1. Nchịkọta nke urea-formaldehyde resin (UF)
Urea-formaldehyde resin, nke a na-akpọ UF, bụ nke a na-ejikarị eme ihe maka ijikọ osisi ma kwalite ngwa ngwa na mmepụta nke plywood na particleboard.
2. Àgwà
A na-ahọrọ resin urea-formaldehyde maka akụrụngwa akụrụngwa ya na ọnụ ala dị ala. Ọ nwere ezigbo nrapado, na-eguzogide acid na-adịghị ike na alkalis na-adịghị ike, ma na-egosipụta ezigbo mkpuchi ma na-eyi nguzogide. Otú ọ dị, ọ dị mkpa iburu n'obi na a na-ahapụ formaldehyde n'oge usoro ọgwụgwọ ya, na nkwụsị okpomọkụ ya na nkwụsị nke ịka nká adịghị ike.
3. Ụdị
Urea-formaldehyde resinenwere ike igosi ya n'ụdị dị iche iche dị ka resin, ntụ ntụ, osisi na nrapado iji zute ngwa dị iche iche chọrọ.
4. Usoro ọdabara
Urea-formaldehyde resin dabara maka usoro dị iche iche dị ka mkpuchi na ịkpụzi mkpakọ, na-enye nkwado maka imepụta ngwaahịa dị iche iche.
5. Ngwa
Dị ka gluu a na-ejikarị eme ihe na ụlọ ọrụ nhazi osisi.urea-formaldehyde resinA na-ejikarị osisi, plywood, laminates, na bamboo na ngwaahịa osisi jikọtara ọnụ. Dị ka ihe atụ, a na-eji ya emepụta shea nke ala ụlọ, ngwá ụlọ, igbe nkwakọba ihe, ngwá ọrụ textile, na ngwá ụlọ.
1. Mee ka mmiri na-eguzogide mmiri nke urea-formaldehyde resin adhesive: Site n'ịgbakwụnye ihe ndị na-ejikọta cross-links dị ka aluminum sulfate na aluminum phosphate, a pụrụ ime ka mmiri na-eguzogide ya dịkwuo mma.
2. Melite nguzogide ịka nká: Ịgwakọta ụfọdụ resin thermoplastic n'ime urea-formaldehyde resin adhesives nwere ike imeziwanye nguzogide ịka nká.
3. Belata ọdịnaya formaldehyde: Site n'ịgbanwe usoro nhazi, ibelata molar ratio nke formaldehyde na urea, ma ọ bụ na-agbakwunye formaldehyde scavengers (dị ka urea, melamine, wdg), nzube nke ibelata formaldehyde ọdịnaya na urea-formaldehyde resin adhesives nwere ike nweta.
Aojin Chemical na-ere akwa urea-formaldehyde resins nwere ụkpụrụ dị elu nke ngwaahịa. Nyefee na ụlọ ọrụ arịa ụlọ na ụlọ ọrụ osisi. Nweta ego kacha mma maka urea-formaldehyde resin ugbu a, kpọtụrụ Aojin Chemical ngwa ngwa!
Oge nzipu: Jun-24-2025