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  1. 1 Ochrona Zabytków

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  1. 1 Froehlich M.

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  1. 1 1977

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Wzmacnianie papieru roztworami metylocelulozy i jej pochodnych

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Froehlich M.
Ochrona Zabytków
|
1977
|
issue 1-2
66-69
EN
The methods of application — by Polish and Soviet research workers ■— of methyl-cellulose for strengthening old paper of historical value are described. The author’s own investigations aimed at determining the usefulness of various types of methylcellulose in conservation practice. The tests concerned were made with both new and impaired paper i.e. that subject to the process of artificial aging. Their results have shown that the applied kinds of methyl-cellulose exert a positive impact on enhancement of the strength of new paper and that subject to aging at 105°C. If the temperature of 165°C applied, the effects are less satisfactory. Good results have been obtained with Tylose C-300 and C-600 employed for the strengthening of impaired paper. Moreover, as has been ascertained, the said agents also have protective properties.
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