Eastern-European Journal of Enterprise Technologies ISSN-L 1729-3774; E-ISSN 1729-4061
1/1 ( 133 ) 2025
čÿċĘĒćĒĎĄĂăďăčĂăčāăĒđăĕăÿċĒēĆÿēēĆăćČďđćčēĎĄĄċăėĎܼ ąđÿďĆćā ďđćčēćčą ćĒ đćāĆăđ āĎČďÿđăĂ ēĎ Ăćąćēÿċ ďđćčēćčą ܥ Ćă ĎďēćāÿċĂăčĒćēĘĎčÿĄċăėĎąđÿďĆćāďđćčēćČďđćčēćĒ އވ ࠘ ĆćąĆăđ ēĆÿčĎčÿĂćąćēÿċďđćčēćČďđćčē ܥ ĆćĒćĒăĒďăāćÿċċĘčĎēćāăÿĀċăÿē ކކއ ďăđāăčēĒÿēĔđÿēćĎčĄĎđÿċċ āĎċĎđĒ ܥ ĆĔĒ ܡ ćēĆÿĒĀăăč āĎčĄćđČăĂēĆÿēĄċăėĎąđÿďĆćāďđćčēćčąćčāđăÿĒăĒēĆăĀđćąĆēčăĒĒ ĎĄēĆăćČÿąăĎčēĆăćČďđćčē ܥ
The concordance coefficient W varies in the range from 0 to 1 – 0 ≤ W ≤ ܤއ ĖĆăč W = ކ ēĆăđăćĒāĎČďċăēăćčāĎčĒćĒēăčāĘ ܡ when W = އ ݁ āĎČďċăēăĔčćēĘĎĄăėďăđēĎďćčćĎčĒ ܥ Ą W < ܡފܥކ ݁ވܥކ ćē ČăÿčĒ ĖăÿĊ ÿąđăăČăčē ĎĄ ăėďăđēĒ ܢ ćĄ W > ܡގܥކ ݁ތܥކ ēĆăč ÿąđăăČăčē ĎĄ ăėďăđēĒ ćĒ ĒēđĎčą ܥ W = ތܥކ ćčĂćāÿēăĒ ÿ ČĎĂăđÿēă ĂăąđăăĎĄāĎčĒćĒēăčāĘĎĄăėďăđēĒ݆ ĎďćčćĎčĒܲ ܥ ăÿĊ ÿąđăăČăčē ćĒ ĔĒĔÿċċĘ ēĆă đăĒĔċē ĎĄ ēĆă ĄĎċċĎĖćčą đăÿĒĎčĒ ܤ ēĆăđăćĒčĎāĎČČĎčÿċćēĘĎĄĎďćčćĎčćčēĆăāĎčĒćĂăđăĂ ąđĎĔď ĎĄ ăėďăđēĒ ܢ ĖćēĆćč ēĆă ąđĎĔď ēĆăđă ÿđă āĎÿċćēćĎčĒ ĖćēĆ ĆćąĆāĎčĒăčĒĔĒĎĄĎďćčćĎč ܡ ĆĎĖăĕăđ ܡ ēĆăąăčăđÿċćęăĂĎďćčćĎčĒ ĎĄēĆăāĎÿċćēćĎčĒÿđăĎďďĎĒćēă ܥ Ď ĂăēăđČćčă ēĆă āĎčāĎđĂÿčāă āĎ㥥ćāćăčē ܡ ēĆă ĎďćčćĎčĒ ĎĄ އއ ăėďăđēĒ Ėăđă ēÿĊăč ćčēĎ ÿāāĎĔčē đăąÿđĂćčą ēĆă ďđćĎܼ đćēĘĎĄ ޏ ćČďĎđēÿčē ĄÿāēĎđĒ ēĆÿē ÿĄĄăāē ēĆă ĐĔÿċćēĘ ĎĄ ďđćčēăĂ ćČÿąăĒܳ ܥ ܴލއ ĎđēĆăđăċćÿĀćċćēĘĎĄĎĔđđăĒĔċēĒĎĄăėďăđćČăčēÿċĒēĔĂćăĒ ܡ ދ ݁މ ďÿđÿċċăċ ČăÿĒĔđăČăčēĒ Ėăđă āÿđđćăĂ ĎĔē ܥ ēÿēćĒēćāÿċ ďđĎ - cessing of the research results was carried out using statis- ēćāÿċČăēĆĎĂĒćČďċăČăčēăĂćčēĆă ĕ ކއܥ ĒĎĄē - ĖÿđăďÿāĊÿąă ܥ 5. Results of studies on the quality of decoration of sanitary-hygienic products by the method of flexographic and digital printing 5. 