I-agent ye-crosslinking esekelwe emanzini, i-compound ye-polymer e-soluble yamanzi, i-polymer eyenziwe ngeendlela ezahlukeneyo ezahlukeneyo usebenzisa amanzi njengendlela yokusabalalisa kunye nokongeza inani elifanelekileyo le-emulsifier. Ibonakaliswe yi-viscosity ephantsi, ukusabalalisa lula, akukho gwebu, kwaye akukho formaldehyde yamahhala, i-crosslinker-based crosslinkers isetyenziswe ngokubanzi kwiingubo, ii-inki kunye ne-adhesives.
I-ejenti yokudibanisa esekelwe emanzini inezi mpawu zilandelayo:
- Uzinzo olulungileyo kumanzi kunye nezinyibilikisi ezininzi
I-arhente yokudibanisa esekwe emanzini ithatha amanzi njengendawo yokusasazwa, ngoko ke inozinzo oluhle kumanzi nakwizinto ezininzi ezinyibilikisayo. Uzinzo lwe-arhente yokudibanisa emanzini luxhomekeke kubunzima bayo beemolekyuli kunye nolwakhiwo lwayo. Ekubeni i-arhente yokudibanisa inyibilika emanzini, inokunyibilika ngokupheleleyo emanzini, ngoko ke ayiyi kukhawuleza. Inyani yokuba ii-crosslinkers zamanzi ziqulathe amaqela e-carboxyl kwiimolekyuli zazo inika ii-crosslinkers zamanzi uzinzo oluhle. Ngokubanzi, ukusebenzisana kwe-covalent kweqela le-carboxyl neqela le-hydrophilic kwenzeka ikakhulu phakathi kwamaqela amabini e-hydrophilic. Umzekelo, i-acrylic emulsion iqulathe iqela le-carboxyl kunye neqela le-hydroxyl, kwaye kukho i-hydrogen bonding phakathi kwazo. Olu qhagamshelo lwe-hydrogen lwenza i-acrylic emulsion ibe nozinzo oluhle kwaye ayichaphazeleki lula kukufuma, i-alkali, ubushushu, ukukhanya, ioksijini nezinye izinto, kwaye inokuhlala izinzile phantsi kwempembelelo yezinto ezahlukeneyo, ezinje ngobushushu, ukukhanya njalo njalo.
- I-Non-toxic kunye nengenabungozi, ayiyi kubangela ukungcoliseka kwendalo
Ukusetyenziswa kwe-agent ye-crosslinking esekelwe emanzini kukusebenzisa amanzi njengendlela yokusabalalisa, ukongeza i-emulsifiers kunye ne-initiators, kunye nokusabela kwiqondo lokushisa elithile ukuvelisa i-polymer. Le polymer ayinayo ityhefu kwaye ayinabungozi, kwaye ayiyi kubangela ungcoliseko lwendalo.
(1) Inokusetyenziswa kwiindidi ezininzi zokuncamathelisa, ezifana: polyurethane emanzini, amanzi acrylic acid, polyurethane emanzini, epoxy emanzini njalo njalo;
(2) Ingasetyenziselwa kwiqondo lokushisa kunye nakwiqondo lokushisa eliphezulu, elinokuthi lihlangabezane neemfuno zesicelo kwiindawo ezahlukeneyo;
(3) Uluhlu olubanzi lwesicelo, kungekhona kuphela kwizinto ezahlukeneyo ze-substrate, kodwa kunye nezinto ezifana nemithi kunye nephepha;
(4) Ulwakhiwo olulungeleyo, lunokutshizwa, luxutywe okanye luqengqiwe ukuze lwakhiwe;
(5) Inokusetyenziswa kunye neentlobo ezahlukeneyo zokudibanisa;
(6) Inobunzima obunqamlezileyo kunye namandla;
(7) Kulula ukuyisebenzisa, inokulungelelaniswa ngokweemfuno zomsebenzisi.
Njengomlungiseleli, i-agent ye-crosslinking esekelwe emanzini ingasetyenziselwa ukuphucula iimpawu zokwenza ifilimu ye-coatings yamanzi, kwaye ingasetyenziselwa ukuphucula i-fluidity yee-inki ezisekelwe emanzini, kwaye ingasetyenziselwa ukuphucula ukunyanzeliswa kwamanzi kwi-adhesives yamanzi.
Amanzi-based crosslinking agent kwimveliso yamanzi njengendlela yokusabalalisa, xa isetyenziselwa ukongeza inani elifanelekileyo le-dispersant ingaba. Akukho mfuneko yokusebenzisa i-solvents ye-organic for dissolution, impembelelo encinci kwindawo yokuvelisa, kulula ukuyisebenzisa. Ukusetyenziswa kwe-agent ye-crosslinking esekelwe emanzini kwi-coatings: i-agent ye-crosslinking esekelwe emanzini isetyenziswa kakhulu kwiingubo, ezinokuthi zenze isantya sokunyanga se-coating ngokukhawuleza, ukushisa okuphantsi kokunyanga. Ngelo xesha, ngenxa yokuba i-agent ye-crosslinking esekelwe emanzini ininzi yamanzi njengendlela yokusabalalisa, ekuveliseni i-solvents ye-organic ayifuni ukongeza, okunciphisa kakhulu iindleko zemveliso. Ukongeza, ikwanciphisa ukukhutshwa kwezinto ezinobungozi ezifana ne-VOC.
I-agent ye-crosslinking esekelwe emanzini ingasebenzisa amanzi njenge-solvent, ayinayo nayiphi na i-solvents ephilayo, ukunciphisa inkqubo yokuvelisa i-solvents yezinto eziphilayo kwindalo. I-viscosity ephantsi kwaye kulula ukuyisasaza, inokusebenzisa ugxininiso lwedosi ephantsi kakhulu, isantya esincinci kakhulu sedosi ukufumana impumelelo ephezulu yokuwela; inokulungiswa kubushushu obuphantsi. Kwaye ayinayo i-formaldehyde yamahhala, ukuphepha ingxaki yongcoliseko lwe-formaldehyde.
Ulwazi oluthe kratya, iisampulu zasimahla, iikowuteshini zamaxabiso, nceda usiqhagamshelane nathi nge: [email protected] , okanye usithumelele ilizwi ku: +86-28-8411-1861.
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