نتایج جستجو برای: adhesive polymer
تعداد نتایج: 115330 فیلتر نتایج به سال:
Robust adhesion to wet, salt-encrusted, corroded and slimy surfaces has been an essential adaptation in the life histories of sessile marine organisms for hundreds of millions of years, but it remains a major impasse for technology. Mussel adhesion has served as one of many model systems providing a fundamental understanding of what is required for attachment to wet surfaces. Most polymer engin...
Modified starch was prepared in this work by acid-thinning and oxidizing corn starch with ammonium persulfate. Also, starch-based aqueous polymer isocyanate (API) wood adhesive was prepared. The effect of the added amount of modified starch, styrene butadiene rubber (SBR), polymeric diphenylmethane diisocyanate (P-MDI), and the mass concentration of polyvinyl alcohol (PVOH) on the bonding stren...
Pressure-sensitive adhesives or PSAs are traditionally used on labels, including paper labels and clear labels, Figure 1, which are made from plastic film. Other important uses for PSAs include adhesive tapes and a wide range of graphical applications. One factor that all these applications have in common is a specific requirement relating to the end performance of the adhesive system, which is...
This study reports the manufacturing of silicon-on-polymer (SOP). It describes transfer a 200 mm diameter silicon thin film from silicon-on-insulator (SOI) substrate to flexible polymer. The thickness single-crystal was less than nm, and achieved by bonding SOI wafer temporary carrier with an adhesive Various parameters were investigated: adherence stack, temperature bonding, carrier, Si thickn...
Emulsion polymer isocyanate (EPI) adhesive is one of the most widely used structural adhesives in woodworking industry. However, there has been a lack knowledge on how EPI-adhesive interacts with chemical constituents wood, particular, wood extractives that are known to influence bonding quality. In this study, interactions water extracts and selected from European species were systematically i...
A proton exchange membrane has been developed for direct methanol fuel cell (DMFC). The nanofiber network composite membranes were prepared by interconnected network of Nafion (perfuorosulfonic acid) nanofibers that have been embedded in an uncharged and inert polymer matrix, by electro-spinning. The spinning solution of Nafion with a low concentration (1 wt% compared to Nafion) of high molecul...
Adopting the emerging technology of printed electronics in manufacturing novel ultrathin flat panel displays attracts both academic and industrial interests because of the challenge in the device physics and the potential of reducing production costs. Here we produce all-solution processed polymer light-emitting diode displays by solution-depositing the cathode and utilizing a multifunctional b...
This paper reports the successful characterisation of polymers from past conservation treatments using Raman spectroscopy with a fibre-optic probe. It has been demonstrated for the first time that this methodology is well suited to the in-situ examination of polymers used as adhesives and gapfillers for conservation of glass artefacts. By means of a Raman spectroscopic instrument with a fibre-o...
In nanoimprint lithography, a surface oxidation process is needed to produce an effective poly(dimethylsiloxane) coating that can be used as an anti-adhesive surface of template molds. However, the conventional photooxidation technique or acidic oxidative treatment cannot be easily applied to polymer molds with nanostructures since surface etching by UV radiation or strong acids significantly d...
Abstract The increasing concern for environmental and economic sustainability has resulted in a growing interest recycling the hybrid structures used modern industries. To address challenge of easy separation without damaging substrates, debondable‐adhesive incorporating shape memory polymer (SMP) filler is proposed. This study synthesizes seven types epoxy SMPs at different stoichiometric rati...
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