Kulankhula za hydroxypropyl noth cellulose

1. Kodi cholinga chachikulu cha hydroxypypyl noth methylcelulose (hpmc) ndi chiani)?
- HPMC imagwiritsidwa ntchito kwambiri pazomangira, zokutira, matekenti, matenti, mankhwala, chakudya, maulimi, fodya komanso mafakitale ena. HPMC ikhoza kugawidwa mu: Grace Womanga, kalasi ya chakudya ndi kalasi ya mankhwala molingana ndi cholinga. Pakadali pano, ambiri mwazinthu zapakhomo ndi kalasi yomanga. Mu kalasi yomanga, kuchuluka kwa ufa wa putty ndi waukulu kwambiri, pafupifupi 90% amagwiritsidwa ntchito pavety ufa, ndipo ena onse amagwiritsidwa ntchito matope a simenti ndi gulu.
2. Pali mitundu ingapo ya hydroxypropyl methylcellulose (hpmc), ndipo pali kusiyana kotani pakugwiritsa ntchito kwawo?
- Inwans: HPMC imatha kugawidwa mu mtundu wa nthawi yomweyo komanso mtundu wosungunuka. Zogulitsa zomwe zimabalalika mwachangu m'madzi ozizira ndikuzimiririka m'madzi. Pakadali pano, madziwa alibe mamasukidwe, chifukwa HPMC imangomwazika m'madzi ndipo ilibe chisinthiko chenicheni. Patatha pafupifupi mphindi ziwiri, mawike amadzimadzi pang'onopang'ono adakwera pang'onopang'ono, ndikupanga mafilimu owonekera. Zogulitsa zotentha, mukakumana ndi madzi ozizira, zimatha kusungidwa mwachangu m'madzi otentha ndikuzimiririka m'madzi otentha. Kutentha pakagwa mpaka kutentha kwinakwake, ma viwawo amawoneka pang'onopang'ono mpaka Collous yowonekera bwino imapangidwa. Mtundu wosungunuka umatha kugwiritsidwa ntchito mu ufa ndi matope. M'magulu a udzu ndi utoto, chopindika chodabwitsa chidzachitika ndipo sichingagwiritsidwe ntchito. Mtundu wa nthawi yomweyo umakhala ndi ntchito zambiri. Itha kugwiritsidwa ntchito mu ufa ndi matope, komanso matalala okwanira komanso utoto, popanda contacation.

3. Kodi kusintha kwa ma hydroxypypyll methylcelulose (hpmc)?
- Njira Yotentha Kwambiri: Popeza HPMC sinasungunuke m'madzi otentha, hpmc imatha kukhala yobalalika m'madzi otentha nthawi yoyamba, kenako kusungunuka mwachangu mukakhazikika. Njira ziwiri zomwe zafotokozedwa motere:
1) Ikani madzi otentha mu chidebe ndikutenthetsa pafupifupi 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 osalala, omwe adakhazikika ndi osokoneza.
2) Kenako onjezani kuchuluka kwa madzi ozizira kumadzi otentha mu slurry, osakaniza adakhazikika pambuyo poyambitsa.

Njira yosakanikirana: Sakanizani ufa wa hpmc wokhala ndi zinthu zina zambiri za ufa, kusakaniza bwino ndi chosakanizira, kenako kuwonjezera madzi nthawi ino popanda kutsekera pang'ono. Ufa udzasungunuka nthawi yomweyo. Njira ya --this imagwiritsidwa ntchito ndi ufa ndi opanga matope. [Hydroxypropyl methylcellulose (hpmc) imagwiritsidwa ntchito ngati Thicner ndi Wothandizira madzi mu matope a ufa. ]

4. Momwe mungawonetsere mtundu wa hydroxypropyl methylcellulose (hpmc) mongoyerekeza komanso moyenera.
- Wilyer: (1) Kuyera: Ngakhale kuyera sikungadziwe ngati HPMC ndikosavuta kugwiritsa ntchito, ndipo ngati ofunda amawonjezeredwa, izi zimakhudza mtundu wake. Komabe, ambiri mwazinthu zabwino zimakhala ndi kuyera kwabwino. . Ambiri mwa HPMC yomwe imapangidwa mu hebei ndi 80 mesh. Malipiro abwino, abwino. . Kuchuluka kwake, kukhala bwinoko, komwe kumawonetsa kuti pali zinthu zochepa zomwe zili mkati mwake. Kuphatikizika kwa riyakitala riyakitala nthawi zambiri kumakhala kovuta, ndipo sikunganenere kuti mtundu wa rirtication uli bwino kuposa momwe umadziwira zabwino. (4) Mphamvu yokoka: mphamvu yayikulu, yolemera. Mphamvu yokoka ndiyochulukirapo, makamaka chifukwa ma hydroxypropyl ali mkati mwake ali okwera, ndipo hydroxypropyl yomwe ili pamtunda, kusungidwa kwamadzi ndikwabwino.

