1. Kodi ndi chiyani chofunikira kwambiri cha hydroxypropyl methylcellulose (hpmc)?
HPMC imagwiritsidwa ntchito kwambiri m'magawo omanga, zokongoletsa, matekenti, matenti, mankhwala, zakudya, ulimi, zodzola, fodya komanso mafakitale ena. HPMC imatha kugawidwa mu kalasi yomanga, chakudya kalasi yam'madzi komanso kalasi yofananira malinga ndi cholinga. Pakadali pano, ambiri mwazinthu zapakhomo ndi kalasi yomanga. Mu kalasi yomanga, putty ufa umagwiritsidwa ntchito pamlingo waukulu, pafupifupi 90% amagwiritsidwa ntchito ngati ufa wa putty, ndipo ena onse amagwiritsidwa ntchito matope a simenti ndi guluu.
2. Pali mitundu ingapo ya hydroxypropyl methylcellulose (hpmc), ndipo kusiyana kotani pakugwiritsa ntchito kwawo?
HPMC ikhoza kugawidwa mu mtundu wa anthu wamba komanso wotentha. Mtundu wazogulitsa nthawi yomweyo umabalalika mwachangu m'madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwo alibe mafakisoni chifukwa HPMC imangomwazika m'madzi popanda kusinthika kwenikweni. Pafupifupi mphindi ziwiri, mafayilo amadzimadzi pang'onopang'ono amawonjezeka, ndikupanga mafilimu owonekera. Zogulitsa zosungunuka, zikakumana ndi madzi ozizira, zimatha kufalitsa msanga m'madzi otentha ndikuzimiririka m'madzi otentha. Kutentha kukagwa mpaka kutentha kwinakwake, mafayilo amawoneka pang'onopang'ono mpaka apangire cololous wowonekera. Mtundu wosungunuka umatha kugwiritsidwa ntchito mu ufa ndi matope. M'dothi wamadzimadzi ndi utoto, padzakhala gulu lazinthu zomwe sizingagwiritsidwe ntchito. Mtundu wa nthawi yomweyo umakhala ndi ntchito zambiri. Itha kugwiritsidwa ntchito mu ufa ndi matope, komanso guluu wamadzimalo ndi utoto, popanda contacation.
3. Kodi kusintha kwa ma hydroxypypyll methylcelulose (hpmc)?
Njira Yotentha Yokhumudwitsa: Popeza HPMC siyikusungunuka m'madzi otentha, hpmc imatha kubadwa m'madzi otentha nthawi yoyamba, kenako kusungunuka mwachangu mukakhazikika. Njira ziwiri zomwe zafotokozedwa motere:
1) Ikani madzi okwanira mu chidebecho ndikutenthe mpaka 70 ° C. The hydroxypropyl pang'onopang'ono idawonjezeredwa pang'onopang'ono poyambitsa pang'onopang'ono, poyamba HPMC idayandama m'madzi, kenako pang'onopang'ono adapanga malo ocheperako, omwe adakhazikika pansi pa kusungunuka.
2) Kenako onjezani kuchuluka kwa madzi ozizira mpaka madzi otentha, osakaniza adakhazikika pambuyo poyambitsa.
Njira yosakanikirana: Sakanizani ufa wa hpmc wokhala ndi zinthu zina zambiri za ufa, kusakaniza bwino ndi chosakanizika, kenako ndikuwonjezera madzi pang'ono pogonana Pansi ufa, sungunuka nthawi yomweyo mukakumana ndi madzi. Ufa ndi opanga matope akugwiritsa ntchito njirayi. [Hydroxypypyl methylcellulose (hpmc) imagwiritsidwa ntchito ngati thickener ndi osungira madzi mu matope a ufa. ]
4. Momwe mungawonetsere mtundu wa hydroxypropyl methylcellulose (hpmc) mongoyerekeza komanso moyenera.
. Komabe, ambiri mwazinthu zabwino zimakhala ndi kuyera kwabwino.
. Ambiri hpmc opangidwa mu hebei ndi 80 mesh. Omaliza chabwino, nthawi zambiri, zabwinoko.
. Mphatso yayikulu yochokera kudera, yabwinoko, yomwe ikuwonetsa kuti pali zokhutira zochepa mmenemo. . Kufalikira kwa vatirs nthawi zambiri kumakhala kwabwino, ndipo chifukwa cha zopingasa ndizoyipa, koma sizitanthauza kuti mawonekedwe ofukula ofukula ndi abwino kuposa omwe ali ndi zinthu zambiri zimatsimikiziridwa ndi zinthu zambiri.
