혈장변성접착제를 사용한 내수합판의 특성 = Properties of Water Resistant Plywood Made with Modified Serum Protein Adhesive

다국어 초록 (Multilingual Abstract)

This study was carried out to examine properties of water resistant plywood by using serum protein adhesive which is natural environment-friendly and human-friendly. For the preparation of the serum protein adhesive, pig blood from slaughterhouse was centrifuged and serum was separated from corpuscles and concentrated to 30% by dry weight basis This concentrated serum protein was modified with PF resin(50% NVC) with the ratio of 9:2.5. Plywood made by this modified serum protein gave 1.21 N/mm2 of dry bonding strength, 0.80N/mm2 of wet boil bonding strength, 0% of cyclic delamination test value, and 0.025ppm of HCHO emission, which met the excellent super Eo grade and water resistant plywood.

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