1. Waa maxay ujeeddada ugu weyn ee hydroxypropyl methylcellellase (HPMC)?
--A: HPMC waxaa si weyn loogu isticmaalaa dhisidda agabyada, jaakadaha, dhajinta isku-darka, dhoobada, dawada, cuntada, dharka, waxyaabaha la isku qurxiyo, tubaakada iyo warshadaha kale. HPMC waxaa loo qaybin karaa: Fasalka Dhismaha, Darajada Cuntada iyo Darawalka Daawada iyadoo loo eegayo ujeedadaas. Waqtigan xaadirka ah, inta badan waxyaabaha gudaha badankood waa fasalka dhismaha. Fasalka dhismaha, xaddiga budada beddelka ah waa mid aad u ballaaran, qiyaastii 90% waxaa loo isticmaalaa budada isbadalka, inta soo hartayna waxaa loo isticmaalaa hoolkan iyo xabagta.
2. Waxaa jira dhowr nooc oo ah hydroxypropylyl methylcelrelolose (HPMC), iyo waa maxay farqiga u dhexeeya isticmaalkooda?
--Answer: HPMC waxaa loo qaybin karaa nooca deg-degga ah iyo nooca kulul. Nooca Nooca-Nooca-Degdegga ah si dhakhso ah ayuu ugu kala firdhiyaa biyaha qabow oo ku baaba'a biyaha. Waqtigaan, dareeraha ma lahan viscosity, maxaa yeelay HPMC waxaa lagu kala firdhiyaa oo keliya biyaha oo aan lahayn kala diris dhab ah. Qiyaastii 2 daqiiqo ka dib, aragtida dareeraha ayaa si tartiib tartiib ah u kordhay, sameynta colloid viscous transpareus. Alaab kulul oo kulul, markii aad la kulanto biyo qabow, si dhakhso leh ayaa loogu kala firdhi karaa biyo kulul oo ku baaba'ay biyo kulul. Markay heerkulku u daadiyaa heerkul gaar ah, muuqaalku si tartiib tartiib ah ayuu u muuqdaa ilaa viscous viscous viscous. Nooca kulul-dhalaalaa waxaa loo isticmaali karaa oo keliya budada iyo madaafiicda. Ku dhaji xabagta dareeraha ah iyo rinjiga, ifafaale burburin ayaa dhici doonta oo lama isticmaali karo. Nooca degdegga ah wuxuu leeyahay codsiyo ballaaran oo ballaaran. Waxaa loo isticmaali karaa budada loo yaqaan 'pudoty budo iyo hoobiye, iyo sidoo kale xabagta dareeraha ah iyo rinjiga, iyada oo aan wax gaar ah wax tar ah.
3. Waa maxay hababka kala dirida ee hydroxypropyl methylcelrellase (HPMC)?
--Answer: Habka Kala-goynta biyaha ee kulul Laba habab oo caadi ah ayaa lagu sifeeyay sida soo socota:
1) Dhex dhig qaddarka loo baahan yahay ee biyaha kulul weelka oo kululee ilaa 70 ° C. The Hydroxypropylkylcellellase methylcelrelose waxaa si tartiib tartiib ah loogu daray isbadal gaabis ah, markii hore HPMC waxay dul saartay dusha sare ee biyaha, ka dibna si tartiib tartiib ah ayaa loo sameeyay slurry, kaas oo lagu qaboojiyey.
2), ku dar 1/3 ama 2/3 ee biyaha loo baahan yahay weelka, kuna kuleylka 70 ° C, iyadoo loo eegayo habka 1), u diyaarso biyo-dhimis biyo kulul; Ka dib ku dar qaddarka haray ee biyaha qabow si aad u kulul tahay biyo jilicsan, isku dar ah ayaa la qaboojiyey ka dib markii ay kareyso ka dib.
Qaabka budada ah Budada ayaa si dhakhso leh ugula shaqeyn doonta si dhakhso leh ula xiriir biyaha. Habka loo adeegsado budada budada ah iyo soo-saareyaasha hoobiyeyaasha. [Hydroxypropyl methylcelrelose (HPMC) waxaa loo isticmaalaa sida dhumuc weyn iyo wakiil biyo-haynta madaafiicda budada ah. ]
