Methylcellulose (MC)ndihydroxypropylmethylcellulose (hpmc)Zonsezi ndizomwe zimagwiritsidwa ntchito bwino kwambiri pazakudya, zomwe zimagwiritsidwa ntchito kwambiri mu chakudya, mankhwala, zodzoladzola, zomangamanga ndi makampani. Ngakhale nyumba zawo zoyambira zamankhwala zimachokera ku cellulose, pali kusiyana kwakukulu mu mankhwala, zinthu zakuthupi ndi madera ogwiritsira ntchito.
1. Kupanga mankhwala
Methylcellulose (MC) imapangidwa ndi kulowetsedwa gawo la hydroxyl (-oh) ma realuuse molekyu ndi methyl (-Och3). Kuchuluka kwa methylation kumatha kuwongolera, nthawi zambiri kumafotokozedwa ngati digiri ya methylation. Kapangidwe ka MC ndi kosavuta, makamaka magulu a hydroxyl pa cellulose molecular unyolo wasinthidwa ndi magulu a meth.
Hydroxypypyll methylcellulose (hpmc) amachokera ku methylation, ndikusinthanso gawo la ma hydroxyl molekyu (-Ch3hnioh). Chifukwa chake, HPMC ndi yochokera ku methylcellulose, koma ali ndi zovuta zambiri. HPMC ili ndi magulu awiri, methyl ndi hydroxypropyl, kotero mawonekedwe ake ndi ovuta kwambiri kuposa MC.
2. Mphamvu zathupi ndi kusungunuka
Kusungunuka:
Methylcellulose imatha kupanga njira ya colloidal m'madzi ozizira, koma sizophweka kusungunuka m'madzi otentha. Kusungunuka kwake kumakhudzidwa kwambiri ndi kutentha kwamadzi ndi mtengo wamadzi, makamaka kutentha kwa kutentha, kusungunuka kwa MC ichepa kwambiri.
Hydroxypypyl methylcellulose ali ndi zosungunulira bwino. Itha kupanga njira yothetsera vuto m'madzi ozizira, ndipo kusungunuka kwake kumawonetsanso kukhazikika kwa ma PH ndi kutentha. HPMC ili ndi kusungunuka kwamadzi kwambiri ndipo kumatha kusungunuka mosiyanasiyana, makamaka m'madzi ofunda.
Makulidwe:
Methylcellulose yankho ili ndi mamasukidwe otsika, motero nthawi zambiri imagwiritsidwa ntchito popanga zina zomwe zimafunikira mamasukidwe.
Hydroxypropyl yankho nthawi zambiri imakhala ndi mamasukidwe apamwamba, omwe amapangitsa HPMC nthawi zambiri imagwiritsidwa ntchito pamankhwala ena omwe amafunikira mapangidwe apamwamba komanso okonda kupangira zida zomangira.
Katundu wambiri:
Methylcellulose ili ndi miyala yofunika kwambiri yowombera, ndiye kuti, ipanga colloidal conseidal pambuyo pa kutentha, ndikusungunuka kachiwiri pomwe kutentha kukutsika. Chifukwa chake, nthawi zambiri imagwiritsidwa ntchito ngati yothandizira chakudya ndi mankhwala.
Hydroxypropyll methylclulose nthawi zambiri ilibe mpweya wowonda, ndipo umakonda kupanga yankho m'madzi m'malo mwa gel osakaniza.
3. Magawo ogwiritsa ntchito
Makampani Ogulitsa Chakudya:
Methylcellulose imagwiritsidwa ntchito makamaka chakudya kuti muchepetse kukoma, zimawonjezera mawonekedwe ndikusamalira chakudya. Mwachitsanzo, itha kugwiritsidwa ntchito zakudya zotsika kwambiri, ayisikilimu ndi nyama zamitundu yambiri. Chifukwa cha kuchuluka kwake kwa matenthedwe, imatha kugwiritsidwanso ntchito ngati chakudya chopatsa chakudya.
Hydroxypropyl sakhala nthawi zambiri amagwiritsidwa ntchito pachakudya, koma imatha kugwiritsidwanso ntchito m'njira zina zogwira ntchito, monga zonunkhira komanso ma emulsifiers.
Makampani opanga mankhwala:
Methylcellulose nthawi zambiri imagwiritsidwa ntchito ngati yosangalatsa pa mankhwala, makamaka m'mapiritsi, makapisozi ndi mankhwala opangira mankhwala. Itha kugwiritsidwanso ntchito ngati wothandizira mankhwala osulidwa kwa ophthalmic mankhwala kuti athandize kupitilizidwa nthawi yayitali ya mankhwala.
Hydroxypypyl amagwiritsidwa ntchito kwambiri pokonzekera mankhwala osokoneza mankhwala, makamaka mapiritsi, makapisozi ndi kukonzekera kwamadzi. Imagwira ntchito yofunika kwambiri pomasulidwa ndi mankhwala omasulidwa. Kuphatikiza apo, HPMC imagwiritsidwanso ntchito mankhwala okhulupilira a ophthalmic ndi othandizira kukonza.
Makampani omanga:
Methylcellulose imagwiritsidwa ntchito makamaka ngati wogulitsa ndi wogulitsa madzi opangira zida monga simenti ndi gypsum m'makampani omanga. Zimatha kukonza zogwiritsira ntchito ndi kugwiritsidwa ntchito kwa zinthuzi.
Hydroxypropyl imagwiritsidwa ntchito kwambiri popanga zida zomangira, makamaka pomanga zinthu zomata ngati matayala ndi matope owuma, omwe amatha kupereka malo ogwirira ntchito apamwamba komanso ogwirira ntchito bwino.
Makampani odzikongoletsa:
MCNthawi zambiri imagwiritsidwa ntchito ngati thicker, hmentant ndi emulsifier mu zodzoladzola zopangira khungu ndikusintha.
HpmcNthawi zambiri amagwiritsidwa ntchito mu khungu la khungu komanso tsitsi la tsitsi, makamaka muzinthu monga gelss ndi shampoos, zomwe zingapatse mawonekedwe ndi zotsatira zabwino.
Ngakhale methyllulose (MC) ndi Hydroxypropyl (HPMC) ndi ma cellulose, nyumba zawo zamankhwala ndi zinthu zosiyanasiyana zimakhala zosiyana, zimapangitsa kugwiritsa ntchito zosiyanasiyana m'magawo osiyanasiyana. MC nthawi zambiri imakhala ndi mawonekedwe otsika komanso mafuta owonda, ndipo ndioyenera kugwiritsa ntchito ngati othandizira; Ngakhale HPMC ili ndi zosungunuka bwino ndipo nthawi zambiri zimagwiritsidwa ntchito pazogwiritsa ntchito zomwe zimafunikira mafayilo apamwamba komanso kukhazikika kwambiri, makamaka m'mafakitale opangira mankhwala komanso omanga. Malinga ndi zofunikira zosiyanasiyana zogwiritsira ntchito, kusankha ma cellulose oyenera kumatha kukwaniritsa zofunikira za mapulogalamu apadera.
Post Nthawi: Feb-19-2025