MOKUZAI HOZON (Wood Protection)
Online ISSN : 1884-0116
Print ISSN : 0287-9255
ISSN-L : 0287-9255
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Volume 15, Issue 6
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1989 Volume 15 Issue 6 Pages 248-260
    Published: November 25, 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.248
    JOURNAL FREE ACCESS
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  • On the Practical Use of Micro-emulsified Metal Naphthenate.(1)
    The efficacy of the metal naphthenates as the wood preservatives in pressure treatment
    Takatsune TAKEUCHI, Hiroshi MATSUSAKA, Tomonori KOBAYASHI, Shinichi AK ...
    1989 Volume 15 Issue 6 Pages 261-272
    Published: November 25, 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.261
    JOURNAL FREE ACCESS
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    Copper naphthenate and zinc naphthenate are wood preservatives which have been used with organic solvent for a long time.
    The authors examined the efficacy of the micro-emulsified metal naphthenates as the wood preservatives in pressure-treatment according to JWPA and JIS standards.
    The results were summerized as follows.
    1. The efficacy of wood preservatives against decay and termite attack, the amounts of iron corrosion and hygroscopicity of preservatives and field test results for 2 years adapted to the requirement of JWPA or JIS standards under tested concentration.
    2. The average amount of preservatives absorbed were 209-460 kg/m3 with TOYOSOL CU and 116-336 kg/m3 with TOYOSOL ZN by pressured application which were indicated a good preserving performance against decay and termite attack. In surface layer (1 cm in the groundsill depth) the penetration of preservatives was showed 100%. These groundsills were found to be the same permiable degree as CCA treated groundsills.
    3. The emulsion of these preservatives showed good stalling without being a affected by iron ion or wood sawdust.
    4. The contents of the active ingredient in the treated wood and the emulsified preservatives were easily assayed by atomic absorption spectroscopy. Also, penetration of the preservatives into groundsills was easily detected by coloring with 0.1% dithizon-trichloroethylene solution.
    In conclusion, TOYOZOL CU and TOYOZOL ZN were shown to be good preservatives for pactical use.
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    1989 Volume 15 Issue 6 Pages 273-278
    Published: November 25, 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.273
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    1989 Volume 15 Issue 6 Pages 279-284
    Published: November 25, 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.279
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1989 Volume 15 Issue 6 Pages 285-287
    Published: November 25, 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.285
    JOURNAL FREE ACCESS
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  • ERRATUM
    1989 Volume 15 Issue 6 Pages 301a
    Published: 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.6_301a
    JOURNAL FREE ACCESS
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  • ERRATUM
    1989 Volume 15 Issue 6 Pages 301b
    Published: 1989
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.15.6_301b
    JOURNAL FREE ACCESS
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