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Reflektancija i opacitet otisnute podloge (CROSBI ID 498328)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Mikac Dadić, Višnja ; Džimbeg-Malčić, Vesna ; Modrić, Damir REFLECTANCE AND OPACITY OF THE PRINTED SUBSTRATES / Reflektancija i opacitet otisnute podloge // International Conference MATRIB 2004 : Proceedings / Grilec, Krešimir (ur.). Zagreb: Hrvatsko društvo za materijale i tribologiju (HDMT), 2004. str. 178-184-x

Podaci o odgovornosti

Mikac Dadić, Višnja ; Džimbeg-Malčić, Vesna ; Modrić, Damir

hrvatski

Reflektancija i opacitet otisnute podloge

In the print quality investigations one of the important optical characteristics is the reflectance and opacity of the printed substrate. In this paper the opacity of the recycled and offset substrates by TAPPI 519 has been measured. The method includes d/00 geometry, standard illuminant C and 20 standard observer. The reflectance of a pad, R∞ , for twenty samples, dimension 1cm × 1cm, and the reflectance, R0, of one paper over black background of the reflectance Rg with the reflectance not higher then 0.5% were recorded and were used to calculate opacity values. Measurements of reflectance were made using X-rite Spectrophotometer, Digital Swatchbook, in the interval of the wavelengths from 410nm to 700nm for every 10nm. These measurements were supported by Color Shop 2.0 software and results were calculated by MathCad 2000 and by Data Analysis and Technical Graphics Origin 6.0. The surfaces of the samples were measured in ten different points and statistics of standard deviation and relative error was applied. The reflectance, the opacity and their standard deviations of both substrates were compared. We discuss these differences caused by differences in the measured substrates.

opacitet; reflektancija; otisnute podloge; standarna devijacija

nije evidentirano

engleski

REFLECTANCE AND OPACITY OF THE PRINTED SUBSTRATES

In the print quality investigations one of the important optical characteristics is the reflectance and opacity of the printed substrate. In this paper the opacity of the recycled and offset substrates by TAPPI 519 has been measured. The method includes d/00 geometry, standard illuminant C and 20 standard observer. The reflectance of a pad, R∞ , for twenty samples, dimension 1cm × 1cm, and the reflectance, R0, of one paper over black background of the reflectance Rg with the reflectance not higher then 0.5% were recorded and were used to calculate opacity values. Measurements of reflectance were made using X-rite Spectrophotometer, Digital Swatchbook, in the interval of the wavelengths from 410nm to 700nm for every 10nm. These measurements were supported by Color Shop 2.0 software and results were calculated by MathCad 2000 and by Data Analysis and Technical Graphics Origin 6.0. The surfaces of the samples were measured in ten different points and statistics of standard deviation and relative error was applied. The reflectance, the opacity and their standard deviations of both substrates were compared. We discuss these differences caused by differences in the measured substrates.

opacity; reflectance; printed substrates; standard deviation

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o prilogu

178-184-x.

2004.

objavljeno

Podaci o matičnoj publikaciji

International Conference MATRIB 2004 : Proceedings

Grilec, Krešimir

Zagreb: Hrvatsko društvo za materijale i tribologiju (HDMT)

Podaci o skupu

9. savjetovanje o materijalima, tehnologijama, trenju i trošenju = 9. Conference on Materials, Processes, Friction and Wear MATRIB'04

predavanje

23.06.2004-25.06.2004

Vela Luka, Hrvatska

Povezanost rada

Grafička tehnologija