izindaba

I-silicon dioxide inokusetshenziswa okubanzi, futhi imikhiqizo ehlukene inokusetshenziswa okuhlukile. Njenge-ejenti yokuqinisa enhle yerabha yokwenziwa, ukusebenza kwayo kokuqinisa kungokwesibili kune-carbon black, futhi kungcono kakhulu kune-carbon black ngemva kokwelashwa okuphezulu nokufanelekile kwendawo. Ifaneleka kakhulu ekukhiqizeni imikhiqizo yerabha emhlophe, enemibala, nenombala okhanyayo. Isetshenziswa njengesithako sokujiya noma sokujiya, i-ejenti yokuxuba amafutha okwenziwa kanye nopende wokufaka umswakama, i-ejenti yokufiphala kopende, i-ejenti ye-thixotropic yezinto zokupakisha zezingxenye ze-elekthronikhi, i-precipitant yempuphu ye-fluorescent ngesikhathi sokumbozwa kwesikrini se-fluorescent, isithako sokugcwaliswa kwamapuleti erabha okunyathelisa umbala, kanye ne-ejenti yokukhulula isikhunta yokubumba. Ukuyifaka ku-resin kungathuthukisa ukumelana kwayo nomswakama kanye nokusebenza kokufaka umswakama. Ukugcwalisa imikhiqizo yepulasitiki kungandisa ukumelana nokushelela kanye nokumelana namafutha. Igcwaliswe nge-resin ye-silicone, ingenziwa ibe yipulasitiki engamelana namazinga okushisa angaphezu kuka-200 ℃. Isetshenziswa njengesithako sokujiya kanye nobuso bephepha embonini yokwenza amaphepha.
I-precipitated white carbon black iyinto esetshenziswa kabanzi ekuqiniseni irabha. Ngokuvamile, ngenxa yokuthi umphumela wokuqinisa we-precipitated white carbon black (ngaphandle kokwelashwa kwe-ultrafine kanye nobuso) awumuhle njengowe-carbon black, ingeyesigaba sezinto zokugcwalisa eziqinisiwe kancane. Ngakho-ke, iphesenti le-carbon black okufanele lishintshwe kufanele linqunywe ngokusekelwe esimweni sokusetshenziswa. I-precipitated white carbon black isetshenziselwa amathayi angaphakathi nangaphandle emikhiqizo yerabha njengezimoto, amaloli okulahla inkunkuma, amaloli, amatrakta, ama-forklift, amabhayisikili, njll. Isetshenziswa futhi emikhiqizweni ehlukahlukene yerabha yezimboni efana namabhande ezimboni, amapayipi erabha, ama-liners, amapuleti erabha, ama-roller erabha okubhula okusanhlamvu, kanye nezicathulo zerabha. Ukwengeza inani elithile le-white carbon black emathayini avamile kungathuthukisa impilo yawo yesevisi. Ngokusho kocwaningo nemiphumela yokuhlolwa kwefomula yamathayi yenkampani yangaphambili yaseNtshonalanga Jalimane, ukwengeza izingxenye eziyi-10-20 ze-white carbon black kungathuthukisa ukumelana nokunamathela nokudabuka, kwandise ibanga lethayi, futhi kuthuthukise nokubamba kwethayi ebusweni bomgwaqo, okusiza ekushayeleni ngokuphephile. Esinye sezizathu ezenza ukuthi ibanga lamasondo aseShayina liphansi kunezinga lamazwe ngamazwe ukungasebenzisi i-carbon black emhlophe. Ngaphezu kwalokho, ngenxa yokukhiqizwa okuphezulu kokushisa kwe-carbon black, amathayi ezimoto zakwamanye amazwe asetshenziswa emigwaqweni emikhulu nawo avame ukwengeza i-carbon black emhlophe. Njengamanje, izidingo zamasondo ebhayisikili ezimakethe zasekhaya nezakwamanye amazwe ziya ngokuya zihlukahluka, njengemiphetho yamathayi enemibala kanye nezinhlobo ezintsha ezikhazimulayo, ezikhiqizwa kusetshenziswa i-carbon black emhlophe esikhundleni se-carbon black. Ekukhiqizweni kwezicathulo zerabha, abantu abadingi nje kuphela ukuqina, kodwa futhi nemibala emihle, induduzo, kanye nokukhanya kwezicathulo zerabha, amabhuzu emvula, izicathulo zezemidlalo, izicathulo zokuhamba, izicathulo zokufaneleka, izicathulo ze-ballet, njll. I-carbon black emhlophe ayigcini nje ngokuba nokuqina okuhle, ukumelana nokuguguleka, ukumelana nokushelela, kanye nokunamathela kwezicathulo, kodwa futhi iyinto enhle yokuqinisa enombala okhanyayo. Ngakho-ke, idlala indima ebalulekile ekuhlinzekeni ikhwalithi kanye nesitayela sezicathulo zerabha ekuthuthukisweni kwezicathulo zerabha.
