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22 articles for “urea”
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Effect of Addition of Phosphates on Thermal, Physical and Mechanical Properties of Phenolic and Amino Bonded Wood Composite
Abstract: Properties of flame retardant molecule board made by treating the molecule (crowded deltoids) with mono ammonium hosphate/diammonium phosphate (MAP/DAP) creation were examined. Two convergences of (0, 1, and 2%) of flame retardants ere joined to the particles on broiler dry weight of the particles. Melamine Urea Formaldehyde tar (MUF) and phenol formaldehyde pitch (PF) were utilized to produce the exploratory boards. The fire retardancy and warm strength of the composites …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 1, 2016 · pp. 8–14 Read article
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Green Adhesive—Using Glyoxalated Lignin and Hydrogenated Resin as Ecologically Safe Wood Adhesive for Interior Plywood
Abstract: Petroleum-based adhesive such as urea formaldehyde and phenol formaldehyde resin dominates adhesive market which releases formaldehyde and VOC to the environment. The purpose of this study is to develop an adhesive based on isocyanate in combination with compounds from renewable sources like lignin, protein and starch. Adhesive formulation was developed by incorporation of hydrogenated resin, corn starch/PVOH emulsion with glyoxalated lignin (GL) and evaluation properties of the adhesive with plywood …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 · pp. 23–27 Read article