(4) Mphamvu yokoka: mphamvu yayikulu, yolemera. Kutanthauzira kwake ndi kwakukulu, nthawi zambiri chifukwa cha gulu la hydroxypropyl mkati mwake ndi lalitali, ndipo zomwe zili ndi hydroxypyl gululi ndizokwera, kusungidwa kwamadzi ndikwabwino.
5. Kodi kuchuluka kwa hydroxypropyll methylcelulose (hpmc) mu ufa wanji?
Kuchuluka kwa hpmc komwe kumagwiritsidwa ntchito kumasiyana malinga ndi nyengo, kutentha, phulusa lapakati, putty ufa wa plandu ndi "mtundu wofunikira ndi makasitomala". Nthawi zambiri, pakati pa 4 kg ndi 5 kg. Mwachitsanzo: ambiri a ufa ku Beijing ndi 5 kg; Ambiri mwa ufa wa putty mu guizhou ndi 5 makilogalamu m'chilimwe ndi 4.5 makilogalamu nthawi yozizira; Kuchuluka kwa putty ku Yunnan kuli kochepa, nthawi zambiri makilogalamu atatu mpaka 4 kg, etc.
6. Kodi mawu oyenera a hydroxypropyll methylcelulose (hpmc) ndi chiyani?
Mafuta a putty nthawi zambiri amakhala okwanira 100,000, ndipo zofuna za matope ndizokwera, ndipo 150,000 yun ndiyofunikira kuti igwiritse ntchito mosavuta. Kuphatikiza apo, ntchito yofunika kwambiri ya HPMC ndi kusungidwa kwamadzi, kenako ndikukula. Mu ufa wa putty, bola ngati kusungidwa kwamadzi ndikwabwino ndipo mafayilo ali otsika (70,000-80,000), nkothekanso. Inde, mafakiti apamwamba, abwinobwino achibale. Maonekedwe oposa 100,000, chidwi cha ma visc chimakhudza kusungidwa kwamadzi. Osatinso.
7. Kodi ndi zisonyezo zazikulu zaukadaulo za hydroxypypyl methylcelulose (hpmc)?
Hydroxypyl ndi mafakisoni, ogwiritsa ntchito ambiri amadera nkhawa za zizindikiro ziwiri izi. Omwe ali ndi hydroxypropyl omwe amakhala ndi kusungidwa kwa madzi. Yemwe ali ndi ufa wambiri ali ndi kusungidwa kwabwino kwamadzi, koma (osati mwamtheradi), ndipo amene ali ndi mawonekedwe apamwamba amagwiritsidwa ntchito bwino matope a simenti.
8. Kodi zida zazikulu za hydroxypypyl ndi methylcelulose (hpmc)?
Zopangira zazikuluzikulu za hydroxypylropyl methylcellulose (HPMC): Makina oyenga, andyl chloride, ma propropanol, isoppanol, eyporpanol, eyporpanol, esuppanol, eyponol, esuppanol, eyporopanol, esuppanol, eyOP.
9. Kodi ntchito yayikulu ndi iti yomwe imagwiritsidwa ntchito kwa HPMC mu ufa wa punty, ndipo zimachitika?
Mu ufa wa putty, HPMC imasewera maudindo atatu a kukula, kusungidwa kwamadzi ndikumanga. Kukula: cellose imatha kukwiya kuyimitsa ndikusunga yunifolomu ndikutsika, 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. Kuonjezera madzi ku ufa wa putty ndikuyika pakhoma ndikuchitika kwa mankhwala, chifukwa zinthu zatsopano zimapangidwa. Mukachotsa ufa wa pakhoma kuchokera kukhoma, ndikupukuta mu ufa, ndikuigwiritsanso ntchito, sizigwira ntchito chifukwa zinthu zatsopano (calcium carbonate) yopangidwa. Nawonso. Zigawo zikuluzikulu za Ash calcium ufa ndi: osakaniza a ca (oh) 2, cao "2: ca ili m'madzi ndi mpweya pansi pa zochita za Co2, calcium carbonate yopangidwa, pomwe hpmc imangosuta madzi, kuthandiza momwe zilili ndi mapirapiki, osatenga nawo gawo limodzi.
