Izindaba

ukugqoka irabha okune-chlorine

Ngokuthuthuka okuqhubekayo kwezinga lomnotho laseShayina, intuthuko yemboni yemishini iyashesha futhi ishesha, futhi insimu yezinto zokulwa nenkohlakalo ezidingekayo embonini yemishini nayo iholele esikhathini esiphezulu sentuthuko. Inani elikhulu lemikhiqizo yokulwa nokugqwala esezingeni eliphezulu yaqala ukufakwa emakethe. Ingubo yerabha ene-chlorine iye yaqashelwa iningi labasebenzisi ngokusebenza kwayo okuhle kakhulu futhi ivelele emncintiswaneni omkhulu wemakethe. Kusukela ngawo-1960, izambatho zerabha ezine-chlorine ziye zasetshenziswa kabanzi ekwakheni imikhumbi, ezitsheni, ezindaweni zokugcina amanzi, ekwakhiweni kwe-petrochemical kanye namandla njengengubo esekela ukubola kwamazinyo, futhi idlala indima ebalulekile enkambisweni yentuthuko yezomnotho.
Idatha efanele ikhombisa ukuthi izembozo zerabha ezifakwe i-chlorine zibiza amaphesenti amabili kuya kwamathathu kuphela emakethe yezembozo ezilwa nokugqwala iyonke. Abasebenzisi abaningi abanalo ulwazi olujulile lwezembozo zerabha ezilwa nokugqwala ezifakwe i-chlorine, ikakhulukazi inani elincane labakhiqizi ukuze baphishekele izintshisekelo zezomnotho, kanye nezinye izakhi ze-chlorine ezishibhile ezithatha indawo yezingxenye ezivamile zezembozo zerabha ezifakwe i-chlorine, okuphazamisa imakethe, kodwa futhi kuthinte ukuthuthukiswa kwezembozo zerabha ezifakwe i-chlorine. Ukuze kuthuthukiswe ukuqonda kweningi labasebenzisi bezembozo ezilwa nokugqwala bezembozo zerabha ezifakwe i-chlorine, kukhuthazwe ukukhuthazwa nokusetshenziswa kwezembozo zerabha ezifakwe i-chlorine, futhi kuthuthukiswe izinga lokuthuthukiswa kwemboni yezembozo yaseShayina, manje umbhali ngokusekelwe ocwaningweni lwesikhathi eside, izakhiwo eziyisisekelo zezembozo zerabha ezifakwe i-chlorine, ukuhlukaniswa, ukusetshenziswa nokunye okuqukethwe kwethulwa, ngethemba lokusiza iningi labasebenzisi bezembozo ezilwa nokugqwala.

Ukubuka konke kokumbozwa kwerabha okune-chlorine

Isembozo serabha esine-chlorine senziwe nge-resin yerabha ene-chlorine ekhiqizwa irabha yemvelo noma irabha yokwenziwa njengezinto zokusetshenziswa njenge-matrix resin, bese kuba nezinto ezihambisanayo kanye nezinyibilikisi. I-resin yerabha ene-chlorine ine-saturation ephezulu yama-molecule, ayikho i-polarity ecacile yezibopho zama-molecule, isakhiwo esivamile kanye nokuqina okuhle kakhulu. Ngokombono wokubukeka, i-resin yerabha ene-chlorine iyi-white powder eqinile, ayinabo ubuthi, ayinambitheki, ayinakucasuka. Isembozo serabha esine-chlorine singasetshenziswa kalula, ngezinhlelo zokusebenza ezahlukahlukene, futhi singasetshenziswa ngemibala ehlukahlukene njenge-primer, upende ophakathi noma upende ophezulu. Phakathi kwazo, esetshenziswa kakhulu isetshenziswa njenge-topcoat yokufanisa izembozo. Ngokushintsha i-resin yerabha ene-chlorine nezinye izi-resin, izakhiwo ezahlukahlukene zingatholakala noma zithuthukiswe ukuze kufezwe umphumela omkhulu wokumboza.

