Focus on Cellulose ethers

Fikradaha aasaasiga ah iyo Kala soocida Cellulose Eter

Fikradaha aasaasiga ah iyo Kala soocida Cellulose Eter

Ethers Cellulose waa nooc ka mid ah polymers-ka biyaha-milmi kara oo laga soo qaatay cellulose, polymer dabiici ah oo laga helo gidaarada unugyada dhirta.Waxaa si weyn loogu isticmaalaa codsiyada warshadaha kala duwan sababtoo ah sifooyinkooda gaarka ah sida milanka biyaha, kartida filim samaynta, iyo guryaha dhumucdooda.Fikradaha aasaasiga ah iyo kala soocida ethers cellulose waa sida soo socota:

1. Qaab dhismeedka Cellulose: Cellulose waa polymer toosan oo ka kooban unugyo gulukoos ah oo soo noqnoqda oo ku xidhan β-1,4-glycosidic bonds.Unugyada gulukooska waxa lagu habeeyey silsilad toosan, kaas oo ay dejisay isku xidhka haydaroojin ee u dhexeeya silsiladaha ku xiga.Heerka polymerization ee cellulose way kala duwan tahay iyadoo ku xiran isha waxayna u dhexeysaa dhowr boqol ilaa dhowr kun.

2. Cellulose Ether Derivatives: Cellulose ethers waxaa laga soo qaatay cellulose by wax ka beddelka kiimikada.Noocyada ugu caansan ee ethers cellulose waxaa ka mid ah methylcellulose (MC), hydroxypropyl methylcellulose (HPMC), ethylcellulose (EC), carboxymethyl cellulose (CMC), iyo kuwo kale.Nooc kasta oo ah ether cellulose wuxuu leeyahay sifooyin gaar ah iyo codsiyo.

3. Kala soocida Ethers Cellulose: Ethers Cellulose waxaa loo kala saari karaa iyadoo lagu salaynayo heerka beddelkooda (DS), taasoo ah tirada kooxaha beddelka ah ee unugga gulukoosta.DS ee ethers-ka cellulose-ka ayaa go'aamiya milmayntooda, viscosity-kooda, iyo hantidooda kale.Tusaale ahaan, MC iyo HPMC ee leh DS hoose waa biyo-milmi kara oo loo isticmaalo dhumuc ahaan, halka EC oo leh DS sare aan lagu milmi karin biyaha oo loo isticmaalo sida walxaha dahaarka ah.

4. Codsiyada Ethers Cellulose: Ethers Cellulose waxay leeyihiin codsiyo kala duwan oo kala duwan oo ku saabsan cuntada, dawooyinka, qurxinta, iyo warshadaha dhismaha.Waxa loo isticmaalaa sida dhumucyada, xasiliyayaal, emulsifiers, binders, iyo wakiilada filim samaynta.Tusaale ahaan, HPMC waxa loo isticmaalaa sidii dhumuc weyn oo ka mid ah alaabta cuntada, CMC waxa loo isticmaalaa sida xidhe ee kiniiniyada dawooyinka, iyo MC waxa loo isticmaalaa sida wakiilka-samaynta filimada ee alaabta la isku qurxiyo.

Gebogebadii, ethers-ka cellulose waa polymers badan oo leh sifooyin iyo codsiyo gaar ah.Fahamka fikradahooda aasaasiga ah iyo kala soocida waxay kaa caawin kartaa xulashada ether-ka cellulose-ka habboon ee codsi gaar ah.


Waqtiga boostada: Mar-20-2023
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