Coating & print performance of biobased latex in European graphic papers, 2011 PaperCon Conference

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Biobased latex has been introduced to Europe for light weight coated (LWC), fine paper and board applications. This presentation summarizes the experience from lab to pilot plant scale in preparation for mill production. Learning’s regarding coating preparation, runnability and paper performance in LWC papers produced under state-of-the-art pilot coater conditions are reported, as well as print performance obtained on a commercial printing press. This has demonstrated that 30 – 50% of the petroleum-based latex plus much or all of the co-binder, rheology modifier and OBA carrier can be replaced with biobased latex to provide similar performance for some properties and superior performance for others. Benefits beyond paper & print performance, improved runnability and carbon footprint were noted, including higher solids coating formulation and dryer energy savings.