1. Study of densitometric and colorimetric indica- tors of imprints ÿĒăĂĎčēĆăđăĒĔċēĒĎĄĎĔđđăĒăÿđāĆĎčĄċăėĎąđÿďĆćāďđćčē ćČďđăĒĒćĎčĒ ܡ ēĆă ĂăďăčĂăčāă ďċĎēĒ ĎĄ ēĆă Ďďēćāÿċ ĂăčĒćēĘ ćč - ĂćāÿēĎđĒĎĄďđćčēăĂĄĔċċܼ āĎċĎđćČÿąăĒĎčāĎċĎđĒÿēĔđÿēćĎčĖăđă āĎčĒēđĔāēăĂܱ ćą ܥ ܥ ܲދ Ćă ČĎđă ĒÿēĔđÿēăĂ ēĆă āĎċĎđ ܡ ēĆă ČĎđă ćčĊćĒāĎčēÿćčăĂĎčēĆăĒĔđĄÿāăĎĄēĆăďđćčē ܥ ĆćĒċăÿĂĒēĎÿčćč - āđăÿĒăćčēĆăĎďēćāÿċĂăčĒćēĘĎĄēĆăďđćčēăĂćČÿąă ܥ ĆĔĒ ܡ ĒÿēĔܼ đÿēăĂāĎċĎđĒÿđăČĎđăĕćĕćĂĎčēĆăďđćčēćčąďđćčē ܥ čēĆăđÿčąă ĄđĎČ ކދ ēĎ ކކއ ࠘ ܡ ēĆă Ďďēćāÿċ ĂăčĒćēĘ ĎĄ ēĆă ďđćčēăĂ ćČÿąă ÿċČĎĒēĂĎĔĀċăĒĄĎđÿċċ āĎċĎđĒ ܥ čďÿđēćāĔċÿđ ܡ ĄĎđ ĀċÿāĊ ćčĊ ܡ ēĆăĎďēćāÿċĂăčĒćēĘćčēĆăćčĂćāÿēăĂđÿčąăćčāđăÿĒăĒĄđĎČ ވދܥކ ēĎ ތވܥއ đăċÿēćĕăĔčćēĒ ܡ ĄĎđ ćčĊ ݁ ĄđĎČ ވފܥކ ēĎ ޏܥކ đăċÿܼ ēćĕă ĔčćēĒ ܡ ĄĎđ ćčĊ ݁ ĄđĎČ ގފܥކ ēĎ ގކܥއ đăċÿēćĕăĔčćēĒ ܡ ĄĎđ ćčĊ݁ ĄđĎČ ފܥކ ēĎ ކܥއ đăċÿēćĕăĔčćēĒ ܥ
1 5
1
0 5
0
5 10 20 30 40 50 60 70 80 90 100 Saturation, % C M Y K Fig. 6. Optical density diagrams of a full-color digital imprint čÿċĘĒćĒĎĄĂăčĒćēĎČăēđćāĒēĔĂćăĒāĎčĄćđČăĂēĆÿēēĆăĎďēć - āÿċĂăčĒćēĘĎĄēĆăďđćčēćčąćČďđćčēāĆÿčąăĒĂăďăčĂćčąĎčēĆă ēĘďăĎĄďđćčēćčąÿčĂēĆăĒÿēĔđÿēćĎčĎĄēĆăćČÿąă ܥ ÿĀċă މ ąćĕăĒ values of the color difference Δ ĎĄēĆăďđćčēăĂćČÿąăĒĎčēĆă ćčĕăĒēćąÿēăĂćČďđćčēĒ ܥ
Table 3
The difference in CMYK colors formed by sequential application of inks on the imprint (at 100 % image saturation)
ċăėĎąđÿďĆćāďđćčēćčą
ćąćēÿċďđćčēćčą
Δٖ C = ތވܥވ Δٖ = ގފܥފ Δٖ = ވތܥވ Δٖ K = ޏކܥއ
Δٖ C = ވވܥއ Δٖ = މއܥވ Δٖ = ލއܥއ Δٖ K = ތކܥވ
0 0 2 0 4 0 6 0 8 1 1 2 1 4
