Thermal and natural aging of bagasse paper sheets coated with gelatin
Source abstract
Abstract
Abstract The utilization of the solid tannery wastes as a promoting agent to improve paper sheet properties was investigated. Solid tannery wastes from pickled hide shavings are treated to remove acid and salts, and hydrolyzed at pH 10 by using potassium carbonate. The produced hydrolysable collagen (gelatin) was used as coating for paper sheets. The gelatin concentrations from 0.5–2.5 % were used as coating solution and its effect on thermal aging and mechanical properties was studied. A direct proportion between gelatin concentration and improvements of paper mechanical properties was observed. A kinetic study based on paper strength properties confirmed the stabilizating effect of gelatin on paper sheets. Paper sheets coated with 2.5 % gelatin solution were thermally aged at temperatures range between 100–200 °C for different time intervals from 1–6 h, and after that it was subjected to natural aging for two years. Gelatin coating improves the paper sheets mechanical properties and thermal stability.
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Research context
OpenAlex topics: Advanced Cellulose Research Studies · Material Properties and Processing · Nanocomposite Films for Food Packaging
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Affiliations
Cellulose and Paper Department , National Research Centre , 33 Bohouth St. Dokki , Giza , Egypt
Department of Chemistry of Tanning Materials and Leather Technology , National Research Centre , 33 Bohouth St. Dokki , Giza , Egypt
Cellulose and Paper Department , National Research Centre , Giza , Egypt
Funding
National Research Centre
References (24)
Show source-provided references
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