Cellulose Ether Viscosity Test

Iyo viscosity yecellulose ethers, yakadai seHydroxypropyl Methylcellulose (HPMC) kana Carboxymethyl Cellulose (CMC), inokosha parameter iyo inogona kukanganisa kushanda kwavo mumashandisirwo akasiyana-siyana. Viscosity chiyero chekuramba kwemvura kuyerera, uye inogona kupesvedzerwa nezvinhu zvakaita sekumisikidza, tembiricha, uye mwero wekutsiva cellulose ether.

Heino gwara rakajairwa rekuti viscosity bvunzo dze cellulose ether dzinogona kuitwa sei:

Brookfield Viscometer nzira:

Iyo Brookfield viscometer chishandiso chinowanzoshandiswa kuyera viscosity yemvura. Matanho anotevera anopa rondedzero yekutanga yekuitisa viscosity bvunzo:

1. Muenzaniso Kugadzirira:
   • Gadzirira kusanganiswa kunozivikanwa kweselulosi ether solution. Iko kusungirirwa kwakasarudzwa kuchaenderana nezvinodiwa chaizvo zvekushandisa.
2. Tembiricha Equilibration:
   • Ita shuwa kuti sampuli yakaenzana kune yaunoda yekuyedza tembiricha. Viscosity inogona kutsamira tembiricha, saka kuyedza pane inodzorwa tembiricha kwakakosha kune zviyero zvakaringana.
3. Calibration:
   • Gadzirisa iyo Brookfield viscometer uchishandisa yakajairwa calibration zvinwiwa kuti uve nechokwadi chekuverenga chaiko.
4. Kuisa Muenzaniso:
   • Takura huwandu hwakakwana hweselulosi ether mhinduro mukamuri ye viscometer.
5. Kusarudzwa kweSpindle:
   • Sarudza chakakodzera spindle zvichibva pane inotarisirwa viscosity renji yemuenzaniso. Masipindo akasiyana anowanikwa kune akaderera, epakati, uye akakwira viscosity renji.
6. Kuyera:
   • Nyura iyo spindle mumuenzaniso, uye tanga viscometer. Iyo spindle inotenderera inogara ichimhanya, uye kuramba kutenderera kunoyerwa.
7. Kurekodha Data:
   • Rekodha kuverenga kwe viscosity kubva kune viscometer kuratidza. Chiyero chekuyera chinowanzo mu centipoise (cP) kana millipascal-seconds (mPa·s).
8. Dzokorora Zviyero:
   • Ita zviyero zvakawanda kuti uve nechokwadi chekuberekazve. Kana iyo viscosity ichisiyana nekufamba kwenguva, zvimwe zviyero zvinogona kudikanwa.
9. Data Analysis:
   • Ongorora iyo viscosity data mumamiriro ezvinhu ekushandisa zvinodiwa. Mashandisirwo akasiyana anogona kunge aine chaiwo viscosity tarisiro.

Zvinhu Zvinokanganisa Viscosity:

1. Concentration:
   • Kunyanya kuwanda kweselulosi ether mhinduro kunowanzo konzera kukwirisa viscosity.
2. Tembiricha:
   • Viscosity inogona kunge isingabatanidzi tembiricha. Kupisa kwepamusoro kunogona kuderedza viscosity.
3. Dhigirii reKutsiva:
   • Iyo dhigirii yekutsiva iyo cellulose ether inogona kukanganisa kukora kwayo uye, nekudaro, viscosity yayo.
4. Shear Rate:
   • Viscosity inogona kusiyana neshear rate, uye maviscometer akasiyana anogona kushanda pane akasiyana shear mitengo.

Gara uchitevera nhungamiro dzakanangana dzakapihwa nemugadziri we cellulose ether yekuongororwa viscosity, sezvo maitiro anogona kusiyana zvichienderana nerudzi rwe cellulose ether uye chinangwa chekushandiswa kwayo.