4. Sideed u xukumaan tayada tayada hydroxypropyl methylrcellellase (HPMC) si fudud iyo si heer sare ah?
--3swer: (1) Cunnadaha: In kasta oo cadaanku uusan go'aan ka gaari karin in HPMC ay fududahay in la isticmaalo, iyo haddii iftiimida lagu daro geedi socodka wax soo saarka, waxay saameyn ku yeelan doontaa tayadeeda wax soo saarka. Si kastaba ha noqotee, inta badan waxyaabaha wanaagsan ee wanaagsan waxay leeyihiin cadaan wanaagsan. (2) Filinka: Dhalinta HPMC guud ahaan waa 80 mesh iyo 100 mesh, iyo 120 mesh ayaa ka yar. Inta badan HPMC waxaa laga soo saaray Hebei waa 80 mesh. Finalka wanaagsan, ayaa ka fiican. (3) Tartamaadda: Ku rid hydroxypropyl methrcelrelose (HPMC) oo biyo ah si ay u sameeyaan isku dhac daah furnaan, oo hubi in transmings. The-ka sareeya ayaa ka gudbaya, sida ugu fiican, ee muujinaya in ay jiraan walxaha ka hooseeya maandooriyaha. Qurux-darrada faneecada toosan guud ahaan way fiicantahay, oo falcelinta toosan ayaa ka sii dara, laakiin lama dhihi karo tayada falcelinta toosan ay ka fiicantahay tan fal-galka toosan, waxaana jira arrimo badan oo go'aamiya tayada wax soo saarka. (4) culeys gaar ah: culayska weyn ee culeyska gaarka ah, oo si fiican u sii culus. Cudurka gaarka ah waa weyn yahay, guud ahaan maxaa yeelay biyaha hydroxypropyl ee ku jira ayaa ka sarreeya, oo nuxurka hydroxypropyl waa mid sare, haynta biyaha ayaa ka fiican.
5. Qaddarka hydroxypropyl methylrcellellase (HPMC) ee budada ah?
--Answer: Caddadka HPMC ee loo adeegsado codsiyada la taaban karo waxay ku kala duwan yihiin iyadoo ay ku xidhan tahay cimilada, heerkulka, tayada kaalshiyamka ee maxalliga ah, qaaciddada budada ah ee ay u baahan yihiin macaamiisha ". Guud ahaan hadalka, waa inta u dhaxaysa 4 kg iyo 5 kg. Tusaale ahaan, inta badan budada isbeddelka ee Beijing waa 5 kg; Inta badan budada wareega ee Guizhou waa 5 kg xagaaga iyo 4.5 kg xilliga qaboobaha;
6. Waa maxay jacaylka ku habboon ee ku habboon hydroxypropyl methylcelrelosuse (HPMC)?
- Damaanad Intaa waxaa sii dheer, doorka ugu muhiimsan ee HPMC waa in la ilaaliyo biyaha, oo ay ku xigto dhumuc weyn. Beddelka budada, illaa iyo inta haynta biyuhu ay wanaagsan tahay oo uu viscosity yahay mid hooseeya (70,000-80,000), sidoo kale waa macquul. Dabcan, muuqaalku wuu ka sarreeyaa, oo haynta biyaha qaraabada ah ayaa ka fiican. Marka codku uu ka badan yahay 100,000, saameynta codsiga ee haynta biyaha ma badna.
7. Waa maxay tilmaamayaasha farsamada ee ugu weyn ee hydroxypropyl methylcelrelose (HPMC)?
--Answer: hydroxypropyl iyo viscosity, inta badan dadka isticmaala ayaa daryeela labadan tilmaamayaasha. Waxyaabaha ugu sareeya ee hydroxypropyl, haynta biyaha ka fiican. Viscosity, haynta biyaha, sida caadiga ah (halkii ay ka fiicnaan lahaayeen) ka fiican, iyo viscosity sare, oo si fiican loogu isticmaalo hoolkan.
8. Waa maxay aaladda ugu weyn ee ceeriin ee hydroxypropyl methylcelrellase (HPMC)?
- A: Alaabada ugu weyn ee ceeriin ee hydroxypropylylrcellellase (HPMC): Pedyly chloride, pretylne chloride, ashyaa'da ceyriinka ah, aashito, toluene, isopriol, iwm.
