{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T22:06:25Z","timestamp":1750284385644},"reference-count":38,"publisher":"Walter de Gruyter GmbH","issue":"7-8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,7,26]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Two industrial bleached<jats:italic>Eucalyptus globulus<\/jats:italic>kraft pulps (pulps A and B), cooked from the same wood stock with slightly different alkali charges and temperatures, showed different refinability in the laboratory beating of pulp using a PFI mill. The easy to refine pulp (A) and the difficult to refine pulp (B) did not reveal significant differences in their biometric data and general chemical composition, but pulp A showed ca. 5%\u201310% higher mechanical strength and twice as high refinability compared to pulp B. These differences were ascribed to slightly higher intrinsic viscosity and higher xylan content of pulp A compared to pulp B (1010 vs. 860 cm<jats:sup>3<\/jats:sup>g<jats:sup>\u22121<\/jats:sup>and 20.1 vs. 17.8%, respectively). The xylan structure and its location in fiber cells were also different, which affected the pulp\u2019s refinability. The presence of high proportion of xylan in the bulk of fibers, rather than in their outer layers, seems to favor the pulp beating. An interpretation was also proposed, according to which the aggregation of cellulose fibrils during cooking, i.e. a partial coalescence of fibril crystallites, may also have a negative effect on pulp refinability.<\/jats:p>","DOI":"10.1515\/hf-2016-0205","type":"journal-article","created":{"date-parts":[[2017,5,3]],"date-time":"2017-05-03T10:01:29Z","timestamp":1493805689000},"page":"619-624","source":"Crossref","is-referenced-by-count":8,"title":["Hardwood kraft pulp structural features affecting refinability"],"prefix":"10.1515","volume":"71","author":[{"given":"C\u00e1tia T.","family":"Sousa","sequence":"first","affiliation":[{"name":"CICECO\/Department of Chemistry , University of Aveiro , Aveiro 3810-193 , Portugal"}]},{"given":"Dmitry V.","family":"Evtuguin","sequence":"additional","affiliation":[{"name":"CICECO\/Department of Chemistry , University of Aveiro , Aveiro 3810-193 , Portugal"},{"name":"Department of Wood Chemistry , St. Petersburg Forest Technical University , Institutsky per. 5 , St. Petersburg 194021 , Russian Federation"}]},{"given":"Jos\u00e9 L.","family":"Amaral","sequence":"additional","affiliation":[{"name":"Research Institute on Forestry and Paper (RAIZ) , Quinta de S. Francisco , Eixo 3801-501 , Portugal"}]}],"member":"374","published-online":{"date-parts":[[2017,5,3]]},"reference":[{"key":"2023012402374096718_j_hf-2016-0205_ref_039_w2aab2b8d142b1b7b1ab2b1b1Aa","doi-asserted-by":"crossref","unstructured":"B\u00e4ckstr\u00f6m, M., Hammar, L-\u00c5. (2010) The influence of the counter-ions to the charged groups on the refinability of never-dried bleached pulps. Bioresources 5:2751\u20132764.","DOI":"10.15376\/biores.5.4.2751-2764"},{"key":"2023012402374096718_j_hf-2016-0205_ref_001_w2aab2b8d142b1b7b1ab2b1b2Aa","doi-asserted-by":"crossref","unstructured":"Bikova, T., Klevinska, V., Treimanis, A. (2000) Monitoring of lignin and hemicelluloses in spent cooking liquor during kraft delignification. Holzforschung 54:66\u201370.","DOI":"10.1515\/HF.2000.010"},{"key":"2023012402374096718_j_hf-2016-0205_ref_002_w2aab2b8d142b1b7b1ab2b1b3Aa","unstructured":"Clark, J de \u00c1. Pulp Technology and Treatment for Paper. 2nd edition, Miller Freeman Publ. 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