I-ejenti yokuxhumanisa esekelwe emanzini, inhlanganisela ye-polymer encibilika emanzini, iyi-polymer ehlanganiswe ngezindlela ezihlukahlukene ezahlukene kusetshenziswa amanzi njengendlela yokuhlakaza futhi yengeze inani elifanele le-emulsifier. Iphawuleka nge-viscosity ephansi, ukuhlakazeka kalula, ukungabi namagwebu, futhi ayikho i-formaldehyde yamahhala, ama-crosslinkers asekelwe emanzini asetshenziswe kabanzi embotsheni, oyinki, nasezinamathelayo.
I-ejenti ye-crosslinking esekelwe emanzini inezici ezilandelayo:
- Ukuzinza okuhle emanzini kanye nezincibilikisi eziningi
I-agent yokuxhumanisa esekwe emanzini ithatha amanzi njengendawo yokuhlakazeka, ngakho-ke inokuqina okuhle emanzini kanye nezinyibilikisi eziningi. Ukuqina kwe-agent yokuxhumanisa emanzini kuncike esisindweni sayo sama-molecule kanye nesakhiwo. Njengoba i-agent yokuxhumanisa incibilika emanzini, ingancibilika ngokuphelele emanzini, ngakho ngeke ifinyelele. Iqiniso lokuthi ama-crosslinkers aqukethe amaqembu e-carboxyl kuma-molecule awo linikeza ama-crosslinkers aqukethe amanzi ukuzinza okuhle. Ngokuvamile, ukusebenzisana kwe-covalent kweqembu le-carboxyl neqembu le-hydrophilic kwenzeka ikakhulukazi phakathi kwamaqembu amabili e-hydrophilic. Isibonelo, i-acrylic emulsion iqukethe iqembu le-carboxyl kanye neqembu le-hydroxyl, futhi kukhona ukubopha kwe-hydrogen phakathi kwawo. Lokhu kubopha kwe-hydrogen kwenza i-acrylic emulsion ibe nokuzinza okuhle futhi ayithinteki kalula umswakama, i-alkali, ukushisa, ukukhanya, i-oxygen nezinye izinto, futhi ingahlala izinzile ngaphansi kwethonya lezinto ezahlukahlukene, njengokushisa, ukukhanya nokunye.
- Non-toxic futhi engenabungozi, ngeke kubangele ukungcoliswa kwemvelo
Ukusetshenziswa kwe-ejenti ye-crosslinking esekelwe emanzini ukusebenzisa amanzi njengendawo yokuhlakaza, ukwengeza ama-emulsifiers nama-initiators, nokusabela ezingeni lokushisa elithile ukuze kukhiqizwe i-polymer. Le polymer ayinabo ubuthi futhi ayinabungozi, futhi ngeke ibangele ukungcoliswa kwemvelo.
(1) Ingasetshenziswa ezinhlotsheni eziningi zokunamathisela, njenge: i-polyurethane emanzini, i-acrylic acid ephuma emanzini, i-polyurethane emanzini, i-epoxy emanzini njalonjalo;
(2) Ingasetshenziswa ekamelweni lokushisa kanye nasezingeni lokushisa eliphezulu, elingahlangabezana nezidingo zokufaka isicelo ezindaweni ezihlukahlukene;
(3) Uhlu olubanzi lokusetshenziswa, hhayi nje kuphela ezintweni ezihlukahlukene ze-substrate, kodwa futhi nezinto ezifana nezinkuni nephepha;
(4) Ukwakhiwa okulula, kungafuthwa, kubhushwe noma kugingqwe ukuze kwakhiwe;
(5) Ingasetshenziswa nezinhlobonhlobo zezithasiselo;
(6) Inokuqina okuphezulu okuxhumanisa okuxhumanisayo namandla;
(7) Kulula ukuyisebenzisa, ingashintshwa ngokuya ngezidingo zomsebenzisi.
Njengesiguquli, i-ejenti yokuphambanisa okusekelwe emanzini ingasetshenziswa ukuthuthukisa izakhiwo zefilimu zezingubo ezisekelwe emanzini, futhi ingase isetshenziselwe ukuthuthukisa i-fluidity yama-inki asekelwe emanzini, futhi ingasetshenziswa ukuthuthukisa ukumelana kwamanzi okunamathelayo okusekelwe emanzini.
Amanzi-based crosslinking ejenti ekukhiqizeni amanzi njengendlela dispersing medium, lapho esetshenziswa ukwengeza inani elifanele dispersant kungaba. Asikho isidingo sokusebenzisa izinyibilikisi eziphilayo ukuze kuhlakazwe, umthelela omncane endaweni yokukhiqiza, kulula ukuyisebenzisa. Ukusetshenziswa kwe-ejenti ye-crosslinking esekelwe emanzini e-coatings: i-agent ye-crosslinking esekelwe emanzini isetshenziswa ikakhulukazi ekugqokeni, okungenza ijubane lokuphulukisa le-coating lisheshe, izinga lokushisa eliphansi lokuphulukisa. Ngesikhathi esifanayo, ngenxa yokuthi i-agent ye-crosslinking esekelwe emanzini ngokuyinhloko ingamanzi njengendlela yokusabalalisa, ekukhiqizeni ama-solvents e-organic akudingeki wengeze, okunciphisa kakhulu izindleko zokukhiqiza. Ngaphezu kwalokho, iphinde inciphise ukukhishwa kwezinto eziyingozi njenge-VOC.
I-agent ye-crosslinking esekelwe emanzini ingasebenzisa amanzi njenge-solvent, ayiqukethe noma yiziphi i-solvents eziphilayo, ukunciphisa inqubo yokukhiqiza i-organic solvents emvelweni. I-viscosity ephansi futhi kulula ukuyihlakaza, ingasebenzisa ukugxila kwe-dosing ephansi kakhulu, isilinganiso esincane kakhulu somthamo ukuze kutholwe ukusebenza kahle okuphezulu kokuxhumanisa; ingalungiswa ekushiseni okuphansi. Futhi ayinayo i-formaldehyde yamahhala, egwema inkinga yokungcola kwe-formaldehyde.
Ulwazi olwengeziwe, amasampula amahhala, izingcaphuno zamanani, sicela usithinte nge: [email protected] , noma usithumelele izwi ku: +86-28-8411-1861.
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