9. Waa maxay doorka ugu weyn ee HPMC ee adeegsiga budada ah, oo ma jiraan wax kimis ah?
--Answer: HPMC waxay leedahay seddex howlo oo ah dhumuc, haynta biyaha iyo dhismaha budada wareega. Q aadrta: Cellulose waa la qaddarin karaa in la joojiyo, xalka xalka xalka iyo is-waafajinta, oo iska caabiso salka. Haynta Biyaha: Ka dhig budada wareega si tartiib tartiib ah, oo ka caawi jawaab celinta kaalshiyamka ash ee hoos timaadda tallaabada biyaha. Dhismaha: Cellulose waxay leedahay saameyn saliiyin ah, kaas oo ka dhigi kara budada is-beddelka leh ee leh nashaadaad wanaagsan. HPMC kama qaybqaadato falcelin kiimiko ah oo kaliya waxay ku ciyaareysaa kaalin hufan. Biyo ku darista biyaha budada ah oo gidaarka ku dheji darbiga waa falcelin kiimiko ah. Sababta oo ah sameynta walxaha cusub, ka qaado budada wareega darbiga derbiga derbiga ka saar, ku kari budo, oo mar labaad isticmaal. Ma shaqeyn doonto, maxaa yeelay walxaha cusub (Kalsium Carbochote) ayaa la sameeyay. ). The main components of ash calcium powder are: a mixture of Ca(OH)2, CaO and a small amount of CaCO3, CaO+H2O=Ca(OH)2—Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium in water and air Under the action of CO2, calcium carbonate is generated, while HPMC only retains water and assists the better reaction of ash calcium, and does not participate in any reaction lafteeda.
10. HIPMC waa unug aan ion-ionc celyer ether, markaa waa maxay non-ionic?
- Jawaab: Marka loo eego shuruudaha beenta ah, kuwa aan imaanaynin waa walxo aan ku jirin biyo. Ionition waxaa loola jeedaa geedi socodka ay elektrolyte ah loo kala baxo iont-ka-dhaqaaqista ee bilaashka ah ee xalka qaaska ah (sida biyaha, aalkolada). Tusaale ahaan, sodium chloride (NACL), milixdu waxay cuntaa biyaha, kuna diinta biyaha iyo ionizes si loo soo saaro sodium ion (na +) oo si wanaagsan loo soo dallacayo iyo khlorides ion (cl) oo si xun loo eedeeyo. Taasi waa, marka HPMC lagu dhejiyo biyaha, kuma kala baxo dacwadda ionda, laakiin waxay ku jirtaa qaab moleekules.
11. Waa maxay heerkulka gel ee hydroxypropyl methylcellesulose la xiriirta?
A: Heerkulka geedka geedka ee HPMC wuxuu la xidhiidhaa kuwa methoxy-ka ah, hoos udhaca hoose ee cudurka 'choxyfy', ee heerkulka geedka sare ↑.
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--Answer: dhibicda budada ah ee budada ah ayaa inta badan la xidhiidha tayada Ash kaalshiyamka Ash, oo wax yar ku yeeshaan HPMC. Kontaum-ka Kalseeyamka Hoose ee kaalshiyamka Ash iyo cabirkiisa aan habooneyn ee Cao iyo CA (Oh) 2 ee kaalshiyamka Ash wuxuu sababi doonaa dhibic budo ah. Haddii ay wax ku qabato HPMC, markaa haynta biyaha ee liidata ee HPMC ayaa waliba sababi doonta dhibic budo ah. Sababaha qaaska ah, fadlan tixraac su'aasha 9.
13. Waa maxay farqiga u dhexeeya nooca biyaha qabow iyo nooca kulul ee kululaynta ee hydroxypropyl methylcelrellase ee habka wax soo saarka?
--Swer: Nooca qabow ee biyaha ee HPMC waa dusha sare ee lagu daaweeyo Gelyox, oo si dhakhso leh ayaa loogu firdhiyaa biyo qabow, laakiin runtii ma kala diri karo. Markuu codku kaco, waa la kala diri doonaa. Nooca kulul ee dhalaalaya ma aha dusha sare ee lagu daweeyo geltox. Haddii qaddarka Gelyox uu ballaaran yahay, kala firidhsan ayaa si dhakhso leh, laakiin viscosity si tartiib ah ayuu u kordhayaa, oo ka soo horjeedda ayaa noqon doonta markii qaddarka Galcal uu yar yahay.
14. Waa maxay ur udgoonkii hydroxypropyl methylcelrelose (HPMC)?
--Answer: HPMC waxaa soo saaray habka dareeraha ah ee loo adeegsado toluene iyo isopropanol sida dareeraha. Haddii maydhistu aysan aad u fiicneyn, waxaa jiri doona xoogaa dhadhan haraaga ah.
15. Sidee loo doortaa in lagu doorto hyroxypropyl methylcelrelolose (HPMC) ujeeddooyin kala duwan?
--Answer: Adeegsiga budada beddelka ah Adeegsiga madaafiicda: shuruudaha sare, viscosity sare, 150,000 ayaa ka fiican. Codsiga koobka: u baahan wax soo saar deg deg ah, viscosity sare.
