IHydroxypropyl methylcellulose (HPMC) sisityebi kunye nesilungisi esisetyenziswa ngokubanzi kushishino lolwakhiwo, ukwambathisa kunye nokuncamathelisa.
1. Ukwandisa i-viscosity
I-HPMC isebenza njenge-thickener kwaye inokunyusa kakhulu i-viscosity ye-adhesives kunye neengubo. Ukunyuka kwe-viscosity kunceda ukuphucula i-rheology yemveliso ngexesha lokufaka isicelo, okwenza ukuba i-coating ibe lula ukuyisebenzisa ngaphandle kokuvuza okanye ukugoba. I-adhesives ye-viscosity ephezulu inika ulawulo olungcono ngexesha lokufaka isicelo kwaye igweme ukuhamba kwangaphambi kwexesha, iqinisekisa ibhondi elungileyo.
2. Ukuphucula umthamo wokubamba amanzi
I-HPMC ineempawu ezigqwesileyo zokubamba amanzi kwaye inokwenza umqobo okhuselayo ngokuchasene nokufuma kwiingubo kunye nezinto ezincamathelayo. Oku kugcinwa kwamanzi kwandisa ixesha elivulekileyo leengubo kunye ne-adhesives, ukuvumela ixesha elide lokusebenzisa. Ngexesha elifanayo, ukugcinwa kakuhle kwamanzi kunokuthintela ukuqhekeka kunye nokuqhawula kwengubo okanye i-adhesive ngexesha lokumisa, ukuphucula ukuqina kwemveliso yokugqibela.
3. Ukuphucula ukusebenza kokwambathisa
I-HPMC inokuphucula ukusasazwa kunye nokuzinza kweengubo, ukuvumela i-pigments kunye nezinye izithako ukuba zisasazwe ngokulinganayo, ngaloo ndlela kuphuculwe umgangatho opheleleyo wokugquma. Ngexesha lenkqubo yokwaleka, i-HPMC yenza ukuba ipeyinti yenze i-uniform yokwambathisa kwindawo yesicelo, iphucula ukuguda kunye neglosi yengubo. I-HPMC inokunceda ukunciphisa amaqamza kunye neziphene, iphucula ngakumbi imbonakalo yepeyinti.
4. Ukuphucula ukuchasa ukulungiswa
Ukongeza i-HPMC kwi-coatings kunye ne-adhesives inokuthintela ngokufanelekileyo amasuntswana aqinileyo ekuzinzeni ngexesha lokugcinwa. Le propati echasayo iqinisekisa ukuba imveliso igcina ukufana okulungileyo emva kokugcinwa kwexesha elide, igwema inkathazo yokuvuselela ngokugqithiseleyo ngaphambi kokusetyenziswa, kwaye iphucula ukuzinza kwemveliso kunye nokusetyenziswa.
5. Ukwandisa amandla okudibanisa
Ubume be-molecular ye-HPMC inokuphucula intsebenziswano phakathi kwe-adhesive kunye ne-substrate kunye nokuphucula amandla okudibanisa. Ngokukodwa kwezinye izicelo ezikhethekileyo, ezifana ne-ceramic tile bonding, i-stone bonding, njl., ukongezwa kwe-HPMC kunokuphucula kakhulu umphumo wokudibanisa, okwenza ukuba i-adhesive yokugqibela ibe nzima kwaye inokwethenjelwa xa imelana nemikhosi yangaphandle.
6. Ukuphucula ukuxhathisa kwamanzi kunye nokuxhathisa ukushisa
I-HPMC inokumelana okugqwesileyo kwamanzi kunye nobushushu, iphucula ukusebenza kweengubo kunye nokuncamathelisa kwiindawo ezifumileyo. Olu phawu lwenza ukuba i-coating isebenze ngakumbi xa isetyenziswe ngaphandle okanye kwiimeko eziphakamileyo zomswakama, ukunciphisa umngcipheko wokukhupha okanye umonakalo kwi-coating ebangelwa ngumswakama. Ukongeza, ukumelana nobushushu be-HPMC kwenza ukuba imveliso izinze ngakumbi phantsi kweemeko zobushushu obuphezulu kwaye ikwazi ukugcina iimpawu zayo zomzimba.
7. Nciphisa iVolatile Organic Compounds (VOC)
Kwimeko yokunyusa inkxalabo yokusingqongileyo, i-HPMC, njengepolymer e-soluble yamanzi, inokunceda ukunciphisa umxholo we-volatile organic compounds (VOC) kwiingubo kunye ne-adhesives. Ngokusebenzisa i-HPMC, abavelisi banokuphuhlisa iimveliso ezihambelana nokusingqongileyo ezihlangabezana neemfuno zesakhiwo esiluhlaza kunye nozinzo ngaphandle kokuncama ukusebenza.
Ukusetyenziswa kwe-HPMC kwi-adhesives kunye ne-coatings ayiphuculi nje kuphela iimpawu zabo ze-rheological, umthamo wokubamba amanzi kunye namandla okudibanisa, kodwa kuphucula ukuxhathisa kwamanzi kunye nokumelana nobushushu. Iipropathi zayo ezizodwa zenza i-HPMC ibe sisongezo esiyimfuneko kula mashishini, iqhuba ukuphuculwa kokusebenza kwemveliso kunye nokuveliswa kwezinto ezintsha kwimarike. Njengoko imfuno yezixhobo ezihambelana nokusingqongileyo kunye nokusebenza okuphezulu konyuka, amathuba okusetyenziswa kwe-HPMC aya kuba banzi.
Ixesha lokuposa: Oct-21-2024