Absorption studies of coldset ink components into paper

Petri Varjos, Kirsi Kataja, Pia Qvintus-Leino, Maija Lipponen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    Abstract

    There has been a lack of direct methods to measure ink absorption from printed paper. Absorption of visible ink pigments can be studied by applying microtomes and light microscopes but other equally important components ink oils and resins are invisible. As ink oils and resins are organic materials, there are no means to distinguish them from other organic material such as wood fibres even with the most sensitive analytical equipments. This paper represents one solution to the problem above. A suitable oil soluble inorganic tracer element was introduced to the ink and the penetration of the oil was detected by applying instrumental neutron activation analysis (INAA). The paper was split to several layers and the activation analysis was performed to the layers. The penetration of the ink pigment could be detected by analysing the copper compound of the cyan ink pigment in the same paper layers by ICP-MS technique.
    Original languageEnglish
    Title of host publicationPrinting with ink-toner on paper in an electronic communication media society
    Subtitle of host publicationIPAGAC - 11th International Printing and Graphic Arts Conference
    Number of pages4
    Publication statusPublished - 2002
    MoE publication typeNot Eligible
    Event11th International Printing and Graphic Arts Conference, IPAGAC 2002 - Bordeaux Lac, France
    Duration: 1 Oct 20023 Oct 2002
    Conference number: 11

    Conference

    Conference11th International Printing and Graphic Arts Conference, IPAGAC 2002
    Abbreviated titleIPAGAC
    CountryFrance
    CityBordeaux Lac
    Period1/10/023/10/02

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