A new generation product made from bamboo strips, known as laminated bamboo, has gained importance. The objective of this research was to experiment the effect of three factors on the mechanical property of laminated bamboo. The interested factors for experimental design were (A) four bamboo species, namely Bambusa blumeana Schultes (Pai See Suk), Dendrocalamus asper Backer (Pai Tong), Dendroca...

Attempts were made to assess the role of thiols and to determine the cathepsins involved in the degradation of serum albumin in mouse liver and kidney lysosomes. Unlike cysteine or beta-mercaptoethanol, reduced glutathione (GSH) did not stimulate the degradation of formaldehyde-treated albumin in liver lysosomes, suggesting that the tripeptide did not penetrate the membrane. However, GSH was a ...

Lignocellulosic fibers have received much more attention than ever before from the research community all over the world during the past few years because of their enormous advantages. A study on the preparation of new series of polymer composites using Pine Needles as a reinforcing material in Urea Formaldehyde resin has been made. Mechanical properties of intimately mixed particle reinforced ...

In this study, the effects of various boron compounds on the termite resistance of MDF panels were evaluated. Either borax (BX), boric acid (BA), zinc borate (ZB), or sodium perborate tetrahydrate (SPT) were added to urea-formaldehyde (UF) resin at target contents of 1%, 1.5%, 2% and 2.5% based on dry fiber weight. The panels were then manufactured using 12% urea-formaldehyde resin and 1% NH(4)...

Portions of a 1251-iodinated bovine serum albumin preparation were exposed to freezing, acetic acid (pH 3.5, 3.0 or 2.5), urea or formaldehyde, and the effect of these treatments on the rates of pinocytic uptake by yolk sacs from 17.5-day-pregnant rats cultured in vitro and of clearance from the rat bloodstream were studied. Uptake of albumin by the yolk sac was followed by rapid release-of ['2...

Urea formaldehyde resins were formulated with vatiables of three reaction pHs (1.0, 4.8, and 8.0 5.0) and three catalysts (sodium hydroxide, sodium hydroxide/ammonium mix, and triethanolamine) . The resins were prepared by placing all formaldehyde and water in reaction kettle and pH was adjusted with sulfnric acid and sodium hydroxide, respectively. Urea was added in 1.5 equal parts at 1 minute...

Urea-formaldehyde prepolymer and hot-press drying were used to improve the properties of poplar wood. The wood was impregnated with the prepolymer using a pulse-dipping machine. The impregnated timbers were compressed and dried by a multilayer hot-press drying kiln. The drying rate was more rapid during the chemical modification and hotpress drying than conventional kiln-drying. In addition, th...

EIn order to reduce formaldehyde emissions, an experimental investigation of lightweight flax shives based particleboards, prepared using two different binders: bio-based lignin (lignosulfonate) and partially epoxy resin (greenpoxy 56), was undertaken. The particleboards (with a target density 500 kg/m³), were elaborated by thermo-compression process 20 wt% binder content. directly valorised as...

Sesame cake and meal, byproducts of the sesame oil process industry mainly used as feed fertilizer, are often not optimally utilized wasted when material could be a high-quality protein source. This research primarily emphasizes preparation protein-based adhesive with urea glyoxal modification to use wood adhesive. The performance characterization modified (USP GUSP, respectively) were measured...