Aim of study: The objectives of this research were to determine the effectiveness of melamine impregnated paper (MIP) waste as an adhesive in the particleboard manufacturing and effects of the MIP waste using as an adhesive on the some technological properties of particleboard.Area of study: To determine the mechanical, physical and formaldehyde content of particleboards manufactured with different resins (MIP waste, neat MIP resin).Material and Methods: In this study, particleboards were produced with utilizing MIP waste and neat MIP resin. No additional adhesive was used for MIP waste. Two different types of mixture of Turkish red pine (90%) and poplar wood (10%) particles (fine and coarse) were used. Eight different particleboard groups and three particleboards with three layers (two surface layers and one core layer) were manufactured for each group in hot press. Main results: As results of this study, amount of adhesives had significant effect on panel properties. With the increasing of both adhesive rates (MIPW and neat MIP resin), mechanical and physical properties of particleboard were improved. However, formaldehyde content values were worsen with the increasing of both adhesive rates. The best result for MIPW and neat MIP resin were obtained when highest rates of them (25% and 13%, respectively) were used.Research highlights: Particleboards were successfully manufactured with using of the MIP waste as adhesive. Although the MIPW (25%) boards were provided lower mechanical and physical values than neat MIP resin (13%) boards, they were satisfied the most of standard requirements.Keywords: Melamine impregnated paper waste, neat MIP resin, urea formaldehyde and melamine formaldehyde, mechanical, physical and formaldehyde content of particleboards. Yongalevha Üretiminde Melamin Emprenye Kağıt Atıklarının Tutkal Olarak Etkinliği ÖzÇalışmanın amacı: Yongalevha üretiminde melamin emdirilmiş kağıt (MEK) atıklarının tutkal olarak etkinliğinin ve MEK atıklarının tutkal olarak kullanılmasının yongalevhaların bazı teknolojik özellikleri üzerinde ki etkilerinin belirlenmesi amaçlanmıştır.Çalışma alanı: MEK atıkları ve saf MEK tutkalı kullanılarak üretilen yongalevhaların mekanik, fiziksel ve formaldehit emisyonu özelliklerinin belirlenmesidir.Materyal ve Yöntem: Bu çalışmada MEK atıkları ve saf MEK reçinesi yongalevha üretiminde tutkal olarak kullanılmıştır. MEK atıklarına ilave olarak tutkal kullanılmamıştır. İki farklı tipte (kaba ve ince) kızılçam (%90) ve kavak (%10) yonga karışımları kullanılmıştır. 8 farklı yongalevha grubu oluşturulmuştur. Her bir grup için 3 tabakalı (iki yüzey ve bir orta tabaka) 3 adet yongalevha tam otomatik sıcak pres kullanılarak üretilmiştir.Sonuçlar: Çalışmanın sonucu olarak, tutkal miktarının yongalevha özellikleri üzerinde önemli derecede etkili olduğu belirlenmiştir. Her iki tutkal miktarının (MEK atıkları ve saf MEK reçinesi) artması ile mekanik ve fiziksel özelliklerinin iyileştiği, bunun yanı sıra formaldehit emisyon değerlerinin ise kötüleştiği belirlenmiştir. En iyi sonuçlar M...
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