1. Kodi kugwiritsa ntchito kofunikira kwa hydroxypypyll methylcelulose?
HPMC imagwiritsidwa ntchito kwambiri pazomangira, zokutira, matekenti, matenti, mankhwala, chakudya, zovala, zopangira, fodya komanso mafakitale ena. HPMC imatha kugawidwa m'makalasi a mafakitale, kalasi ya chakudya ndi kalasi ya mankhwala malinga ndi momwe amagwiritsidwira ntchito.
2. Pali mitundu ingapo ya hydroxypropyl methylcellulose. Kodi pali kusiyana kotani pakati pawo?
HPMC imatha kugawidwa kuti ikhale yotayirira (mtundu wokwanira "s") ndi mtundu wosungunuka. Zogulitsa zomwe zimabalalika nthawi yomweyo madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwa alibe mafakisoni chifukwa HPMC imangomwazika m'madzi ndipo ilibe yankho lenileni. Pambuyo pa (zolimbikitsa) mphindi 2, mamasukidwe amadzimadzi amawonjezeka pang'onopang'ono ndipo colo colous yowoneka bwino imapangidwa. Zogulitsa zotentha, m'madzi ozizira, zimatha kufalikira msanga m'madzi otentha ndikuzimiririka m'madzi otentha. Kutentha kwaponyera kutentha kwina (malinga ndi kutentha kwa gel
3. Kodi hydroxypropyl no methylcelulose yankho ndi chiyani?
1. Mitundu yonse ikhoza kuwonjezeredwa pazomwe kusakanikirana;
2. Iyenera kuwonjezeredwa mwachindunji ku yankho labwinobwino la kutentha. Ndikofunika kugwiritsa ntchito mtundu wozizira wamadzi. Kupatula apo, nthawi zambiri imafikira kukula mkati mwa mphindi 10-90 (kutsuka, kusokoneza, chipwirikiti)
3. Kwa mitundu wamba, yoyambitsa ndi kumwa ndi madzi otentha poyamba, kenako onjezani madzi ozizira kuti asungunuke pambuyo poyambitsa ndi kuzirala.
4. Ngati kugwa kapena kukulunga kumachitika pa kusungunuka, ndi chifukwa chakuti chosangalatsa sichitha kapena mtundu wamba umawonjezeredwa mwachindunji pamadzi ozizira. Pakadali pano, sakitsani mwachangu.
5. Ngati thovu limapangidwa munthawi yowonongeka, amatha kusiyidwa kwa maola 2 mpaka 12 (nthawi yakeyo amatengera kusasinthika kwa yankho) kapena kuchotsedwa ndi vacuum kuchotsa, etc., ndi kuchuluka kwa mankhwala osokoneza bongo atha kuwonjezeredwa.
4. Momwe mungaweruzire mtundu wa hydroxypropyl methylcellulose chabe komanso moyenera?
1. Kuyera. Ngakhale kuyera sikungaweruze ngati hpmc ndiyabwino kapena ayi, ndikuwonjezera odekha popanga nthawi ya kupanga kumakhudza mtundu wake, zabwino zambiri zimakhala ndi kuyera kwabwino.
2. Kukongola: Kuchita bwino kwa HPMC nthawi zambiri ma mesh ndi 100 mesh, pansi pa 120, ndibwino.
3. Onani zowunikira. Kukula kwakukulu, kulibwino kuvomerezedwa, zomwe zikutanthauza kuti pali zinthu zochepa zomwe zili mkati mwake. Wolemba riyakitala nthawi zambiri amakhala wabwino, ndipo wopingasayo amatulutsa ena. Koma sizinganenedwe kuti kupanga makitala ofukula ali bwino kuposa a makhosi opingasa. Pali zinthu zambiri zomwe zimazindikira mtundu.
4.. Mphamvu yokoka: mphamvu yayikulu, yolemera. Mphamvu yayikulu kwambiri, yokwera kwambiri ya hydroxypyl ili. Nthawi zambiri, ma hydroxypropyl omwe ali, kusungidwa kwa madzi.
