SOLUBILIZING AND DETACKIFYING STICKIES WITH ß-CYCLODEXTRIN

Sujit Banerjee, Tuan Le, R. Daniel Haynes, James E. Bradbury

Abstract


ß-Cyclodextrin (ß-CD) solubilizes stickies from deinked pulp, commercial adhesive formulations, or magazine inserts, which demonstrates its potential as a washing aid. A new test to simulate coater scratches is described; it involves scraping the test paper sample across the surface of a thin layer chromatography plate and measuring the degree of scratching on the plate. Scratching was significantly reduced when the paper was pre-treated with ß-CD. A trial at a recycle paper mill confirmed that ß-CD reduces the tack of filtrate components.

Keywords


Stickies; Cyclodextrin; Tack; Recycle; Coater

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