evaluation function rice starch glues of rehabilitation and activation in preparation Tissues used in restoration paper works

Document Type : Research Paper

Authors

1 Ph.D. student, Restoration of historical and cultural objects, Art university of Isfahan, Iran

2 Assistant Prof., Department of restoration of cultural and historical objects, Art university of Isfahan, Iran

3 Science committee member islamic azad university (Khorasgan), Iran

Abstract

The aim of this research were to facilitate the use of starch in paper works that combined they are not sensitive to water and also identify the characteristics of adhesives (sheets) enabled starch and starch together new. The research, analytical comparison And gathering data through experiments related to research Like pH measurement, colorimetric, infrared spectroscopy with attenuated total reflection (FTIR- ATR), Measurement of tensile strength and adhesion strength of the samples was also measured. The present study was thus that the adhesives were prepared rice starch and rice starch plate enabled. The Prototyping was done using adhesives. Temperature-humidity accelerated aging specimens in accordance with ASTM D7414-96 number for 384 hours and changes color, pH, tensile strength and adhesion are studied. The results showed The highest acidity after two rounds of the sample aging RS (tissue paper coated with glue rice starch) with pH 6/1 after the aging light And 6/01 after temperature-humidity aging And the lowest acidity of the average of the samples SF (plate starch) with pH 8/35 After light aging and pH 8/20 after temperature-humidity. After Light and temperature-humidity aging, the highest tensile strength of the sample RS is the 1/08 kN per meter. Reviews results that the adhesion strength test showed after stage aging light, The maximum adhesion of the sample RS 1/32 Newton and after the temperature-humidity aging of the highest adhesion of ASF to value 1/25 Newton.

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References

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Iranian Journal of Wood and Paper Industries
Volume 9, Issue 3
December 2018
Pages 371-382

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