Inqubo yokwenziwa kwe-methyl cellulose ether

Ukwenziwa kwemethyl cellulose etherkufaka ukuguqulwa kwamakhemikhali kwe-cellulose ngokusebenzisa ukusabela kokuthezeka. I-Methyl cellulose (MC) iyi-celluble celluble cellulose ether esetshenziswa kabanzi kwizimboni ezahlukahlukene. Nakhu ukubuka konke okujwayelekile kwenqubo yokwenziwa kwe-methyl cellulose ether:

1. Ukukhetha komthombo weselula:

• Inqubo iqala ngokukhethwa komthombo we-cellulose, evame ukuthathwa kusuka ku-soni pulp noma ukotini. Umthombo we-cellulose ukhethwa ngokususelwa kwizici ezifunwayo zomkhiqizo wokugcina we-methyl cellulose.

2. Ukuphamba:

• Umthombo okhethiwe we-cellulose ukhuphuka, inqubo ebhidliza imicu ibe yifomu elilawulwa ngokwengeziwe. Ukuphahlazeka kungatholakala ngezindlela zemishini noma zamakhemikhali.

3. Ukwenza kusebenze i-cellulose:

• I-cellulose egayiwe icushiwe ngokuyiphatha ngesisombululo se-alkaline. Lesi sinyathelo sihlose ukuvuvukala imicu ye-cellulose, okwenza ukuthi basebenze ngokwengeziwe ngesikhathi sokuphendula okulandelayo kwetherade.

4. Ukuphendula okuthe xaxa:

• I-cellulose ecushiwe ithola ukusheshisa, lapho amaqembu ether, kulokhu, amaqembu we-methyl, angeniswa emaqenjini ama-hydroxy ku-cellulose polymer chain.
• Ukusabela kokusheshisa kuhilela ukusetshenziswa kwama-methylating agents anjenge-sodium hydroxide kanye ne-methyl chloride noma i-dimethyl sulfate. Izimo zokuphendula, kufaka phakathi izinga lokushisa, ingcindezi, nesikhathi sokuphendula, zilawulwa ngokucophelela ukuze kufinyelelwe degree efunwayo (DS).

5. Ukungathathi hlangothi nokugeza:

• Ngemuva kokuphendula ukusheshisa, umkhiqizo awuthathi hlangothi ukuze ususe i-alkali eyeqile. Izinyathelo zokugeza ezalandela zenziwa ukuze ziqede amakhemikhali asele nokungcola.

6. Ukomisa:

• Isokisi elihlanjwe ne-methylated alomile ukuthola umkhiqizo wokugcina we-methyl cellulose ekhewini le-powder noma ama-granule.

7. Ukulawulwa kwekhwalithi:

• Amasu ahlukahlukene wokuhlaziya, kufaka phakathi i-spectoscopy yenuzi yenuzi (NMR) Spectroscopy, i-Four-Transform infrared (ftir) spectroscopy, kanye ne-chromatography, zisetshenziselwa ukulawulwa kwekhwalithi. Izinga lokufakwa esikhundleni (DS) liyipharamitha ebalulekile ebhekwe ngesikhathi sokukhiqiza.

8. Ukwakheka nokupakisha:

• I-methyl cellulose ether yasungulwa ngamamaki ahlukene ukufeza izidingo ezithile zezicelo ezahlukahlukene. Amabanga ahlukene angahluka ekuboneni kwabo, usayizi wezinhlayiyana, nezinye izakhiwo.
• Imikhiqizo yokugcina ihlanganiswe ukusatshalaliswa.

Kubalulekile ukuqaphela ukuthi imibandela ethile kanye nama-realents asetshenziswa ekuphenduleni ukuhanjiswa kungahluka ngokuya ngezinqubo zokuphathelene nomenzi kanye nezici ezifiselekayo zomkhiqizo we-methyllulose. I-Methyl celtulose ithola izinhlelo zokusebenza embonini yokudla, amakhemisi, ekwakheni, kanye neminye imikhakha ngenxa ye-soubity yayo yamanzi namakhono okwenziwa ngamafilimu.