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Urea-formaldehyde (UF), also known as urea-methanal, so named for its common synthesis pathway and overall structure, [1] is a nontransparent thermosetting resin or polymer. It is produced from urea and formaldehyde. These resins are used in adhesives, plywood, particle board, medium-density fibreboard (MDF), and molded objects.
Urea-formaldehyde insulation releases poisonous formaldehyde gas, causing indoor air quality problems. The chemical bond between the urea and formaldehyde is weak, resulting in degradation of the foam cells and emission of toxic formaldehyde gas into the home over time. Furthermore, some manufacturers used excess formaldehyde to ensure chemical ...
Arkema S.A. is a publicly listed, multi-national manufacturer of specialty materials, headquartered in Colombes, near Paris, France. It has three specialty materials segments (or divisions); adhesives, advanced materials and coatings. A further segment covers chemical intermediates. [2]
Urea-formaldehyde (UF) Phenol formaldehyde (PF) See also. Formaldehyde (disambiguation) This page was last edited on 26 December 2024, at 19:48 (UTC). Text is ...
(The Center Square) – Texas has filed a lawsuit against several large chemical companies alleging they manufacture toxic forever chemicals used in products marketed as safe for families. Texas ...
Urea-formaldehyde is more toxic and should be avoided in home use. Phenol-formaldehyde products are considered to be relatively hazard free. Some newer types of OSB, so-called "new-generation" OSB panels, use isocyanate resins that do not contain formaldehyde and are considered nonvolatile when cured. [ 13 ]
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Wastewater plants are failing to remove a group of potentially toxic chemicals before pumping treated water into rivers and lakes — and climate change may be making the situation even worse, a ...