BASF Introduces New PSA for Packaging Grades
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BASF, Germany, reports that its research, development, and application specialists have jointly completed work on new polymeric surface sizing agents (PSA) that allow papermakers to significantly improve sizing costs. Traditionally, PSA for the liner segment used cationic polymers, the company notes, adding, however, that this limited the coloration to certain product ranges.
With Basoplast® 450 P, BASF introduces a new, cost-efficient PSA for the packaging segment. The product is suited for linerboard grades and complements BASF's offer of anionic PSA in the graphical paper market. By replacing cationic PSA in packaging with Basoplast 450 P, paper manufacturers now can adjust the desired coloration in the surface with direct dyes, which can provide a more cost-efficient solution than incumbent systems, BASF explains.
In addition to the new opportunities for cost-efficient coloration, the new Basoplast 450 P agent shows no foaming tendency or sensitivity to pH or starch type and can be used in both size or film-press. It further has received food contact approval (BfR XXXVI, FDA 176.170, 176.180).
"With Basoplast 450 P, we offer the first anionic polymeric sizing agent able to compete against cationic polymeric surface sizing agents traditionally used in liner and board. We recently had various mill trials throughout Europe and in consequence are able to promptly launch the product in the market. But, this invention also required cross-divisional support through the know-how- and production Verbund of BASF, especially the Petrochemicals Division. It shows that BASF can be very successful if we act as one company," said Dr. Frank Höfer, VP marketing, Paper Chemicals Europe.
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