Journal
APPLIED SURFACE SCIENCE
Volume 351, Issue -, Pages 1204-1212Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.06.121
Keywords
Thermal stability; Hydrophobicity; Dynamic mechanical properties; Adhesive properties
Categories
Funding
- Science Foundation of State Key Laboratory of Structural Chemistry, China [20120017]
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A novel silanized CoFe2O4/fluorinated waterborne polyurethane (SC/FWPU) pressure sensitive adhesive was synthesized and characterized by atomic force microscopy (AFM), thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA) and contact angle tester. The adhesive properties were measured in a test machine. Experimental results showed that the hydrophobicity, thermal stability, dynamic mechanical properties, as well as adhesive properties of SC/FWPU were improved with the incorporation of SC into FWPU. The dynamic hydrophobicity can be well described by the wetting kinetic model. The spreading-penetration parameter increased with an increase in SC content. The higher the spreading-penetration parameter is, the faster the contact angle reaches equilibrium, and the faster the SC/FWPU pressure sensitive adhesive penetrates and spreads. (C) 2015 Elsevier B.V. All rights reserved.
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