Ma hydroxypropyl otsika cellulose (l-hpc) ndi hydroxypropyl cellulose (HPC) ndi ma cellulose omwe amagwiritsidwa ntchito kwambiri pa mankhwala, chakudya ndi minda ina. Ngakhale anali ndi zofanana ndi zopangidwa ndi mankhwala ndi ntchito, ali ndi kusiyana kwakukulu pakulowa m'malo mwazolowa m'malo mwathupi, zinthu zakuthupi, kusasinthika, komanso madera ogwiritsira ntchito.
1. Kapangidwe ka mankhwala ndi kuchuluka kwa zolowa m'malo
Hydroxypyllulose (HPC) ndi mankhwala omwe amapezeka pambuyo pa kusinthika kwa cellulose, komwe magulu ena a hydroxyl amasinthidwa ndi magulu a hydroxypyl. Mulingo wazolowa (nthawi zambiri umafotokozedwa monga kuchuluka kwa molar, ndiye kuti, chiwerengero chapamwamba cha zida za hlucoxypyl pa glucose unit) ndi chinthu chofunikira kwambiri chomwe chikukhudza magwiridwe antchito a HPC. HPC ili ndi gawo lalikulu la mpweya, nthawi zambiri pakati pa 3.0 ndi 4.5, zomwe zimatanthawuza kuti magulu ambiri a hydroxyl amasinthidwa ndi magulu a hydroxypyl.
Hydroypropropyllulose (L-HPC) imakonzedwanso chifukwa chodziwanso chimodzimodzi, koma kuchuluka kwake kwabereka ndikotsika, nthawi zambiri pakati pa 0.1 ndi 0,2. Chifukwa chake, magulu a Hydroxyyl a L-HPC amangolowa m'malo mwa magulu ochepa a hydroxypyl, ndipo kuchuluka kwa magulu a hydroxyl ndi akulu. Makina otsika awa amapangitsa L-HPC mosiyana ndi HPC mu thupi ndi mankhwala.
2. Kusungunuka
Chifukwa cha kusiyana pakati pa digiri yazolowa, kusungunuka kwa HPC ndi L-HPC ikuwonetsa kusiyana kwakukulu. HPC ndi osungunuka madzi ndipo imatha kusungunuka m'madzi ozizira kapena otentha kuti apange yankho lomveka bwino. Ilinso ndi kusungunuka bwino mu polar ortic sodic. Izi zimapangitsa HPC nthawi zambiri imagwiritsidwa ntchito ngati solubilibit, tricker kapena ogwiritsa ntchito mankhwala ku mankhwala.
Mosiyana ndi izi, L-HPC ili ndi zinthu zosiyanasiyana kusungunuka chifukwa cha kuchuluka kwake. L-HPC imathanthwe m'madzi, koma ali ndi madzi abwino otupa m'madzi ndipo imatha kupanga gel. Katunduyu wa L-HPC amalola kuti igwiritsidwe ntchito ngati disvintegrance kapena filler m'mapiritsi, kuthandiza mankhwalawo kuti asokonezeke ndikumasulidwa m'madzi.
3.
HPC imakonda kuwonetsa mafayilo apamwamba komanso zinthu zopanga mafilimu chifukwa cha kuchuluka kwake komanso kusungunuka. Mayankho a HPC amatha kupanga mafilimu olimba atayanika ndipo amagwiritsidwa ntchito motero chifukwa cha zokutira, mawonekedwe filimu ndi zokutira. Kuphatikiza apo, HPC imakhalanso kukhazikika kwa matenthedwe ndi kutsutsana ndi mafuta, ndikupanga kukhala koyenera kugwiritsa ntchito mphamvu zabwino ndi kukhazikika kwamankhwala.
