HPMC imagwiritsidwa ntchito kwambiri m'magawo omanga, zokongoletsa, matekenti, matenti, mankhwala, zakudya, ulimi, zodzola, fodya komanso mafakitale ena. HPMC imatha kugawidwa m'makalasi ya mafakitale, kalasi ya chakudya ndi kalasi ya mankhwala malinga ndi pulogalamuyi.
2hydropypyl methylcellulose yagawika mitundu ingapo, ndipo kusiyana kotani pakugwiritsa ntchito kwawo?
HPMC imatha kugawidwa mu mtundu wa nthawi yomweyo (dzina la Brand "s") ndi lotentha. Zogulitsa zomwe zimabalalika mwachangu m'madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwo alibe mafakisoni chifukwa HPMC imangomwazika m'madzi popanda kusinthika kwenikweni. Za (zolimbikitsa) kwa mphindi ziwiri, mafayilo amadzimadzi pang'onopang'ono amawonjezeka, ndikupanga mawonekedwe oyera oyera a viscous. Zogulitsa zosungunuka, mukakumana ndi madzi ozizira, zimatha kufalitsa msanga m'madzi otentha ndikusowa m'madzi otentha. Kutentha kwatsikira mpaka kutentha kwina (malingana ndi kutentha kwa gel
Kodi njira zothetsera zofatsa za 3 hydroxypylll methylcelulose?
1) Mitundu yonse ikhoza kuwonjezeredwa pazomwe mwa njira yosakanikirana;
2) Ngati iyenera kuwonjezeredwa mwachindunji ku yankho labwinobwino kutentha, ndibwino kugwiritsa ntchito mtundu wowerengeka madzi, ndipo nthawi zambiri zimatenga mphindi 10-90 kuti zitheke pambuyo powonjezera (kugwedezeka)
3) Chithunzi wamba chimalimbikitsidwa ndikumwazika ndi madzi otentha poyamba, ndiye kuti zitha kusungunuka mutawonjezera madzi ozizira kuti aziyambitsa ndi ozizira;
4) Ngati kugwa ndi kukulungirira kumachitika nthawi yowonongeka, ndichifukwa choti kusunthika sikukwanira kapena mtundu wamba kumawonjezeredwa mwachindunji pamadzi ozizira. Pakadali pano, ziyenera kusunthidwa mwachangu. a
5) Ngati thovu limapangidwa munthawi yowonongeka, akhoza kusiyidwa kuti ayime kwa maola 2 mpaka 12 (nthawi yakeyo amatsimikizika ndi kusasinthika kwa yankho) kapena kuchotsedwa ndi kubereka, ndi zina zowonjezera, kapena kuchuluka kwa ogulitsa kungawonjezedwe. a
4 Momwe mungaweruzire mtundu wa hydroxypropyl methylcellulose chabe komanso moyenera?
1) Kuyera, ngakhale kuyera sikungadziwe ngati HPMC ndikosavuta kugwiritsa ntchito, ndipo ngati zodetsa zoyera zimawonjezeredwa pakupanga, zimakhudza mtundu wake, koma zinthu zabwino zimakhala ndi kuyera kwabwino.
2) Ubwino: Chisangalalo cha HPMC nthawi zambiri chimakhala ndi mauna 80 ndi 100 mesh, 120 mesh ndiwocheperako, omaliza anzeru.
3) Kupendekera Kuwala: Pambuyo pa HPMC imayikidwa m'madzi kuti apange cololoid colloid, yang'anani pakuwunikira kwake. Chokulirapo chowunikira, chabwino, chosonyeza kuti pali zidutswa zochepa mmenemo, ndipo kupatsirana kwa zofuula nthawi zambiri kumakhala bwino. , Chopingasa champhamvu chimakhala choyipa, koma sizitanthauza kuti mtundu wa wofuula umakhala bwino kuposa womwe ulipo wa chopingasa, ndipo pali zinthu zambiri zofunika kudziwa bwino malonda.
4) Mphamvu yokoka: yayikulu kwambiri mphamvu, yolemera. Mphamvu yapamwamba kwambiri, yokwera kwambiri ya hydroxypyl yomwe ili mu malonda. Zokwera kwambiri hydroxypyl, kukonzanso kwamadzi.
