Starch Ethere uye cellulose ether ari maviri marudzi ese eEther anobva mune akasiyana maindasitiri, kunyanya mukuvaka uye huviri. Nepo vachigovana zvimwe zvakafanana nezvekuva padzinodzora mvura-manyorerwe nekukakavara uye kusimbisa zvivakwa, kune mutsauko wakakosha pakati pavo, kunyanya mune yavo sosi uye yemakemikari chimiro.
Starch Ether:
1. Kunobva:
- Chisikwa Chakasikwa: Starch Ether inotorwa kubva kumarara, iyo iri kabhodhi yakavezwa inowanikwa muzvirimwa. Starch inowanzo bviswa kubva pazvirimwa sechibage, mbatatisi, kana cassava.
2. Chemical chimiro:
- Polymer kuumbwa: Starch iPolysaccharide yakaumbwa neyegirazi zvikamu zvakabatana neGlycosiic Zvisungo. Starch anaitinhini yakagadziridzwa kubva kumarara, apo maHydroxyl mapoka pane starch mamorekuru anotsiviwa nemapoka ether.
3. Zvikumbiro:
- Indasitiri yekuvaka: Starwe anaitinhi vanowanzoshandiswa muindasitiri yekuvaka seyakawedzera muGypsum zvigadzirwa, monganda, uye zvigadzirwa-zvakavakirwa. Ivo vanopa basa rekuvandudza kushanda, kuchengetwa kwemvura, uye kuderedza.
4. Mhando dzakajairika:
- HydroxytHyl Starch (Hes): Imwechete yakajairika mhando yerarch iTher is hydroxyll strart, uko maHydroxytethyl mapoka anounzwa kuti agadzirise chimiro che starch.
Cellulose ether:
1. Kunobva:
- Chisikwa Chakasikwa: Cellulose ether inotorwa kubva kuCellulose, iyo yakasikwa polymer inowanikwa mumasero emaruva emari. Icho chinhu chikuru chechirwere chemasero emasero uye chinobviswa kubva kune masosi akadai sehuni dzemapuranga kana machira.
2. Chemical chimiro:
- Polymer kuumbwa: Cellulose ndeye mutsara weLollmer anosanganisira zvikamu zveGlucose akabatanidzwa ne β-3,4-glycosic zvisungo. Cellulose ana ana vana vanobva kuma cellölose, uko maHydroxyl mapoka ari pamasololose molecule anoshandurwa nemapoka e-ether mapoka.
3. Zvikumbiro:
- Indasitiri yekuvaka: Cellulose ana vanayo vanoshandisa zvakapararira muindasitiri yekuvaka, yakafanana nedambudziko ravanotonga. Ivo vanoshandiswa pamasimendi-based zvigadzirwa, matairi anomhara, uye madhiri ekuwedzera kuchengetedzwa kwemvura, kushanda uye kuderedza.
4. Mhando dzakajairika:
- HydroxytHyl Cellulose (HEC): Imwe Yevamwe Rudzi rweCellulose Erther ndeye Hydroxyl Cellulose.
- Methyl Cellulose (MC): Imwe mhando yemhando yakajairika methyl cellelose, uko methyl mapoka anoziviswa.
Misiyano Yakakosha:
1. Kunobva:
- Starch Ether inotorwa kubva kumarara, iyo carbohydrate inowanikwa mune zvidyarwa.
- cellulose ether inotorwa kubva ku cellulose, chikamu chikuru chemadziro emusero.
2. Chemical chimiro:
- Iyo base polymer ye strar ether iri starch, polssaccharide yakaumbwa neye glucose zvikamu.
- Iyo base polymer ye cellulose ether is cellulose, mutsara wemutsara unoumbwa wakaumbwa neye glucose zvikamu.
3. Zvikumbiro:
- Marudzi ese eVana anoshandiswa mune yekuvaka indasitiri, asi zvakanyatso mafambisirwo uye mafomu anogona kusiyana.
4. Mhando dzakajairika:
- HydroxyTHYL starch (hes) uye hydroxytHyl cellulose (Hec) mienzaniso yeiyi ether erivatives.
Nepo Starch Ether uye cellulose ether ari ese emvura-manyoreri emvura akashandiswa seanowedzera mumanyorero akasiyana-siyana ekushandisa, sosi yavo, uye zvivakwa zvemakemikari zvinosiyana. Misiyano iyi inogona kupesvedzera kuita kwavo mune chaiyo nzira uye maapplication.
Kutumira Nguva: Jan-06-2024