L-HPC imawonetsa kutsika kwa ma victoni ndi mayamwidwe am'madzi ambiri chifukwa cha kuchuluka kwake. Kutulutsa kwake m'madzi ndi kutupa kwabwino kumapereka mwayi wapadera pakupanga piri. L-hpc imatha kuyamwa madzi ndi kutupa, potero amalimbikitsa piritsi la madzi ndi mankhwala osokoneza bongo. Katundu wosokonekerawu amapanga L-HPC yogwiritsidwa ntchito kwambiri ngati vuto la malonda.
4. Magawo a mapulogalamu
HPC imagwiritsidwa ntchito kwambiri pa mankhwala ogulitsa, chakudya, zodzoladzola ndi minda ina yamafakitale chifukwa cha kusinthika kwabwino, kupanga filimu ndi kukula kwa mafilimu komanso kukula. Mu gawo la pharmaceutical, hpc nthawi zambiri amagwiritsidwa ntchito ngati thicker, othandizira, solubili, ntphukira komanso onyamula mankhwala. Kuphatikiza apo, HPC imagwiritsidwanso ntchito mu chakudya ngati thiclener ndi emulsifier, komanso odzola ngati othandizira mafilimu komanso kunyowa.
L-HPC imagwiritsidwa ntchito makamaka m'makampani opanga mankhwala, makamaka pokonzekera mapiritsi. Monga kunyalanyaza kothandiza, kumatha kuwonjezera liwiro la mapiritsi ndikulimbikitsa kutulutsidwa kwa mankhwalawa, potero kukonza bioavailability wa mankhwala. Kuphatikiza apo, L-HPC itha kugwiritsidwanso ntchito ngati filler komanso yowonjezera kusintha mawotchi ndi kukhazikika kwa mapiritsi.
5. Zolemba
M'makampani opanga mankhwala, hpc nthawi zambiri amagwiritsidwa ntchito pokonzanso mafayilo oletsedwa. Itha kuwongolera kuchuluka kwa mankhwalawa popanga mawonekedwe a viscous gel osanjikiza, potero ndikuwonjezera nthawi ya mankhwala osokoneza bongo. Mapulogalamu wamba amaphatikiza othandizira kumasulira kwa mapiritsi okhala ndi makapisozi.
L-HPC imagwiritsidwa ntchito kwambiri m'mapiritsi omasulidwa mwachangu ngati disvintegrance. Mwachitsanzo, mapiritsi ena omasulira mwachangu, kuwonjezera kwa L-HPC kumatha kufupikitsa nthawi ya mapiritsi kuti achotsere m'thupi, potero ndikufulumizitsa isanachitike mankhwalawa.
6. Mphamvu zachilengedwe ndi chitetezo
Onse a HPC ndi L-HPC ndi zotumphukira zochokera ku cellulose wachilengedwe motero khalani ndi mwayi komanso waubwenzi wachilengedwe. Amakhala osavuta kuvunda mosavuta mu zachilengedwe ndipo samakhudzidwa ndi zachilengedwe zachilengedwe. Kuphatikiza apo, onsewa amawonedwa ngati otetezeka ndipo amagwiritsidwa ntchito kwambiri popanga chakudya ndi mankhwala.
Ngakhale ma hydroxypropyl otsika cellulose (L-HPC) ndi Hydroxypyl (HPC) onsewa amasinthaditsira madigiri, amawonetsa zosiyana mu kusungunuka, zinthu zakuthupi, ndi magawo ogwiritsira ntchito. Mosiyanasiyana. L-HPC imagwiritsidwa ntchito makamaka mu gawo la pharmaceutical chifukwa cha katundu wake wabwino, pomwe HPC imagwiritsidwa ntchito kwambiri mu mankhwala ogulitsa, chakudya, zodzoladzola komanso malo ena opanga filimu. Kusiyana pakati pa mabodza awiriwo chifukwa cha kuchuluka kwa kuchuluka kwa malo osokoneza thupi ndi mankhwala, motero kudziwitsa ena kuyenera kukwaniritsa ntchito zosiyanasiyana.
Post Nthawi: Feb-17-2025