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Resistance to ageing of selected books of children’s literature

Gajadhur M., Podsiadło H., Abramczyk S.

Challenges of Modern Technology

2011

Vol. 2, no. 2

35--37

Resistance to ageing was studied for a number of selected items of children’s literature. Print rub-off tests were performed for 3 bases used in printing of children’s books, namely plastic sheets, white uncoated (off set) paper, and varnished prints. Three children’s books used in the experimental works were: a “bathing book” printed by flexographic technique on plastic sheets, a book printed on uncoated white paper, and a book printed on double-sided varnish-coated cardboard. Rub-off resistance tests were performed on Ink Rub Tester under identical rub rate (85 cycles/min). The resistance was evaluated by spectrophotometric and densitometric method and by visual observations. About 6000 rub-off cycles were performed for each of the books tested.