1. Waɗanne hanyoyi ne ake amfani da su wajen narkar da sinadarin hydroxypropyl methylcellulose HPMC?
Amsa: Hanyar narkar da ruwan zafi: Tunda HPMC ba ya narkarwa a cikin ruwan zafi, ana iya wargaza HPMC daidai gwargwado a cikin ruwan zafi a matakin farko, sannan a narkar da shi da sauri idan ya sanyaya. An bayyana hanyoyi guda biyu na yau da kullun kamar haka:
1), ƙara 1/3 ko 2/3 na adadin ruwan da ake buƙata a cikin akwati, sannan a dumama shi zuwa 70°C, a watsa HPMC bisa ga hanyar 1), sannan a shirya ruwan zafi; sannan a ƙara sauran ruwan sanyi a cikin ruwan zafi, an sanyaya cakuda bayan an juya.
Hanyar haɗa foda: a haɗa foda na HPMC da adadi mai yawa na sauran abubuwa masu ƙura, a haɗa sosai da mahaɗi, sannan a ƙara ruwa don narkewa, sannan a iya narkar da HPMC a wannan lokacin ba tare da haɗa shi ba, saboda akwai ƙaramin HPMC kawai a cikin kowace ƙaramin kusurwa Foda, za ta narke nan da nan lokacin da ta taɓa ruwa. ——Masana'antun foda na Putty da turmi suna amfani da wannan hanyar. [Ana amfani da Hydroxypropyl methylcellulose (HPMC) a matsayin mai kauri da kuma mai riƙe ruwa a cikin turmi na putty.
2) A zuba ruwan zafi da ake buƙata a cikin akwati a dumama shi zuwa kimanin digiri 70 na Celsius. A hankali a zuba hydroxypropyl methylcellulose a hankali a hankali a juya shi, da farko HPMC ta yi iyo a saman ruwan, sannan a hankali ta samar da wani sinadari mai laushi, wanda aka sanyaya a lokacin juyawa.
2. Akwai nau'ikan hydroxypropyl methylcellulose HPMC da dama. Menene bambance-bambancen amfani da su?
Amsa: Ana iya raba Hydroxypropyl methylcellulose HPMC zuwa nau'in nan take da nau'in narkewar zafi. Samfuran nan take suna watsuwa cikin sauri a cikin ruwan sanyi kuma suna ɓacewa cikin ruwa. A wannan lokacin, ruwan ba shi da ɗanɗano, saboda HPMC yana warwatse ne kawai a cikin ruwa, babu ainihin narkewa. Kimanin mintuna 2, ɗanɗano na ruwan yana ƙaruwa a hankali, yana samar da colloid mai haske. Samfuran da ke narkewa da zafi, idan aka haɗu da ruwan sanyi, za su iya watsuwa da sauri a cikin ruwan zafi kuma su ɓace a cikin ruwan zafi. Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, ɗanɗano zai bayyana a hankali har sai ya samar da colloid mai haske. Ana iya amfani da nau'in narke mai zafi kawai a cikin foda da turmi. A cikin manne da fenti na ruwa, za a sami wani abu na rukuni kuma ba za a iya amfani da shi ba. Nau'in nan take yana da fa'idodi da yawa. Ana iya amfani da shi a cikin foda da turmi na putty, da kuma manne da fenti na ruwa, ba tare da wata matsala ba.
3. Menene babban amfani da hydroxypropyl methylcellulose (HPMC)?
Amsa: Ana amfani da HPMC sosai a fannin kayan gini, fenti, resin roba, yumbu, magani, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa: matakin gini, matakin abinci da kuma matakin magunguna bisa ga amfani. A halin yanzu, yawancin kayayyakin gida suna da matakin gini. A fannin gini, ana amfani da foda putty sosai, kusan kashi 90% ana amfani da shi don foda putty, sauran kuma ana amfani da shi don turmi da manne na siminti.
4. Ta yaya za a tantance ingancin hydroxypropyl methylcellulose (HPMC) cikin sauƙi da fahimta?
Amsa: (1) Takamaiman nauyi: Girman nauyin da aka ƙayyade, mafi nauyi shine mafi kyau. Rabon yana da girma, gabaɗaya saboda
(2) Fari: Duk da cewa farin ba zai iya tantance ko HPMC yana da sauƙin amfani ba, kuma idan aka ƙara sinadaran yin fari yayin aikin samarwa, zai shafi ingancinsa. Duk da haka, yawancin samfuran masu kyau suna da kyakkyawan fari.
(3) Inganci: Ingancin HPMC gabaɗaya yana da raga 80 da raga 100, kuma raga 120 ƙasa da haka. Yawancin HPMC da ake samarwa a Hebei raga 80 ne. Ingancin ingancin, haka yake mafi kyau gabaɗaya.
(4) Watsa haske: saka hydroxypropyl methylcellulose (HPMC) a cikin ruwa don samar da colloid mai haske, sannan a duba watsa haske. Mafi girman watsa haske, mafi kyau, yana nuna cewa akwai ƙarancin narkewa a cikinsa. . Rarraba wutar lantarki ta tsaye gabaɗaya tana da kyau, kuma ta reactor ta kwance ta fi muni, amma ba yana nufin cewa ingancin reactor ta tsaye ya fi na reactor ta kwance kyau ba, kuma akwai dalilai da yawa don tantance ingancin samfurin. Abubuwan da ke cikin rukunin hydroxypropyl a cikinsa suna da yawa, kuma abubuwan da ke cikin rukunin hydroxypropyl suna da yawa, kuma riƙe ruwa ya fi kyau.
