Alkali-modified soy protein with improved adhesive and hydrophobic properties

Adhesive and hydrophobic properties of alkalimodified soy protein (AMSP) and trypsin‐modified soy protein (TMSP) on wood were investigated. Modifying soy protein (i) under moderate alkaline conditions (pH 10.0 at 50°C) and (ii) with trypsin, enhanced adhesive strengths (730 and 743 N, respectively)...

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Veröffentlicht in:	Journal of the American Oil Chemists' Society 1995-12, Vol.72 (12), p.1461-1464
Hauptverfasser:	Hettiarachchy, N.S. (University of Arkansas, Fayetteville, AR.), Kalapathy, U, Myers, D.J
Format:	Artikel
Sprache:	eng
Schlagworte:	ADHESIF ADHESION Adhesive strength ADHESIVES ADHESIVOS ALKALI TREATMENT alkaline modification Applied sciences BOIS CHEMICAL MODIFICATION CHEMICOPHYSICAL PROPERTIES enzymatic modification Exact sciences and technology HIDROFOBICIDAD HYDROPHOBICITE HYDROPHOBICITY MADERA MECHANICAL PROPERTIES Natural polymers Physicochemistry of polymers PLANT PROTEIN PROPIEDADES FISICO-QUIMICAS PROPIEDADES MECANICAS PROPRIETE MECANIQUE PROPRIETE PHYSICOCHIMIQUE PROTEINAS VEGETALES PROTEINE VEGETALE Proteins RESISTANCE MECANIQUE RESISTENCIA MECANICA SOJA soy protein SOYBEANS STRENGTH TRAITEMENT AUX ALCALIS TRATAMIENTO ALCALINO TRIPSINA TRYPSIN TRYPSIN-MODIFIED SOY PROTEIN TRYPSINE WATER RESISTANCE WOOD WOOD ADHESIVES
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Zusammenfassung:	Adhesive and hydrophobic properties of alkalimodified soy protein (AMSP) and trypsin‐modified soy protein (TMSP) on wood were investigated. Modifying soy protein (i) under moderate alkaline conditions (pH 10.0 at 50°C) and (ii) with trypsin, enhanced adhesive strengths (730 and 743 N, respectively) compared with unmodified soy protein (340 N). Hydrophobicities of AMSP, TMSP, and unmodified soy protein isolate by sodium dodecyl sulfate binding and 1‐anilino‐8‐naphthalene sulfonate methods were 7.6, 6.4, 5.0 and 39, 27, 13, respectively. Modified soy protein adhesives with higher hydrophobicities (AMSP and TMSP) had enhanced water‐resistance properties.
ISSN:	0003-021X 1558-9331
DOI:	10.1007/BF02577838