A mesh reinforced pressure-sensitive adhesive for a linerless label design

Brogden, Emily M.; Wilson, Paul F.; Hindmarsh, Steven; Hands-Portman, Ian; Unsworth, Andrew; Liarou, Evelina; Bon, Stefan A. F.

doi:10.1039/d3lp00224a

Cited by 2 publications

(1 citation statement)

References 29 publications

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“…Besides addressing the underlying chemistry of PSAs, one can also tackle application product design, for example by developing linerless adhesive labels. 8…”

Section: Introductionmentioning

confidence: 99%

Water-based polymer colloids with a branched chain architecture as low-gel pressure-sensitive adhesives

Brogden,

Bon

2024

Polym. Chem.

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“…Besides addressing the underlying chemistry of PSAs, one can also tackle application product design, for example by developing linerless adhesive labels. 8…”

Section: Introductionmentioning

confidence: 99%

Water-based polymer colloids with a branched chain architecture as low-gel pressure-sensitive adhesives

Brogden,

Bon

2024

Polym. Chem.

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Quantification of block testing for coated paper substrates

MARIANELLI,

GLOR

2024

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Block resistance is a critical property for coated paper and board substrate that will be rolled, stacked, or otherwise contact itself after coating. Small differences in the coated substrate’s blocking can determine whether the substrate can be successfully used for its designated purpose. However, this crucial property is typically evaluated using a qualitative scale that is based on subjective operator ratings and impacted by factors that include: (1) sound of coated substrate during separation, and (2) force with which substrates are separated. This paper tests the hypothesis that quantifying the block test by measuring the force required to peel samples apart improves the test by: (1) providing more standardized testing conditions by controlling peel force and rate; (2) more clearly differentiating samples that experience minimal to some blocking; and (3) maintaining customizability to evaluate customer-specific test conditions. The method developed in this study uses a standard block tester and block testing conditions, but it peels the coated paper samples using a hot tack/heat seal instrument with force measurement capabilities. This paper demonstrates, using the instrument’s heat seal capabilities, that it can measure peel forces that represent the full range of observable block scores. The efficacy of this method was evaluated by having a group of trained operators engage in a randomized, blind experiment where they assessed block resistance on a set of coated paper samples using a modified qualitative block scale and compared their results to force measurements collected using the proposed method. The sample set included two coatings that have successfully run in commercial trials with minimal blocking, and one coating that experienced significant blocking in commercial trials despite only exhibiting some blocking at standard block test conditions in laboratory testing. The quantitative test method presented in this paper clearly differentiated these samples, whereas the qualitative assessment could not predict which samples had suitable block resistance for commercial use. As any tensile tester capable of measuring with 0.1 N resolution can be used for the Quantitative Block Test, the proposed method can be widely adopted. Furthermore, this method can be used for any block condition.

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A mesh reinforced pressure-sensitive adhesive for a linerless label design

Abstract: A concept for an on-demand linerless pressure sensitive adhesive (PSA) label is shown. Containment of a PSA has been achieved by entrapment within a scaffolding 3D hard mesh structure. The...

Cited by 2 publications

References 29 publications

Water-based polymer colloids with a branched chain architecture as low-gel pressure-sensitive adhesives

Water-based polymer colloids with a branched chain architecture as low-gel pressure-sensitive adhesives

Quantification of block testing for coated paper substrates

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