Urea-formaldehyde resin (UF resin) ndi zomatira za polima za thermosetting. Amagwiritsidwa ntchito m'magawo ambiri chifukwa cha zopangira zake zotsika mtengo, mphamvu zomangirira kwambiri, zabwino zopanda mtundu komanso zowonekera. Zotsatirazi ndi gulu la ntchito zake zazikulu: 1. Artificial board an...
Ma aliases a mankhwala a polyformaldehyde ndi formaldehyde olimba, paraformaldehyde, polyformaldehyde, polymerized formaldehyde, etc. Ikhoza kuchitapo kanthu ndi mitundu yosiyanasiyana ya mankhwala, monga phenols, amines ndi amino mankhwala kuti apange resins. Aojin Chemical amagulitsa polyformaldehyd...
Melamine urea-formaldehyde utomoni ndi condensation product of reaction between formaldehyde, urea and melamine. Ma resinswa achulukitsa kukana kwa madzi ndi nyengo, kuwapangitsa kukhala oyenera kupanga mapanelo oti agwiritse ntchito panja kapena chinyezi chambiri. Izi ndi ...