Research on the Properties of Nanoparticles Modified Sodium Silicate Adhesive

Xin Li Zhang; Yi Qiang Wu; Yun Chu Hu

doi:10.4028/www.scientific.net/AMR.557-559.1825

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559Research on the Properties of Nanoparticles...

Research on the Properties of Nanoparticles Modified Sodium Silicate Adhesive

Abstract:

A kind of nanoparticles modified Na2SiO3 adhesive was prepared from Na2SiO3 aqueous solution with nano-silica and nano-magnesia as curing agent, and nano attapulgite as skeleton material. The chemical structure, surface morphology and thermal properties of nanoparticles modified Na2SiO3 adhesive were characterized by Fourier transform infrared spectrometer, scanning electron microscope, and thermo-gravimetric analyzer. As the two main measures of adhesion properties, the bonding strength and water resistance were also determined. The results showed that nanoparticles uniformly dispersed in Na2SiO3 matrix in the state of grain, so the homogenous morphology of cured adhesive was formed and bonding strength of Na2SiO3 adhesive was improved. Nanoparticles modified Na2SiO3 adhesive have good thermal stability in the range of 30~800 °C. The bonding strength and 24h water absorption rate of poplar plywood glued by the nanoparticles modified Na2SiO3 adhesive is 0.8 MPa and 23.7%, respectively, reaching the type-two plywood performance standards.

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Periodical:

Advanced Materials Research (Volumes 557-559)

Pages:

1825-1829

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.557-559.1825

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Online since:

July 2012

Authors:

Xin Li Zhang, Yi Qiang Wu*, Yun Chu Hu

Keywords:

Bonding Strength, Inorganic Adhesive, Plywood, Sodium Silicate, Water Resistance

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* - Corresponding Author

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