16. Waa maxay aliaskii ee ku jira hydroxypropyl methylcelrelose?
--Swer: hydroxypropyll bylule, oo ah: hydroxypropyl pluelose methyl by cell by bell by bell by bylulose by bluelulose: Soo-saaridda unugyada ee metlule melulose: HIPMC ama MHPC alias: hypromellose; Cellulose hydroxypropylyl ether ether ether ether ether ah; Hantpromellose, cellulose, 2-hydroxypropylmedyl bluether celther. Cilmiga unugyada hydroxypropylykyl erint erint cretrose.
17. Codsiyada HPMC ee budada ku jirta, Waa maxay sababta loo yahay xumbada ku jirta budada.
--Answer: HPMC waxay leedahay seddex howlo oo ah dhumuc, haynta biyaha iyo dhismaha budada wareega. Kuma lug laha fal-celin kasta. Sababaha xumbada: 1. Biyo aad u badan ayaa la dhigayaa. 2. Lakabka hoose ma qallajiyo, kaliya xoq lakab kale oo dusha sare ah, waana fududahay in la xumaado.
18. Waa maxay qaaciddada budada ah ee loo yaqaan 'Putty budada loo yaqaan' derbiyada gudaha iyo dibadda ah?
- Damaanaanta wareega gidaarka ee gudaha: kaalshiyamka culus ee finanka ah ee ah 800kg, kaalshiyamka ashtar (istaari-cagaaran (istaarijka saafiga ah, pent rung runtu, plgr)
Budada wareega ee derbiga ah: sibidhka 350kg, kaalshiyam culus oo culus, quntz ciid ah 150kg, celch petch 3kch verch 3.5kg, alwaax fiber ah 2kg
19. Waa maxay farqiga u dhexeeya HPMC iyo MC?
A: MC waa bylulose by methyl, oo lagu daweeyo suufka la safeeyey ee loo yaqaan 'alkali lagu daweeyo alkali, iyadoo la adeegsanayo methane chlorine ah oo ay tahay wakiil ether ah oo ay ka dhigto jawaab celin taxane ah. Guud ahaan, heerka beddelka waa 1.6 ~ 2.0, iyo jilicsaduba waxay sidoo kale ku kala duwan yihiin heerar kala duwan oo beddelaad ah. Waxaa iska leh chether aan inoonc ahayn.
(1) Haynta biyaha ee methyl cellulose waxay kuxirantahay qaddarka ku-daynta, viscosity, netka-ne-ka-dhagafka iyo heerka kala-baxa. Guud ahaan, haddii xaddiga isugeynta uu weyn yahay, luuqaduhu waa yar yahay, viscosity waa mid ballaaran, heerka haynta biyaha ayaa sarreeya. Waxaa ka mid ah, xaddiga isugeyntu waxay leedahay saameynta ugu weyn ee saamiga haynta biyaha, iyo heerka viscosity ma aha mid u dhigma heerka haynta biyaha. Heerka kala-diridda badanaa wuxuu kuxiran yahay heerka wax ka badalida dusha sare ee walxaha unugyada iyo dhagaxa dareenka. Kuwa ka mid ah kuwa kahortagga kanta ee kor ku xusan, methyl bylulose iyo hydroxypropyl bylule cellulose ayaa leh heerarka haynta biyaha.
(2) methylcellosuse waxay ku milmaysaa biyo qabow, laakiin ay adag tahay in lagula milmo biyaha kulul, iyo xalka aqueous ay aad u deggan tahay tirada ph = 3 ~ 12. Waxay ku habboon tahay istaarijka, xanjo, iwm. Iyo surfacado badan oo badan. Marka heerkulku gaaro heerkulka uu ku jiro, ifafaalaha uu ka dhaco.
(3) Isbedelka heerkulka ayaa si daran u saameyn doona heerka biyaha ee biyaha ee methyl bluelose. Guud ahaan, heerkulka sare, ayaa ka sii daraya haynta biyaha. Haddii heerkulka mootada uu ka badan yahay 40 ° C, haynta biyaha ee methyl bylulose aad ayuu uga sii dari doonaa, kaas oo si daran u saameyn doona nashawga madaafiica.
(4) Midaynta methyl bylulose waxay saameyn weyn ku leedahay la-hawlgalaynta iyo ashyaa'da hoobiyeyaasha. "Adhesion" Halkan waxaa loola jeedaa adhesion wuxuu dareemay in ka dhexeeyo qalabka arjiyaha codsadaha iyo sunta derbiga ah, taasi waa xishood daran ee hoobiyaha. Caabudanadu wey badan tahay, oo xishoodkuna waa weyn yahay, oo waa xoog badan yahay, oo dhoobo ayaa loo baahan yahay, oo madaafiica loo baahan yahay. Methercelrellose adhesion waxay ku jirtaa heer dhexdhexaad ah oo ku jira wax soo saarka unugyada ether ee chetterka.