5 Kodi kuchuluka kwa hydroxypropyll methylcelulose mu ufa ndi uti?
Kuchuluka kwa HPMC yomwe imagwiritsidwa ntchito pogwiritsa ntchito nyengo, kutentha, mtundu wa phulusa lakomweko, njira ya putty ufa ndi mtundu wofunikira ndi makasitomala. Pali zosiyana m'malo osiyanasiyana, nthawi zambiri zimalankhula, zili pakati pa 4-5 kg.
Kodi mawonekedwe oyenera a 6 hydroxypypyll methylcelulose?
Nthawi zambiri, ufa wa putty wokwanira ndi wokwanira, ndipo kufunikira kwa matope kuli kokulirapo, ndipo kumafunikira 150,000 kukhala kosavuta kugwiritsa ntchito. Kuphatikiza apo, ntchito yofunika kwambiri ya HPMC ndi kusungidwa kwamadzi, kenako ndikukula. Mu ufa wa putty, bola ngati kusungidwa kwamadzi ndikwabwino ndipo mafayilo amatsika (7-8), nkothekanso. Inde, mafakiti apamwamba, abwinobwino achibale. Maonekedwe oposa 100,000, mawonekedwe ake alibe mphamvu pa kusungidwa kwamadzi. Big.
7 Kodi ziwonetsero zazikulu zaukadaulo za hydroxypypyl ndi chiyani methylcellulose?
Hydroxypyl
Methyl zomwe zili
kukweza
Phulusa
Kutayika pakuyanika
8 Kodi zida zazikuluzikulu za hydroxypypyl ndi methylcelulose?
Zopangira zazikuluzikulu za HPMC: Woyeretsa thonje, methyl chloride, ma prowyne oxide, zopangira zina zopangira, caustic sola, acid tosaene.
9 Kodi ntchito yayikulu ndi iti yomwe imagwiritsa ntchito hydroxypypyl methylcelulose mu ufa, ndipo zimachitika mwanjira yanthawi?
Mwa ufa wa putty, umasewera maudindo atatu a kukula, kusungidwa kwamadzi ndikumanga. Kukula, cellulose imatha kukulira kuti ayimitse, sungani yunifolomu moyenera komanso pansi, ndikupewa kusamba. Kusungidwa kwamadzi: Pangani utoto wa putty pang'onopang'ono, ndikuthandizira calcium kuti muchitepo kanthu pansi pamadzi. Ntchito Yomanga: Cellulose ili ndi mafuta owuma, omwe amatha kupangitsa kuti ufa ukhale ndi zomangamanga. HPMC sitenga nawo mbali pamavuto aliwonse, koma imangochita ntchito yothandiza.
10 hydroxypropyll methylcellulose ndi ether ether, ndiye kuti siayic?
M'malingaliro a sing'anga, zinthu zomwe sizimatenga nawo mbali pamavuto.
CMC (Carboxymethyl cellulose) ndi cellulose yophunzirira, motero itembenukira ku bean curd pomwe imakumana ndi mapira a phulusa.
Kodi kutentha kwa gel nchinji kwa hydroxypypyl methylcelulose yokhudzana ndi?
Kutentha kwa gel
12 Kodi pali ubale uliwonse pakati pa dontho la putty ufa ndi hydroxypropyl methylcelulose?
Pali maubale! ! ! Ndiye madzi osauka a HPMC, omwe angapangitse kuwonongeka kwa ufa.
Kodi pali kusiyana kotani pakati pa madzi ozizira ndi mitundu yotentha ya hydroxypylcyl mu methylcelulose popanga?
Madzi ozizira amtundu wa HPMC amathandizidwa ndi glyloxal, ndipo amabalalitsa msanga m'madzi ozizira, koma sikusungunuka. Zimangosungunuka pomwe mafayilo akuwonjezeka. Mitundu yotentha yotentha siyikupezeka ndi glyloxal. Ngati kuchuluka kwa Glyloxal ndi kwakukulu, kubalaku udzathamanga, koma mafanowo adzakulira pang'ono, ndipo ngati ndalamazo ndizochepa, sizowona.
