Ka dib marka lagu daro hydroxypropyl methylcellulose walxaha sibidhka ku salaysan, way dhumu kartaa. Qadarka hydroxypropyl methylcellulose ayaa go'aamisa baahida biyaha ee alaabta sibidhka ku salaysan, sidaas darteed waxay saameyn doontaa soo saarista hoobiye.
Dhowr arrimood ayaa saameeya viscosity hydroxypropyl methylcellulose:
1. Heerarka sare ee polymerization of cellulose ether, weynaanta miisaankeeda kelli, iyo sare u kaca ee xalka aqueous;
2. Markasta oo ay sare u kacdo qaadashada (ama xoojinta) ether-ka cellulose, ayaa sare u kaca viscosity ee xalkeeda aqueous. Si kastaba ha noqotee, waa lagama maarmaan in fiiro gaar ah loo yeesho xulashada qaadashada ku habboon inta lagu jiro codsiga si looga fogaado qaadashada xad-dhaafka ah, taas oo saameyn doonta shaqada hoobiye iyo shubka. sifo;
3. Sida dareerayaasha intooda badan, viscosity of cellulose ether xal waxay hoos u dhigi doontaa korodhka heerkulka, iyo xoojinta sare ee ether-ka cellulose, saamaynta heerkulka;
4. Xalka Hydroxypropyl methylcellulose inta badan waa pseudoplastic, kaas oo leh hantida khafiifinta xiirta. Markasta oo uu bato heerka dhogorta inta lagu jiro baaritaanka, ayaa hoos u dhigaya viscosity-ga.
Sidaa darteed, isku-xidhka hoobiyeyaasha ayaa hoos u dhici doona sababtoo ah xooga dibadda ah, taas oo faa'iido u leh dhismaha xoqidda hoobiye, taas oo keeneysa karti-shaqsiyeed wanaagsan iyo isku-xirnaanta hoobiye isku mar.
Xalka hydroxypropyl methylcellulose wuxuu muujin doonaa sifooyinka dheecaanka Newtonian marka diiradda la saaro aad u hooseeya oo mawgu hooseeyo. Marka fiirsigu kordho, xalku si tartiib tartiib ah ayuu u muujin doonaa sifooyinka dareeraha pseudoplastic, iyo inta badan feejignaanta, waxay sii caddahay pseudoplasticity.
Waqtiga boostada: Jan-28-2023