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Archaeological Conservation Using Polymers : Practical Applications for Organic Artifact Stabilization - C. Wayne Smith

Archaeological Conservation Using Polymers

Practical Applications for Organic Artifact Stabilization

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Over the years, preservation methods have provided organic artifacts—especially water-logged materials—with a limited lifespan. Working with Dow Corning Corporation, Texas A&M's Archaeological Preservation Research Lab, and the Conservation Research Lab, Smith and his colleagues set out to develop a series of techniques that would yield successful and affordable treatment strategies for organic artifacts without sacrificing important information. Here, Smith provides step-by-step instructions for the conservation of small organic artifacts and then examines some of the mechanical techniques used to process various organic materials from marine and land sites.

Foreword / J.M. Klosowski -- Laboratory setup. Major instrumentation -- Small necessities in the laboratory -- Chemicals -- Baseline mechanisms. Dowel experiment -- Mass spectrographic analysis of out-gases created from the dehydration of archaeological wood samples -- Archaeological wood. The challenge of conserving waterlogged wood -- Degradation and shrinkage -- Waterlogged wood from saltwater environments -- Case study: Waterlogged wooden buttons with and without associated thread -- Dry-site artifacts : dry and desiccated wood -- Reprocessing and stabilization of PEG-treated wood -- Tongue depressor experiment -- Case study: Re-treatment of two PEG-treated sabots -- Re-treatment of PEG-treated waterlogged wood -- Case study: Treatment of waterlogged wood using hydrolyzable, multifunctional alkoxysilane polymers -- Leather preservation. Archaeological leather -- Cleaning -- Chemical cleaning -- Treatment of leather -- PEG/air-drying treatments -- Freeze-drying PEG-treated artifacts -- PEG and other polymers -- Passivation polymer processes -- Case study: A successful treatment strategy for a waterlogged shoe -- Passivation polymer treatment for dessicated leather -- An effective treatment for dry leather -- Suggestions for treating leather between sheets of glass -- Storage and display of leather artifacts -- Composite artifacts. Case study: Preservation of a composite artifact containing basketry and iron shot -- Cordage and textiles. New techniques for the preservation of waterlogged rope -- Silicone treatment strategies -- Frankfurter method of rope preservation -- Treating waterlogged rope in a nonpolar suspension medium -- Incorporating the use of nonpolar suspension mediums and elements of the Frankfurter method into "traditional" silicone treatment strategies -- Case study: La belle rope -- Case study: Preservation of waterlogged canvas from Port Royal -- Glass conservation. Devitrification -- Removal of sulfide stains from lead crystal -- Consolidating waterlogged glass using passivation polymers -- An effective silicone oil treatment strategy -- Reconstruction -- Case study: Preservation of seventeenth-century glass using polymers -- Case study: Preserving waterlogged glass and cork -- Ivory and bone. Basic structural differences -- Equipment setup for very fragile bone and ivory -- Case study: Consolidating friable bone -- Case study: Ivory from Tantura-B excavations in Israel -- Case study: Waterlogged tusks from western Australia -- Expanding the conservation tool kit. Computerized tomography and the stereolithographic process -- Case study: Scanning an encrusted artifact : CT scanning used as a diagnostic tool -- New tools : new directions in research.

ISBN: 9781603447003
ISBN-10: 1603447008
Format: PDF
Language: English
Number Of Pages: 144
Published: 8th January 2003
Edition Number: 1