Focus on Cellulose ethers

Kodi hypromellose imapangidwa kuchokera ku chiyani?

Kodi hypromellose imapangidwa kuchokera ku chiyani?

Hypromellose, yomwe imadziwikanso kuti hydroxypropyl methylcellulose (HPMC), ndi polima wopangidwa kuchokera ku cellulose.Amapangidwa ndikusintha mankhwala a cellulose achilengedwe omwe amapezeka kuchokera kumitengo yamatabwa kapena ulusi wa thonje kudzera munjira yotchedwa etherification.Pochita izi, ulusi wa cellulose umathandizidwa ndi kuphatikiza kwa propylene oxide ndi methyl chloride, zomwe zimapangitsa kuti magulu a hydroxypropyl ndi methyl awonjezere ku ma cellulose.

Zotsatira zake ndi polima wosungunuka m'madzi womwe umagwiritsidwa ntchito mosiyanasiyana, kuphatikiza mankhwala, zodzoladzola, zakudya, ndi zakudya zowonjezera.Hypromellose imapezeka m'magiredi osiyanasiyana, yokhala ndi masikelo osiyanasiyana a mamolekyulu ndi magawo olowa m'malo, kutengera zomwe akufuna.

Ponseponse, hypromellose imatengedwa kuti ndi yotetezeka komanso yolekerera bwino ikagwiritsidwa ntchito monga mwalangizidwa.Nthawi zambiri amagwiritsidwa ntchito ngati ❖ kuyanika, kukhuthala, komanso kukhazikika muzinthu zambiri ndipo amayamikiridwa chifukwa cha kuthekera kwake kupititsa patsogolo kukhazikika kwazinthu, kukulitsa kukhuthala, komanso kukulitsa magwiridwe antchito azinthu.

 


Nthawi yotumiza: Mar-04-2023
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