Results 91 to 100 of about 172,368 (214)

Structural and mechanical characterization of twenty glulam combinations

open access: yesColombia Forestal, 2013
In this study, we evaluated the efficacy of four adhesives in the mechanical behavior of glulam on five species that are commercially utilized in Colombia (Acacia mangium Willd., Campnosperma panamense Standl., Gmelina arborea Roxb., Eucalyptus ...
Francia Nataly López Yela   +2 more
doaj   +1 more source

Effect of Sepiolite Filler in Malamine-Urea-Formaldehyde Resin on the Properties of Three-ply Plywood

open access: yesBioResources, 2015
A low-cost sepiolite (SEP) was used to replace wheat flour (WF) as a filler applied to melamine-urea-formaldehyde (MUF) resin. Three-ply plywood was fabricated with different SEP/WF formulations, and its wet shear strength and formaldehyde emission were ...
Xiaona Li   +3 more
doaj   +1 more source

Preparation, molecular weight determination and structure elucidation of melamine-urea formaldehyde, melamine-methylurea-formaldehyde and melamine-dimethylurea-formaldehyde polymer resins with IR spectroscopy

open access: yes, 2004
1696-1700Melamine-urea- formaldehyde (MUF), melamine- methylureaformaldehyde (MMUF) and melamine-dimethylurea-formaldehyde (MDUF) resins/polymers have been prepared by condensation polymerization.
Singh, Man
core  

Molecular structure of melamine-formaldehyde impregnation resins

open access: yes, 2022
Technical melamine-formaldehyde (MF) impregnation resins were investigated by 1H-NMR-spectroscopy (1H-NMR), gel permeation chromatography (GPC), gas chromatography (GC), rheology, and chemical analysis.
Grunwald, D.
core  

THE EFFECTS OF BORON COMPOUNDS AND DIFFERENT MELAMINE CONTENTS IN MUF RESINS ON SOME PROPERTIES OF MDF PANELS

open access: yesBioResources, 2011
The objective of this study was to determine the effects of some boron compounds, which have fire retardant properties, as well as melamine-urea-formaldehyde (MUF) resins having different melamine contents (10%, 15%, and 20%) on some physical and ...
Derya Ustaomer,, Mustafa Usta
doaj  

Comparison of Urea Formaldehyde, Melamine Formaldehyde, Glyoxal and Latex in Improving the Water Resistance of the Starch Coatings

open access: yes, 1976
Several coatings colors were prepared and applied. The coated sheets were tested with great emphasis on keeping the conditions constant throughout the course of the experimental work. The study utilized several types of insolubilizers: urea formaldehyde,
Kim, Tran Trong
core  

Some mechanical properties of plywood produced from eucalyptus, beech, and poplar veneer

open access: yesMaderas: Ciencia y Tecnología, 2014
In this study, we determined the flexural properties and tensile shear strength of five-ply plywood panels produced with eucalyptus (Eucalyptus grandis), beech (Fagus orientalis), and hybrid poplar (Populus x euramericana) using urea-formaldehyde (UF ...
Bekir Cihad Bal, İbrahim Bektaş
doaj  

Release of Melamine and Formaldehyde from Melamine-Formaldehyde Plastic Kitchenware

open access: yes, 2020
The release of melamine and formaldehyde from kitchenware made of melamine resins is still a matter of great concern. To investigate the migration and release behavior of the monomers from melamine-based food contact materials into food simulants and ...
Ingo Ebner   +5 more
core   +1 more source

Preparation and mechanical characterization of particleboard made from maritime pine and glued with bio-adhesives based on cornstarch and tannins

open access: yesMaderas: Ciencia y Tecnología, 2014
In this presented work, we describe the development and characterization of a new, environmentally friendly adhesive derived from cornstarch and tannins.
Amine Moubarik   +4 more
doaj  

Study on the possibility of using bagasse in manufacture of sound-proof particleboard [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2012
Acoustic properties of composite boards made out of bagasse were studied in this research. Urea-formaldehyde (UF) and melamine-urea-formaldehyde (MUF) adhesives were used to produce homogeneous as well as three-layered insulating boards with three ...
Kazem D.Hosseini, Abdollah Elyasi
doaj  

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