1. Waa maxay codsiga ugu muhiimsan ee hydroxypropyl methylcellulose (HPMC)?
Jawaab: HPMC waxaa si weyn loogu isticmaalaa qalabka dhismaha, dahaarka, xabagta synthetic, ceramics, daawada, cuntada, dunta, beeraha, qurxinta, tubaakada iyo warshadaha kale. HPMC waxa loo qaybin karaa darajada dhismaha, heerka cuntada iyo darajada dawooyinka iyadoo loo eegayo ujeedada. Waqtigan xaadirka ah, badi wax soo saarka gudaha waa heerka dhismaha. Marka la eego heerka dhismaha, budada putty waxaa loo isticmaalaa xaddi badan, qiyaastii 90% waxaa loo isticmaalaa budada shubka, inta soo hartayna waxaa loo isticmaalaa hoobiye sibidhka iyo xabagta.
2. Waxaa jira dhowr nooc oo ah hydroxypropyl methylcellulose (HPMC), maxayse ku kala duwan yihiin isticmaalkooda?
Jawaab: HPMC waxa loo qaybin karaa nooca degdega ah iyo nooca kululaynta. Alaabooyinka nooca degdega ah ayaa si degdeg ah ugu firdhiya biyo qabow oo ku baaba'aan biyaha. Waqtigaan, dareeruhu ma laha wax galmo ah sababtoo ah HPMC waxa kaliya oo lagu kala firdhiyaa biyaha iyada oo aan lahayn milmo dhab ah. Qiyaastii 2 daqiiqo, viscosity ee dareeraha ayaa si tartiib tartiib ah u kordhaya, samaynta kolloid viscos ah oo hufan. Alaabta kulul ee dhalaalaysa, marka ay la kulmaan biyo qabow, waxay si degdeg ah ugu firdhi karaan biyaha kulul waxayna ku baaba'aan biyaha kulul. Marka heerkulku hoos ugu dhaco heerkul cayiman (wax soo saarka shirkadeena waa 65 darajo Celsius), mawjadaha ayaa si tartiib ah u soo baxa ilaa ay ka sameeyaan kolloid viscous ah oo hufan. Nooca kulul-kulul waxa kaliya oo loo isticmaali karaa budada suufka ah iyo hoobiye. Xabagta dareeraha ah iyo rinjiga, waxaa jiri doona ifafaale kooxeysi oo lama isticmaali karo. Nooca degdegga ah wuxuu leeyahay codsiyo kala duwan oo ballaaran. Waxaa loo isticmaali karaa budada putty iyo hoobiye, iyo sidoo kale xabagta dareeraha ah iyo rinjiga, iyada oo aan wax khilaaf ah.
3. Waa maxay hababka kala dirida hydroxypropyl methylcellulose (HPMC)?
Jawaab: Habka kala dirida biyaha kulul: Maadaama HPMC aysan ku milmin biyaha kulul, HPMC si siman ayaa loogu firdhi karaa biyaha kulul marxaladda hore, ka dibna si dhakhso ah u milmi marka la qaboojinayo. Laba hab oo caadi ah ayaa lagu sifeeyaa sida soo socota:
1) Ku rid inta loo baahan yahay ee biyaha kulul weelka oo kuleyl ilaa 70 ° C. Hydroxypropyl methylcellulose ayaa si tartiib tartiib ah loogu daray si tartiib tartiib ah, markii hore HPMC waxay ku dul sabayn jirtay biyaha dusheeda, ka dibna si tartiib tartiib ah u sameeyay slurry, kaas oo lagu qaboojiyey walaaqaya.
2), ku dar 1/3 ama 2/3 qiyaasta biyaha ee loo baahan yahay weelka, oo kuleyli ilaa 70 ° C, ku kala firdhi HPMC sida waafaqsan habka 1), oo diyaari biyo kulul; ka dibna ku dar inta soo hartay ee biyaha qabow slurry biyaha kulul, isku dar ah ayaa la qaboojiyey ka dib markii la walaaqo.
