Ukusetyenziswa kwe-hydroxypropyl methylcellulose kumdaka

1. Ukugcinwa kwamanzi

IHydroxypropyl methylcellulose yokwakha ikhusela ukufuma ekungeneni eludongeni. Isixa esifanelekileyo samanzi sihlala kwidaka, ukuze isamente ibe nexesha elide lokumanzisa. Ukugcinwa kwamanzi kuhambelana ne-viscosity yesisombululo se-cellulose ether kumdaka. Ukuphakama kwe-viscosity, ngcono ukugcinwa kwamanzi. Emva kokuba iimolekyuli zamanzi zanda, ukugcinwa kwamanzi kunciphisa. Ngenxa yokuba umlinganiselo ofanayo wokwakhiwa kwesisombululo se-hydroxypropyl methylcellulose, ukwanda komthamo wamanzi kuthetha ukuhla kwe-viscosity. Ukuphuculwa kokugcinwa kwamanzi kuya kukhokelela ekwandisweni kwexesha lokulungisa udaka olwakhiwayo.

2. Ukuphucula ukwakheka

Ukusetyenziswa kwe-hydroxypropyl methylcellulose HPMC kunokuphucula ukwakhiwa kodaka, ukwenza imveliso yodaka ibe nokusebenza kakuhle kokusasaza, ukunciphisa ukunamathela kwizixhobo zokusebenza, ukwenza ukwakhiwa kube lula, nokunciphisa ukunyanzeliswa ngokomzimba kwabasebenzi.

3. Umxholo webhabhula

Umxholo we-bubble womoya ophezulu uphumela kwisivuno esingcono sodaka kunye nokusebenza, ukunciphisa ukubunjwa kokuqhekeka. Kwakhona kunciphisa ixabiso lokuqina, okubangelwa "i-liquefaction" isenzeko. Isiqulatho seqamza lomoya sikholisa ukuxhomekeka kwixesha lokuzamisa. Iimveliso zisetyenziselwa kakhulu ukuphucula ukusebenza kwezinto zokwakha ze-hydraulic, ezifana ne-samente kunye ne-gypsum. Kwizidumbu ezisekelwe kwisamente, kuphucula ukugcinwa kwamanzi, kwandisa ukulungiswa kunye namaxesha avulekileyo, kwaye kunciphisa ukuthoba.

4. Anti-sagging

Udaka oluqinileyo olumelana ne-sag luthetha ukuba xa lugalelwe kumaleko ashinyeneyo akukho ngozi yokuhexa okanye ukuqukuqela okuhla. Ukumelana ne-Sag kunokuphuculwa ngolwakhiwo oluthile lwe-hydroxypropyl methylcellulose. Ngokukodwa i-hydroxypropyl methylcellulose esanda kuphuhliswa yokwakhiwa inokubonelela ngeempawu ezingcono zokuchasana nodaka.

5. Ukukwazi ukumanzisa

Iimveliso ezifanelekileyo ze-cellulose ether zinokuphucula i-viscosity yodaka ngelixa uqinisekisa umsebenzi womphezulu kunye nokunamathela okumanzi kodaka, okwenza udaka lube nokusebenza kakuhle ekumanziseni i-substrate, nokuba isetyenziswe kwi-EPS okanye i-XPS, njl. akukho-curling kunye ne-non-wetting phenomenon kwisiseko esikhethekileyo somgangatho.