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Carbon and carbonless copy paper.

C D Calnan

    Acta Dermato-Venereologica. Supplementum
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Allergic reactions to carbon paper are rare. Carbonless copy paper may cause office worker symptoms, possibly due to color former solvents, as patch tests are negative.

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    Area of Science:

    • Dermatology
    • Occupational Health
    • Toxicology

    Background:

    • Allergic contact dermatitis from traditional carbon paper is exceptionally rare, with dyes and plasticizers being the usual culprits.
    • Carbon paper is increasingly replaced by carbonless copy paper (CCP) in business environments.
    • CCP utilizes microcapsules containing color formers that rupture under pressure to create images.

    Purpose of the Study:

    • To investigate reported symptoms among office workers handling used carbonless copy paper.
    • To explore potential causative agents in carbonless copy paper responsible for adverse health effects.

    Main Methods:

    • Clinical observation of office workers reporting symptoms after handling carbonless copy paper.
    • Diagnostic patch testing to assess for allergic contact dermatitis.

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  • Review of the chemical composition and mechanism of action of carbonless copy paper.

    • Main Results:

    • Office workers reported a range of symptoms including skin, eye, and upper respiratory issues, alongside systemic effects like headaches and fatigue.
    • Standard patch tests for allergic contact dermatitis yielded negative results.
    • The symptoms, if attributable to carbonless copy paper, are unlikely to be due to a true allergic reaction.

    Conclusions:

    • The symptoms experienced by office workers handling carbonless copy paper are not typical of allergic contact dermatitis.
    • Color former solvents within the microcapsules of carbonless copy paper are the most probable cause of the reported symptoms.
    • Further investigation into the specific solvents and their potential irritant or other non-allergic effects is warranted.