𝔖 Bobbio Scriptorium
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Ionic binding in pressure-sensitive adhesive polymers

✍ Scribed by D. Satas; R. Mihalik

Publisher
John Wiley and Sons
Year
1968
Tongue
English
Weight
377 KB
Volume
12
Category
Article
ISSN
0021-8995

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✦ Synopsis

Ionic binding is affected in pressure-sensitive acrylate-bwed copolymers containing carboxylic groups by introduction of Na ions. The tack and peel force of pressuresensitive polymers decreased and the resistance to creep increased with increasing degree of ionic binding. An infrared spectroscopic method for the assay of sodium content has been developed based on the ratio of absorbances at 5.75 and 6.28 fi due to ester carboxyl and ionized carboxyl, respectively.

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