Usoro Prepolymer:
Usoro ịfụfụ nke prepolymer gụnyere na-ebu ụzọ kwadebe prepolymer site na (ihe ọcha) na (akụkụ ojii). Mgbe ahụ, a na-agbakwunye mmiri, ihe na-akpali akpali, surfactant, na ihe mgbakwunye ndị ọzọ na prepolymer ma gwakọta ya n'okpuru ọsọ ọsọ{1} na-akpali akpali iji kpalite ụfụfụ. Mgbe ọgwụgwọ gasịrị, a na-eme agadi na okpomọkụ.
Ọkara-Usoro prepolymer:
Usoro ịgbapụta ụfụfụ nke ọkara{{0}Prepolymer gụnyere ibu ụzọ akwadebe prepolymer site na akụkụ nke polyether polyol (ihe na-acha ọcha) na diisocyanate ( akụrụngwa ojii). Mgbe ahụ, a na-agbakwunye akụkụ nke fọdụrụ nke polyether ma ọ bụ polyester polyol, diisocyanate, mmiri, catalyst, surfactant, na ihe mgbakwunye ndị ọzọ wee gwakọta ya n'okpuru nnukwu ọsọ ọsọ{2} na-akpali akpali iji kpalite ụfụfụ.
Otu -Usoro ịfụ ụfụfụ:
N'ime usoro a, a na-agbakwunye polyether ma ọ bụ polyester polyol (ọcha ọcha) na polyisocyanate ( akụkụ ojii), mmiri, catalyst, surfactant, foaming agent, na ihe mgbakwunye ndị ọzọ n'otu nzọụkwụ wee gwakọta ya n'okpuru nnukwu ọkụ - na-akpalite tupu ọfụfụ.
Otu -Usoro ịfụ ụfụfụ bụ usoro a na-ejikarị eme ihe. Ụzọ ọzọ bụ akwụkwọ ntuziaka, nke kachasị mfe. Gwakọta ngwa ngwa niile nke ọma, tinye ha n'ime akpa, ma gwakọta ha ozugbo. Mgbe ahụ, wụsa ngwakọta n'ime ebu ma ọ bụ oghere ebe ọ dị mkpa ka ejupụta plastik ụfụfụ. Mara: Mgbe ị na-atụle, jide n'aka na ị ga-agbakwunye polyisocyanate (akụkụ ojii) ikpeazụ.
A na-afụ ụfụfụ polyurethane siri ike na ọnụ ụlọ okpomọkụ, usoro ịkpụzi ahụ dịkwa mfe. Dabere na ogo nke mechanization na-ewu ụlọ, enwere ike kewaa ya na ụfụfụ akwụkwọ ntuziaka na ụfụfụ ígwè; dabere na nrụgide n'oge ụfụfụ, enwere ike kewaa ya n'ime elu -nrụgide ụfụfụ na obere ụfụfụ{2}; dabere na usoro ịkpụzi, enwere ike kewaa ya ka ọ bụrụ nkedo na ịfụ ụfụfụ.