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The cleaning of a work of art often involves removing not only dirt and grime but also unwanted layers of varnish, gilding, and paint from the work's surface. The challenge for conservators lies in finding a cleaning agent that will act on one layer without affecting the layer being preserved and without leaving any harmful residues on the cleaned work. This book, which examines gel cleaning in the treatment of paintings and painted works of art, presents the methodologies, data, and results of a collaborative project of the Getty Conservation Institute and Winterthur Museum. Among the issues covered are the theory and application of gel cleaning systems, the detection of residues left on the surfaces of objects cleaned with these systems, research into solvent-gel and solvent residues, stability of surfactants during natural and artificial aging, and recommendations for formulating gels for specific cleaning tasks.
The papers in this publication will be talks at the 3 day Gels in Conservation conference held by IAP in association with Tate. The conference will be a gathering of conservators, conservation and other scientists, and students of conservation to present and discuss the theory and practical use of gels in various branches of conservation (paintings, paper, wall paintings, textiles, museum objects etc).The papers and posters present in this publication cover topics on the theory of Gels, recent developments in Gel technologies, clearance and residues, systematic evaluation of Gel properties and effects, preparation and practical issues with case studies concerning: wall paintings, easel paintings, contemporary art, textiles, archaeological objects, paper, sculpture, mixed media, traditional materials and more.
This book contributes significantly to the selection of appropriate and controllable cleaning methods for varnished and unvarnished paint surfaces. It is a distillation of many years' experience of formulating a cleaning treatment for any given object. The general principles of the chemistry and the practical applications are described. The methods are applicable to the surface cleaning of both traditional and modern paint media found on sculptures, ethnographic materials, paintings, gilded surfaces and furniture. Aqueous methods are certainly worth considering for those surfaces which cannot be cleaned safely by methods based on solvents.
Gels are ubiquitous both in materials science and biology. Interest in the behavior of this class of soft materials has increased significantly in the last decades as new experimental approaches have been developed to synthesize and characterize gels, and as theoretical and computational methods have advanced to model the structure and properties of these complex materials. For example, molecular simulation is now an essential tool to investigate gels and other types of soft matter where experimental measurements are not possible. The growth of this field to include applications in biology and medicine as also provided much impetus to gels research. The goal of this volume is to discuss recent progress in gel science. The chapters cover a wide variety of topics from polymer chemistry, physics, materials science and engineering, reflecting the interdisciplinary character of this field. A knowledge of the physical and chemical behavior of gels is essential for understanding, designing, and controlling material properties and performance. Gels can be synthesized with either flexible or stiff chains, linear or branched, and their length can also be tailored, etc. The network chains can be bonded to each other by chemical crosslinks or physical bonds involving van der Waals interactions, dipole-dipole interactions, hydrogen or ionic bonds, or pi-pi or pi-charge interactions. In addition to traditional polymer gels, this volume also focuses on low molecular mass organic gelators, relatively new, but rapidly growing, research direction in gel science. Special attention is devoted to the diverse applications of gels; using hydrogels for cleaning the painted surface of artwork (conservation of cultural heritage such as paintings and sculptures), developing advanced drug delivery systems, investigating the mechanism of setting of cement and hardening of concrete, etc.
"This volume will be of interest to teachers and students of conservation and art history, as well as to practicing conservators and museum curators, professionals in related disciplines, and others interested in art history and paintings conservation."--BOOK JACKET.
Understanding the chemistry behind works of art and heritage materials presents an opportunity to apply scientific techniques to their conservation and restoration. Manipulation of materials at the nanoscale affords greater accuracy and minimal disturbance to the original work, while efficiently combating the affects of time and environment. This book meets the growing demand for an all-encompassing handbook to instruct on the use of today's science on mankind's cultural heritage. The editors have pioneered modern techniques in art conservation over the last four decades, and have brought together expertise from across the globe. Each chapter presents the theoretical background to the topic in question, followed by practical information on its application and relevant case studies. Introductory chapters present the science behind the physical composition of art materials. Four chapters explore various cleaning techniques now, followed by four chapters describing the application of inorganic nanomaterials. Each chapter is fully referenced to the primary literature and offers suggestions for further reading. Professional conservators and scientists alike will find this essential reading, as will postgraduate students in the fields of materials and colloid science, art restoration and nanoscience.
