Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 117, Issue 3, Pages 1293-1298Publisher
SPRINGER
DOI: 10.1007/s10973-014-3865-5
Keywords
TG; DMA; Halloysite; Paper
Funding
- University of Palermo [2010329WPF]
- FIRB [RBFR12ETL5]
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We investigated the filling process of cellulose-based paper with natural clay nanotubes and their mixtures with hydroxypropyl cellulose (HPC) that is commonly used as glue and consolidant for degraded paper. A comprehensive characterization of the materials was carried out through morphology, wettability, thermal degradation, and tensile properties. The treatment with halloysite nanotubes generated a decrease of the paper mechanical performance and did not alter the thermal properties. The co-presence of HPC and nanoparticles generated a more uniform nanotubes distribution in the paper fibrous structure and a significant enhancement of both the mechanical properties and the surface hydrophobicity with respect to the HPC treatment. This work proposes the use of halloysite/HPC mixture in a new protocol for paper consolidation and represents a starting point to develop, with a biocompatible approach, smart composite material in which the nanotube cavity is filled with active species for paper protection or active response to external stimuli.
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