izakhiwo zokugqoka irabha ene-chlorine

1. Izinzuzo zopende werabha one-chlorine

1.1 Ukumelana okuhle kakhulu okuphakathi kanye nokumelana nesimo sezulu
Ngemva kokwakheka kwengubo yerabha ene-chlorine, izibopho zama-molecule ze-resin esendlaleloni yopende ziyahlanganiswa ngokuqinile, futhi isakhiwo sama-molecule sizinzile kakhulu. Ngenxa yalesi sizathu, ungqimba lopende lwe-resin yerabha ene-chlorine lunokumelana okuhle nesimo sezulu kanye nokumelana okuhle kakhulu namanzi, i-asidi, i-alkali, usawoti, i-ozone kanye nezinye izinto. Ukugeleza kwamanzi negesi kungamaphesenti ayishumi kuphela kwalokho kwezinto ze-alkyd. Ngokombono weminyaka eminingi yokusetshenziswa, ungqimba lopende lwerabha ene-chlorine lunokumelana okunamandla nezinyibilikisi ze-aliphatic, uwoyela ocwengekile kanye namafutha okugcoba, futhi lungasetshenziswa ekwelapheni isikhunta ezindaweni ezinomswakama, futhi ukumelana nokusikwa kwe-cathode kuphakeme kakhulu.
1.2 Ukunamathela okuhle, ukuhambisana kahle nezinye izinhlobo zokumboza
Isembozo senjoloba eluhlaza esisetshenziswa njenge-primer sinokunamathela okukhulu ezintweni zensimbi. Njengopende ophezulu, upende ophakathi ungasetshenziswa nge-epoxy resin, i-polyurethane nezinye izinhlobo ze-primer, umphumela uphakeme kakhulu. Isembozo senjoloba esine-chlorine kulula ukusilungisa, ungasebenzisa isembozo senjoloba esine-chlorine ukuze upende kabusha, ungasebenzisa ne-acrylic, isembozo esisekelwe ku-solvent kanye nazo zonke izinhlobo zesembozo esilwa nokungcola ukuze kulungiswe ukuxubha.
1.3 Ukwakhiwa okulula nokulula
Ingubo yerabha ene-chlorine iyingubo yengxenye eyodwa, isikhathi sokwakheka kwefilimu sifushane kakhulu, isivinini sokwakha siyashesha. Izidingo zokushisa kokwakhiwa kwengubo yerabha ene-chlorine zibanzi kakhulu, futhi zingakhiwa kusukela kuma-degrees angu-5 kuya kuma-degrees angu-40 ngaphezu kwezinga. Inani le-diluent elingeziwe ngesikhathi sokwakha lincane kakhulu, futhi ngisho ne-diluent engangezwa, okunciphisa ukuguquguquka kwezinyibilikisi eziphilayo futhi inokusebenza okuhle kwemvelo. Ingubo yerabha ene-chlorine ingasetshenziswa ngqo ebusweni bamalungu ekhonkrithi, futhi inokumelana okuhle kwe-alkali. Uma isetshenziswa emisebenzini yomugqa wokuhlanganisa, indlela "emanzi ngokumelene nokumanzi" ingasetshenziswa ekufutheni, ithuthukisa kakhulu ukusebenza kahle kokukhiqiza.

2. Amaphutha kanye nokushiyeka kokumbozwa kwerabha okune-chlorine

2.1 Ukugqoka irabha ene-chlorine umbala omnyama, ukukhanya okuncane, kulula ukumunca uthuli, umbala awuhlali isikhathi eside, awukwazi ukusetshenziselwa upende wokuhlobisa;
2.2 Ukumelana nokushisa kwesembozo kuzwela kakhulu emanzini. Ezindaweni ezinomswakama, ukumelana nokushisa kwehla kakhulu. Izinga lokushisa lokubola kokushisa endaweni eyomile lingu-130 ° C, kanti izinga lokushisa lokubola kokushisa endaweni enomswakama lingu-60 ° C kuphela, okuholela endaweni yokusetshenziswa okulinganiselwe kwesembozo senjoloba esine-chlorine, futhi izinga lokushisa eliphezulu lokusetshenziswa endaweni alikwazi ukudlula u-70 ° C.
2.3 Upende werabha one-chlorine unokuqukethwe okuphansi okuqinile kanye nobukhulu befilimu encane. Ukuqinisekisa ubukhulu befilimu, kumele ufafazwe ngokuphindaphindiwe, okuthinta ukusebenza kahle kokukhiqiza;
2.4 Ukugqoka irabha ene-chlorine akubekezeleli kahle izinto ezinuka kamnandi kanye nezinye izinhlobo zezinyibilikisi. Ukugqoka irabha ene-chlorine akukwazi ukusetshenziswa njengokugqoka okuvikela udonga lwangaphakathi ezindaweni lapho kungase kube nezinto ezingabekezeleli khona, njengepayipi lamakhemikhali, imishini yokukhiqiza kanye namathangi okugcina. Ngesikhathi esifanayo, ukugqoka irabha ene-chlorine akukwazi ukusekelwa isikhathi eside ngamafutha ezilwane namafutha emifino;

isiqondiso sokuthuthukiswa kwengubo yerabha ene-chlorine

1. Ucwaningo mayelana nokuguquguquka kwefilimu yopende. Izembozo zerabha ezine-chlorine zisetshenziswa kakhulu ekwelapheni imikhiqizo yensimbi elwa nokugqwala.

