Focus on Cellulose ethers

Isticmaalka viscosities kala duwan ee cellulose ee alaabta

Heerka warshadaha hydroxypropyl methylcellulose ee loo isticmaalo hoobiye (halkan waxaa loola jeedaa cellulose saafi ah, marka laga reebo alaabada la bedelay) waxaa lagu gartaa viscosity, iyo darajooyinka soo socda ayaa caadi ahaan loo isticmaalaa (cutubku waa viscosity):

Mawjad hoose: 400

Waxaa inta badan loo isticmaalaa hoobiyeyaasha is-milliminta;viscosity waa hooseeyaa, in kasta oo haynta biyuhu ay liidato, laakiin hantida simida ayaa wanaagsan, cufnaanta hoobiyeyaashana waa sarreeyaa.

Mawduuc dhexdhexaad ah iyo mid hooseeya: 20000-40000

Inta badan waxaa loo isticmaalaa xabagta tile, wakiilada caulking, ka hortagga dildilaaca hoobiyeyaasha, kulaylka isku xidha hoobiyeyaal, iwm.;dhismo wanaagsan, biyo yar, cufnaanta hoobiyeyaasha sare.

Mugdi dhexdhexaad ah: 75000-100000

Inta badan loo isticmaalo putty;biyo haynta wanaagsan.

Neefsashada sare: 150000-200000

Waxaa inta badan loo isticmaalaa polystyrene qayb ka mid ah kulaylka insulation hoobiye caag ah budada caag ah iyo vitrified microbead hoobiyeyaasha kulaylka vitrified;viscosity-ku wuu sarreeyaa, hoobiye ma fududa in la dumiyo, dhismuhuna waa la hagaajiyay.

Codsiyada wax ku oolka ah, waa in la ogaadaa in meelaha leh farqiga heerkulka weyn ee u dhexeeya xagaaga iyo jiilaalka, waxaa lagu talinayaa in la isticmaalo viscosity yar xilliga jiilaalka, kaas oo aad ugu habboon dhismaha.Haddii kale, marka heerkulku hooseeyo, viscosity ee cellulose ayaa kordhi doona, iyo dareenka gacantu waxay noqon doontaa mid culus marka la xoqo.

Guud ahaan marka loo hadlo, viscosity-ku sarreeyo, ayaa sii wanagsan sii haynta biyaha.Iyadoo la tixgelinayo kharashka, warshado badan oo dhoobo ah oo qallalan ayaa bedelaya cellulose dhexdhexaad ah iyo mid hooseeya (20000-40000) oo leh cellulose dhexdhexaad ah (75000-100000) si loo yareeyo qadarka isku-darka.Alaabooyinka hoobiyeyaasha waa in laga soo xusho soosaarayaasha caadiga ah oo la aqoonsado.

Xiriirka ka dhexeeya viscosity iyo heerkulka HPMC:

Viscosity ee HPMC waa ka duwanaansho u dhiganta heerkulka, taas oo ah, viscosity kordho marka heerkulku hoos u dhaco.Viscosity ee badeecada aan inta badan tixraacno waxay tixraacdaa natiijada tijaabada ee 2% xal aqueous ah oo heerkul ah 20 darajo Celsius.


Waqtiga boostada: Mar-06-2023
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