搜索结果: 1-6 共查到“林业工程 Formaldehyde”相关记录6条 . 查询时间(0.065 秒)
Low-formaldehyde?emission composite particleboard manufactured from waste chestnut bur
Chestnut bur Composite particleboard Formaldehyde Polyphenol
2023/12/21
Chestnut bur is an agro-waste material generated in the chestnut production. It is a tannin-rich lignocellulosic material which might be a promising raw material for low-formaldehyde?composite particl...
On the Development of Phenol-Formaldehyde Resins Using a New Type of Lignin Extracted from Pine Wood with a Levulinic-Acid Based Solvent
bio-resins phenolic resins levulinic acid lignin lignocellulosic waste resole resins
2023/12/1
Resole resins have many applications, especially for foam production. However, the use of phenol, a key ingredient in resoles, has serious environmental and economic disadvantages. In this work, ligni...
Determination of free formaldehyde released in wood-based material
formaldehyde wood-based material free formaldehyde release perforator mathod chamber method
2009/11/25
The quantity of free formaldehyde in wood products in spite of low values is still the subject of constant supervision and also the subject of new investigations. Despite numerous methods developed an...
Effects of Ozonization on the Durability of Fiberboard Bonded with Isocyanate Resin and Phenol Formaldehyde Resin
Fiberboard poly-methylene diphenyl diisocyanate durability acetylation ozone
2010/3/4
Untreated fibers and acetylated fibers were ozonized and used to make fiberboards. The effect of ozonization on the durability of the boards bonded with poly-methylene diphenyl diisocyanate (PMDI) and...
Measurement of Aldehyde and VOC Emissions from Plywood of Various Formaldehyde Emission Grades
aldehyde VOC emission small chamber method plywood
2009/3/6
Aldehydes and volatile organic compounds (VOCs) emission from plywood of various formaldehyde emission grades were measured using a small chamber method (JIS A 1901). The effect of the formaldehyde em...
Effects of Various Treatments for Improving Bondability on the Properties of Fiberboard Bonded with Phenol Formaldehyde Resin
fiberboard phenol formaldehyde resin acetylation penetration
2009/3/5
In order to improve the bonding of fiberboard, the penetration of phenol formaldehyde (PF) resin was prevented. The means of preventing penetration were acetylation of wood fibers and the addition of ...