1. Menene babban amfani da hydroxypropyl methyl cellulose?
HPMCAna amfani da shi sosai a kayan gini, shafi, resin roba, yumbu, magani, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa matakin masana'antu, matakin abinci da matakin likita bisa ga amfani.
2. An raba sinadarin Hydroxypropyl methyl cellulose zuwa nau'uka daban-daban, menene bambanci tsakaninsu?
Ana iya raba HPMC zuwa nan take (ƙarin bayani "S") da kuma samfuran da ke narkewa da zafi, waɗanda ke narkewa da sauri, a cikin ruwan sanyi da sauri, sun ɓace a cikin ruwa, a wannan lokacin ruwan ba shi da ɗanko, saboda HPMC kawai yana warwatse a cikin ruwa, babu narkewar gaske. Kimanin mintuna 2, ɗankowar ruwan yana ƙaruwa a hankali, yana samar da gel mai haske da mannewa. Samfuran da ke narkewa da zafi, waɗanda aka tara a cikin ruwan sanyi, za su iya warwatse da sauri a cikin ruwan zafi, su ɓace a cikin ruwan zafi, kamar zafin jiki yana raguwa zuwa wani zafin jiki (bisa ga zafin gel na samfurin), ɗanko yana bayyana a hankali, har sai an sami colloid mai haske.
3. Ta yaya za a tantance ingancin hydroxypropyl methyl cellulose cikin sauƙi da fahimta?
1) fari, kodayake fari ba zai iya tantance ko HPMC yana da kyau ba, kuma idan aka ƙara shi a cikin tsarin samarwa, zai shafi ingancinsa, amma, kyawawan kayayyaki galibi fari yana da kyau.
2) fineness: Fineness na HPMC gabaɗaya shine raga 80 da raga 100, ƙasa da manufa 120, fineness mafi kyau.
3) watsa haske: HPMC a cikin ruwa, yana samar da colloid mai haske, yana ganin watsa haske, yana girma da shigar mai kyau, yana bayyana rashin narkewa a ciki, tukunyar amsawa ta tsaye ta digiri gabaɗaya tana da kyau, zai aika wasu daga cikin tukunyar amsawa ta kwance, amma ba zai iya bayyana ingancin samarwa na tukunyar tsaye ya fi samar da kettle ƙarya ba, akwai abubuwa da yawa da ke ƙayyade ingancin samfurin.
4) rabo: girman rabon, nauyin ya fi kyau, fiye da babban, gabaɗaya saboda yawan sinadarin hydroxypropyl a ciki, yawan sinadarin hydroxypropyl yana da yawa, riƙe ruwa ya fi kyau.
4. Waɗanne hanyoyi ne ake amfani da su wajen narkar da sinadarin hydroxypropyl methyl cellulose?
1) Ana iya ƙara duk samfuran a cikin kayan ta hanyar busasshen haɗin;
2) Ana buƙatar a ƙara shi kai tsaye a cikin ruwan zafin da aka saba amfani da shi, ya fi kyau a yi amfani da watsa ruwan sanyi, bayan an ƙara shi gabaɗaya cikin mintuna 10-90 don ya yi kauri (a juya shi)
3) Ana iya narkar da samfuran yau da kullun bayan an haɗa su da ruwan zafi sannan a ƙara ruwan sanyi bayan an juya su kuma a sanyaya su;
4) Idan ana narkewa, idan abin da ke faruwa na haɗa abubuwa, to saboda haɗawar ba ta isa ba ko kuma an ƙara samfurin da aka saba da shi kai tsaye cikin ruwan sanyi. A wannan lokacin, ya kamata a juya shi da sauri.
5) Idan kumfa ya bayyana yayin narkewar, ana iya cire su ta hanyar tsayawa na tsawon awanni 2-12 (lokacin da aka ƙayyade ya dogara da daidaiton maganin) ko ta hanyar yin amfani da injin tsabtacewa da matsi, ko kuma ta hanyar ƙara adadin sinadarin da ke lalata shi.
5 hydroxypropyl methyl cellulose a cikin adadin foda putty?
