Tag: Polyurethane ntụ ntụ mkpuchi
Teknụzụ mkpuchi mkpuchi polyaspartic
Chemistry na-adabere na mmeghachi omume nke aliphatic polyisocyanate na ester polyaspartic, nke bụ diamine aliphatic. A na-eji teknụzụ a na mbụ mee ihe n'ụdị mkpuchi mkpuchi polyurethane ihe mgbaze nke abụọ n'ihi na polyaspartic esters bụ ezigbo ihe na-emeghachi omume maka akwa polyurethane siri ike. ester bụ isi ihe na-emekọ ihe maka mmeghachi omume na polyisocyanate. The pụrụ iche naGỤKWUO …
Kedu ihe bụ mkpuchi mkpuchi polyurea na mkpuchi polyurethane
Polyurea mkpuchi na Polyurethane mkpuchi Polyurea mkpuchi Polyurea bụ isi usoro ihe mejupụtara abụọ dabere na Amine kwụsịrị prepolymer crosslinked na Isocyanate nke na-eme njikọ urea. Njikọta n'etiti polymers na-emeghachi omume na-ewere ọnọdụ n'ọsọ ọsọ na ọnọdụ okpomọkụ. Dị ka ọ na-adịkarị, mmeghachi omume a anaghị achọ ihe mkpali ọ bụla. Ebe ọ bụ na Pot-ndụ nke mkpuchi dị otú ahụ bụ n'ime sekọnd; ụdị Plu pụrụ icheral Akụrụngwa ịgba egbe a chọrọ iji mepụta ngwa. The mkpuchi nwere ike iru 500 kaGỤKWUO …
Kedu ihe bụ polyurethane na-agwọta mmiri
Kedu ihe bụ mmiri na-agwọ polyurethane mmiri na-agwọta polyurethane bụ otu akụkụ polyurethane nke ọgwụgwọ ya bụ mmalite mmiri mmiri gburugburu. Polyurethane nke nwere ike ịgwọ mmiri bụ nke kachasị nke isocyyanate-akwụsị tupu-polymer. Enwere ike iji ụdị pre-polymer dị iche iche nye ihe onwunwe achọrọ. Dịka ọmụmaatụ, a na-eji polyether polyols nke isocyanate kwụsịrị iji nye mgbanwe dị mma n'ihi ọnọdụ mgbanwe iko ha dị ala. Ijikọta akụkụ dị nro, dị ka polyether, na akụkụ siri ike, dị ka polyurea, na-enye ezigbo ike na mgbanwe nke mkpuchi. Ọzọkwa, a na-achịkwa ihe ndị ahụGỤKWUO …
Atumatu abuo maka imebe mkpuchi nwere oke nguzogide mar
Enwere atụmatụ abụọ dị maka imepụta mkpuchi nwere nguzogide mar pụrụiche. Enwere ike mee ka ha sie ike nke ọma ka ihe ahụ na-alụ ọgụ adịghị aba n'ebe dị anya n'elu; ma ọ bụ enwere ike mee ka ha na-agbanwe nke ọma ka ọ gbakee ka ewepụsịrị nchekasị ahụ. Ọ bụrụ na ahọpụtara atụmatụ siri ike, mkpuchi ahụ ga-enwerịrị ike siri ike. Otú ọ dị, mkpuchi dị otú ahụ nwere ike ịda site na mgbaji. Mgbanwe ihe nkiri bụ ihe dị mkpa na-emetụta nkwụsị mgbawa. Iji 4-hydroxybutyl acrylate kamaGỤKWUO …