HPMC, kapena hydroxypropyl methylcellulose, ndi polymer wamba-sungunuka womwe umagwiritsidwa ntchito kwambiri pazodzikongoletsera, chakudya, mafakitale opanga mankhwala. Mu madzi otsekemera, hpmc ali ndi ntchito zingapo.
1. Kukula
Chimodzi mwazomwe zimagwiritsidwa ntchito kwambiri za HPMC ndichabwino. Mafuta amadzi nthawi zambiri amafunika kukhala ndi mawonekedwe abwino kuti athe kugwiritsa ntchito bwino ntchito ndi zotsatira zabwino. Kutsika kwambiri kumatha kupangitsa kuti cholefukiracho chikhale chamafuta kwambiri komanso chovuta kuwongolera panthawi yomwe ntchito; Ngakhale kuti ma visccy amafunika kusokoneza kubadwa ndi kusungunuka kwa chinthucho.
HPMC imatha kukhalabe ndi mawonekedwe owoneka bwino chifukwa chamadzimadzi popanga ma network-solloby colloidal. Kusungunuka kwake m'madzi ndi ma visawo kumapangitsa kuti athandize kuti athandize kuti zinthu zotseketse zisunge madzi okhazikika pamanja osiyanasiyana osakhudza zinthu zake zamtundu uliwonse. Kukula kwa kukula kwake sikungowonjezera malingaliro ndikugwiritsa ntchito zotchinga, komanso kumawonjezera kukhazikika kwa chotupacho, kulola zosakaniza zina mu formulant komanso zonunkhira) kuti zitheke m'madzi.
2. Kuyimitsidwa
M'masamba amadzimadzi, zosakaniza zambiri (monga bulez, ma enzymes, mabrasies kapena zosakaniza zina zogwirira ntchito) zimatha kukhala chifukwa chosiyana. Monga khola loyimitsidwa, hpmc imatha kupewa kusokonekera kwa tinthu tating'onoting'ono kapena zitsulo, potsatira zifukwa zinazake zowonongekazo zigawenga zomwe zingafananenso ndi kugwiritsa ntchito. Izi ndizofunikira kwambiri kuti zikhale zopaka, burzy kapena ma enzymes, chifukwa ntchitoyi kapena kugwira ntchito mwazosakaniza izi kumachepa pakapita nthawi.
Njira yothetsera HPMC ili ndi PSeudoplastics, ndiye kuti, imawonetsa mafayilo apamwamba pamtengo wotsika, pomwe akufikitsa botolo kapena kutsuka), zomwe zimalola kuti zotsekemera zikhale m'manja , koma ndizosavuta kuyenda ngati ntchito.
3. Kupanga mafilimu ndi zoteteza
HPMC ili ndi katundu wabwino wopanga mafilimu, omwe amathandizira kupanga filimu yoteteza pamtunda kapena zinthu pakusambitsa. Kanemayu amatha kusewera maudindo angapo: Choyamba, imatha kuteteza zovala za ulusi kuchokera kumakina panjira yotsuka; Chachiwiri, mutatha mapangidwe a filimu, zimathandizira kukhalabe ndi nthawi yolumikizana pakati pa zosankhidwa mu zotchinga ndi madontho, potero amapititsa patsogolo mphamvu. Pamitundu yapadera yoyera, monga softeney kapena othandizira otsutsa omwe amagwiritsidwa ntchito kuteteza nsalu, mawonekedwe opanga mafilimu amatha kuwonjezera mphamvu ya zinthuzi, ndikupanga zovala zofewa komanso kusamba.
4. Kuwongolera kwa chithovu
Mwezi wambiri ndi kuwongolera ndi chimodzi mwazinthu zazikulu zopanga zotupa. HPMC imatha kusewera gawo mu chiwindi cha thovu. Ngakhale Hpmc yokha sinabepo chithovu, imatha kukhudza m'badwo komanso kukhazikika kwa chithovu mwa kusintha zinthu zaubweya ndi kusungunuka kwa dongosolo. Pazosankha zina zomwe zimafunikira chithovu chochepa (monga zopangira zowoneka bwino), kugwiritsa ntchito HPMC kungathandize kuwongolera kutalika kwa chithovu ndikuwonetsetsa kuti makinawa. Za mapangidwe omwe amafunikira chithovu cholemera, hpmc chitha kuthandiza kukhazikikacho ndikuwonjezera nthawi yake.
5. Kupititsa patsogolo kukhazikika kwa malonda ndi alumali moyo
Ma proggents amadzimadzi amatha kukhala ndi zosakhazikika zosakhazikika, monga ma enzymes, oxidants kapena agalu, omwe amasokoneza kukhazikika kwa kapangidwe kake kake kake kake kake kake. Kukhalapo kwa HPMC kumatha kukonza bwino zofalitsa zomwe sizingachitike ndikuwalepheretsa kusintha kwa thupi komanso kusintha kwa mankhwala posintha ma vistoni, kuyimitsidwa ndi nkhanza za njira yothetsera vutoli. Kuphatikiza apo, HPMC imatha kuchepetsanso kuwonongeka kwa zosakaniza zina mwa njira zogwirizira mpaka pamlingo wina, poyankha alumali moyo wa malonda. Izi ndizofunikira kwambiri zotupa zomwe zimakhala ndi zopindika zapamwamba kwambiri, zomwe zingaonetsetse kuti malondawo amalephera kungoyeretsa pa alumali m'njira yonse.
6. Kuteteza zachilengedwe ndi biodegradiity
HPMC imachokera ku cellulose wachilengedwe wokhala ndi zinthu zabwino komanso kuteteza chilengedwe. Poyerekeza ndi mitundu ina ya manyowa kapena okhazikika, hpmc imatha kuwonongeka ndi tizilombo tambiri tomwe timatsekereza. Ndi kusintha kwa chilengedwe ndi chidwi chokhazikika, opanga ambiri kwambiri ayamba kusankha zinthu zoweta zachilengedwe monga HPMC kuti muchepetse zinthu zachilengedwe.
7. Sinthani mawonekedwewo ndikugwiritsa ntchito zotupa
Zotsatira zakumapeto kwa hpmc sizimakhudza mamasukidwe a chinthucho, komanso kwambiri kusinthaku ndikugwiritsa ntchito zowonjezera zamadzimadzi. Pofuna kukonza madzi ndi kumva kuti ndi wotsekemera, hpmc imapangitsa kuti malonda akhale omasuka komanso osavuta kugwiritsa ntchito. Makamaka pamitundu yoyeza kwambiri, kugwiritsa ntchito HPMC kumatha kubweretsa mawonekedwe osalala komanso onunkhira, potero kukonza chikhumbo chaokha. Kuphatikiza apo, madzi osungunuka a HPMC amapangitsa kuti ikhale yosavuta kutsuka pambuyo pogwiritsa ntchito osatsalira pa zovala kapena mawonekedwe.
HPMC imagwiritsidwa ntchito kwambiri m'matumba amadzimadzi, kuphatikiza ntchito zingapo monga otsatsa, okhazikika, tsamba la filimu, ndi owongolera mafayilo. Sizingathe kungosintha kukhazikika ndi zotchingira, komanso kukwaniritsa zosowa zamakono zopangira zachilengedwe pogwiritsa ntchito chitetezo cha chilengedwe ndi biodegradiity. M'chitukuko chamtsogolo cha mawonekedwe a chidebe, HPMC ipitilizabe kukhala yowonjezera yothandiza kuti ithandizire opanga amakwanitsa kugwira ntchito ndikuyankha pamsika.
Post Nthawi: Oct-12-2024