Deterioration of oil painting study on canvas for finding preventive conservation methods : A case study of Uab Sanasen

Abstract

This thesis study is a work that resulted from the deterioration of an one oil painting on canvas by the artist Uab Sanasen which was stored inside a home in Chiang Mai Province, Thailand. The purpose of this research has three objectives: 1. To study factors that cause deterioration 2. To study of deterioration on the surface of paintings and materials that are components of paintings. 3. To study for finding the preventive conservation methods. The research have four processes as follows: 1. Selecting works of an oil painting from the collectors with correctly and officially, searching. 2. It was a survey of the environment area around the building. The temperature, relative humidity and light. 3. It was an condition assessment of every part of the workpiece which was divided into two sequences. The first one, inspection of the oil painting condition using the naked eye method found that there was a lot of dust on the surface causing the color to fade. The oil painting also had a small amount of paint and the wooden wire that held the canvas had reddish-brown rust. Secondly, inspecting for the type of canvas. Inspection of paint layers using the cross section method, the oil painting was examined under a light microscope. This method took a Leica microscope version DMC2900 Camera & SW kit to examine the condition of the paint on the painting surface and took red-brown samples which has been found on the surface to be examined with an electron microscope (SEM). Finally was an analyzing the results from every process and also synthesizing methods for preventive conservation. This includes the proper and appropriate storage of oil paintings on canvas, the modification of storage room materials, and the mixed storage of artworks by dividing them into designated zones.