MOKUZAI HOZON (Wood Protection)
Online ISSN : 1884-0116
Print ISSN : 0287-9255
ISSN-L : 0287-9255
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Volume 13, Issue 4
Displaying 1-5 of 5 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1987 Volume 13 Issue 4 Pages 139-150
    Published: September 25, 1987
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.13.139
    JOURNAL FREE ACCESS
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  • Durable Fire Retardant Treatment for Wood and Wood-based Materials.(1)
    Reducing Flammability of Filter Paper and Sliced Veneers Treated with Phosphoric Acid-containig Dicyandiamide-formaldehyde Condensation Products.
    Shigehisa ISHIHARA
    1987 Volume 13 Issue 4 Pages 151-166
    Published: September 25, 1987
    Released on J-STAGE: March 04, 2010
    DOIhttps://doi.org/10.5990/jwpa.13.151
    JOURNAL FREE ACCESS
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    Durable fire retardants based on phosphoric acid-containing dicyandiamide-formaldehyde condensation products (H3PO4 DFAC)were applied to filter paper and sliced veneers. Thefire retardants give clear, acidic aqueous solutions. Upon aging, these aqueous solutions transform first tohydrophilic colloid, then to water dispersible gel and finally upon drying to a water-insoluble resin.
    Fire retardant treatment is done by soaking samples in an aqueous solution of H3PO4 DFAC, drying at 105°C for 24 hours, and curing at 160°C for 30 minutes.
    In filter paper and sliced veneer test specimens treated with a solution of higher phosphoric acidmolar ratio, fire retardance is attained at lower resin add-on level than with a mixture of phosphoricacid and dicyandiamide. Satisfactory fireproofing properties can be obtained in filter paper andsliced veneers at resin add-on levels as low as 5-10%, with a few exceptions.
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  • [title in Japanese]
    [in Japanese]
    1987 Volume 13 Issue 4 Pages 167-173
    Published: September 25, 1987
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.13.167
    JOURNAL FREE ACCESS
    Download PDF (2847K)
  • [title in Japanese]
    [in Japanese]
    1987 Volume 13 Issue 4 Pages 174-184
    Published: September 25, 1987
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.13.174
    JOURNAL FREE ACCESS
    Download PDF (3317K)
  • ERRATUM
    1987 Volume 13 Issue 4 Pages 187
    Published: 1987
    Released on J-STAGE: May 22, 2009
    DOIhttps://doi.org/10.5990/jwpa.13.4_187
    JOURNAL FREE ACCESS
    Download PDF (28K)
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