ĒĒēĔĂćăĒĒĆĎĖ ܡ ēĆă āĎċĎđ Ă楥ăđăčāă Ďč ēĆă Ăćąćēÿċ ďđćčē ćČďđćčē ćčāđăÿĒăĒ ĄđĎČ ćčĊ ܱ ލއܥއ ࠘ܲ ēĎ ćčĊ ܱ މއܥވ ࠘ܲ ܥ ĒĎČăĖĆÿē Ă楥ăđăčē ďćāēĔđă ćĒ āĆÿđÿāēăđćĒēćā ĎĄ ēĆă ĄċăėĎܼ ąđÿďĆćā ďđćčē݁ ēĆă ćčāđăÿĒă ćč āĎċĎđ Ă楥ăđăčāă ćĒ ĎĀĒăđĕăĂ ĄđĎČćčĊ ܱ ޏކܥއ ࠘ܲ ēĎćčĊܱ ގފܥފ ࠘ܲ ܥ ÿĀċă ފ ąćĕăĒ ēĆă đăĒĔċēĒ ĎĄ ČăÿĒĔđćčą ēĆă L * a * b * color āĎĎđĂćčÿēăĒĎčĄċăėĎąđÿďĆćāÿčĂĂćąćēÿċ čĊܼ ăēćČďđćčēĒ ܥ Ćă ĐĔÿċćēĘĎĄĂćąćēÿċďđćčēćčąćČďđćčēĒĖÿĒāĎČďÿđăĂÿāāĎđĂćčąēĎ ēĆă ލފތވއ ĒēÿčĂÿđĂĀĘÿčÿċĎąĘĖćēĆĎĄĄĒăēďđćčēćčą ܥ ćÿąđÿČĒĎĄāĎċĎđāĎĕăđÿąăĎĄćČďđćčēĒĎčďÿďăđčÿďĊćčĒ ÿđăĒĆĎĖčćčćą ܥ ܥލ Ćă ĒēĔĂĘ ĎĄ ēĆă āĎċĎđ āĎĕăđÿąă ĎĄ ÿċċ ēăĒēăĂ ĒÿČďċăĒ showed that their color coordinates are within the normative đÿčąăÿāāĎđĂćčąēĎēĆă ލފތވއ ĒēÿčĂÿđĂ ܥ đĎČćą ܥ ܡލ ćēāÿč ĀăĒăăčēĆÿēēĆăÿđăÿĎĄēĆăāćđāċăĎĄāĎċĎđāĎĕăđÿąăĎčēĆăćČ - ďđćčēĎĄĄċăėĎąđÿďĆćāďđćčēćčąćĒČĔāĆċÿđąăđēĆÿčēĆăÿđăÿĎĄ ēĆăāĎċĎđąÿČĔēĎĄĂćąćēÿċďđćčēćčą ܥ ĆăĖćĂăđēĆăāĎċĎđąÿČĔē ܡ the greater the value of L * a * and bܹ ܥ
0 4 0 8 1 2 5 10 50 75 80 85 90 95 98 99 100 Saturation, % ɋ M Y K Fig. 5. Optical density diagrams of a full-color print of flexographic printing on tissue paper ćą ܥ ތ ĒĆĎĖĒĂćÿąđÿČĒĎĄēĆăĂăďăčĂăčāăĎĄēĆăĎďēćāÿċ ĂăčĒćēĘĎĄĂćąćēÿċďđćčēćČďđćčēĒĎčāĎċĎđĒÿēĔđÿēćĎč ܥ ĒēĆă ÿčÿċĘĒćĒĎĄēĆăĂćÿąđÿČĒđăĕăÿċĒ ܡ ēĆăđăĒĔċēćčąĂăďăčĂăčāă ĎĄēĆăĎďēćāÿċĂăčĒćēĘĎĄēĆăĂćąćēÿċďđćčēćČďđăĒĒćĎčćčāđăÿܼ ĒăĒćčďđĎďĎđēćĎčēĎēĆăāĎċĎđĒÿēĔđÿēćĎč ܥ ĆăČĎđăĒÿēĔđÿēăĂ ēĆăāĎċĎđĎĄēĆăďÿćčēܱ ކކއ ࠘ܲ ܡ ēĆăąđăÿēăđēĆăĎďēćāÿċĂăčĒćēĘ ĎĄ ēĆă ćČďđćčē ĖćēĆ ĔčāĆÿčąăĂ ĒĔĀĒēđÿēă ĒēđĔāēĔđă ÿčĂ ďđćčēćčąČĎĂăĒ ܥ
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