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M'malingaliro a Sing'anga, osakhala a Ions ndi zinthu zomwe sizimayenda m'madzi. Ma Ionirization amatanthauza njira yomwe electrolyte imasungunuka mu ma masikono omwe amatha kusunthira momasuka mu zosungunulira zina (monga madzi, mowa). Mwachitsanzo, sodium chloride (nacl), mchere womwe timadya tsiku lililonse, umasungunuka m'madzi ndi inozi kuti apange ma ionsuum osinthika komanso oyenda. Ndiye kuti, pamene HPMC imayikidwa m'madzi, sizingasungunuke mu ma ions, koma kukhalapo mawonekedwe a mamolekyulu.
11. 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 hpmc?
Kuwonongeka kwa ufa wa putty kumakhudzana makamaka ndi mtundu wa calcium, ndipo sakugwirizana ndi HPMC. Ma calcium otsika a imvi a imvi ndi chingwe chosayenera cha cao ndi ca (o) 2 mu gy calcium idzayambitsa ufa. Ngati ili ndi chochita ndi Hopmc, ndiye kuti HPMC ili ndi chipululu chamadzi osawoneka bwino, lidzayambitsa ufa wa ufa. Pazifukwa zina, chonde onaninso mafunso 9.
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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 hydroxypypyl ndi meth methylcelulose (hpmc) ndi chiyani?
HPMC yopangidwa ndi njira yosungunulira imagwiritsa ntchito toluene ndi isoppanol ngati ma sol sol. Ngati kutsuka sikwabwino kwambiri, padzakhala fungo lina lotsalira.
15.
Kugwiritsa ntchito ufa wa putty: Zofunikira ndizochepa, ma viscy ali okwanira 100,000, ndikokwanira, chinthu chofunikira ndikusunga madzi bwino. Kugwiritsa ntchito matope: Zofunikira kwambiri, kuwoneka bwino, 150,000 ndikwabwino. Kugwiritsa ntchito guluu: Zinthu zopota za nthawi yomweyo zokhala ndi mafayilo akulu amafunikira.
16. Kodi alias wa hydroxypypyl ndi chiyani methylcellulose?
Hydroxypropyl Medielose, Chingerezi: hydroxypropyl celyl celyl cellose cell: hpmc kapena mhpc alias, hypclise; Cellulose hydroxypropyl methy ether; HyPromellose, cellulose, 2-hydroxypropylthyl cellulose ether ether. Cellulose hydroxypropyl methy ether hypoose.
17. Kugwiritsa ntchito kwa HPMC mu ufa wa punty, chifukwa chake chimakhala ndi thovu mu ufa wa punty?
Mu ufa wa putty, hpmc amasewera maudindo atatu a kukula, kusungidwa kwamadzi ndikumanga. Osatenga nawo mbali pazomwe zimachitika. Zifukwa zopumira: 1. Ikani madzi ambiri. 2.
18. Kodi njira yanji ya putty ufa wamkati ndi kunja?
Tsamba lamkati la THETYER IVERER: Calcium calcium 800kg, Ash calc
Khoma lakunja lapaida: simenti 350kg yolemera calcium 500kg quartz mchenga 150kg cyulose e 3kg
19. Kodi pali kusiyana kotani pakati pa HPMC ndi MC?
Mc ndi methyl cellulose, yomwe imapangidwa ndi cellulose pochiza thonje loyenerera ndi alkali, kugwiritsa ntchito meloride chloride ngati njira yokonza, ndikutsatira zochitika zingapo. Nthawi zambiri, kuchuluka kwa zolowa ndi 1.6 ~ 2.0, ndipo solubility ndizosiyananso ndi madigiri osiyanasiyana. Ndi ya ether 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 kuwonjezera komwe kumapangitsa kuti pakhale madzi osunga madzi, ndipo kuchuluka kwa ma virus sikuphatikizidwa mwachindunji pamlingo wamadzi osamala yamadzi. Chiwerengero chophweka chimatengera kuchuluka kwa kuchuluka kwa ma cellulose tinthu tating'onoting'ono. 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 yothetsera matenda imakhala yokhazikika mu pro = 3 ~ 12. Imakhala ndi kulumikizana bwino ndi wowuma, Guar Gum, etc. ndi ambiri okonda. Kutentha kukafika kwa kutentha kwa kutentha, gelation kumachitika.
(3) Kusintha kwa kutentha kumakhudza kwambiri malo osungitsa madzi a methyl cellulose. Nthawi zambiri, kutentha kwambiri, kumadzaza madzi. Ngati kutentha kwa matope kupitirira 40 ° C, kusunga madzi a methyl cellulose idzachepetsa kwambiri, kukhudzana ndi kapangidwe ka matope.