The function of the painted wooden object ranges from the practical to the profound. These objects may perform utilitarian tasks, convey artistic whimsy, connote noble aspirations, and embody the highest spiritual expressions. This volume, illustrated in color throughout, presents the proceedings of a conference organized by the Wooden Artifacts Group of the American Institute for Conservation of Historic and Artistic Works (AIC) and held in November 1994 at the Colonial Williamsburg Foundation in Williamsburg, Virginia. The book includes 40 articles that explore the history and conservation of a wide range of painted wooden objects, from polychrome sculpture and altarpieces to carousel horses, tobacconist figures, Native American totems, Victorian garden furniture, French cabinets, architectural elements, and horse-drawn carriages. Contributors include Ian C. Bristow, an architect and historic-building consultant in London; Myriam Serck-Dewaide, head of the Sculpture Workshop, Institut Royal du Patrimoine Artistique, Brussels; and Frances Gruber Safford, associate curator of American decorative arts at the Metropolitan Museum of Art in New York. A broad range of professionals—including art historians, curators, scientists, and conservators—will be interested in this volume and in the multidisciplinary nature of its articles.
This volume highlights recent research efforts in the conservation and investigation of works of art on wood. Through eleven case studies it showcases different experimental methods ranging from X-ray analysis of objects to the study of cross-sections made from micro-samples. New research focusing on the technical study, treatment and assessment of works of art on wood in its many forms is featured in this edited volume. Technical studies include the attribution and investigations of a triptych by Hans Memling and a sculpture from workshop of Michel and Gregor Erhart, decorated Syrian rooms, and investigations of finely carved Gothic wooden objects. Synchrotron-based methods are presented for studying the alteration of 19th c. verdigris in Norway, and multi-analytical methods are employed for the investigations of 16th to 19th c. East Asian lacquer from the Kunsthistorisches Museum in Vienna. Novel methods for the cleaning of gilded surfaces using gels and emulsions are shown, as are innovative strategies for the consolidation for waterlogged wood, providing key data for the assessment of risks and benefits of new methods, and the short and long-term effects on gilding layers and archaeological wood. The book clearly shows how collaboration between engineers, physicists, biologists and chemists and conservators of different types of materials can lead to new research in conservation science. This book is crucial reading for conservators and conservation scientists, as well as for technical art historians, providing key methodological case studies of polychromy from different temporal and geographical contexts.
This book presents novel applications of nanotechnology for the preservation of artistic and historical artifacts. It explains the scientific principles behind numerous nanomaterials and discusses their applications to different types of common movable and fixed artistic substrates. It starts with an overview of the nano-tools developed over the last three decades, such as dispersions of nanoparticles, micellar solutions, microemulsions and gels. Compared to traditional methods, these new tools have the benefit of considerably less impact on both the operators and the environment. Each chapter is dedicated to a specific type of cultural heritage material (wall and easel paintings, stone, paper, canvas and wood) starting with the main degradation paths and discussing protocols for the application of innovative nanomaterials-based tools for cleaning, consolidation, or deacidification, which represent the majority of the case studies encountered in restoration facilities, workshops and ateliers. The book provides step-by-step descriptions that are meant to support conservators in the application of these novel materials and methods. The aim of the book is to equip end-users and conservators with essential information and knowledge on the availability and applicability of different nano-materials and dispersed systems. While the book’s focus is on the practical aspects, interested readers will also find references to the relevant advanced colloid and material science literature. Main audience: Expert conservators, restorers and technical staff at conservation institutes and museums, students at conservation and restoration schools, and scientists who are new to the field of conservation of artistic and historical artifacts.