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Ci gaban bincike na kayan aikin nanocellulose da aikace-aikacen su

Lokaci:2021-08-30 Hits:

Nanocellulose shine mafi yawan albarkatun halittun halittu a duniya. Yana da fa'idodi na raguwa mai sauƙi, sabuntawa, mara guba, arha da sauƙin samu, kuma ana sa ran maye gurbin albarkatun man petrochemical na gargajiya kuma a yi amfani da su don samar da kayan aikin ci gaba daban-daban tare da ƙarin ƙima. Dangane da hanyar shiri da tushen nanocellulose, nanocellulose za a iya raba kashi uku: cellulose nanocrystalline (CNC), cellulose nanocellulose (CNF) da kwayoyin cellulose (BC).




Hoto 1. Sources, microstructure da yuwuwar aikace-aikace na nanocellulose



Nanocellulose kayan aiki don chiral photonics
Chirality ya kasance a ko'ina a yanayi kuma yana taka muhimmiyar rawa a kimiyyar rayuwa da kimiyyar abin duniya. CNC shine nanometer chiral photonic crystal abu. The chiral nematic ruwa crystal tsarin tsarin CNC ba za a iya amfani da kawai don shirya aikin fim kayan aiki tare da manyan inji Properties da na musamman na gani Properties., amma kuma a yi amfani dashi azaman nau'in samfuri mai laushi mai laushi don haifar da nanoparticles don samar da kayan aiki tare da tsarin chiral. Saboda haka, chiral catalysis, chiral metamaterials, boye-boye polarization da biosensing suna da mahimmancin ƙimar aikace-aikacen.



Hoto 2. Aikace-aikacen kayan aikin nanocellulose a cikin photonics na chiral



Nanocellulose kayan aiki don direbobin software
A cikin 'yan shekarun nan, Masana kimiyya da fasaha sun tsara nau'ikan na'urori masu kaifin basira na biomimetic bisa lallausan abu da aka samu daga nau'ikan polymers na roba daban-daban., irin su hydrogels na al'ada, ruwa crystal elastomers da siffa memory polymers, don yin koyi ko ma zarce halayen tuƙi na halittu masu rai. Duk da haka, waɗannan kayan aikin polymer na gargajiya galibi ana haɗa su ta hanyar hadaddun matakai, suna da tsada kuma suna da wahalar ragewa ko sake sarrafa su, wanda zai iya sanya wani nauyi a kan muhalli. Yana da kyau a lura cewa direbobin software na biomimetic bisa nanocellulose sun fi jan hankali sosai saboda ƙwarewar injin su., high danshi sha iya aiki, dorewa ko yanayin yanayi, reusable ko biodegradable da biocompatibility.



FIG. 3. Aikace-aikacen kayan aikin tushen nanocellulose a cikin filin direban software



Nanocellulose kayan aiki don ajiyar makamashi
Nanocellulose yana da babban yanki na musamman, m inji sassauci, kyakkyawan kwanciyar hankali da sinadarai da kuma abokantaka na muhalli, kuma zaruruwa suna interlated da juna. Yana da sauƙi don samar da tsari mai laushi don ion da jigilar lantarki. Ƙungiyoyin ayyuka na hydrophilic kamar ƙungiyar hydroxyl da ƙungiyar carboxyl suna haɗe a saman fiber, wanda ke da ikon riƙe danshi mai kyau a cikin maganin electrolyte, yin kayan aikin da aka samo asali suna da fa'idar aikace-aikacen da ke da fa'ida a fagen ajiyar makamashi. Kayan aikin tushen Nanocellulose ba za a iya amfani da su azaman sassa daban-daban na na'urorin ajiyar kuzari ba, kamar diaphragm, electrolyte, m da m. A lokaci guda, high zafin jiki carbonization, Ana iya amfani da situ situ sinadaran polymerization da dabarun jijiya electrochemical don haɗawa da kayan lantarki don samun mafi kyawun nanostructures da kyawawan kaddarorin electrochemical..



Hoto 4. Aikace-aikacen kayan aikin tushen nanocellulose a cikin filin ajiyar makamashi



Kayan aikin Nanocellulose don aikace-aikacen ilimin halitta
A cikin yanayin bushewa, kayan aikin injiniya na nanocellulose suna kama da kashi na mutum, while in the wet state, dabi'un jiki da sinadarai na nanocellulose sun yi kama da matrix extracellular. A halin yanzu, ban da kyawawan halaye na zahiri da sinadarai, nanocellulose yana da babban jituwa tare da wasu polymers ko kayan aiki, wanda ke sa kayan aikin nanocellulose suna da kyakkyawar ƙima mai amfani da fa'idar aikace-aikacen fa'ida a fagen ilimin halittu.



Hoto 5. Aikace-aikacen kayan aikin tushen nanocellulose a cikin filin nazarin halittu

 


(Source: Gaba a Kimiyyar Polymer)