I-white carbon black ingasetshenziswa njengento yokugcwalisa kumapulasitiki afana ne-polyethylene, i-polypropylene, i-polybutene, kanye ne-epoxy resin, okungathuthukisa amandla okunwebeka kanye nokumelana nokuguguleka kwamapulasitiki, kanye nokuzinza kokushisa kobulukhuni. Isetshenziselwa izintambo, ingathuthukisa nokushisa kwamakhebula kagesi. Isibonelo, imigqa yerabha ye-methyl vinyl silicone high-voltage idinga i-gas-phase silica noma i-high-quality precipitated silica. Ngokuvamile kunzima ukuhlukanisa phakathi kwezingqimba ezimbili zefilimu yepulasitiki, futhi kunzima ukuvula ukuvulwa kwesikhwama lapho ufaka isikhwama, ngakho-ke i-white carbon black iyi-ejenti yokuvula ewusizo kakhulu. Uma i-polyvinyl chloride isetshenziswa njengezinto zokwakha phansi ekhaya, uma kufakwa inani elithile le-white carbon black, ubulukhuni, ukunwebeka, ukuguquka kokushisa kanye nezinye izakhiwo zomkhiqizo kungathuthukiswa.
I-carbon black emhlophe ingasetshenziswa njenge-glue ejenti yephepha, engathuthukisa ubumhlophe nokungacaci kwephepha, ithuthukise ukuphrinta, ukumelana namafutha, ukumelana nokuguguleka, ukuzwela kwesandla, kanye nokucwebezela. Isetshenziselwa ukuphrinta amaphepha, ingaqinisekisa ikhwalithi enhle yobuso, uyinki ozinzile, futhi akukho mifantu ngemuva kwephepha; Isetshenziswa ephepheni eliqukethe i-nitrogen, ingakhiqiza imidwebo eluhlaza okwesibhakabhaka esezingeni eliphezulu; Isetshenziswa ephepheni le-copperplate esikhundleni se-titanium dioxide; Ikakhulukazi ephepheni elisha, ukwengeza i-carbon black engu-1-2% kunganciphisa isisindo sephepha ngo-10%. Akukhona nje ukuthi iphepha lincane, kodwa futhi lingathuthukisa amandla. Ngaphezu kokuvimbela ukungena kwe-inki nokwenza umbhalo ophrintiwe ucace, ingakhulisa nokungacaci. I-carbon black emhlophe inezakhiwo ze-thixotropic. Ukwengeza inani elincane le-carbon black emhlophe ephepheni kungasusa isimo sokufakwa kwamaconsi. Ezimbozweni ze-polyester ezingagcwalisiwe, uma nje kufakwe ukuhlushwa okungu-0.5-2% kwe-carbon black emhlophe, lokhu kuhlanganiswa kungasetshenziswa endaweni eqondile ene-500g/m2 isikhathi ngasinye ngaphandle kwamaconsi noma imibimbi ewuketshezi.
Ukwengeza umnyama wekhabhoni omhlophe kuma-pigment akugcini nje ngokuvimbela ukumuncwa kombala, kodwa futhi kuthuthukisa ukumuncwa kwama-pigment namadayi, futhi kuthuthukise ukuhlakazeka. Uma kusetshenziswa njengesigcwalisi se-emulsion coating, kungathuthukisa ukuzinza kokushisa. Ukuze kuhlangatshezwane nezidingo ze-coating kanye ne-inki extinction agents ze-white carbon black, imikhiqizo ekhethekile ye-extinction agents iye yathuthukiswa futhi yakhiqizwa kwamanye amazwe. Lapho i-nitro varnish kanye ne-coating efanayo iqukethe ama-precipitated white carbon black matting agents, zingathuthukisa izakhiwo ezingavuthisi upende futhi zenze i-coating ihlakazeke kalula ngenani elincane lokuqina, ukumiswa okuhle, izakhiwo ezinhle kakhulu ze-matting, ukucaca okuphezulu, kanye nokumelana okuhle kokuguguleka. Ukwengeza umnyama wekhabhoni omhlophe ongu-0.5% ku-inki yokunyathelisa kunomphumela omuhle wokunyathelisa, kungasusa ithonya lokungena kwe-inki engahlakazekile, kuthuthukise ukumelana nokuwasha kwezinto zokunyathelisa, futhi kwandise ukukhanya kwemibala.
Ngaphezu kwalokho, i-white carbon black nayo isetshenziswa ngamazinga ahlukahlukene futhi idlala imisebenzi ehlukahlukene enenzuzo ezibulala-zinambuzane, emithini yemithi, ezintini, ezihlahleni zamazinyo, nasezimonyweni zansuku zonke.

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Isikhathi sokuthunyelwe: Mashi-27-2024