Paunenge uchigadzira pendi, iyo viscosity yeHPMC (Hydroxypropyl Methylcellulose) inoita basa rakakosha mukuwana kuenderana kunodiwa, kupararira, uye kuita kwese.Ichi chinyorwa chine chinangwa chekupa maitiro esainzi kuona iyo yakakwana HPMC viscosity yekugadzira pendi, tichifunga zvinhu zvakaita serudzi rwepigment, nzira yekushandisa, uye inodiwa pendi maitiro.
Nzwisisa Basa reHPMC muPaint Formulation:
HPMC inoshanda seyakasiyana-siyana yekuwedzera mukugadzirwa kwependi, ichibatsira mukudzora viscosity, kuchengetwa kwemvura, uye firimu-kugadzira zvivakwa.Viscosity yaro inokanganisa zvakananga kuyerera uye kuyera hunhu hwepende, pamwe nekugona kwayo kuomerera kune dzakasiyana siyana.
Funga nezvePigment Type uye Concentration:
Mavara akasiyana anoda mazinga akasiyana eHPMC viscosity kuti awane kupararira kwakanyanya uye kugadzikana mukuumbwa kwependi.Kazhinji, yakanyanyisa kana inorema pigments, yakadai setitanium dioxide kana iron oxide, ingada yakakwirira viscosity HPMC kuchengetedza yunifomu kuturika uye kudzivirira kugadzirisa.Akareruka pigment, senge organic dhayi kana transparent pigment, angangoda yakaderera viscosity HPMC kuve nechokwadi kupararira kwakaringana pasina kukanganisa kujeka.
Sarudza Maitiro eKushandisa uye Pendi Mamiriro:
Iyo nzira yekushandisa uye inodiwa pendi maitiro zvakare inokanganisa iyo yakakwana HPMC viscosity.Semuyenzaniso:
a.Brush/Roller Application: Yakakwira viscosity HPMC inowanzofarirwa bhurashi kana roller application kuti ive nechokwadi chekudzora pendi zviri nani, kuderedzwa kwepattering, uye kuvandudzwa kwebhurashi / roller kuchengetedza.
b.Kupfapfaidza Kushandisa: Lower viscosity HPMC inowanzo shandiswa kupfapfaidza application kufambisa atomization uye kuwana kunyange kufukidzwa.
c.Sag Resistance: Kuvandudza sag kuramba uye kudzivirira pendi kubva pakudonha kana kudonha panzvimbo yakatwasuka, yakakwirira viscosity HPMC inogona kudikanwa.
Ita Rheological Tests:
Kuti uone nesainzi iyo yakakwana HPMC viscosity yekugadzira pendi, rheological bvunzo dzinogona kuitwa.Iyi bvunzo inoyera kuyerera uye deformation maitiro epende pasi pemamiriro akadzorwa.Mhedzisiro yacho inogona kutungamira kusarudzwa kweHPMC viscosity nekufunga zvinhu zvakaita seshear rate, shear stress, uye viscosity profiles.
Edza uye Gadzirisa:
Zvichibva pane rheological test results, huwandu hweHPMC viscosities hunogona kutariswa sevanogona kukwikwidza pakugadzira pendi.Ita zviyedzo zvidiki-diki nekugadzira masampula ependi ane akasiyana HPMC viscosities mukati meiyo yakatarwa siyana.Ongorora zvakakosha paramita senge application zvivakwa, kuyera, sag kuramba, uye kuomesa maitiro.Rongedza iyo HPMC viscosity sezvinodiwa kuti uwane yaunoda pendi kuita.
Kuona iyo yakakwana HPMC viscosity yekugadzira pendi inoda nzira yesainzi inotarisa zvinhu zvakaita serudzi rwe pigment, nzira yekushandisa, uye inodiwa pendi maitiro.Nekunzwisisa basa reHPMC, kuita rheological bvunzo, uye kuyedza uye kugadzirisa ekugadzira masampula, vagadziri vependi vanogona kuwana yakanakira viscosity yekusimudzira kuyerera kwependi, kuyera, kunamatira, uye kuita kwese.Izvo zvakakosha kurova chiyero chakakodzera kuti uwane inodiwa pendi maitiro uchichengetedza zvinoshanda zvinodikanwa zvekushandisa nzira.
