Producing of particleboard from prune Sophra Japonica L .and Determination of its physical and mechanical properties

The research was conducted in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty in thee laboratories of the Faculty Agricultural Engineering Agricultural Engineering Agricultural Engineering Agricultural Engineering and laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascusand laboratories of biotechnology in Damascus during 2020during 2020during 2020during 2020during 20202021 - , Pruning runing waste Sophora Sophora japonica L were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardL were used in the manufacture of eight models particleboardDifferent in size ofDifferent in size ofDifferent in size ofDifferent in size ofDifferent in size ofDifferent in size of wood Particle (large , Small) (large , Small) (large , Small) (large , Small) (large , Small) (large , Small) (large , Small) , ratio adhesive used (8%,10%UF-resin) and ratio harder used (1%,2%}(NH4)2SO4{ ) ,where the tests results were compared (physical, mechanical)with European standard for each test ,then the technological (physical, mechanical) specifications of these models were studied .The results are as follows:- All results of physical (Moisture content, Density, Water absorption 2-24h, Cross-swilling 2-24h) and mechanical (Binding -Stati) tests fall within the range of European standards for acceptable values EN.- Model No.4( large Particle,10%UF-resin, 2% (NH4)2SO4 ) in the Water absorption 2-24h property, Cross-swilling 2-24h property and Binding -Stati cproperty outperformed the European standard domain by its values 24.1%, 41.13%, 8.907%, 8.677%, 5.25% Respectively.- Water absorption 2-24 h and Cross-swilling 2-24 h property are inversely proportional to the increase in wood chips size and the amount of chemicals added (UF-resin, Ammonium sulphate).- The Moisture content, the density, and the property are directly proportional to the increase in wood chips size and the amount of chemicals added (UF-resin, Ammonium sulphate).