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Wykonanie podłoża z tworzywa porowatego dla przeniesionego malowidła ściennego

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Kostow-Benczew I.

Ochrona Zabytków

1972

issue 4

291-293

The subject of considerations by the author, a graduate from the Academy of Fine Arts, Cracow, consists in producing of a new support for the mural painting “Blessing of Tobias” removed from the vaulting of a chapel-mausoleum at Udanin, Sroda District. This painting removed with the use of “distacco” technique had to be placed on a negative mould imitating the shape of vaulting. The original support, as a result of its total decay, has been removed and in its place a mass was placed composed of the ground plaster, casein and polyvinyl acetate, the latter applied as the binder. As the further step was undertaken the preparation of a new support which the operation caused a lot of difficulties in view of the shape of painting (barrel-like bent Rococo cartouche) and its considerable size (2X1.5 m). The possibility was considered to apply the ready semi-products made of porous materials, however, they proved unsuitable to the purpose owing to difficulties with their fitting and fastening to the painting reverse. It has been decided then to apply an expanding and polymerizing resin in the form of hard or half-hard mass that could be placed directly on the painting reverse. A similar experiment has already been carried out at the Istituto Centrale del Restauro, Rome, however, with the use of very expensive and highly sophisticated apparatus and equipment. For preparing the support the foamed polyurethane in the form of resin manufactured by the “BAYER” Company, West Germany has been used. This resin together with cathalyst was mixed in small doses and then cast onto previously strengthened support. This operation required a certain amount of skill and speedy action as the time for mixing was limited to 8 sec. and the expanding reaction and polymerization occur immediately after mixing of components. As the final result a new support was obtained for the transferred painting, possessing nearly ideal properties as it is firm, stable, poorly heat transmitting, insoluble, resistant to weather conditions and biological effects, light in weight, readily transportable, easy in preparing, not expensive, elastic, and — if required — can be removed mechanically.

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1 Ochrona Zabytków

1 Kostow-Benczew I.

1 1972

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Wykonanie podłoża z tworzywa porowatego dla przeniesionego malowidła ściennego