Ma hydroxypropyl otsika cellulose (L-HPC) ndi yochokera ku cellulose, polymer yachilengedwe yomwe ili ndi ma cell a cell. L-HPC yasinthidwa kuti iwonjezere kusungunuka kwake ndi zinthu zina, zomwe zimapangitsa kuti zizikhala ndi zinthu zingapo zomwe zimagwiritsidwa ntchito mosavuta m'magulu angapo mu mankhwala ogulitsa, chakudya, ndi mafakitale odzikongoletsa.
Hydroxypropyllulose (L-HPC) imakhala yotsika kwambiri ya cellulose yomwe yasinthidwa yomwe yasinthidwa makamaka kuti isinthe kusungunuka m'madzi ndi ena osungunulira. Cellulose ndi mzere polysaccharide wopangidwa ndi mayunitsi a glucose omwe amakhala achilengedwe komanso ndi gawo limodzi la makhoma a cell. L-HPC imapangidwa ndi kuchuluka kwa cellulose yosintha ma hydroxypyl kuti muchepetse kusungunuka kwake mukamakhalabe ndi zina zofunika zokhala ndi cellulose.
Kapangidwe ka mankhwala otsika ma hydroxypropyl cellulose
Kapangidwe kake ka L-HPC kumakhala ndi msana wa cellulose ndi gulu la hydroxypyl ophatikizidwa ndi hydroxyl (o) gulu la glucose. Mlingo wa zolowa m'malo (DS) amatanthauza kuchuluka kwa ma hydroxypyl magulu pa unit ya glucose mu cellulose unyolo. Mu L-HPC, DS imasungidwa pansi moyenera kusungunuka mosiyanasiyana ndikusunga mbozi za cellulose.
Kaphatikizidwe ka hydroxypropyl cellulose
Kaphatikizo wa L-HPC imaphatikizapo zomwe zimakhudzana ndi cellulose ndi ma propyne oxide pamaso pa chothandizira cha alkaline. Izi zimabweretsa kumayambiriro kwa magulu a hydroxypyl mu ma cellulose. Kuwongolera zinthu mosamala, kuphatikizapo kutentha, kutengera nthawi, komanso chothandizira ndende, ndikofunikira kuti mukwaniritse kuchuluka kwake.
Zinthu Zomwe Zimakhudza Kusungunuka
1. Mlingo wa zolowa m'malo mwake:
Kusungunuka kwa L-HPC kumakhudzidwa ndi DS. Pamene DS imachulukirachulukira, hydrophilicity ya gulu la hydroxypyl imadziwika bwino, potero kukonza Solobility m'madzi ndi polardent.
2. Kulemera kwa molecular:
Kulemera kwa L-HPC ndi chinthu chinanso chofunikira kwambiri. Kulemera kwambiri kwa magetsi l-hpc amatha kuwonetsa kuchepa kosinthika chifukwa chowonjezereka kwa pakati pa zigawo ndi zikopa.
3. Kutentha:
Kusungunuka nthawi zambiri kumawonjezeka ndi kutentha chifukwa kutentha kwambiri kumapangitsa mphamvu zambiri kuti muswe makamu osayikirana ndikulimbikitsa kupembedza polimatu.
4. Mtengo wa PH wa Solution:
PH of the Soth imakhudzanitsa magwiridwe antchito a hydroxypyl. Nthawi zina, kusintha pH imatha kuwonjezera solubility of l-hpc.
5. Mtundu wosungunulira:
L-HPC imawonetsa kusandulika kwabwino m'madzi ndi polarnt osiyanasiyana. Kusankha kusinthika kumadalira ntchito inayake ndi chinthu chomwe mukufuna.
Kugwiritsa ntchito zotsika za hydroxypropyl cellulose
1. Mankhwala osokoneza bongo:
L-HPC imagwiritsidwa ntchito kwambiri makampani opanga mankhwala ngati binder, ogwirira ntchito ndi omasulidwa ndi omasulidwa mu piritsi. Kusungunuka kwake m'matumbo kumapangitsa kuti ikhale yoyenera kugwiritsa ntchito mankhwala osokoneza bongo.
2. Makampani azakudya:
M'makampani azakudya, L-HPC imagwiritsidwa ntchito ngati thickir ndi okhazikika pazosiyanasiyana. Kutha kwake kupanga chidendene chodziwikiratu osakhudza kukoma kapena mtundu wa zinthu zina kumapangitsa kuti ikhale yofunika pakudya zakudya.
3. Zodzikongoletsera:
L-HPC imagwiritsidwa ntchito popanga zodzikongoletsera za mawonekedwe ake ndikukula. Zimathandizira kukonza bata ndi kapangidwe ka zodzola monga zonona, zodzola ndi ma gels.
4..
L-HPC itha kugwiritsidwa ntchito ngati kanema wokutira mu mafakitale a mankhwala a mankhwala ndi chakudya kuti apereke katundu woteteza pa mapiritsi kapena ma cell.
Ma hydroxypropyl cellose ndi politement polymer yokhala ndi mphamvu yowonjezera yochokera ku cellulose wachilengedwe wopezeka muzomera. Malo ake apadera amapangitsa kukhala ofunika m'mafakitale osiyanasiyana kuphatikiza mankhwala ogulitsa, chakudya ndi zodzola. Kuzindikira zinthu zomwe zimapangitsa kususuka kwake ndikofunikira kuti athe kukonza ntchito yake m'njira zosiyanasiyana. Monga kafukufuku wa Pulymer SyASMERSHICESTESSSS, L-HPC komanso kutengera kofanana kwa cellulose kumatha kupeza ntchito zatsopano komanso zatsopano m'malo osiyanasiyana.
Post Nthawi: Dis-26-2023