Habka isku darka budada: ku qas budada HPMC iyo tiro badan oo walxo kale oo budo ah, si fiican ugu qas qaswadayaasha, ka dibna ku dar biyo si ay u milaan, ka dibna HPMC waa la milmi karaa wakhtigan iyada oo aan la kicin, sababtoo ah waxaa jira wax yar oo HPMC ah oo yar kasta. budada geesku, waxay isla markiiba milmi doontaa marka biyaha la taabto. ——Soosaarayaasha budada ah iyo hoobiyeyaal ayaa isticmaalaya habkan. [Hydroxypropyl methylcellulose (HPMC) waxaa loo isticmaalaa sidii dhumuc iyo wakiilka biyaha ee hoobiye budada putty. ]
4. Sida loo xukumo tayada hydroxypropyl methylcellulose (HPMC) si fudud oo dareen leh?
Jawaab: (1) Caddaan: Inkasta oo caddaanku aanu go'aamin karin in HPMC ay fududahay in la isticmaalo iyo in kale, haddii wax lagu caddeeyo inta lagu jiro habka wax soo saarka, waxay saameyn doontaa tayada. Si kastaba ha noqotee, badi alaabooyinka wanaagsan waxay leeyihiin caddaan wanaagsan. (2) Wanaag: Wanaajinta HPMC guud ahaan waxay leedahay 80 mesh iyo 100 mesh, iyo 120 mesh ayaa ka yar. Inta badan HPMC ee laga soo saaro Hebei waa 80 mesh. Sida ugu fiican ee ganaaxa, guud ahaan marka la hadlayo, ayaa ka sii wanaagsan. (3) Gudbinta fudud: geli hydroxypropyl methylcellulose (HPMC) biyaha si ay u sameeyaan kolloid hufan, oo fiiri gudbintiisa iftiinka. Sida weyn ee gudbinta iftiinka, ayaa ka sii wanaagsan, taas oo muujinaysa in ay jiraan waxyaabo aan milmi karin oo ku jira. . Dareen-celinta reactors toosan guud ahaan waa wanaagsan tahay, iyo tan reactors-ka jiifka ah ayaa ka sii daran, laakiin macnaheedu maaha in tayada reactors-ka toosan ay ka wanaagsan tahay reactors-ka tooska ah, tayada wax soo saarkana waxaa lagu go'aamiyaa arrimo badan. (4) Cufisjiid gaar ah: Markasta oo uu weynaado cufisjiidka gaarka ah, waa uu sii cuslaaday. Gaar ahaan waa weyn yahay, guud ahaan sababtoo ah waxa ku jira kooxda hydroxypropyl ee ku jira waa sarreeyaa, iyo waxa ku jira kooxda hydroxypropyl waa sarreeyaa, haynta biyaha ayaa ka fiican.
5. Waa immisa xadiga hydroxypropyl methylcellulose (HPMC) ee budada putty?
Jawaab: Qadarka HPMC ee loo isticmaalo codsiyada la taaban karo way kala duwan tahay iyadoo ku xidhan cimilada, heerkulka, tayada kalsiyam dambaska deegaanka, caanaha budada ah iyo "tayada looga baahan yahay macaamiisha". Guud ahaan, inta u dhaxaysa 4 kg ilaa 5 kg. Tusaale ahaan: inta badan budada putty ee Beijing waa 5 kg; Inta badan budada putty ee Guizhou waa 5 kg xagaaga iyo 4.5 kg xilliga qaboobaha; Qadarka putty ee Yunnan waa mid yar, guud ahaan 3 kg ilaa 4 kg, iwm.
6. Waa maxay viscosity habboon ee hydroxypropyl methylcellulose (HPMC)?
Jawaab: Budada Putty guud ahaan waa 100,000 yuan, shuruudaha hoobiye ayaa ka sarreeya, 150,000 yuan ayaa loo baahan yahay si sahlan loo isticmaalo. Waxaa intaa dheer, shaqada ugu muhiimsan ee HPMC waa haynta biyaha, oo ay ku xigto dhumucdi. In budada putty, ilaa iyo inta haynta biyuhu ay wanaagsan yihiin iyo viscosity hooseeyo (70,000-80,000), sidoo kale waa suurtogal. Dabcan, mar kasta oo viscosity-ku sarreeyo, way ka sii fiicnaanaysaa haynta biyaha. Marka viscosityku ka bato 100,000, majiishu waxay saamayn doontaa haynta biyaha. Wax badan maaha.
