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Flexible Polyurethane (PUR) foams have been used since the 1950s in textiles and furniture upholsteries, and in art and design objects that can now be found in museum collections. Composed from 'short-life' consumer materials, these objects present severe conservation problems as they age. This book presents an in-depth examination of the challenges presented by PUR foams; the case studies of preservation of two works by the artist Piero Gilardi; and a manual on preparing and applying a light stabilizing system that can protect new PUR foams from degrading and restore the flexibility of old foams.

Art --- Foam. --- Polyurethanes. --- Conservation and restoration. --- Flexible Polyurethane, art, design, conservation.

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Les répliques de biens de consommation que les artistes zurichois Peter Fischli et David Weiss se sont mis à exécuter dès 1991 oscillent entre une superficialité, dont Fredric Jameson a fait un trait définitoire du postmodernisme, et un épaississement matériel propre aux choses. Ces images d’artefacts, dont on ne peut attendre aucun des services que rendent leurs modèles, nous ramènent pourtant constamment à la lente fréquentation d’objets dans l’usage quotidien qui informe notre vie. S’attachant à examiner la place qu’elles occupent dans l’histoire de l’art contemporain et à décrire notamment la relation qu’elles entretiennent avec les productions artistiques, littéraires, théoriques des années 1960, ce livre est aussi bien une réflexion sur le temps, tel que les œuvres le construisent.

Art --- Peter Fischli --- David Weiss --- superficialité --- chose --- Postmodernisme --- intérieur --- image --- valeur d’usage --- simulacre --- Surrogate --- polyuréthane --- Fredric Jameson --- Roland Barthes --- Guy Debord --- Jean Baudrillard --- Jean Bazin --- Paul Thek --- Robert Watts --- Gabriel Orozco --- Rachel Whiteread --- Heidi Bucher --- Peter Fischli David Weiss --- superficiality --- thing --- Postmodernism --- interior --- value of use --- simulacrum --- polyurethane --- Peter Fischli David Weiss --- Objet --- Choses --- Superficialité --- Image --- Intérieur --- Jean Baudrillard --- Guy Debord --- Fredric Jameson

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The utilization of bio-resourced macromolecules for polymer applications has been the subject of increasing interest, mainly for sustainability and functionality reasons. This Special Issue of Processes brings together nine papers from leading scientists and researchers active in the area of “Sustainable and Renewable Polymers, Processing, and Chemical Modifications”. The collected papers include seven original research and two review articles related to renewable feedstock for polymer applications, processes for the fabrication of renewable polymer-based nanomaterials, the design and modification of renewable polymers, and applications of renewable polymers. The journal Processes will continue to nurture progress in this field through its position as an open access platform.

ramie fabric --- nitroxide mediated polymerization --- polymerization --- chitosan --- n/a --- itaconate esters --- graft --- polysaccharide --- dust suppressant --- bio-filler --- recycled polyol --- specified risk materials --- glutaraldehyde --- lignin --- used printed circuit board --- pelletization --- soybean protein isolate modification --- functional materials --- viscoelasticity --- emulsion --- optimal concentration --- binder --- superhydrophobicity --- copolymerization --- Starch --- glycolysis --- analysis of dust suppression mechanism --- bioenergy --- rigid polyurethane foam --- modification --- hydroxymethylation --- rubber composite --- performance characterization --- torrefied wood --- wood pellets --- barrier properties --- antimicrobicity --- citric acid --- chemical recycling --- crosslinking --- heterogeneous crosslinking --- properties --- cellulose nanocrystals --- anionic polyamide-6

