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Investigation of lignification and paper making characteristics of populus deltoids col. 77.51 grown under 3 rotation

Taḥqīqāt-i ʻulūm-i chūb va kāghaz-i Īrān, 2002-07, Vol.7 (16- شماره 293), p.1-28 [Peer Reviewed Journal]

ISSN: 1735-0913 ;EISSN: 2383-112X ;DOI: 10.22092/ijwpr.2002.117513

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  • Title:
    Investigation of lignification and paper making characteristics of populus deltoids col. 77.51 grown under 3 rotation
  • Author: Abbas Fakhryan roghani ; Abdolrahman Hosseinzadeh ; Fardad Golbabaei ; Hossein Hosseinkhani
  • Subjects: BURST INDEX ; KRAFT PROCESSI ; POPULUS DELTOIDES ; TEAR INDEX ; YIELD AND KAPPA NUMBER
  • Is Part Of: Taḥqīqāt-i ʻulūm-i chūb va kāghaz-i Īrān, 2002-07, Vol.7 (16- شماره 293), p.1-28
  • Description: Three 4,6 and 12 years old populus deltoides trees were randomly selected and felled from the Safrabasteh Research Station located in Gilan province. Samples were transferred to the Wood chemistry and Paper Making of Research Institute of Forest and Rangelands. By using of kraft processing, percentage of sulfidity rate of %25, and the temperature of 165°C a addition to modification of effective alkali, up to 14%, 17%, 20% and cooking time at maximum temperature of 60 min., 120 min., 180 min., with a rate of liquide to lignocellulosics malerial equivalent at 5/1 (L/W).Average of yield and kappa number of pulps was measured between 43.83-2.20 and 14.85-30.48 respectively.Pulps were refined up to the freness degree of 350, 400 and 450 c.s.f for 14% effective alkali and 350 c.s.f. for 20% effective alkali. The mechanical properties of 60 grams hand-made papers include breaking length, burst Index, tear Index and folding were also measured.
  • Publisher: Regional Information Center for Science and Technology (RICeST)
  • Language: Persian
  • Identifier: ISSN: 1735-0913
    EISSN: 2383-112X
    DOI: 10.22092/ijwpr.2002.117513
  • Source: Open Access: DOAJ Directory of Open Access Journals
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