Abstract
ABSTRACTSeveral poly(vinyl acetate) resins that continue to be important and useful in many areas of conservation are no longer available, namely, the AY series manufactured by the Union Carbide Corporation (AYAC, AYAA, AYAF, AYAT), and Mowilith 20 originally manufactured by the Hoechst Corporation. To identify potential substitutes, comparable resins were obtained from manufacturers and their properties were investigated and compared to the discontinued resins. Non-instrumental analysis was conducted to assess basic properties and measure relative viscosity. In addition, instrumental analysis was used to measure molecular weight, glass transition temperature, and chemical composition. The collected data were compiled and evaluated to determine potential substitutes for each of the discontinued resins.
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