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Wood pitch fixative evaluation by Laser particle size analysis


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McLean, DS and Stack, KR and Richardson, DE (2009) Wood pitch fixative evaluation by Laser particle size analysis. Appita Journal, 62 (4). pp. 266-271. ISSN 1038-6807

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Wood pitch deposition onto the surface of papermaking machinery continues to be a costly problem. Fixatives - substances said to attach wood resin to wood fibre - have been used to alleviate wood pitch deposition to varying degrees of success. This paper aims to evaluate to what degree fixatives alter the colloidal wood pitch particle size. We were able to show how different wood resin fixatives alter the colloidal wood pitch particle size at three different pH values (4.75, 6.85 and 8.06). The fixatives can be divided into two categories, colloid disrupting and colloid stabilising, according to how they change pitch particle size.

Item Type: Article
Keywords: pitch, particle size distribution, fixatives, laser particle size analyser, colloidal stability
Journal or Publication Title: Appita Journal
Page Range: pp. 266-271
ISSN: 1038-6807
Additional Information: Copyright 2009 Appita Journal
Date Deposited: 16 Dec 2009 02:39
Last Modified: 18 Nov 2014 04:08
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