5. Kodi hydroxypropyll methylcelulose imagwiritsidwa ntchito bwanji mu ufa?
Kuchuluka kwa hpmc komwe kumagwiritsidwa ntchito pazosiyanasiyana kumasiyana malo ndi malo, nthawi zambiri kumachitika, nthawi zambiri zimakhala pakati pa 4-5 makilogalamu adtchium ash.
6. Kodi mamasukidwe a hydroxypropyll methylcelulose?
Mafuta a putty nthawi zambiri amawononga RMMB 100,000, pomwe matope ali ndi zofunika kwambiri. Zimatengera RMB 150,000 kukhala kosavuta kugwiritsa ntchito. Komanso, ntchito yofunika kwambiri ya HPMC ndiyo kusunga madzi, kutsatiridwa ndi kukula. Mu ufa wa putty, bola ngati kusungidwa kwamadzi ndikwabwino ndipo mafayilo amatsika (7-8), nkothekanso. Inde, mafakisoniwo ambiri, abwino kwambiri ophunzirira. Mawonekedwe ake ali pamwamba pa 100,000, mafakisoniwo samakhudzanso madzi osungira.
7. Kodi ndi zisonyezo zazikulu zaukadaulo za hydroxypypyll methylcelulose?
Hydroxypyl
Methyl zomwe zili
kukweza
Phulusa
Kuchepetsa Kuchepetsa
8. Kodi zida zazikulu za hydroxypypyl ndi chiyani methylcellulose?
Zopangira zazikulu za HPMC: Woyengedwa thonje, methyl chloride, ma prowyne oxide, zina zopangira, diaustic soloene.
7.
Mu ufa wa putty, umagwira ntchito zitatu zazikuluzikulu: kukulitsa, kusungidwa kwamadzi ndikumanga. Kukula kumatha kukula kwa cellulose ndikusewera gawo losiyanitsa, kusunga njira yothetsera yunifolomu ndikuletsa kusaka. Kusungidwa kwamadzi: Pangani ufa wowuma pang'onopang'ono ndikuthandizira imvi ya imvi kuti muchitepo kanthu pansi pamadzi. Kuchita masewera olimbitsa thupi: cellulose imakhala ndi mphamvu yopaka, yomwe imapangitsa ufa kukhala wogwira bwino ntchito. HPMC sitenga nawo mbali pamavuto aliwonse ndipo imangochita bwino.
.
Nthawi zambiri, zinthu zomwe sizimachita nawo ntchito zimachitika kawirikawiri.
CMC (Carboxymethylcellulose
11. Kodi kutentha kwa gel nchinji kwa hydroxypypyl methylcelulose yokhudzana ndi?
Kutentha kwa gel kwa gelc kumakhudzana ndi methoxyl. M'munsi methoxyl, kutentha kwambiri kwa gel.
12. Kodi pali ubale uliwonse pakati pa ufa ndi hydroxypypyl?
Izi ndizofunikira! HPMC imasunga madzi osayenera ndipo adzayambitsa ufa.
13. Kodi pali kusiyana kotani pakupanga pakati pa kupanga madzi ozizira ndi madzi otentha yankho la hydroxypyllosilose?
Mtundu wozizira wa HPMC umabalalika msanga m'madzi ozizira pambuyo pa chithandizo cha Glyloxal, koma sichisungunuka. Ma Ilccence akukwera, ndiye kuti, umasungunuka. Mtundu wosungunuka wotentha sukuthandizidwa ndi Glyloxal. Glyloxal ndi yayikulu kukula ndikubalalitsa mwachangu, koma amakhala ndi mawonekedwe owoneka pang'onopang'ono komanso voliyumu yaying'ono, komanso mosemphanitsa.
14. Kodi fungo la hydroxypropyl ndi chiyani methylcellulose?
HPMC yopangidwa ndi njira yosungunulira imapangidwa ndi toluene ndipo isopropyl mowa. Ngati sichikutsukidwa bwino, padzakhala fungo lina lotsalira. (Kusalowerera ndi kubwezeretsanso ndi njira yofunikira kwa fungo)
15.