5. Kuchuluka kwa hydroxypropyl methylcellulose (hpmc) mu ufa?
- Theanswer: kuchuluka kwa hpmc omwe amagwiritsidwa ntchito mu mapulogalamu othandiza amasiyanasiyana malinga ndi nyengo, kutentha kwapakati, mawonekedwe a ufa ndi "mtundu wofunikira ndi makasitomala". Nthawi zambiri, pali pakati pa 4 kg ndi 5 kg. Mwachitsanzo, ufa zambiri pa Beijing ndi 5 kg; Ambiri mwa ufa wa putty mu guizhou ndi 5 makilogalamu m'chilimwe ndi 4.5 makilogalamu nthawi yozizira;

6. Kodi mawu oyenera a hydroxypropyll methylcelulose (hpmc) ndi chiyani?
- Wirty ufa nthawi zambiri Yuan, ndipo matope amafunika kwambiri, ndipo ndikosavuta kugwiritsa ntchito pa 150,000 Yuan. Kuphatikiza apo, gawo lofunikira kwambiri la hpmc ndikusunga madzi, kenako ndikukula. Mu ufa wa putty, bola ngati kusunga kwamadzi ndikwabwino ndipo mamasuwa ndi otsika (70,000-80,000), nkothekanso. Inde, mafayilo ali okwera kwambiri, ndipo kusungidwa kwamadzi ndikwabwino. Maonekedwe oposa 100,000, mphamvu zakusintha pamadzi osasungidwa sizambiri.

7. Kodi ndi zisonyezo zazikulu zaukadaulo za hydroxypypyl methylcelulose (hpmc)?
- Ananswer: hydroxypyl yokhala ndi mafayilo, ogwiritsa ntchito ambiri amasamala za zizindikiro ziwiri izi. Zokwera kwambiri hydroxypyl, kukonzanso kwamadzi. Maonekedwe apamwamba, kusungidwa kwamadzi, koma (m'malo moyenera) bwino, komanso matope apamwamba, amagwiritsa ntchito matope a simenti.

8. Kodi zida zazikulu za hydroxypypyl ndi methylcelulose (hpmc)?
- A: Zopangira zazikuluzikulu za hydroxpyl methylcellulose (hpmc): Zoyenga), andyl chloride, acid, iluene, isoppanol, eyporpanol, eyporpanol, eyporpanol, e isopropanol, eyporpanol, eyporpanol, eyporpanol, eyporpanol, eyponol, e isopropanol, e isopropanol, e isopropanol, eyporpanol, e isopropanol, e isopropanol, e isopropanol, e isopropanol, e isopropanol, eyporpanol, endopropanol, e isopropanol.

9. Kodi gawo lalikulu la HPMC pakugwiritsa ntchito ufa ndi chiyani, ndipo pali chemistry iliyonse?
- Ananswer: HPMC ili ndi ntchito zitatu za kukula, kusungidwa kwamadzi ndikumanga mu ufa wa punty. Kukula: Cellulose imatha kukuwuma kuti iyimitse, kusungitsa yunifolomu ndi kosasintha, ndikupewa kusanja. Kusungidwa kwamadzi: Pangani utoto wa putty pang'onopang'ono, ndikuthandizira zomwe zimachitika phulusa pansi pamadzi. Ntchito Yomanga: Cellulose ili ndi mafuta owuma, omwe amatha kupangitsa kuti ufa ufa akhale wogwira ntchito bwino. HPMC sinatenge nawo mbali mwanjira iliyonse ya mankhwala ndipo imangodya mbali yothandiza. Kuonjezera madzi ku ufa wa putty ndikuyika pakhoma ndi mankhwala. Chifukwa cha kapangidwe ka zinthu zatsopano, tengani ufa wa putty pakhoma pakhoma, ndikupukuta mu ufa, ndikugwiritsanso ntchito. Sizigwira ntchito, chifukwa zinthu zatsopano (calcium carbonate) yapangidwa. ). Zigawo zikuluzikulu za Ash calcium ufa ndi: osakaniza a ca (o) 2, caon rombon ma cacborate masheya, osatenga nawo gawo chilichonse.

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- Yankho: M'malamulo a Sitiman, osakhala a Ions ndi zinthu zomwe sizimayenda m'madzi. Ma Ionaniriza amatanthauza njira yomwe electrolyte imasungunuka mu ma ion osungunuka osungunuka mwaulere (monga madzi, mowa). Mwachitsanzo, sodium chloride (nacl), mchere umadya tsiku lililonse, umasungunula m'madzi ndi inozi kuti atulutse ma inium aony (Na +) ma ions (chloride omwe amalipidwa. Ndiye kuti, pamene HPMC imayikidwa m'madzi, sizingasungunuke mu ma ions, koma ilipo mu mawonekedwe a mamolekyulu.