Njengoba inani lemikhiqizo yensimbi lizoshintsha kakhulu lapho izinga lokushisa lishintsha, ukuze kuqinisekiswe ukuthi ikhwalithi yefilimu yopende ayithinteki kakhulu lapho i-substrate ikhula futhi incipha, i-cartridge yerabha ene-chlorine kumele ibe nokuguquguquka okuhle ukunciphisa ukucindezeleka okubangelwa lapho i-substrate inwetshwa kakhulu. Njengamanje, indlela eyinhloko yokuthuthukisa ukuguquguquka kwepende yerabha ene-chlorine ukufaka i-paraffin ene-chlorine. Kusukela kudatha yokuhlola, lapho inani eliphelele le-paraffin ene-chlorine lifinyelela ku-20% we-resin yerabha ene-chlorine, ukuguquguquka kwefilimu kungafinyelela ku-1 ~ 2mm.

2. Ucwaningo ngobuchwepheshe bokuguqula
Ukuze kuthuthukiswe izakhiwo zefilimu yopende futhi kwandiswe ububanzi bokusetshenziswa kwezingubo zerabha ezine-chlorine, abacwaningi benze izifundo eziningi zokuguqulwa kwezingubo zerabha ezine-chlorine. Ngokusebenzisa irabha ene-chlorine ene-alkyd, i-epoxy ester, i-epoxy, i-coal tar pitch, i-thermoplastic acrylic acid kanye ne-vinyl acetate copolymer resin, i-composite coating yenze intuthuko ecacile ekuguquguqukeni kwefilimu yopende, ukumelana nesimo sezulu kanye nokumelana nokugqwala, futhi kwakhuthaza ukuthuthukiswa kwemboni yokuvikela ukugqwala kakhulu.

3. Ucwaningo ngokuqukethwe okuqinile kwezimbozo
Okuqukethwe okuqinile kwengubo yerabha ene-chlorine kuphansi kanti ubukhulu befilimu buncane, ukuze kuhlangatshezwane nezidingo zobukhulu befilimu, kubalulekile ukwandisa inani lezikhathi zokuxubha futhi kuthinte ukusebenza kahle kokukhiqiza. Ukuze kuxazululwe le nkinga, kubalulekile ukuqala kusukela empandeni bese uthuthukisa okuqukethwe okuqinile kopende. Njengoba izambatho zerabha ezine-chlorine kunzima ukuzimanzisa, okuqukethwe okuqinile kungancishiswa kuphela ukuqinisekisa ukusebenza kokwakhiwa. Njengamanje, okuqukethwe okuqinile kwezingubo zerabha ezine-chlorine kuphakathi kuka-35% no-49%, kanti okuqukethwe kwe-solvent kuphezulu, okuthinta ukusebenza kwemvelo kwezingubo.

Izindlela eziyinhloko zokuthuthukisa okuqukethwe okuqinile kwezembozo zerabha ezine-chlorine ukulungisa isikhathi sokungena kwegesi ye-chlorine nokulawula izinga lokushisa lokusabela lapho kukhiqizwa i-resin ngerabha ene-chlorine.

Mayelana NATHI

Inkampani yethuibilokhu inamathela njalo ku-"'sayensi nobuchwepheshe, ikhwalithi kuqala, ukwethembeka nokuthembeka, ukuqaliswa okuqinile kohlelo lokuphathwa kwekhwalithi lwamazwe ngamazwe lwe-ls0900l:.2000. Ukuphathwa kwethu okuqinile ubuchwepheshe bokusungula, isevisi yekhwalithi esezingeni eliphezulu, ithole ukuqashelwa yiningi labasebenzisi.Njengochwepheshe, ifektri yaseShayina ejwayelekile futhi eqinile, singanikeza amasampula kumakhasimende afuna ukuthenga, uma udinga noma yiluphi uhlobo lopende, sicela usithinte.