Cartaspers SCH and Cartabond DST.01 are deposit-control products that can help papermakers to improve machine cleanliness and operability when using wastepaper as a raw material. Cartaspers SCH makes use of nanotechnology to introduce trillions of tiny polymer particles into the wet end of a paper machine. The hydrophobic emulsion particles are derived from a hard, high-melting-point polymer. During operation, the tiny polymer spheres associate themselves with other hydrophobic components in the pulp slurry.
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