7. Maxay yihiin tilmaamayaasha farsamada ugu muhiimsan ee hydroxypropyl methylcellulose (HPMC)?
Jawaab: Waxa ku jira Hydroxypropyl iyo viscosity, inta badan isticmaalayaasha ayaa ka walaacsan labadan tilmaame. Kuwa leh maadada hydroxypropyl sare waxay guud ahaan leeyihiin haynta biyaha. Midka leh viscosity sare wuxuu leeyahay haynta biyaha ka fiican, ilaa xad (maaha gabi ahaanba), iyo midka leh viscosity sare ayaa si fiican loogu isticmaalaa hoobiye sibidhka.
8. Waa maxay alaabta ceeriin ee ugu muhiimsan ee hydroxypropyl methylcellulose (HPMC)?
Jawaab: Waxyaabaha ugu muhiimsan ee ceeriin ee hydroxypropyl methylcellulose (HPMC): suuf la safeeyey, methyl chloride, propylene oxide, iyo alaabta kale ee cayriin, soodhaha caustic, acid, toluene, isopropanol, iwm.
9. Waa maxay shaqada ugu weyn ee codsiga HPMC ee budada putty, oo ma ku dhacdaa kiimiko ahaan?
Jawaab: Budada suufka ah, HPMC waxay ka ciyaartaa saddex door oo dhumucdi, haynta biyaha iyo dhismaha. Dhumucda: Cellulose waa la dhumucdi karaa si loo hakiyo oo ay u ilaaliso labbiska kor iyo hoosba, oo ay iska caabiso hoos u dhaca. Haysashada biyaha: ka dhig budada suufka si tartiib ah u engejin, oo ka caawi kalsiyamka dambaska in ay ka fal-celiso ficilka biyaha. Dhisidda: Cellulose waxay leedahay saameyn saliideed, taas oo ka dhigi karta budada putty dhismo wanaagsan. HPMC kama qaybqaadato fal-celin kiimikaad ah, laakiin waxa ay ciyaartaa door caawimo ah. Ku darista biyaha budada suufka ah iyo dhejinta derbiga waa fal-celin kiimikaad, sababtoo ah walxo cusub ayaa la sameeyay. Haddii aad ka saartid budada dhejiska ah ee gidaarka ee derbiga, ku shiiddo budo, oo aad mar kale isticmaasho, ma shaqeyn doonto sababtoo ah walxo cusub (calcium carbonate) ayaa la sameeyay. ) sidoo kale. Qaybaha ugu muhiimsan ee budada calcium ash waa: isku dar ah Ca(OH)2, CaO iyo qadar yar oo CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium waxay ku jirtaa biyaha iyo hawada Iyadoo la raacayo ficilka CO2, kaalshiyam carbonate ayaa la soo saarayaa, halka HPMC ay ceshanayso biyaha, iyada oo caawinaysa falcelinta kalsiyumka dambaska, oo aan ka qayb qaadan wax falcelin ah lafteeda.
10. HPMC waa ether-ka cellulose-ka aan-ionic-ka ahayn, haddaba waa maxay non-ion-ka?
Jawaab: Guud ahaan marka loo hadlo, non-ion waa walax aan ionayn biyaha. Ionization-ku waxa loola jeedaa habka uu elektrolyt-ku u kala qaybsan yahay ion-kooxeed kaas oo si xor ah ugu socon kara dareere gaar ah (sida biyaha, khamriga). Tusaale ahaan, sodium chloride (NaCl), milixda aan cunno maalin kasta, waxay ku milmaysaa biyaha waxayna ionizes si ay u soo saarto si xor ah oo dhaqdhaqaaqa sodium ions (Na+) kuwaas oo si qumman loo dallacay iyo chloride ions (Cl) oo si xun loo dallacay. Taas macnaheedu waxa weeye, marka HPMC la geliyo biyaha, ma kala qaybin doonto ion la soo dalacday, laakiin waxay u jirtaa qaabka molecules.
