This study focuses on the production and characterization of biodegradable handmade paper from the plant (SRP) cellulose. plant is a seasonal plant that grows in the equatorial and tropical climates. The studies carried out on this SRP were aimed at investigating the methods required for the production of handmade paper from SRP plant and also at determining the tensile strength. Four specimens of SRP paper of different additive labels S0 (no additive), S1 (starch and KOH), S2 (starch), and S3 (Foska liquid glue) were produced using the Kraft method. Tensile properties (stress at break, elongation at break, and Young's modulus), the rate of water absorption, and the rate of moisture absorption were carried out. Results showed that the addition of potassium hydroxide considerably reduces Young's modulus of SRP handmade paper (S1) while the Foska liquid glue (S3) significantly improves it. In addition, the addition of potassium hydroxide and Foska liquid substantially improves the water absorption properties of the paper S2 and S3, respectively. The adhesive liquid creates more porosity and consequently increases the absorption of water. The addition of potassium hydroxide and Foska liquid significantly embedded the rate of moisture absorption. From the results obtained, it can be concluded that the paper S3 can be used as packaging paper since it has better mechanical properties and moisture absorption.
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http://dx.doi.org/10.1155/2020/3967641 | DOI Listing |
Molecules
December 2024
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
Handmade papers, as carriers of paper-based cultural relics, have played a crucial role in the development of human culture, knowledge, and civilization. Understanding the intricate relationship between the structural properties and degradation mechanisms of handmade papers is essential for the conservation of historical documents. In this work, an artificial dry-heat-accelerated aging method was used to investigate the interplay among the mechanical properties of paper, the degree of polymerization (DP) of cellulose, the chemical composition, the hydrogen bond strength, the crystallinity, and the degree of hornification for paper fibers.
View Article and Find Full Text PDFJ Endovasc Ther
October 2024
Department of Vascular and Endovascular Surgery, Cardiovascular Institute Hospital Clínic, University of Barcelona, Barcelona, Spain.
Surg Case Rep
October 2024
Department of Neonatology, Yamanashi Prefectural Central Hospital, Kofu, Japan.
JACC Case Rep
September 2024
Department of Cardiovascular Medicine, Saga University, Saga, Japan.
RSC Adv
August 2024
Animal Science Department, Agriculture Faculty, Isparta University of Applied Sciences Isparta 32260 Turkey.
A simple preparation of a paper strip test with a smartphone-based instrument for detecting dissolved mercury is still in development. This study aims to develop a smartphone-based colorimetric paper strip test using chitosan-stabilized silver nanoparticles for detecting dissolved mercury. The method demonstrated high sensitivity and selectivity for Hg ions, with detection limits comparable to UV-vis spectrophotometry.
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