HPMC a zahiri amfani da adadin, ta hanyar yanayin yanayi, zafin jiki, ingancin sinadarin calcium mai launin toka na gida, dabarar foda mai putty da buƙatun abokin ciniki na inganci daban-daban, kuma akwai bambance-bambance a kusa, gabaɗaya tsakanin kilogiram 4-5.
6. Menene dacewar danko na hydroxypropyl methyl cellulose?
Fulawar putty gabaɗaya tana da gwangwani 100,000, buƙatun turmi sun fi girma, zuwa 150000 kawai yana da kyau, kuma HPMC shine mafi mahimmancin aiki shine riƙe ruwa, sannan kauri. A cikin foda putty, matuƙar riƙe ruwa yana da kyau, ɗanɗano yana da ƙasa (7-8), haka nan yana yiwuwa, ba shakka, ɗanɗano ya fi girma, riƙe ruwa mai alaƙa ya fi kyau, idan ɗanɗano ya fi 100,000, ɗanɗano na riƙe ruwa ba shi da yawa.
7. Menene manyan kayan da ake amfani da su wajen samar da sinadarin hydroxypropyl methyl cellulose?
HPMCmanyan kayan aiki: auduga mai tsafta, chloromethane, propylene oxide, sauran kayan aiki, alkali na kwamfutar hannu, acid toluene.
8. Hydroxypropyl methyl cellulose wajen amfani da foda putty, babban aikin, ko sinadarai?
A cikin foda na putty, kauri, riƙe ruwa da kuma gina ayyuka uku. Kauri, ana iya ƙara cellulose zuwa dakatarwa, don haka maganin ya kasance iri ɗaya sama da ƙasa a kan rawar da hana kwarara ke ratayewa. Rike ruwa: sa foda na putty ya bushe a hankali, ƙarin sinadarin launin toka a cikin aikin amsawar ruwa. Ginawa: shafa mai a cikin cellulose, zai iya sa foda na putty ya kasance mai kyau. HPMC ba ya shiga cikin duk wani halayen sinadarai, amma yana taka rawa kawai.
9 .hydroxypropyl methyl cellulose shine cellulose ether wanda ba ionic ba ne, to menene non-ionic?
A taƙaice dai, abubuwan da ba su da aiki ba sa shiga cikin halayen sinadarai.
CMC (carboxymethyl cellulose) shine cationic cellulose, don haka gamuwa da launin toka calcium zai zama ragowar wake curd.
10. Menene manyan alamun fasaha na hydroxypropyl methyl cellulose?
Abubuwan da ke cikin Hydroxypropyl
Yawan sinadarin methyl
danko
toka
Rage nauyi mai bushewa
11. Me ke da alaƙa da zafin gel na hydroxypropyl methyl cellulose?
Zafin gel na HPMC yana da alaƙa da abun da ke cikin methoxyl, ƙarancin abun da ke cikin methoxyl, mafi girman zafin gel.
Alaƙar foda mai digo 12 da hydroxypropyl methyl cellulose?
Idan HPMC ba ta da isasshen riƙe ruwa, zai haifar da foda.
13 hydroxypropyl methyl cellulose wajen amfani da foda na putty, kumfa na putty mene ne dalili?
HPMC a cikin foda mai tsami, kauri, riƙe ruwa da gina ayyuka uku, dalilin kumfa:
1.) Ana ƙara ruwa da yawa.
2.) Ƙasan ƙasan ba ya bushewa, sannan a goge wani Layer a kai, wanda kuma yana da sauƙin kumbura.
14. Menene bambanci tsakanin cellulose mai narkewa cikin ruwan sanyi da kuma hydroxypropyl methyl cellulose mai narkewa cikin zafi a tsarin samarwa?
Nau'in maganin ruwan sanyi na HPMC ana yin sa ne bayan an yi masa maganin glyoxal surface, sai a zuba a cikin ruwan sanyi da sauri, amma ba a narke sosai ba, sai ya narke, sannan ya narke. Ba a yi wa nau'in da ke narkewa da zafi magani da glyoxal ba. Adadin glyoxal yana da yawa, watsawar yana da sauri, amma danko yana da jinkiri, adadin yana da ƙarami, akasin haka.
