Preparation of Denatured Alcohol-Modified SPI-Based Adhesive

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Abstract:

An environment-friendly soy protein isolate (SPI)-based adhesive for wood was prepared using denatured alcohol-modified SPI, calcium hydroxide and sodium silicate. On the basis of the single factor test results, an orthogonal test of 4 elements and 3 levels was carried out to optimize formula ingredients. The modified SPI adhesive contained more calcium hydroxide than unmodified SPI adhesive and exhibited good performance. The shear strength of the specimen bonded with the modified adhesive was 82.3 MPa; after three cycles of water-soaking and air-drying, the decrease in shear strength was as low as 7.9%.

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Periodical:

Advanced Materials Research (Volumes 557-559)

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987-990

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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