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The conservation and restoration of lacquerware prevents and mitigates deterioration or damage to objects made with lacquer. The two main types of lacquer are Asian, made with sap from the Urushi tree, and European, made with a variety of shellac and natural resins. Lacquer can be damaged by age, light, water, temperature, or damaged substrate.
Lustre print is a photograph or artwork with a finish between glossy and matte. Some companies use the term semi-glossy. Lustre photo prints are a hybrid of glossy ...
Avoid wax or other protective coatings as they can age over time resulting in yellowing or darkening of the ivory surface. It can also obscure surface details that may be important to the object. The protective coatings can become difficult or even impossible to remove without damage to the object. [9]
They seemed like the perfect replacement for the wax coatings previously used, but over time it became clear that this was not the case. Their presence drastically changed the paintings' surface properties, causing mechanical stresses and crystallisation of salts beneath the painting leading to accelerated disintegration.
Water damage may result in mold formations, a type of pest damage, on the canvas and pigment layers. It may also cause the canvas or framing supports to weaken and become flimsy resulting in tears from physical forces. [5] Ripples, waves, and undulations are also a common form of water damage.
All clear or translucent varnishes, and indeed all film-polymer coatings (e.g. paint, stain, epoxy, synthetic plastic, etc.) are susceptible to this damage in varying degrees. Pigments in paints and stains protect against UV damage. UV-absorbers are added to polyurethane and other varnishes (e.g. spar varnish) to work against UV damage but are ...
Lustre appears in Italian maiolica around 1500, and became a speciality of two relatively minor pottery towns, Gubbio, noted for a rich ruby-red, and Deruta. [2] Around 1550 an even smaller town, Gualdo Tadino , also began to make some, for about a century, [ 3 ] which was the last Renaissance lustre, Gubbio having stopped about 1570, and ...
Most coatings have four basic components. These are the resin, solvent, pigment and additive systems [5] but the resin or binder is the key ingredient. Continuing environmental legislation in many countries along with geopolitics such as oil production are ensuring that chemists are increasingly turning to waterborne technology for paint/coatings and since resins or binders are the most ...