11. Kodi kutentha kwa gel nchinji kwa hydroxypypyl methylcelulose yokhudzana ndi?
A: Kutentha kwa gel

12. Kodi ufa wa ufa wa putty umakhala ndi chilichonse chochita ndi HPMC?
- Insweni dontho la putty ufa makamaka limagwirizana ndi mtundu wa calcium, ndipo sachita ndi HPMC. Katswiri wa calcium yotsika ya calcium calcium ndi chiwerengero chosayenera cha cao ndi ca (o) 2 mu phulusa la phulusa limayambitsa ufa. Ngati ili ndi chochita ndi Hopmc, ndiye kuti madzi osauka a HPMC adzayambitsanso ufa wa ufa. Pazifukwa zenizeni, chonde onaninso mafunso 9.

13. Kodi pali kusiyana kotani pakati pa madzi ozizira amtundu wa hydroxypypyl methylcelulose popanga?
- Winwwer: Madzi ozizira amtundu wa HPMC amathandizidwa ndi glyloxal, ndipo amabalalika m'madzi ozizira, koma sungunuka kwenikweni. Pamene mafayilo akutuluka, amasungunuka. Mtundu wosungunuka wotentha sukuthandizidwa ndi Glyloxal. Ngati kuchuluka kwa glyloxal ndi kwakukulu, kubadwaku kudzakhala mwachangu, koma mafanowo adzawonjezeka pang'ono, ndipo zosiyana ndi zikakhala kuti kuchuluka kwa Glyloxal ndikochepa.

14. Kodi fungo la hydroxypypyl ndi methylcelulose (hpmc) ndi chiani)?
- Ananswer: HPMC yomwe imapangidwa ndi njira yosungunulira imagwiritsa ntchito toluene ndi isoppanol ngati zosungunulira. Ngati kusamba sikwabwino kwambiri, padzakhala kukoma kotsalira.

15.
- Ananswer: Kugwiritsa ntchito ufa wa putty: Zofunikira ndizochepa, mawonekedwe ake ndi 100,000, ndikokwanira, chinthu chofunikira ndikusunga madzi. Kugwiritsa kwa matope: Zofunikira kwambiri, mafakiti apamwamba, 150,000 ndiwabwino. Kugwiritsa ntchito guluu: Mukufuna mankhwalawa, mafayilo apamwamba.

16. Kodi alias wa hydroxypypyl ndi chiyani methylcellulose?
- Ananswer: hydroxypropyl methy cellouse, Chingerezi: hydroxypropyl celyl celyl cellose cellose, hpmc kapena mhpc, hypclise; Cellulose hydroxypropyl methy ether; HyPromellose, cellulose, 2-hydroxypropylthyl cellulose ether ether. Cellulose hydroxypropyl methy ether hypoose.

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- Ananswer: HPMC ili ndi ntchito zitatu za kukula, kusungidwa kwamadzi ndikumanga mu ufa wa punty. Osachita nawo chilichonse. Zifukwa zomangirira: 1. Madzi ambiri amaikidwa. 2.

18. Kodi njira yanji ya putty ufa wamkati ndi kunja?
-Answer: mkati mwa khonde la platty ufa: kuwonongeka kwa calcium 800kg, mashenyera (ether ether (en ruther (en ruther (ether ether (en val calther 150kg (wowuma), wobiriwira wonyezimira, wobiriwira acid, elyacrrylamide, etc. akhoza kuwonjezera moyenera)
Khoma lakunja la ufa: simenti 350kg, calcium ma calcium 500kg, Quartz Stuther 150kg, cellUl ether 3,5kg, mitengo ya mtengo wa 2Kg

19. Kodi pali kusiyana kotani pakati pa HPMC ndi MC?
A: MC ndi methyl cellulose, yomwe imapangidwa ndi thonje loyengeza ndi alkali, pogwiritsa ntchito methane methane monga wothandiziranitsa celhaluse kudzera munthawi yotsatira. Nthawi zambiri, kuchuluka kwa zolowa ndi 1.6 ~ 2.0, ndipo solubility ndizosiyananso ndi madigiri osiyanasiyana. Ndi ya etherose ya etheose.