14 Kodi fungo la hydroxypypylth methylcelulose ndi chiyani?
HPMC yopangidwa ndi njira yosungunulira imagwiritsa ntchito toluene ndi isoppanol ngati ma sol sol. Ngati kutsuka sikwabwino kwambiri, padzakhala fungo lina lotsalira. (Kuchira kwa ASTRATIURE ndi njira yofunika kwambiri ya fungo)
Kugwiritsa ntchito kosiyana, momwe mungasankhire ma hydroxypropyll methylcelulose?
Ufa wa putty: pamafunika kusunga kwamadzi kwambiri, kumalimbitsa thupi
Matope wamba a simenti: amafunikira kusungidwa kwamadzi kwambiri, Kukana Kwambiri Kulimba Kwawokha, Komanso Makusi Akumpopompo (
Kugwiritsa ntchito gululo lomanga: Zinthu zopota pakamwitsa.
Matope a gypsum: kusungidwa kwamadzi kwambiri, pakati komanso mafayilo otsika, ma virus apompo akuwonjezeka
Kodi alias wa 16 hydroxypypyll methylcelulose?
Amatchulidwa kuti hpmc kapena mhpc alias hypromelwese, cellulose hydroxypropyl etheryl ether.
17 Kugwiritsa ntchito hydroxypropyl methylcellulose mu ufa, chifukwa chake matumba a mpweya mu ufa wa punty?
Mu ufa wa putty, HPMC imasewera maudindo atatu a kukula, kusungidwa kwamadzi ndikumanga. Zomwe zimapangitsa kuti thovu ndi:
(1) Madzi ambiri amawonjezeredwa.
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18 Kodi pali kusiyana kotani pakati pa hydroxypropyl methylcellulose ndi MC:
MC ndi methyl cellulose, yomwe imapangidwa ndi cellulose pochiza thonje loyengedwa ndi alkali, kugwiritsa ntchito melthane chloride ngati othandizira. Nthawi zambiri, kuchuluka kwa kuloweza ndi 1.6-2.0, ndipo solubility kumasiyana ndi madigiri osiyanasiyana. Zosiyana, sizili za ether ether ether.
. Nthawi zambiri, ngati kuchuluka kwake ndi kwakukulu, kukoma mtima ndikochepa, ndipo ma virus ndi akulu, osunga madzi ndi okwera. Pakati pawo, kuchuluka kwa kuwonjezerapo kumakhudza kwambiri malo osunga madzi a anthu. Maonekedwe ake siwofanana ndi kuchuluka kwa madzi. Chiwerengero chophweka chimatengera mawonekedwe a ma cellulose tinthu tambiri. Kuchuluka kwa kusintha ndi kukongola kwa tinthu. Pakati pa cellulose yomwe ili pamwambapa, methyl cellulose ndi hydroxypropyl meth celyl cellulose imakhala ndi mitengo yapamwamba yamadzi.
(2) Methylcellulose imasungunuka m'madzi ozizira, ndipo zimakhala zovuta kusungunuka m'madzi otentha. Njira yake yamadzimadzi imakhala yokhazikika mu pH = 3-12. Imakhala ndi kulumikizana bwino ndi wowuma, etc. ndi ambiri okonda. Matenthedwe pomwe kutentha kwa kutentha kwafika, minyewa idzachitika.
(3) Kusintha kwa kutentha kumakhudza kwambiri malo osungitsa madzi a methyl cellulose. Nthawi zambiri, kutentha kwambiri, kumalitsidwa madzi osunga madzi. Ngati kutentha kwa madontho kumapitilira madigiri 40, kusunga madzi a methyl cellulose idzachepetsedwa kwambiri, yomwe idzakhudza kwambiri kumanga kwa matope.
(4) Methyl cellulose imakhudzanso ntchito yomanga ndi kutsatira matope. Kutsatira pano kumatanthauza mphamvu yotsatsira yomwe ikukhudzidwa pakati pa chida cha wogwira ntchito ndi khomalo, ndiye kuti, kukana matope. Kumatira ndikokwera, kukana matope ndi kwakukulu, ndipo mphamvu zofunikira ndi ogwira ntchito pakugwiritsa ntchito ndizochulukirapo, ndipo zomanga za matope ndizosauka.
Post Nthawi: Feb-21-2025