Uyini umehluko phakathi kwesitashi ether ne-cellulose ether?

I-Starch Ether kanye ne-cellulose ether yizo zombili izinhlobo ze-Ether Derivatives ezisetshenzisiwe ezimbonini ezahlukahlukene, ikakhulukazi ekwakhiweni nasekugqokeni. Ngenkathi babelana ngokufana okufanayo ngokwemibandela yokuba ngamanzi ancibilikisiwe ama-polymers anokuqina kanye nokuzinza izakhiwo, kunomehluko oyisisekelo phakathi kwawo, ikakhulukazi ekwakhiweni kwawo kwamakhemikhali nakwikhemikhali.

Isitashi ether:

1. Umthombo:
- Imvelaphi yemvelo: Isitashi ether sisuselwa esitashini, okuyi-carbohydrate etholakala ezitshalweni. Isitashi sivame ukukhishwa ezitshalweni ezinjengommbila, amazambane, noma umdumbula.

2. Isakhiwo samakhemikhali:
- Ukwakheka kwe-polymer: isitashi yi-polysaccharide ehlanganiswe ama-glucose amayunithi axhumene nama-glycosidic bond. AbakwaStarch Abathathi batholwa ama-depivatives ashintshiwe wesitashi, lapho amaqembu e-hydroxyl ku-molecule yesitashi afakwa esikhundleni ngamaqembu ether.

3. Izicelo:
- Imboni yezokwakha: Izithambisi zeStarch zivame ukusetshenziswa embonini yezokwakha njengezengezo emikhiqizweni esekwe ku-gypsum, zodaka, kanye nezinto zokwenziwa komoya. Banikela ekusebenziseni ngcono, ukugcinwa kwamanzi, kanye nokunamathela.

4. Izinhlobo ezijwayelekile:
- I-HydroxYethyl Starch (HES): Uhlobo olulodwa olujwayelekile lwesitashi i-ether i-hydroxyethyl Starch, lapho kwethulwa khona amaqembu e-hydroxyethyyl ukuguqula isimo sesitashi.

I-Cellulose Ether:

1. Umthombo:
- Imvelaphi yemvelo: I-Celsulose Ether isuselwa ku-cellulose, i-polymer yemvelo etholakala ezindongeni zeseli zezitshalo. Kuyingxenye enkulu yezindonga zeseli yezitshalo futhi ikhishwe emithonjeni efana ne-solip yokhuni noma ukotini.

2. Isakhiwo samakhemikhali:
- Ukwakheka kwe-polymer: I-cellulose iyi-polymer ekhanyayo equkethe ama-glucose amayunithi axhumeke ama-β-1,4-glycosidic bond. AbakwaCellulose Abathambeki bangama-cellulose, lapho amaqembu e-hydroxyl e-cellulose molecule aguqulwa ngamaqembu ether.

3. Izicelo:
- Imboni yezokwakha: Abathengisi beCellulose bathola ukusetshenziswa okubanzi embonini yezokwakha, okufana ne-Starch Tashe. Zisetshenziswa emikhiqizweni esekwe kuthumenti, izinamathiseli zethayela, kanye nodaka ukuze kuthuthukiswe ukugcinwa kwamanzi, ukusebenziseka kanye nokunamathelisa.

4. Izinhlobo ezijwayelekile:
- I-HydroxYethyl Cellulose (HEC): Uhlobo olulodwa lwe-cellulose ether yi-hydroxyethyl cellulose, lapho kwethulwa khona amaqembu ama-hydroxyethyyl ukuguqula isimo se-cellulose.
- I-Methyl Cellulose (MC): Olunye uhlobo olujwayelekile yi-methyl cellulose, lapho kwethulwa khona amaqembu we-methyl.

Umehluko Osemqoka:

1. Umthombo:
- Isitashi ether sisuselwa esitashini, i-carbohydrate etholakala ezitshalweni.
- I-Celsulose Ether isuselwa ku-cellulose, isakhi esikhulu sezindonga zeseli zezitshalo.

2. Isakhiwo samakhemikhali:
- I-polymer eyisisekelo ye-starch ether yi-starch, i-polysaccharide eyakhiwa amayunithi we-glucose.
- I-polymer eyisisekelo ye-cellulose ether iyi-cellulose, i-polymer eqondile eyakhiwe ngamayunithi we-glucose.

3. Izicelo:
- Zombili lezi zinhlobo zezimpi zisetshenziswa embonini yezokwakha, kepha izinhlelo ezithile nokwakheka kungahluka.

4. Izinhlobo ezijwayelekile:
- I-HydroxyYethyl Starch (HES) neHydroxYethyl celtulose (HEC) yizibonelo zalezi zinto ezivela etherr.

Ngenkathi i-starch ether ne-cellulose ether zombili ama-polymers ancibilikayo asetshenziswa njengezengezo kuzicelo ezahlukahlukene, umthombo wazo, isisekelo se-polymer, kanye nezinhlaka zamakhemikhali ezithile ziyehluka. Lo mehluko ungathonya ukusebenza kwawo ngendlela ethile kanye nezinhlelo zokusebenza.