. Nthawi zambiri, ngati kuchuluka kwa kuwonjezera, kukoma mtima ndikochepa, ndipo ma visy ndi akulu, malo osungira madzi ndi okwera. Pakati pawo, kuchuluka kwa kuwonjezerapo kuli ndi chisonkhezero chachikulu pamadzi osunga madzi, ndipo kuchuluka kwa ma virus sikufanana ndi kuchuluka kwa kuchuluka kwa madzi osunga madzi. Chiwerengero chophweka chimatengera kuchuluka kwa mawonekedwe a ma cellulose ndi kukometsa kwa tinthu tambiri. Pakati pa cellulose yomwe ili pamwambapa, methyl cellulose ndi hydroxypropyl meth celyl cellulose imakhala ndi mitengo yapamwamba yamadzi.
(2) Methylcellulose imasungunuka m'madzi ozizira, koma zovuta kusungunuka m'madzi otentha, ndipo yankho lake la madzi ndi lokhazikika mu pH = 3 ~ 12. Imakhala ndi kulumikizana bwino ndi wowuma, Guar Gum, etc. ndi ambiri okonda. Kutentha kukafika kutentha kwa kutentha, chodabwitsa cha gelation chimachitika.
(3) Kusintha kwa kutentha kumakhudzanso kuchuluka kwa madzi a methyl cellulose. Nthawi zambiri, kutentha kwambiri, kumadzaza madzi. Ngati kutentha kwa matope kupitirira 40 ° C, kusunga kwamadzi kwa methyl cellulose kudzakhala koopsa kwambiri, komwe kungasokoneze kugwiritsidwa ntchito kwa matope.
(4) methyl cellulose imakhudzanso kugwirira ntchito ndi kutsatira matope. "Zetheon" Apa amatanthauza adtheion kuwoneka pakati pa chitsimikizo cha wogwira ntchito ndi khoma lalikulu, ndiye kuti, kusweka kwa matope. Kutsatira ndi kwakukulu, kukana matope ndi kwakukulu, ndipo mphamvu yofunikira ndi ogwira ntchito muzogwiritsa ntchito amagwiritsanso ntchito, ndipo zomanga za matope ndizosauka. Methylcellulose adhesion ali pamlingo woyenera mu cellulose ether ether.

HPMC ndi hydroxypropyl methy celyose, yomwe ndi cellulose yopanda ionic yokonzedwa ndi thonje la alkaliya ndi methyl chloride ngati othandizira. Mulingo wazolowa m'malo mwake 1.2 mpaka 2.0. Zinthu zake zimasiyana malinga ndi gawo la methoxyl zomwe zili ndi hydroxypropyl.
(1) Hydroxypropyll methylcellulose imasungunuka mosavuta m'madzi ozizira, koma 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.
. Diasc Soda ndi madzi a laimu samagwira ntchito pang'ono pa ntchito yake, koma alkali amatha kufulumizitsa kufalikira kwake ndikuwonjezera mamasukidwe. Hydroxypropyll methyllulose ndi yokhazikika pamchere wambiri, koma pamene kuchuluka kwa mcherewu ndi wokwera, mamasukidwe a hydroxypropyll so methylcellulose yankho limakonda kukula.
. Monga mowa wa mulyvinyl, madzi owuma, masamba chingamu, etc.
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20. Kodi tiyenera kusamala ndi chiyani pakugwiritsa ntchito ubale pakati pa ma viscty ndi kutentha kwa HPMC?
- Inswor: Makulidwe a HPMC ndi yolingana ndi kutentha, ndiye kuti, mafayilo amawonjezeka ngati kutentha kumachepa. Nthawi zambiri timatchula mafayilo a malonda, omwe amatanthauza zotsatira za madial 2% a madzi okwanira 20 digiri Celsius.

Pamapulogalamu othandiza, madera omwe amakhala ndi kutentha kwambiri pakati pa chilimwe pakati pa chilimwe komanso nthawi yozizira, tiyenera kudziwa kuti tikuyenera kugwiritsa ntchito mafashoni otsika nthawi yozizira, yomwe imathamangira yomanga. Kupanda kutero, kutentha kumakhala kochepa, mamasukidwe a cellulose amakula, ndipo pomwe mtanda watulutsidwa, dzanja lidzakhala lolemera.

Mafayilo apakatikati: 75000-100000 makamaka amagwiritsidwa ntchito

Chifukwa: Kusunga kwamadzi

Maonekedwe apamwamba: 150000-200000 amagwiritsidwa ntchito kwa polystyrene tinthu tating'onoting'ono tomwe zimapangitsa kuti gulululu ndi ufa ndi matope a mictad matope.

Chifukwa: Maonekedwe apamwamba, matope siophweka kugwa, sag, ndikusintha zomanga.

Koma mwachikulu, chidwi cha mafalowa, malo abwino osungira. Chifukwa chake, mafakitale ambiri owuma amalingalira mtengo ndikusintha ma viruki ndi otsika ma cellulose (20000-40000) omwe ali ndi ma raclence a cellulose (75000-100000) kuti muchepetse kuchuluka kwa cellulose (75000-100000) kuti muchepetse kuchuluka kwa cellulose (75000-100000) kuti muchepetse kuchuluka kwake. .