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Publication Information

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Title: Properties of water-based acrylic pressure sensitive adhesive films in aqueous environments

Author: Houtman, Carl J.; Severtson, Steve J.; Guo, Jihui; Xu, Helen; Gwin, Larry

Date: 2007

Source: Proceedings of the 8th TAPPI research forum on recycling, 2007 September 23-26, Niagara Falls, Ontario, Canada. Atlanta, GA: TAPPI Press, 2007: [6] pages.

Publication Series: Not categorized

Description:

Water-base pressure sensitive adhesives dominate the market of adhesives applied to paper. These materials are formulated as emulsions of acrylic polymers in water. Surfactants are used to stabilize the hydrophobic polymer particles. When water-based adhesives are dried, particles coalesce and surfactant segregates to interparticle domains that provide pathways for water to enter the adhesive film. Atomic force microscopy, under humidity controlled conditions, has been used to characterize formation of these structures in adhesive films. Surfactant rich domains, which strongly interact with water, lead to dramatic differences between the wet and dry mechanical properties of adhesive films. The efficiency of adhesive removal by slotted screening was observed to correlate with wet tensile strength for a set of model adhesives. In contrast, dry tensile strength is not useful for predicting performance during recycling operations.

Keywords: Pressure-sensitive adhesives, acrylic resins, adhesives, moisture content, moisture, surface active agents, humidity, mechanical properties, waste paper, contamination, recycling, emulsions, PSA, hydrophobicity, atomic force microscopy, stickies, screening, particle sizes, tensile strength

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Houtman, Carl J.; Severtson, Steve J.; Guo, Jihui; Xu, Helen; Gwin, Larry 2007. Properties of water-based acrylic pressure sensitive adhesive films in aqueous environments. Proceedings of the 8th TAPPI research forum on recycling, 2007 September 23-26, Niagara Falls, Ontario, Canada. Atlanta, GA: TAPPI Press, 2007: [6] pages.

 


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