Nui nā ʻano cellulose, a he aha nā ʻokoʻa o kā lākou hoʻohana ʻana?
ʻO ka Cellulose kahi polymer kūlohelohe a nui i loaʻa i loko o nā paia o nā mea kanu, e hāʻawi ana i ke kākoʻo a me ka rigidity. Aia ia me nā ʻāpana glucose i hoʻopili pū ʻia ma o nā paʻa β-1,4-glycosidic. ʻOiai ʻo ka cellulose ponoʻī he mea homogeneous, ʻo ke ʻano o ka hoʻonohonoho ʻana a me ka hana ʻana i nā hopena i nā ʻano like ʻole me nā waiwai a me nā noi like ʻole.
1.Microcrystalline Cellulose (MCC):
MCChana ʻia ma ka mālama ʻana i nā fiber cellulose me nā ʻakika mineral, ka hopena i nā ʻāpana liʻiliʻi, crystalline.
Hoʻohana: Hoʻohana nui ʻia ʻo ia ma ke ʻano he bulking agent, binder, a disintegrant i loko o nā ʻano lāʻau lapaʻau e like me nā papa a me nā capsules. Ma muli o kona ʻano inert a me ka compressibility maikaʻi loa, hōʻoia ʻo MCC i ka hāʻawi like ʻana i ka lāʻau lapaʻau a hoʻomaʻamaʻa i ka hoʻokuʻu lāʻau.
2.Cellulose Acetate:
Loaʻa ka cellulose acetate ma o ka acetylating cellulose me ka acetic anhydride a i ʻole acetic acid.
Hoʻohana: Hoʻohana mau ʻia kēia ʻano cellulose i ka hana ʻana i nā fibers no nā textiles, me nā lole a me nā upholstery. Hoʻohana pū ʻia ia i ka hana ʻana i nā kānana cigarette, kiʻi kiʻi kiʻi, a me nā ʻano ʻano membrane like ʻole ma muli o kona ʻano semi-permeable.
3. Ethylcellulose:
Loaʻa ʻia ka Ethylcellulose mai ka cellulose ma ka hana ʻana me ka ethyl chloride a i ʻole ethylene oxide.
Hoʻohana: ʻO kāna mau waiwai hana kiʻiʻoniʻoni maikaʻi loa a me ke kūpaʻa ʻana i nā mea hoʻoheheʻe organik e kūpono i ka ethylcellulose no ka uhi ʻana i nā papa lāʻau lapaʻau, e hāʻawi ana i ka hoʻokuʻu ʻana i nā lāʻau lapaʻau. Hoʻohui ʻia, hoʻohana ʻia ia i ka hana ʻana i nā inks, adhesives, a me nā uhi kūikawā.
4.Hydroxypropyl Methylcellulose (HPMC):
HPMCua hoʻohui ʻia ma ka hoʻololi ʻana i nā pūʻulu hydroxyl o cellulose me nā pūʻulu methyl a me hydroxypropyl.
Hoʻohana: Hana ʻo HPMC ma ke ʻano he mānoanoa, stabilizer, a me ka emulsifier i nā ʻoihana like ʻole, me ka meaʻai, nā mea hoʻonaninani, a me nā lāʻau lapaʻau. Loaʻa maʻamau ia i nā huahana mālama pilikino e like me nā lotions, nā ʻaila, a me nā ʻaila, a me nā noi meaʻai e like me nā kīʻaha, nā lole, a me ka ice cream.
5.Sodium Carboxymethyl Cellulose (CMC):
Hana ʻia ka CMC ma ka mālama ʻana i ka cellulose me ka chloroacetic acid a me ka alkali.
Hoʻohana: Ma muli o kona hiki ke hoʻoheheʻe wai a me nā waiwai mānoanoa,CMChoʻohana nui ʻia e like me ka stabilizer a me ka viscosity modifier i nā huahana meaʻai, lāʻau lapaʻau, a me nā noi ʻoihana. Loaʻa pinepine ia i loko o nā meaʻai i kālua ʻia, nā huahana waiu, nā niho, a me nā mea holoi.
6. Nitrocellulose:
Hana ʻia ka Nitrocellulose e ka nitrating cellulose me ka hui ʻana o ka waikawa nitric a me ka waikawa sulfuric.
Hoʻohana: Hoʻohana nui ʻia ia i ka hana ʻana i nā mea pahū, nā lacquers, a me nā plastic celluloid. Ua kaulana nā lacquers i hoʻokumu ʻia i ka Nitrocellulose i ka hoʻopau ʻana i ka lāʻau a me nā uhi kaʻa ma muli o ko lākou maloʻo wikiwiki ʻana a me nā waiwai nani.
7.Bacterial Cellulose:
Hoʻopili ʻia ka cellulose bacteria e kekahi mau ʻano bacteria ma o ka fermentation.
Hoʻohana: ʻO kona mau waiwai kūʻokoʻa, me ka maʻemaʻe kiʻekiʻe, ka ikaika tensile, a me ka biocompatibility, e hoʻolilo i ka cellulose bacteria i mea waiwai i nā noi biomedical e like me ka hoʻopaʻa ʻana i nā ʻeha, nā scaffolds ʻenekinia kiko, a me nā ʻōnaehana lawe lāʻau.
Hāʻawi nā ʻano like ʻole o ka cellulose i kahi ākea o nā noi ma waena o nā ʻoihana like ʻole, me nā lāʻau lapaʻau, textiles, meaʻai, cosmetics, a me ka hana ʻana. Loaʻa i kēlā me kēia ʻano nā waiwai kūʻokoʻa e kūpono ai no nā hoʻohana kikoʻī, mai ka hāʻawi ʻana i ke kākoʻo kūkulu ʻana i nā papa lāʻau lapaʻau a hiki i ka hoʻonui ʻana i ke ʻano o nā huahana meaʻai a i ʻole ke lawelawe ʻana ma ke ʻano he mea hoʻomau i ka biotechnology. ʻO ka hoʻomaopopo ʻana i kēia mau ʻokoʻa e hiki ai i ke koho ʻia ʻana o nā ʻano cellulose e hoʻokō i nā koi hana kūikawā ma nā noi like ʻole.
Ka manawa kau: Apr-06-2024