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[학술저널]

  • 학술저널

Koang-Chul Wi(Hanseo University)

DOI : 10.7584/JKTAPPI.2021.04.53.2.15

초록

In this study, we manufactured an eco-friendly wood adhesive fromgelatin extracted from shark skin. Extracted gelatin demonstrates stronger adhesion ability (321.82 ㎏f/㎠) than conventional fish glues (Japanese fish skin glue, croaker air bladder glue, sturgeon air bladder glue) that show good adhesive strength even under typical usage scenarios, such as heating in boiling water. In order to overcome the shortcomings related to conventional use of these glues, such as heating in boiling water or submersion in water, we manufactured a modernized adhesive that has low viscosity and high adhesion strength because of the modifying property of shark gelatin-using urea. Through the foregoing, this study, with a simple solubilization, was able to solve problems such as decomposition of gelatin protein by the water used as solvent, gelation that continues even after the elapse of time, change in properties etc. Shark gelatin-modified adhesive manufactured in this study showed an adhesion strength of 312.65 ㎏f/㎠ at a low viscosity of 3,100 cPs, demonstrating a very short drying duration of 25 min. As compared to that of a modified adhesive made from the air bladder of Japanese croaker with the same viscosity, our glue showed more than triple the adhesion strength. Further, constancy was expected after adhesion because the adhesive had deteriorated less even after being exposed to ultraviolet irradiation.

목차

ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussions
4. Conclusions
Literature Cited

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