HPMC waa hydroxypropyl bylulel bylulose, oo ah unugyada unugyada aan ini-inic-ka ee loo diyaariyey jawaab celin taxane ah ka dib markii loo yaqaan 'alkali' ee suufka la safeeyey, iyadoo la adeegsanayo pholeyne oker ah oo ah wakiil ka mid ah wakiilada. Heerka beddelka guud ahaan waa 1.2 ilaa 2.0. Guryadihiisu way kala duwan yihiin iyadoo kuxiran saamiga chisroxyl-ka chistoxyl iyo waxyaabaha ku jira hydroxypropyl.
(1) hydroxypropylykylrcellellase si fudud ayaa loo milmiyaa biyo qabow, laakiin waxay la kulmi doontaa dhibaatooyin xagga kala-baxa biyaha kulul. Laakiin heerkulka uu ku jiro biyaha kulul ayaa si aad ah uga sarreeya kan methyl bylulose. Kala-diridda biyaha qabow sidoo kale si weyn ayaa loo hagaajiyaa marka la barbar dhigo by methyl bylulose.
(2) Hydroxypropylylcellellase methylcelrellase waxay deggan tahay aashitada iyo aashitada, iyo xalka aqueous waa mid aad u deggan xalka PH = 2 ~ 12. Biyaha caustic iyo lime biyuhu saameyn yar ayey ku leeyihiin wax-qabadkeeda, laakiin alkali waxay dardargelin kartaa kala diridda waxayna kordhin kartaa codsiga. Hydroxypropylylulolose methylcelrellose wuxuu deggan yahay in cusbada caanka ah, laakiin markii ururinta milixda ay aad u sarreyso, qaboojinta ee ku jirta hydroxypropylfellsyse xalka ayaa kor u kacaya.
(3) Hydroxypropylykylselcolose waxaa lagu qasi karaa xeryahooda polymer-ku-sifeyl-biyoodka si ay xal uga sameystaan labis iyo viscosity sare. Sida aalkolada polyvinyl, istaarch ether, xanjada khudradda, iwm.
(4) Assision of hydroxypropylkyl methylcelrellase in dhismaha madaafiicda ay ka sarreeyaan kan methylcellosuse.
(5) Hydroxypropylykylcellellase waxay leedahay iska caabbinta enzyme ee ka fiican kan methylcellosuse, iyo xalka ay ku jirto xargaha sharafta leh ee suuragalnimada ayaa ka hooseeya kan methylcellose.
20. Maxaa la helayaa fiiro gaar ah oo ku saabsan adeegsiga xiriirka ka dhexeeya jacaylka iyo heerkulka HPMC?
--Sanswer: Maskaxda HPMC si isdaba joog ah ayey u dhigantaa heerkulka, taasi waa, viscosity-ka ayaa sii kordhaya maadaama heerkulku yaraado. Waxaan sida caadiga ah u jeednaa aragtida sheyga, oo loola jeedo natiijada baaritaanka ee 2% xalka aqueous ee heerkulka 20 darajo Celsius.
Codsiyada wax ku oolka ah, meelaha ay ku kala duwan yihiin heerkulka weyn ee u dhexeeya xagaaga iyo jiilaalka, waa in lagu talinayaa in lagula talinayo in la isticmaalo viscosity hoose xilliga qaboobaha, kaasoo si ku habboon dhismaha. Haddii kale, marka heerkulku hooseeyo, aragtida unugyada unugyada, iyo marka dufku xoqdo, gacantu waxay noqon doontaa mid culus.
Muuqaal dhexdhexaad ah: 75000-100000 ayaa badanaa loo isticmaalaa putty
Sababta: haynta biyaha wanaagsan
Viscosity: 150000-200000 ayaa inta badan loo isticmaalaa by budada kuleylka kuleylka kuleylka kuleylka ee polystyrerere iyo jahwareerka kuleylka ee nafaqada leh microber.
Sababta: viscosity weyn, madaafiicku ma fududa in la dhaco, sag, iyo hagaajinta dhismaha.
Laakiin guud ahaan, waxa ku sareeya Viscosity, ayaa sii wanaabaya haynta biyaha. Sidaa darteed, duruuqyo badan oo madaafiic ah ayaa tixgeliya kharashka oo beddela jahwareerka dhexdhexaadka ah iyo kan hoose ee viscosis (20000-40000) oo leh unugyada isku-dhafka ah (75000-100000) si loo yareeyo xaddiga isugeynta. .
Waqtiga Post: Feb-20-2025