IiPropati zePhysicochemical zeCellulose Ethers

Iimpawu ze-physicochemical ze-cellulose ethers, eziphuma kwi-cellulose eguqulwe ngeenkqubo zemichiza, ziyahluka ngokusekelwe kwizinto ezifana nohlobo oluthile lwe-cellulose ether, i-degree of substitution (DS), ubunzima be-molecular, kunye nezinye iimpawu zesakhiwo. Nazi ezinye iipropathi eziphambili zephysicochemicals eziqhelekileyo ezinxulumene ne-cellulose ethers:

1. Ukunyibilika:

• Ukunyibilika kwamanzi:I-cellulose ethersziqhele ukunyibilika emanzini, zenza izisombululo ezicacileyo nezibonakalayo xa zixutywe namanzi. Iqondo lokunyibilika linokuphenjelelwa luhlobo oluthile lwe-cellulose ether kunye ne-DS yayo.

2. Ulwakhiwo lweMichiza:

• I-cellulose ethers igcina isakhiwo esisisiseko se-cellulose, equlethwe ngokuphindaphindiweyo kweeyunithi ze-glucose ezidityaniswe ngamabhondi e-β-1,4-glycosidic. Ukuguqulwa kweekhemikhali kwazisa amaqela ahlukeneyo athatha indawo, njenge-hydroxyethyl, i-hydroxypropyl, okanye i-carboxymethyl, kuxhomekeke kuhlobo lwe-cellulose ether.

3. Isidanga soTshintsho (DS):

• I-DS ibonisa i-avareji yenani lamaqela atshintshiweyo ngeyunithi ye-anhydroglucose kwikhonkco leselulosi. Ichaphazela kakhulu iipropathi ze-cellulose ethers, ezifana nokunyibilika kwamanzi, i-viscosity, kunye nokusebenza.

4. Ubunzima beMolekyuli:

• Ubunzima be-molecular of cellulose ethers buhluka ngokuxhomekeke kwinkqubo yokuvelisa kunye nesicelo esifunwayo. Ii-ethers ze-cellulose ezinobunzima obuphezulu be-molecular, umzekelo, zinokubonisa iimpawu ezahlukeneyo ze-rheological kunye ne-viscosity xa kuthelekiswa nomlinganiso ophantsi we-molecular weight.

5. I-Viscosity:

• I-cellulose ethers isebenza njenge-thickeners esebenzayo, kwaye i-viscosity yabo yipropati ebalulekileyo kwizicelo ezininzi. I-viscosity inokuphenjelelwa zizinto ezifana nokugxila, ubushushu kunye nobunzima bemolekyuli. I-ethers ephezulu ye-molecular weight cellulose ihlala inegalelo kwi-viscosity ephezulu.

6. IiPropati zeRheological:

• Ukuziphatha kwe-rheological ye-cellulose ethers inquma ukuhamba kwabo kunye neempawu zokuguqulwa. Iphenjelelwa zizinto ezinje ngoxinaniso, izinga lokucheba, kunye nobushushu. I-cellulose ethers iyaziwa ngokubonisa ukuziphatha kwe-pseudoplastic, apho i-viscosity iyancipha ngokunyuka kwesantya sokucheba.

7. Ukwenziwa kweGel:

• I-ethers ethile ye-cellulose inamandla okwenza i-gel phantsi kweemeko ezithile, igalelo kwisicelo sabo njenge-thickeners kunye ne-stabilizers kwiifom ezahlukeneyo.

8. IiPropati zokuSebenza ifilimu:

• Ezinye ii-cellulose ethers zibonisa iipropathi zokwenza ifilim, zenza iifilimu ezibhityileyo, ezicacileyo kumphezulu. Lo mhlaba usetyenziswa kwi-coatings, i-adhesives, kunye nezinye izicelo.

9. Ugcino lwamanzi:

• I-cellulose ethers ihlala ineempawu ezigqwesileyo zokugcina amanzi, zibenza baxabiseke kwizinto zokwakha, apho bancedisa ukulawula ixesha lokumisa kunye nokuphucula ukusebenza.

10. Uvakalelo lobushushu:

11. Ukuzinza kweMichiza:

12. Ukubuyisela umva:

13. Ukuhambelana:

Ukuqonda ezi mpawu zephysicochemical kubalulekile ekulungiseni i-cellulose ethers kwizicelo ezithile kumashishini afana nokwakha, amayeza, ukutya, izithambiso kunye nolondolozo. Abavelisi bahlala benikezela ngeenkcukacha ezicacileyo kunye nezikhokelo zokusetyenziswa kweemveliso zabo ze-cellulose ether kwizicelo ezahlukeneyo.