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Type: Artigo de periódico
Title: Paper And Surface Chemistry - Part I - Fiber Surface And Wet End Chemistry [papel E Química De Superfície - Parte I - A Superfície Da Fibra E A Química Da Parte úmida]
Author: Fardim P.
Abstract: Paper manufacturing and converting involves a multitude of surface chemical interactions. Beating, stock preparation, coating and converting processes are steps where these interactions play an important role for product consolidation and performance. Interactions between fibres and colloidal particles, polymers, minerals and dyes are fundamental in papermaking. Most papermaking interactions are complex and not very Well understood; consequently, many paper formulations are designed according to an empirical trial-and-error approach. This work is a critical literature review of some interactions present in papermaking, coating and printing. In the first part, the current models for fibre surfaces and their interactions in the wet end are discussed. The surface engineering of pulp fibres is also presented of as a good potential for eucalypt pulp and paper, specially for improving strength and absorbing properties. In the second part of the review, the surface chemistry involved in coating formulation and some interactions between the paper surface and printing inks are discussed. The strategic application of surface chemistry can be useful tool, not only for paten and product development, but also to improve troubleshooting and customers support.
Rights: fechado
Identifier DOI: 
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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