Mafuta a putty: Zofunikira zam'madzi zazitali komanso zomangamanga zabwino (zolimbikitsidwa: 7010n)
Matope wamba a simenti: Kusungidwa kwamadzi kwakukulu, kutentha kwambiri kukana, ma vidiyo amtundu umodzi (HPK100M)
Ntchito yomanga zomata: Zogulitsa pompopompo, mafayilo apamwamba. (Zovomerezeka: HPK200MS)
Matope a gypsum: kusunthika kwamadzi kwakukulu, mafayilo otsika, ma vidiyo amtundu umodzi (olimbikitsidwa: hpk60000m)
16. Kodi dzina lina la hydroxypypyl ndi chiyani methylcellulose?
HPMC kapena MHPC imadziwikanso kuti hydroxypropyll methylcellulose ndi hydroxypropyll methylcellulose ether.
17. Kugwiritsa ntchito hydroxypropyl methylcellulose mu ufa. Kodi chimayambitsa ufa ndi chiani?
HPMC imasewera maudindo atatu a punty ufa: kukula, kusungidwa kwamadzi ndikumanga. Zifukwa za thovu ndi:
1. Onjezani madzi ambiri.
2. Ngati pansi sikuti ndi youma, yopangira gawo lina pamwamba lipangitsa kuti matuza asakhale otentha mosavuta.
18. Kodi pali kusiyana kotani pakati pa hydroxypropyl methylcellulose ndi MC:
MC, methyl cellulose, imapangidwa kuchokera ku thonje loyeretsedwa pambuyo pa mankhwala ochiritsa a alkaline, pogwiritsa ntchito metharide ngati othandizira, komanso njira zingapo zopangira ma etheluse ether. Kuchuluka kwa kulowetsa ndi 1.6-2.0, ndi kusungunuka kwama digiri yosiyanasiyana ya zochokera kuzinthu ndizosiyananso. Ndi ma etheelose.
. Nthawi zambiri, kuchuluka kwake ndi kwakukulu, kukoma mtima ndikochepa, mafayilo amakhala okwera, ndipo malo osungira madzi ndi okwera. Chiwerengero chowonjezera chili ndi mphamvu kwambiri pa kusunga madzi, ndipo mawonekedwewo alibe chochita ndi kuchuluka kwa madzi. Chiwerengero chophweka chimatengera digiri yosinthira ndi mawonekedwe a tinthu tambiri tambiri. Pakati pa cellulose yomwe ili pamwambapa, methcellulose ndi hydroxypropylmethylcelulose ali ndi mitengo yapamwamba yamadzi.
(2) Pay cellulose imatha kusungunuka m'madzi ozizira, koma imakumana ndi zovuta pakusungunuka m'madzi otentha. Njira yake yothetsera matenda imakhala yokhazikika mu pH = 3-12, ndipo imakhala ndi mawonekedwe abwino ndi wowuma ndi ambiri okonda okonda. Kutentha kukafika ku gel gel pamene kutentha kutentha kumawonjezeka, minyewa idzachitika.
(3) Kusintha kwa kutentha kudzakhudzanso ndalama zosunga madzi za methyllulose. Nthawi zambiri, kutentha kwambiri, kumalitsidwa madzi osunga madzi. Ngati kutentha kwa madontho kumapitilira madigiri 40, kusungira kwamadzi kwa methyllulose kumawononga kwambiri, kukhumudwitsidwa kumakhudza kapangidwe ka matope.
(4) methylclulose imakhudza kwambiri ntchito yomanga ndi kutsatira matope. Kutsatira pano kumatanthauza adtheion kuwoneka pakati pa chida chogwira ntchito ndi zinthu za khoma, ndiye kuti, kukana matope. Kumatira ndikokwera, kukana matope ndi kokwera, ndipo mphamvu yofunikira ndi ogwira ntchito panthawi yomwe amagwiritsidwa ntchito imakhala yokwera, kotero kugwirira ntchito kwa matope ndi osauka.
Post Nthawi: Jan-31-2024