Focus on Cellulose ethers

Ibintu bya fiziki ya chimique ya selile ya Ethers

Ibintu bya fiziki ya chimique ya selile ya Ethers

Imiterere ya fiziki ya chimique ya selile ya selile, ikomoka kuri selile yahinduwe hakoreshejwe uburyo bwa chimique, iratandukanye bitewe nibintu nkubwoko bwihariye bwa selile ya selile, urugero rwo gusimbuza (DS), uburemere bwa molekile, nibindi biranga imiterere.Hano haribintu bimwe byingenzi bya fiziki ya chimique isanzwe ifitanye isano na selile ya selile:

1. Gukemura:

  • Amazi meza:Ethermubisanzwe amazi-ashonga, akora ibisubizo bisobanutse kandi bigaragara neza iyo bivanze namazi.Urwego rwo gukemura rushobora guterwa n'ubwoko bwihariye bwa selile ether na DS yayo.

2. Imiterere yimiti:

  • Ethers ya selile igumana imiterere shingiro ya selile, igizwe no gusubiramo ibice bya glucose bihujwe na β-1,4-glycosidic.Guhindura imiti itangiza amatsinda atandukanye asimburana, nka hydroxyethyl, hydroxypropyl, cyangwa carboxymethyl, bitewe n'ubwoko bwa selile.

3. Impamyabumenyi yo gusimbuza (DS):

  • DS yerekana impuzandengo yitsinda ryasimbuwe kuri anhydroglucose murwego rwa selile.Ihindura cyane cyane imiterere ya selile ya selile, nko gukomera kwamazi, ibishishwa, nibikorwa.

4. Uburemere bwa molekuline:

  • Uburemere bwa molekuline ya selile ya selile iratandukanye bitewe nuburyo bwo gukora nuburyo bukenewe.Uburemere buke bwa selile ya selile, urugero, irashobora kwerekana imiterere itandukanye ya rheologiya na viscosity ugereranije nuburemere buke bwa molekile.

5. Viscosity:

  • Ethers ya selile ikora nkibibyibushye bikora neza, kandi viscosity yabo ni umutungo wingenzi mubikorwa byinshi.Ubukonje bushobora guterwa nimpamvu nko kwibanda, ubushyuhe, nuburemere bwa molekile.Uburemere buremereye bwa selile ya selile akenshi bigira uruhare mubwiza bwinshi.

6. Ibyiza bya Rheologiya:

  • Imyitwarire ya rheologiya ya selile ya selile igena imigendekere yimiterere yabo.Biterwa nibintu nko kwibanda, igipimo cyogosha, nubushyuhe.Ether ya selile izwiho kwerekana imyitwarire ya pseudoplastique, aho ubukonje bugabanuka hamwe no kongera umuvuduko wogosha.

7. Imiterere ya Gel:

  • Ethers zimwe na zimwe za selile zifite ubushobozi bwo gukora geles mubihe byihariye, bigira uruhare mubikorwa byayo nkibibyimbye hamwe na stabilisateur muburyo butandukanye.

8. Ibyiza byo gukora firime:

  • Ethers zimwe na zimwe za selile zerekana imiterere ya firime, ikora firime yoroheje, ibonerana hejuru.Uyu mutungo ukoreshwa mubitambaro, ibifatika, nibindi bikorwa.

9. Kubika Amazi:

  • Ether ya selile ikunze kugira amazi meza yo kubika amazi, bigatuma agira agaciro mubikoresho byubwubatsi, aho bifasha kugenzura ibihe byumye no kunoza imikorere.

10. Ubushyuhe bukabije:

Ububasha hamwe nubwiza bwa selulose ethers irashobora kumva neza ihinduka ryubushyuhe.Ethers zimwe na zimwe za selile zirashobora kwerekana icyiciro cyo gutandukana cyangwa gelation kubushyuhe bwihariye.

11. Imiti ihamye:

Ether ya selile isanzwe ihagaze neza mububiko busanzwe.Nyamara, imiti ihindagurika irashobora gutandukana bitewe nubwoko bwihariye bwa selile etherose hamwe no kwandura kwangirika bitewe nibidukikije bimwe na bimwe.

12. Guhinduka:

- Guhinduka ni umutungo wingenzi, cyane cyane mubikorwa byo kubungabunga.Ethers zimwe na zimwe za selile zemerera kuvura bidasubirwaho, zemeza ko uburyo bwo kubungabunga ibidukikije bushobora guhinduka cyangwa guhindurwa bitiriwe byangiza ibikoresho byumwimerere.

13. Guhuza:

Ether ya selile irashobora guhuzwa nibindi bikoresho byinshi ninyongeramusaruro zikoreshwa mubikorwa bitandukanye.Ariko, ibizamini byo guhuza bigomba gukorwa mugihe utegura ibice byihariye.

Gusobanukirwa niyi miterere yumubiri ningirakamaro muguhuza ethers ya selile kubikorwa byihariye mubikorwa nkubwubatsi, imiti, ibiryo, kwisiga, no kubungabunga.Ababikora akenshi batanga ibisobanuro birambuye hamwe nubuyobozi bwo gukoresha ibicuruzwa byabo bya selile ether mubikorwa bitandukanye.


Igihe cyo kohereza: Mutarama-20-2024
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