15. Me ke damun ƙamshin hydroxypropyl methyl cellulose?
Ana yin HPMC ta hanyar amfani da hanyar narkewar abinci ne daga toluene da isopropyl alcohol. Idan wanke-wanke bai yi kyau ba, za a sami ɗanɗanon da ya rage. (Mayar da hankali kan rashin narkewar abinci shine babban hanyar da ake bi don wari).
16. Ta yaya za a zaɓi hydroxypropyl methyl cellulose mai dacewa don amfani daban-daban?
Foda mai kauri: buƙatun riƙe ruwa mai yawa, dacewa mai kyau ta gini (matakin da aka ba da shawarar: 75AX100000)
Turmi mai tushen siminti na yau da kullun: riƙe ruwa mai yawa, juriya ga zafin jiki mai yawa, ɗanko nan take (matakin da aka ba da shawarar: 75AX150000)
Amfani da manne na gini: samfuran nan take, yawan danko. (Lambar alamar da aka ba da shawarar: 75AX200000S)
Turmi na Gypsum: riƙe ruwa mai yawa, matsakaicin da ƙarancin danko, danko nan take (matakin da aka ba da shawarar: 75AX75000)
17. Menene sunan laƙabin hydroxypropyl methyl cellulose?
HPMC ko MHPC wanda aka fi sani da hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
18. Menene bambanci tsakanin hydroxypropyl methyl cellulose daMC?
MC shine methyl cellulose, an tsaftace shi da auduga bayan maganin alkali, methane chloride a matsayin wakili mai tsarkakewa, ta hanyar jerin halayen kuma an yi shi da cellulose ether, matakin maye gurbin gabaɗaya shine 1.6-2.0, matakin maye gurbin daban-daban shima ya bambanta, yana cikin cellulose ether mara ionic.
(1) Rike ruwa na methyl cellulose ya dogara da adadin ƙarinsa, ɗanko, ɗanko na barbashi da kuma yawan narkewar sa. Gabaɗaya, adadin ƙarin yana da girma, ɗanko yana da girma, ɗanko yana da girma, adadin ƙarin yana da tasiri mai yawa akan ƙimar riƙe ruwa, ɗanko da ƙimar riƙe ruwa ba su ƙasa da alaƙar ba, ƙimar narkewar ya dogara ne akan matakin gyaran saman da ƙarancin barbashi na barbashi na cellulose. Methyl cellulose da hydroxypropyl methyl cellulose a cikin ƙwayoyin cellulose da yawa da ke sama suna da ƙimar riƙe ruwa mafi girma.
(2) Ana iya narkar da Methyl cellulose a cikin ruwan sanyi, ruwan zafi zai yi wuya ya narke, ruwan da ke cikin pH = 3-12 yana da ƙarfi sosai, kuma sitaci, da sauransu, kuma yawancin surfactants suna da kyakkyawan jituwa, lokacin da zafin jiki ya kai zafin gelation, za a sami yanayin gelation.
(3) Canje-canje a yanayin zafi zai yi tasiri sosai ga yawan riƙe ruwa na methyl cellulose, gabaɗaya, idan yawan zafin ya yi yawa, to, riƙe ruwa ya fi muni. Idan zafin turmi ya wuce digiri 40, riƙe ruwa na methyl cellulose zai yi muni sosai, wanda hakan zai shafi yadda turmi zai iya ginawa sosai.
(4)Methyl celluloseyana da tasiri a fili kan yadda ake ginawa da kuma mannewa na turmi. Mannewa a nan yana nufin ƙarfin manne da manne da ma'aikacin ya ji tsakanin kayan aiki da bangon da aka yi amfani da shi, wato, juriyar yanke turmi. Mannewa yana da girma, juriyar yanke turmi yana da girma, ƙarfin da ma'aikata ke buƙata yayin amfani shi ma yana da girma, kuma gina turmi ba shi da kyau.
Lokacin Saƙo: Afrilu-25-2024