11. Waa maxay heerkulka jelka ee hydroxypropyl methylcellulose ee la xidhiidha?
Jawaab: Heerkulka jel ee HPMC wuxuu la xiriiraa maadada methoxy, hoos u dhaca maadada methoxy
12. Ma jiraa wax xidhiidh ah oo ka dhexeeya dhibicda budada putty iyo HPMC?
Jawaab: Luminta budada budada ah waxay inta badan la xiriirta tayada kaalshiyamka dambaska, wax yarna kuma laha HPMC. Maaddooyinka calcium ee hooseeya ee kalsiyum cawl iyo saamiga aan habboonayn ee CaO iyo Ca(OH)2 ee kaalshiyamka cawl waxay sababi doontaa luminta budada. Haddii ay wax ku leedahay HPMC, markaa haddii HPMC ay leedahay haynta biyaha oo liidata, waxay sidoo kale sababi doontaa luminta budada. Sababo gaar ah dartood, fadlan tixraac su'aasha 9
13. Waa maxay faraqa u dhexeeya nooca degdegga ah ee biyaha qabow iyo nooca kulul ee hydroxypropyl methylcellulose ee habka wax soo saarka?
Jawaab: Nooca degdegga ah ee biyaha qabow ee HPMC waxaa dusha lagu daaweeyaa glioxal, waxayna si degdeg ah ugu firdhisaa biyo qabow, laakiin runtii ma milaan. Waxa kaliya oo ay milmaan marka uu mawjadaha bato. Noocyada dhalaalidda kulul dusha laguma daweeyo glioxal. Haddii qadarka glioxal uu weyn yahay, kala firdhisyadu waxay noqon doontaa mid degdeg ah, laakiin viscosity ayaa si tartiib ah u kordheysa, haddii qadarku yar yahay, ka soo horjeeda ayaa noqon doona run.
14. Waa maxay urta hydroxypropyl methylcellulose (HPMC)?
Jawaab: HPMC-da ay soo saarto habka dareeraha waxay u isticmaashaa toluene iyo isopropanol sida dareere ahaan. Haddii maydhisku aanu aad u fiicnayn, waxaa jiri doona xoogaa ur ah.
15. Sidee loo doortaa hydroxypropyl methylcellulose (HPMC) ku habboon ujeedooyin kala duwan?
Jawaab: Codsiga budada putty: shuruuduhu aad bay u hooseeyaan, viscosity-kuna waa 100,000, taas oo ku filan. Muhiimadu waa in si fiican loo ilaaliyo biyaha. Codsiga hoobiye: shuruudaha sare, viscosity sare, 150,000 ayaa ka fiican. Codsiga xabagta: alaabo degdeg ah oo leh viscosity sare ayaa loo baahan yahay.
16. Waa maxay magac kale oo loogu talagalay hydroxypropyl methylcellulose?
Jawaab: Hydroxypropyl Methyl Cellulose, Ingiriis: Hydroxypropyl Methyl Cellulose Soo gaabinta: HPMC ama MHPC Alias: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. Codsiga HPMC ee budada putty, waa maxay sababta xumbooyinka budada putty?
Jawaab: Budada suufka ah, HPMC waxay ka ciyaartaa saddex door oo dhumucdi, haynta biyaha iyo dhismaha. Ha ka qaybgelin wax falcelin ah. Sababaha xumbo: 1. Ku shub biyo badan. 2. Lakabka hoose ma aha mid engegan, kaliya ku xoq lakab kale oo sare, wayna fududahay in la xumbo.
18. Waa maxay qaacidada budada putty ee gidaarada gudaha iyo dibadda?
Jawaab: Budada derbiga gudaha ah: calcium culus 800KG, calcium cawl 150KG (starch ether, cagaar saafi ah, ciidda Pengrun, citric acid, polyacrylamide, iwm. ayaa si habboon loogu dari karaa)
Budada derbiga dibadda ah: sibidhka 350KG calcium culus 500KG quartz ciid 150KG budada cinjirka ah 8-12KG cellulose ether 3KG istaarijka ether 0.5KG alwaax fiber 2KG
Waqtiga boostada: Dec-13-2022