry, board crushing a real issue that affects load capacity of boxes. Crushing mainly occurs during converting (e.g., analog flexographic or laminating) and is process cannot be avoided. However, this study shows, it can controlled. In work, extended laboratory tests were carried out on double-...

Exploring processes for industrial large-scale manufacture of low-cost electronic devices is timely the upcoming era Internet Things. In this study, a roll-to-roll process using selective metallisation (a combination flexographic printing an oil liquid-mask and physical vapour deposition: sputtering evaporation) explored flexible electronics, with wearable thermoelectric generator as exemplar d...