(4) Methyl cellulose imakhudzanso ntchito yomanga ndi kutsatira matope. "Zomatira" apa zikutanthauza mphamvu yotsatsira yomwe ikukhudzidwa pakati pa chida cha wogwira ntchito ndi khomalo, ndiye kuti, kung'amba matope. Kumatira ndikokwera, kukana matope ndi kwakukulu, ndipo mphamvu zofunidwa ndi ogwira ntchito pakugwiritsa ntchito nthawi zambiri zimagwiritsidwanso ntchito ndizochulukirapo, ndipo zomangamanga za matope ndi osauka. Methyl cellulose yotsatira ndi pamlingo woyenera mu cellulose ether ether.
HPMC ndi hydroxypypyl methylcellulose, yomwe ndi cellulose yopanda inic yosakaniza ndi thonje loyeretsedwa, pogwiritsa ntchito a meloriziza oxide ndi methyl chloride ngati zomwe zingachitike. Mulingo wazolowa m'malo mwake 1.2 ~ 2.0. Katundu wake ndi wosiyana chifukwa cha ma ratios osiyanasiyana a methoxyl zomwe zili ndi hydroxypropyl.
(1) Hydroxypypyll methylcellulose imasungunuka mosavuta m'madzi ozizira, ndipo imakumana ndi zovuta pakusungunuka m'madzi otentha. Koma kutentha kwake kwamadzi otentha kumakhala kokulirapo kuposa kwa methyl cellulose. Kusungunuka m'madzi ozizira kumathandizanso kwambiri poyerekeza ndi methyl cellulose.
. Kutentha kumakhudzanso mamasukidwe awo, pamene kutentha kumakulirakulira, ma virucy amachepetsa. Komabe, mawonekedwe ake okwera amakhala ndi kutentha kochepa kuposa celyyl cellulose. Njira yake imakhala yokhazikika ikasungidwa kutentha.
. Diasc Soda ndi madzi a laimu samalimbikitsa pang'ono pa ntchito yake, koma alkali amatha kufulumizitsa kufalikira kwake ndikuwonjezera mawonekedwe ake. Hydroxypylropyl ndi chokhazikika pamchere wambiri, koma pamene kuchuluka kwa mchere ndi yayitali, mamasukidwe a hydroxypropyl so methylcellulose yankho limayamba kuchuluka.
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. Monga mowa wa mulyvinyl, madzi owuma, masamba chingamu, etc.
(6) Kutsatira kwa hydroxypropyl meth.
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20. Kodi tiyenera kuganizira chiyani pakugwiritsa ntchito ubale wapakati pa ufa ndi kutentha kwa HPMC?
Makulidwe a HPMC ndi yolingana ndi kutentha, ndiye kuti, mafayilo amawonjezeka ngati kutentha kumachepa. Makutu a chinthu chomwe timakonda kutchula zotsatila za mayeso a 2% am'madzi pa kutentha kwa madigiri 20 Celsius.
Pogwiritsa ntchito, ziyenera kudziwika kuti m'malo omwe ali ndi kutentha kwambiri pakati pa chilimwe pakati pa chilimwe komanso nthawi yachisanu, tikulimbikitsidwa kugwiritsa ntchito mafayilo ocheperako nthawi yozizira, yomwe imathamangira yomanga. Kupanda kutero, kutentha kumakhala kotsika, mamasukidwe a cellulose achulukitsa, ndipo nthawi yomwe akumva kuti yatha.
Mafayilo apakatikati: 75000-100000 makamaka amagwiritsidwa ntchito
Chifukwa: Kusunga kwamadzi
Maonekedwe apamwamba: 150000-200000 amagwiritsidwa ntchito powonjezera polystyrene tinthu toyambitsa ufa wa mphira ndi matope a matope a matope.
Chifukwa: Makulidwewo ndi okwera, matope siophweka kugwa, sag, zomangamanga zimayenda bwino.
Koma nthawi zambiri, chidwi cha mafalowa, malo abwino osungira. Chifukwa chake, poganizira mtengo, mafakitale ambiri owuma amasinthira sing'anga komanso otsika ma cellulose (20000-40000) ndi sing'anga-mavidiyo) kuti muchepetse kuchuluka kwake. .
Post Nthawi: Nov-18-2022