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Drawing --- sculpting --- Sculpture --- plastic [organic material] --- inkjet printing --- drawing [image-making] --- color [perceived attribute] --- ruimtelijke kunst --- polyurethane --- polystyrene --- Rogiers, Peter --- Beeldhouwkunst --- Catalogues d'expositions --- Tentoonstellingscatalogi --- #BIBC:ruil --- Peter Rogiers (° 1967, Antwerpen, B.) --- Beeldhouwkunst ; 1994-2000 ; Peter Rogiers --- Belgische kunstenaars --- Tentoonstellingscatalogi ; Middelheim ; Openluchtmuseum voor Beeldhouwkunst --- 73.07 --- 73.038(493) --- (069) --- [Marc Ruyters] --- kunst --- beeldhouwkunst --- twintigste eeuw --- België --- Rogiers Peter --- 73.071 ROGIERS --- Beeldhouwkunst ; beeldhouwers A - Z --- Beeldhouwkunst ; 1950 - 2000 ; België --- (Musea. Collecties) --- Rogiers, Peter (°1967, Antwerpen, België) --- Beeldhouwkunst ; 20ste eeuw ; 1994-2000 ; P.Rogiers --- moderne kunst --- plastic [material] --- SCULPTURE BELGE --- ROGIERS (PETER), 1967 --- -20E SIECLE --- EXPOSITIONS

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The combination of functional polymers with inorganic nanostructured compounds has become a major area of research and technological development owing to the remarkable properties and multifunctionalities deriving from their nano and hybrid structures. In this context, polyhedral oligomeric silsesquioxanes (POSSs) have increasing importance and a dominant position with respect to the reinforcement of polymeric materials. Although POSSs were first described in 1946 by Scott, these materials, however, have not immediately been successful if we consider that, starting from 1946 and up to 1995, we find in the literature 85 manuscripts regarding POSSs; which means that less than two papers per year were published over 50 years. Since 1995, we observe an exponential growth of scientific manuscripts concerning POSSs. It is changing from an annual average of 20 manuscripts for the period 1995–2000 to an annual average of about 400 manuscripts, with an increase of 2800%. The introduction of POSSs inorganic nanostructures into polymers gives rise to polymer nanostructured materials (PNMs) with interesting mechanical and physical properties, thus representing a radical alternative to the traditional filled polymers or polymer compositions.

graphene oxide --- n/a --- lithium ion battery --- liquefied --- polypropylene --- silsesquioxanes --- self-assembly behaviors --- nanocomposites --- Octavinyl-POSS --- polyimide --- thermal properties --- polyhedral oligomeric silsesquioxane-based ionic liquids --- aqueous self-assembly --- bi-functional POSS --- blends --- low refractive material --- cellular structure --- mechanism analysis --- morphology --- flame retardant --- hydrogels --- mercapto-modified --- damping --- POSS nanoparticles --- phthalonitrile polymers --- mechanical properties --- flame-retardant mechanism --- thiol-ene ‘click’ reaction --- POSS --- poly(?-caprolactone) --- siloxane-silsesquioxane resins --- polyhedral oligomeric silsesquioxane (POSS) --- surface properties --- fluoropolymer --- thiol–ene “click” reaction --- Monomethacryloxy POSS --- monodisperse --- thermogravimetry --- OLEDs --- fluorescent sensors --- double-decker-shaped silsesquioxane (DDSQ) --- dielectric constant --- composites --- organic-inorganic hybrids --- poly(?-caprolactone) nanocomposite --- POSS-based copolymer --- organic-inorganic crosslinking --- optoelectronics --- flame retardancy --- cone calorimeter tests --- lauryl methacrylate --- octa-ammonium POSS --- nitroaromatic explosives --- phthalonitrile-polyhedral oligomeric silsesquioxane copolymers --- cyanate ester --- thermoplastic polyurethane --- sodium alginate --- giant surfactant --- benzoxazine --- thermal stability --- temperature responsiveness --- polymerization kinetics --- mechanical performance --- Si@C anode --- ridgid polyurethane foams --- epoxy resin --- grafting synthesis --- direct synthesis --- filler --- bridged silsesquioxane --- hydrophobic modification --- dispersion --- polyhedral oligomeric silsesquioxanes --- anchor effect --- thiol-ene 'click' reaction --- thiol-ene "click" reaction