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Title of Journal: J Coat Technol Res

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Abbravation: Journal of Coatings Technology and Research

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Springer US

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DOI

10.1002/pssb.19630030303

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1935-3804

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Stress development and film formation in multiphas

Authors: Kyle Price Wenjun Wu Kurt Wood Stephanie Kong Alon McCormick Lorraine Francis
Publish Date: 2014/09/09
Volume: 11, Issue: 6, Pages: 827-839
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Abstract

Designed appropriately multiphase softcore/hardshell latex particles can achieve film formation without the addition of a coalescing aid while preserving sufficient film hardness Achieving optimal performance in these materials requires an understanding of how particle morphology affects film formation and stress development in the film In this study softcore/hardshell latex particles with different shell ratios core and shell glass transition temperatures T gs and particle sizes 63–177 nm were synthesized using a twostage emulsion polymerization The film formation behavior of the composite particles was investigated with cryogenic scanning electron microscopy atomic force microscopy and measurements of the minimum film formation temperature MFFT Results show that film formation was enhanced for particles with thinner hard shells smaller particle size and a smaller difference in T g between the core and shell polymers For example the MFFT decreased and the particle deformation increased for particles with thinner shells and smaller particle sizes Stress development during drying was characterized using a cantilever beam bending technique A walled cantilever design was used to monitor stress development without the complication of a lateral drying front The film formation behavior and stress development correlated well with practical paint properties like scrub resistance and glossThe authors would like to gratefully acknowledge support from the National Science Foundation under Award No CBET 0967348 and the industrial supporters of the Coating Process Fundamentals Program Support was also received by the National Science Foundation MRSEC and REU programs under Award Numbers DMR0754792 and DMR081988 Acknowledgments also go to Yan Wu Kathleen Crawford Derek Huang Chris Frethem Greg Haugstad and Wieslaw Suszynski for their contributions to this project Parts of this work were carried out in the Characterization Facility University of Minnesota which receives partial support from NSF through the MRSEC program


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Other Papers In This Journal:

  1. Design and manufacturing of protective barriers on Fe 430 B substrates by phenyl methyl polysiloxane coatings: micromechanical response, chemical inertness, and corrosion resistance
  2. The impact of solvent characteristics on performance and process stability of printed carbon resistive materials
  3. Effect of acid value on the esterification mechanism of maleinized soybean oil with cotton
  4. Chemical and anticorrosion characterization of polysilsesquioxane coatings catalyzed by different acids
  5. A smart anticorrosion coating based on hollow silica nanocapsules with inorganic salt in shells
  6. Surface treatment optimization of pigmentary TiO 2 from an industrial aspect
  7. Effect of polyaniline-modified glass fibers on the anticorrosion performance of epoxy coatings
  8. CNSL: an environment friendly alternative for the modern coating industry
  9. Nondestructive analysis of uneven paint coatings by dynamic heat conduction following flash heating
  10. A review of solid-state lighting and its impact on the marketing and production of decorative coatings
  11. Low-temperature fabrication of TiO 2 film on flexible substrate by atmospheric roll-to-roll CVD
  12. Scratch behavior of nano-alumina/polyurethane coatings
  13. Kinetics analysis and physical properties of photocured silicate-based thiol-ene nanocomposites: The effects of vinyl POSS ene on the polymerization kinetics and physical properties of thiol-triallyl ether networks
  14. The effect of hydrogen shielding gas on microstructure and abrasive wear behavior in the surface modification process using the tungsten inert gas method
  15. Use of novel polyetheralkanolamine comb polymers as pigment dispersants for aqueous coating systems
  16. Analysis of transparent conductive silver nanowire films from dip coating flow
  17. Synthesis and evaluation of functional polymeric additives with urethane linkage as dispersing agents for preparation of pigment concentrates with high solid loading, low-VOC content, and usefulness for industrial coatings
  18. Hybrid organic/inorganic coatings produced using a dual-cure mechanism

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