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Pregled bibliografske jedinice broj: 698173

Formation of the Printing Elements in the Photopolymer Material Used in Flexography


Mahović Poljaček, Sanja; Tomašegović, Tamara; Cigula, Tomislav; Gojo, Miroslav; Milčić, Diana
Formation of the Printing Elements in the Photopolymer Material Used in Flexography // Key engineering materials, 611-612 (2014), 883-891 doi:10.4028/www.scientific.net/KEM.611-612.883 (podatak o recenziji nije dostupan, članak, znanstveni)


CROSBI ID: 698173 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Formation of the Printing Elements in the Photopolymer Material Used in Flexography

Autori
Mahović Poljaček, Sanja ; Tomašegović, Tamara ; Cigula, Tomislav ; Gojo, Miroslav ; Milčić, Diana

Izvornik
Key engineering materials (1013-9826) 611-612 (2014); 883-891

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Bump Curve; Flexography; LAMS; Photopolymer; Printing Element

Sažetak
Starting point of this paper is photopolymer printing plate used for flexographic printing. It is used for transfer of the printing ink onto the printing surface during the reproduction process. Photopolymer printing plate consists of several layers: polyester basis, photo sensitive polymer material and LAMS - Laser Ablation Mask. In the platemaking process the photosensitive material, which will form a printing plate, has to be several time exposed to different radiation in order to obtain a functional printability performance. LAMS layer has a role of masking in the exposure process. Upon pre-exposure, LAMS layer has to be removed by laser ablation only at the surfaces where photopolymer printing plate needs to be exposed. After ablation the exposures to UV lights follows and the plate will be finished with chemical removal of the unexposed parts of the polymer. Functionality of the finished printing plate has to be characterised and monitored in every procedure step because the formed image element on the printing plate has a major influence on the quality of the finished printed product. In this paper observing of the changes in the polymer material which is caused by exposure through LAMS layer will be performed. The aim is to measure the surface openings on the LAMS mask and to measure surface coverage (image elements) on the polymer material formed by exposure through the LAMS. Measuring will be made by image analysis software based on microscopic images of the control fields of differing halftone values. It is assumed that there will be a correlation between the LAMS openings and formed image elements on the printing plates. Preliminary results indicate that certain differences in image elements can be detected and are probably the consequence of the different amount of irradiated surface of the polymer material. Since the polymer material which forms the printing plate should be stable in the graphic reproduction process, results of the paper will explain the influence of UV exposures on polymerisation process and on the functional printability performance of the plates.

Izvorni jezik
Engleski

Znanstvena područja
Grafička tehnologija



POVEZANOST RADA


Projekti:
128-1201785-2228 - Razvoj metoda mjerenja površina tiskovnih formi (Gojo, Miroslav, MZOS ) ( CroRIS)
128-1281955-1951 - Standardizacija ekološki prihvatljivih procesa grafičkih komunikacija (Milčić, Diana, MZOS ) ( CroRIS)

Ustanove:
Grafički fakultet, Zagreb

Poveznice na cjeloviti tekst rada:

doi http

Citiraj ovu publikaciju:

Mahović Poljaček, Sanja; Tomašegović, Tamara; Cigula, Tomislav; Gojo, Miroslav; Milčić, Diana
Formation of the Printing Elements in the Photopolymer Material Used in Flexography // Key engineering materials, 611-612 (2014), 883-891 doi:10.4028/www.scientific.net/KEM.611-612.883 (podatak o recenziji nije dostupan, članak, znanstveni)
Mahović Poljaček, S., Tomašegović, T., Cigula, T., Gojo, M. & Milčić, D. (2014) Formation of the Printing Elements in the Photopolymer Material Used in Flexography. Key engineering materials, 611-612, 883-891 doi:10.4028/www.scientific.net/KEM.611-612.883.
@article{article, author = {Mahovi\'{c} Polja\v{c}ek, Sanja and Toma\v{s}egovi\'{c}, Tamara and Cigula, Tomislav and Gojo, Miroslav and Mil\v{c}i\'{c}, Diana}, year = {2014}, pages = {883-891}, DOI = {10.4028/www.scientific.net/KEM.611-612.883}, keywords = {Bump Curve, Flexography, LAMS, Photopolymer, Printing Element}, journal = {Key engineering materials}, doi = {10.4028/www.scientific.net/KEM.611-612.883}, volume = {611-612}, issn = {1013-9826}, title = {Formation of the Printing Elements in the Photopolymer Material Used in Flexography}, keyword = {Bump Curve, Flexography, LAMS, Photopolymer, Printing Element} }
@article{article, author = {Mahovi\'{c} Polja\v{c}ek, Sanja and Toma\v{s}egovi\'{c}, Tamara and Cigula, Tomislav and Gojo, Miroslav and Mil\v{c}i\'{c}, Diana}, year = {2014}, pages = {883-891}, DOI = {10.4028/www.scientific.net/KEM.611-612.883}, keywords = {Bump Curve, Flexography, LAMS, Photopolymer, Printing Element}, journal = {Key engineering materials}, doi = {10.4028/www.scientific.net/KEM.611-612.883}, volume = {611-612}, issn = {1013-9826}, title = {Formation of the Printing Elements in the Photopolymer Material Used in Flexography}, keyword = {Bump Curve, Flexography, LAMS, Photopolymer, Printing Element} }

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