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Monday, 23 September 2019
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Raw materials & technologies, Raw materials, Coatings additives

Formulating pressure-sensitive adhesives with new curing agents

Tuesday, 13 May 2014

Korean researchers synthesised optically clear acrylic pressure-sensitive adhesives (PSAs) with different co-monomers.

The study employed metal chelate aluminum acetylacetonate and zirconium acetylacetonate as curing agents.

Adhesion performance decreases

The optical properties of the acrylic PSAs were examined by UV-visible spectroscopy and a prism coupler. In addition, the adhesion performance was obtained by assessing the peel strength, the tack, and the shear adhesion failure temperature. The decrease in the adhesion performance may be related to a higher crosslinking density, which also resulted in a higher gel content.

The study is published in: International Journal of Adhesion and Adhesives, Volume 47, December 2013.

Researchers synthesised acrylic PSAs with different co-monomers
Source: Henkel

Researchers synthesised acrylic PSAs with different co-monomers
Source: Henkel

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