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The loss of these chemicals causes the plastic to revert to a brittle state, often shrinking or distorting in shape. The migrating chemicals may cause other nearby objects to deform or otherwise degrade. In addition, many plasticizers, such as phthalates or bisphenol A (BPA) may be toxic, hormone disruptors, or carcinogenic in their biological ...
Conservation treatments can take the form of adhering a lining to the canvas with wax-resin to the reverse side, replacing the painting's original stretcher, and varnishing the painting. In Jackson Pollock's Echo, solvents were used to remove a thin layer of the canvas to even out the work's coloring. [32]
The Canadian Conservation Institute lists ten agents of deterioration that play a role in damaging an object or work of art. [4] While all of these agents play a role in damaging a painting over its lifetime, five primary agents are involved in the degradation of an artwork's canvas and its pigment layers.
The use of a solvent to remove paint may result in removal of all of the paint layers (acrylic gesso, et cetera). Oils and warm, soapy water can remove acrylic paint from skin. Acrylic paint can be removed from nonporous plastic surfaces such as miniatures or models using cleaning products such as Dettol (containing chloroxylenol 4.8% v/w). [22]
Rabbit skin glue is an animal glue created by prolonged boiling of animal connective tissue. Rabbit skin glue can be bought in powder form, little pellets or in larger chunks. Preparation involves using the correct proportion of water to glue to achieve the correct consistency and strength. It should be heated to just short of the boiling point.
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Water is one of the agents of deterioration. Its effects can be seen in these flood-damaged library books. The 'ten agents of deterioration' are a conceptual framework developed by the Canadian Conservation Institute (CCI) used to categorise the major causes of change, loss or damage to cultural heritage objects (such as collections held by galleries, libraries, archives and museums). [1]
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