Focus on Cellulose ethers

Cellulose ether Qeexidda & Macnaha

Cellulose ether Qeexidda & Macnaha

Eter celluloseWaxaa loola jeedaa fasalka xeryahooda kiimikaad oo laga soo qaatay cellulose, polymer-ka dabiiciga ah ee laga helo gidaarada unugyada dhirta.Xeryahooda waxaa lagu soo saaraa qaab taxane ah oo isbeddel kiimikaad ah oo cellulose ah, kuwaas oo ku lug leh soo bandhigida kooxo kala duwan oo shaqeynaya molecule cellulose.Natiijooyinka ethers cellulose waxay soo bandhigaan noocyo kala duwan oo faa'iido leh, iyaga oo ka dhigaya kuwo qiimo leh codsiyada warshadaha kala duwan.

Tilmaamaha muhiimka ah ee ethers cellulose:

  1. Biyo Solubility: Ether-ka Cellulose caadi ahaan waa biyo-milmi kara, taasoo la micno ah inay ku milmi karaan biyaha si ay u sameeyaan xalal cad oo muuqda.
  2. Kooxaha Wax-ka-beddelka: Wax-ka-beddelka kiimikadu waxay soo bandhigaan kooxo kala duwan oo shaqeynaya, sida hydroxyethyl, hydroxypropyl, carboxymethyl, methyl, iyo kuwa kale, oo galay qaab-dhismeedka cellulose.Doorashada kooxda shaqeyneysa waxay saameyneysaa sifooyinka gaarka ah ee ether cellulose.
  3. Kala duwanaansho: Ether-ka Cellulose waa wax badan oo waxay ka helaan codsiyada warshadaha sida dhismaha, daawooyinka, cuntada, qurxinta, iyo kuwo kale.
  4. Guryaha dhumucda: Mid ka mid ah isticmaalka aasaasiga ah ee ethers cellulose waa sida dhumucyada qaababka kala duwan.Waxay ka qayb qaataan viscosity iyo xakamaynta rheological ee dareeraha.
  5. Samaynta Filimada: Qaar ka mid ah ethers cellulose waxay leeyihiin sifooyin filim samaynta, taas oo ka dhigaysa inay ku habboon yihiin codsiyada halka sameynta filimo khafiif ah oo khafiif ah la rabo.
  6. Isku-xidhka iyo Isku-xidhka: Ether-yada Cellulose waxay kor u qaadaan ku-xidhka iyo guryaha isku-xidhka qaab-dhismeedyada, iyaga oo ka dhigaya kuwo waxtar u leh xabagta, qalabka dhismaha, iyo kiniinnada daawada.
  7. Haynta Biyaha: Waxay leeyihiin sifooyin haynta biyaha oo aad u wanaagsan, iyaga oo ka dhigaya kuwo qiimo leh agabka dhismaha halkaas oo xakamaynta wakhtiyada qallajinta ay lagama maarmaan tahay.
  8. Xasilinta: Ethers Cellulose waxay u shaqeeyaan sidii xasiliyayaal ku jira emulsions iyo ganaaxyo, ka qaybqaata xasilloonida iyo isku-duubnaanta qaababka.

Tusaalooyinka ethers cellulose gaar ah waxaa ka mid ah Hydroxyethyl Cellulose (HEC), Hydroxypropyl Methylcellulose (HPMC), Carboxymethyl Cellulose (CMC), Methyl Cellulose (MC), iyo kuwa kale.Nooc kastaa wuxuu leeyahay astaamo u gaar ah waxaana lagu doortaa iyadoo lagu saleynayo shuruudaha codsiga loogu talagalay.

Marka la soo koobo, ether-ka cellulose-ka waxaa wax laga beddelay xeryahooda cellulose oo leh sifooyin kala duwan kuwaas oo ka dhigaya kuwo qiimo leh oo kala duwan oo ka mid ah alaabooyinka warshadaha iyo ganacsiga, taas oo gacan ka geysaneysa shaqadooda, xasilloonida, iyo waxqabadkooda.


Waqtiga boostada: Jan-20-2024
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