PENGARUH MELAMIN DALAM PEREKAT UREA FORMALOEH IDA TERHADAP BEBERAPA SIFAT KAYU LAPIS MERANTI The (lffect of melamine composition in urea formaldehyde resin glue on the properties of merenti plywood

Rodjak Memed (pusat penelitian dan pengembangan hasil hutan)

Jurnal Penelitian Hasil Hutan
Vol 8, No 1 (1990): Jurnal Penelitian Hasil Hutan

The "fiy1iialal'ld :chemical properties of  urea formaldehyde resin were tested  based on the Indonesian Standard. which cO'nlittfl)t appearatlceipropertie1, pH, tree fOrmaldehyde, solid content and pot'~llfe. TM   re.ult 1hou>s that most of the prripertiu    co11form,fbith.  the  nanclard :                                                                                                                                      .                                                        .                                             'n.w:addinon.  1 scent '.melamine  qnd ao ~rcent   extender 1'r:Oduces plywood  with formAlile1&yde emwionmeetini the J 981. American 1tanclqrd.  The effect of melamine addition toat not signi(tt:ant.The effect of extender on theother htind 1uu•iiwhJ1.  1igni'(ieant'effect  on the ilecr:ea_1e of formaldehyde emiaion tn  plywood.          Allplytt;ooli bonittir; 1tren,.th meet the Indonesian, Japaneseand German standard. The effect of melamine addition of lO dd  16 enton      thplywood   bonding atrength' was not significant.