INVESTIGATION OF DEGRADATION PROCESSES IN PRIMER COATINGS.

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作者
Kunst, M. [1 ]
Esih, I. [1 ]
机构
[1] Faculty of Mechanical Engineering, & Naval Architecture, Zagreb,, Yugosl, Faculty of Mechanical Engineering & Naval Architecture, Zagreb, Yugosl
关键词
PROTECTIVE COATINGS - Plastics - STEEL - Painting;
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摘要
Degradation processes in oil-alkyd, alkyd and polyurethane paint coatings have been investigated. The coatings with active or inert pigments applied on steel were exposed to wet air containing SO//2 in a cabinet and to an urban atmosphere in an open space. Differences in behaviour have been established, but in general there are three periods during the exposure. In the first period the coating is stable, in the second period the degradation takes place, and in the third period the coating is broken down.
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