Yintoni umahluko phakathi kwe-starch ether kunye ne-cellulose ether?

I-starch ether kunye ne-cellulose ether zombini ziintlobo ze-ether derivatives ezisetyenziswa kumashishini ahlukeneyo, ngakumbi ekwakheni nakwiingubo. Nangona zifana ngokufana ngokuba zii-polymers ezinyibilikayo emanzini ezineempawu zokutyeba nokuzinzisa, kukho umahluko omkhulu phakathi kwazo, ngokuyintloko kwimvelaphi yazo kunye nesakhiwo sazo seekhemikhali.

I-Ether yesitatshi:

1. Umthombo:
- Imvelaphi yendalo: I-starch ether ifumaneka kwi-starch, eyi-carbohydrate efumaneka kwizityalo. I-starch idla ngokukhutshwa kwizityalo ezifana nombona, iitapile, okanye i-cassava.

2. Ulwakhiwo lweeKhemikhali:
- Ukwakheka kwePolymer: Isitatshi yipolysaccharide eyenziwe ziiyunithi zeglucose ezidityaniswe ziibhondi zeglycosidic. Ii-ether zesitatshi zizinto eziguqulweyo ezivela kwisitatshi, apho amaqela e-hydroxyl kwimolekyuli yesitatshi athathelwa indawo ngamaqela e-ether.

3. Izicelo:
- Ishishini Lokwakha: Ii-starch ethers zihlala zisetyenziswa kwishishini lokwakha njengezongezo kwiimveliso ezisekwe kwi-gypsum, kwiimortars, nakwizinto ezisekwe kwisamente. Zinegalelo ekuphuculweni kokusebenza, ukugcinwa kwamanzi, kunye nokunamathela.

4. Iindidi eziqhelekileyo:
- Isitatshi seHydroxyethyl (HES): Uhlobo oluqhelekileyo lwe-starch ether yi-hydroxyethyl starch, apho amaqela e-hydroxyethyl aziswa khona ukutshintsha isakhiwo sesitatshi.

I-Ether yeSellulose:

1. Umthombo:
- Imvelaphi yendalo: I-Cellulose ether ifumaneka kwi-cellulose, i-polymer yendalo efumaneka kwiindonga zeeseli zezityalo. Yinxalenye ephambili yeendonga zeeseli zezityalo kwaye ikhutshwa kwimithombo efana ne-pulp yomthi okanye ikotoni.

2. Ulwakhiwo lweeKhemikhali:
- Ukwakheka kwePolymer: I-Cellulose yi-polymer ethe ngqo equlathe iiyunithi zeglucose ezidityaniswe ziibhondi ze-β-1,4-glycosidic. Ii-ether ze-Cellulose zizinto ezivela kwi-cellulose, apho amaqela e-hydroxyl kwi-molecule ye-cellulose aguqulwa ngamaqela e-ether.

3. Izicelo:
- Ishishini Lokwakha: Ii-ether ze-cellulose zisetyenziswa kakhulu kwishishini lokwakha, njengee-ether ze-starch. Zisetyenziswa kwimveliso esekelwe kwisamente, kwizincamathelisi zethayile, nakwi-mortars ukuphucula ukugcinwa kwamanzi, ukusebenza kakuhle, kunye nokunamathela.

4. Iindidi eziqhelekileyo:
- I-Hydroxyethyl Cellulose (HEC): Uhlobo oluqhelekileyo lwe-cellulose ether yi-hydroxyethyl cellulose, apho amaqela e-hydroxyethyl aziswa khona ukutshintsha isakhiwo se-cellulose.
- I-Methyl Cellulose (MC): Olunye uhlobo oluqhelekileyo yi-methyl cellulose, apho amaqela e-methyl aziswa khona.

Umahluko oPhambili:

1. Umthombo:
- I-starch ether ifumaneka kwi-starch, i-carbohydrate efumaneka kwizityalo.
- I-Cellulose ether ifumaneka kwi-cellulose, eyona nto iphambili eludongeni lweeseli zezityalo.

2. Ulwakhiwo lweeKhemikhali:
- I-polymer esisiseko ye-starch ether yi-starch, i-polysaccharide eyenziwe ngeeyunithi zeglucose.
- I-polymer esisiseko ye-cellulose ether yi-cellulose, i-polymer ethe ngqo eyenziwe ngeeyunithi zeglucose.

3. Izicelo:
- Zombini iintlobo ze-ethers zisetyenziswa kwishishini lokwakha, kodwa usetyenziso oluthile kunye neendlela zokwenziwa zingahluka.

4. Iindidi eziqhelekileyo:
- Isitatshi seHydroxyethyl (HES) kunye nehydroxyethyl cellulose (HEC) zimizekelo yezi zinto ziphuma kwi-ether.

ngelixa i-starch ether kunye ne-cellulose ether zombini zii-polymers ezinyibilikayo emanzini ezisetyenziswa njengezongezo kwizicelo ezahlukeneyo, umthombo wazo, i-polymer esisiseko, kunye nezakhiwo ezithile zeekhemikhali zahlukile. Olu mahluko lunokuchaphazela ukusebenza kwazo kwifomyula ethile kunye nezicelo.