Polyurea bụ polymer organic nke bụ mmeghachi omume nke isocyanate na amine kwụsịrị polyether resin, na-akpụ ihe dị ka plastik ma ọ bụ roba nke na-enweghị ntụpọ.
Polyurea chọrọ ọzụzụ pụrụ iche na akụrụngwa maka ngwa ubi, ma ejiri ya dị ka ihe mkpuchi nkwonkwo ma ọ bụ dị ka ubi etinyere mkpuchi.Shundi nwere mmemme na-aga n'ihuọzụzụ ngon'ebe.Enwere ndị ntinye akwụkwọ tozuru oke na China.
Dịka iwu n'ozuzu,ShundiEnwere ike iji polyurea were nwee ihe ọ bụla enwere ike ịwesa ya ozugbo na sistemu ọwa mmiri nkịtị.Enwere ike itinye ya na ihe ọ bụla, ígwè, osisi, fiberglass, ceramics.
Shundi polyureas na-amalite ịzụlite ihe anụ ahụ ha n'ime nkeji oge nke ngwa.Polyurea gwọrọ nwere ike iguzogide okpomọkụ site na -40 ℃ ruo 120 ℃, ebe polyurea nwere nnukwu iko mgbanwe na okpomọkụ nke deflection okpomọkụ, ọ ga-ere ọkụ mgbe ọkụ kpọmkwem.Ọ ga-emenyụ onwe ya mgbe ewepụrụ ire ọkụ.Mana anyị nwekwara polyurea na-egbochi ọkụ maka ihe pụrụ iche dị ka ọwara ụgbọ oloko na ụzọ okporo ụzọ.
Polyurea nwere ike ịbụ nke siri ike ma ọ bụ dị nro dabere n'ụdị a na-emepụta na ihe eji eme ya.Ogo Durometer nwere ike ịdị site na Shore A 30 (dị nro dị nro) ruo Shore D 80 (siri ike).
N'ezie enwere ụdị abụọ dị iche iche nke sistemu polyurea aliphatic ugbu a n'ahịa.Otu bụ ahụkarị elu mgbali / okpomọkụ sprayed usoro na nke ọzọ bụ ihe a maara dị ka a "polyaspartic polyurea" ụdị usoro.Usoro polyaspartic a dị iche n'ihi na ọ na-eji akụrụngwa resin dabere na ester ma nwee ndụ ite ogologo.Enwere ike itinye ya n'aka site na iji rollers;brushes;rakes ma ọ bụ ọbụna sprayers na-enweghị ikuku.Sistemụ aspartic abụghị mkpuchi ụlọ dị elu nke sistemu polyurea "ọkụ na-ekpo ọkụ".A ghaghị ịhazi sistemu polyurea aromatic nke a na-ahụkarị site na nrụgide dị elu, nfuli ihe mejupụtara ọtụtụ ihe na-ekpo ọkụ ma fesaa ya site na ụdị ịgbasa ihe mgbochi.Nke a bụkwa eziokwu maka ụdị aliphatic nke ụdị usoro a, isi ihe dị iche bụ nkwụsi ike agba nke usoro aliphatic.
Ngwaahịa ọ bụla dị na webụsaịtị anyị nwere eserese Nguzogide Chemical n'okpuru taabụ Documents.
Otu n'ime anyịnya ọrụ ma a bịa na mkpughe kemịkalụ siri ike bụ SWD959Ọzọkwa, ọ bụrụ na ị nwere kpọmkwem kemịkalụ ị na-emekọ ihe (ma ọ bụ otu ngwa), nweere onwe gịkpọtụrụ anyịyabụ anyị nwere ike inyere gị aka ikpebi usoro kachasị mma maka mkpa gị.
Anyị nwere mkpuchi mmiri na-agwọ urethane mkpuchi na mkpuchi polyaspartic siri ike nke nwere arụmọrụ dị elu nke nguzogide kemịkalụ na ihe mgbaze, acid ma ọ bụ ihe mgbaze ndị ọzọ.Ọ nwere ike iguzogide 50% H2SO4na 15% HCL.
Ọ dabere na nhazi ahụ, ọ bụ ezie na n'ụdị Shundi, polyurea agaghị adalata mgbe ọ gwọchara ya.
Otú ọ dị, nke a bụ ajụjụ dị mma ịjụ onye ọ bụla ị họọrọ ịzụta ihe n'aka - ihe onwunwe gị ọ na-adaba ma ọ bụ na ọ bụghị?
Anyị nwere ngwaahịa zuru oke maka ụdị ngwa a, SWD9005, anwalela ngwaahịa a n'ọtụtụ ebe na ụlọ ọrụ Ngwuputa, ma na-arụ ọrụ mgbe niile n'elu atụmanya.
Maka ngwa imikpu / nchara, buru n'uche na PUA (polyureas) na epoxy abụghị otu.Ha abụọ bụ nkọwa teknụzụ / ụdị ngwaahịa.Sistemu PUA na-arụ ọrụ nke ọma maka imikpu, mana a ga-ahazirịrị ha nke ọma maka ngwa ahụ.
Ọ bụ ezie na sistemụ epoxy siri ike karịa, sistemu PUA nwere mgbanwe dị elu yana ọnụego mbelata dị ala maka sistemu edoziri nke ọma.PUA bụkwa ngwa ngwa ịlaghachi na ọrụ n'ozuzu - polyurea na-agwọta n'ime awa ole ma e jiri ya tụnyere ụbọchị (ma ọ bụ mgbe ụfọdụ izu) maka epoxies.Otú ọ dị, nnukwu nsogbu na ụdị ọrụ a na ihe ndị na-emepụta ígwè bụ na nkwadebe elu dị oké mkpa.A ghaghị ime nke a nke ọma / kpam kpam.Nke a bụ ebe ọtụtụ nwere nsogbu mgbe ha na-agbalị ụdị ọrụ a.
Lelee anyịNgwaibe ikpemaka profaịlụ na nke a na ọtụtụ ụdị ngwa ndị ọzọ.
N'ozuzu, ezigbo mma 100% acrylic latex agba na-arụ ọrụ nke ọma karịa polyurea fesa.Ọ na-akacha mma ịkwanye polyurea (n'oge na-adịghị anya) n'ime awa 24 nke ngwa ngwa.Nke a na-akwalite adhesion kacha mma.A na-atụ aro akwa mkpuchi mkpuchi polyaspartic uv ka ọ were ihe karịrị polyurea maka mgbochi ịka nká na nguzogide ihu igwe.