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20<br />
paper<br />
<strong>colour</strong> <strong>chronicle</strong> 1 | 2009<br />
Action mechanism<br />
DRY<br />
WET<br />
DRY<br />
WET<br />
Starch<br />
Fibres<br />
Uncrosslinked<br />
Crosslinked<br />
Filler particles<br />
Crosslinker<br />
Influence of Crosslinker on WSS and Offset Press<br />
Productivity<br />
Production : 6 tons / hr - deinked pulp - 80 gsm<br />
Size Press : native starch 3 gsm + OBA<br />
Printing issues : dry pick on large black areas - deposits<br />
on blanket (piling)<br />
Number of Printed Copies before Blanket Cleaning<br />
Case history : Cartabond TSI for MWC -<br />
Roll Offset - Magazine paper<br />
Production : Coated offset printing paper for<br />
magazines - 110000 tons / y.<br />
Grammage : 70 to 180 gsm – wood containing<br />
pulp.<br />
Coating <strong>colour</strong> : (dry parts)<br />
Clay: 25<br />
Calcium Carbonate: 75<br />
Synthetic latex: 10<br />
CMC: 0.3<br />
PVOH: 0.3<br />
Leucophor NS : 0.75<br />
pH: 8.5 - Dry content : 63 %<br />
Coated weight : 10 gsm / side – top coat<br />
Case history : Cartabond TSI for MWC –<br />
Roll offset – Magazine paper<br />
IGT wet pick (3804 ink): Quotation:<br />
UF res.: 3 Cartabond TSI : 1 (good).<br />
Whiteness : same for both products : WCIE : 112<br />
- R457 : 88.<br />
Offset printing : OK.<br />
Cartabond TSI has replaced the UF resin (0.3 pt<br />
against 1.6 UF).