5. Menene manyan alamun fasaha na hydroxypropyl methylcellulose (HPMC)?
Amsa: Yawan sinadarin Hydroxypropyl da kuma danko, yawancin masu amfani suna damuwa da waɗannan alamomi guda biyu. Waɗanda ke da yawan sinadarin hydroxypropyl gabaɗaya suna da ingantaccen riƙe ruwa. Yawan danko, riƙe ruwa, in an kwatanta (maimakon
6. Menene dacewar danko na hydroxypropyl methylcellulose (HPMC)?
Amsa: Fulawar Putty gabaɗaya tana da yuan 100,000, kuma buƙatun turmi sun fi girma, kuma yana da sauƙin amfani da yuan 150,000. Bugu da ƙari, mafi mahimmancin aikin HPMC shine riƙe ruwa, sannan kauri ya biyo baya. A cikin foda putty, matuƙar riƙe ruwa yana da kyau kuma ɗanɗanon ya yi ƙasa (70,000-80,000), haka nan yana yiwuwa. Tabbas, mafi girman ɗanɗanon, mafi kyawun riƙe ruwa. Lokacin da ɗanɗanon ya wuce 100,000, ɗanɗanon zai shafi riƙe ruwa. Ba da yawa ba kuma. Tabbas) ya fi kyau, kuma ɗanɗanon ya fi girma, kuma ya fi kyau a yi amfani da shi a turmi na siminti.
7. Menene manyan kayan da ake amfani da su wajen samar da sinadarin hydroxypropyl methylcellulose (HPMC)?
Amsa: Babban kayan da ake amfani da su wajen samar da hydroxypropyl methylcellulose (HPMC): auduga mai tsafta, methyl chloride, propylene oxide, da sauran kayan da ake amfani da su wajen samar da caustic soda, acid, toluene, isopropanol, da sauransu.
8. Menene babban aikin amfani da HPMC a cikin foda na putty, kuma shin yana faruwa ne ta hanyar sinadarai?
Amsa: A cikin foda na putty, HPMC tana taka rawa guda uku na kauri, riƙe ruwa da ginawa. Kauri: Ana iya ƙara cellulose don dakatarwa da kuma kiyaye maganin iri ɗaya sama da ƙasa, da kuma tsayayya da lanƙwasawa. Riƙe ruwa: sa foda na putty ya bushe a hankali, kuma yana taimaka wa tokar calcium ta amsa ƙarƙashin aikin ruwa. Ginawa: Cellulose yana da tasirin shafawa, wanda zai iya sa foda na putty ya sami kyakkyawan tsari. HPMC ba ya shiga cikin duk wani halayen sinadarai, amma yana taka rawa kawai. Ƙara ruwa a cikin foda na putty da sanya shi a bango martanin sinadarai ne, saboda ana samar da sabbin abubuwa. Idan ka cire foda na putty a bango daga bango, ka niƙa shi zuwa foda, ka sake amfani da shi, ba zai yi aiki ba saboda an samar da sabbin abubuwa (calcium carbonate). Babban abubuwan da ke cikin foda na ash calcium sune: cakuda Ca(OH)2, CaO2 da ƙaramin adadin CaCO3, CaO+H2O=Ca(OH)2—Ca(OH)2+CO2=CaCO3↓+H2O Calcium na ash yana cikin ruwa da iska A ƙarƙashin aikin CO2, ana samar da calcium carbonate, yayin da HPMC ke riƙe ruwa kawai, yana taimakawa wajen inganta amsawar ash calcium, kuma baya shiga cikin kowane martani da kansa.
9. HPMC wani sinadari ne na cellulose wanda ba ionic ba, to menene ba ionic ba?
Amsa: A taƙaice, rashin ion abu ne da ba zai yi ion a cikin ruwa ba. ionization yana nufin tsarin da ake raba electrolyte zuwa ions masu caji waɗanda za su iya motsawa cikin 'yanci a cikin wani takamaiman sinadarin sinadarai (kamar ruwa, barasa). Misali, sodium chloride (NaCl), gishirin da muke ci kowace rana, yana narkewa a cikin ruwa kuma yana yin ionize don samar da ions masu motsi kyauta (Na+) waɗanda ke da caji mai kyau da ions masu chloride (Cl) waɗanda ke da caji mara kyau. Wato, lokacin da aka sanya HPMC a cikin ruwa, ba zai rabu zuwa ions masu caji ba, amma yana wanzuwa a cikin nau'in ƙwayoyin halitta.
10. Akwai wata alaƙa tsakanin digon foda na putty da HPMC?
Amsa: Rashin foda na foda yana da alaƙa da ingancin sinadarin ash, kuma ba shi da alaƙa da HPMC. Ƙarancin sinadarin alli na launin toka da kuma rashin daidaiton CaO da Ca(OH)2 a cikin sinadarin alli mai launin toka zai haifar da asarar foda. Idan yana da alaƙa da HPMC, to idan HPMC ba shi da isasshen riƙe ruwa, zai kuma haifar da asarar foda.
11. Menene alaƙar zafin gel na hydroxypropyl methylcellulose da shi?
Amsa: Zafin gel na HPMC yana da alaƙa da yawan methoxy ɗinsa, ƙarancin yawan methoxy↓, yawan zafin gel ɗin yana ƙaruwa.
12. Yadda ake zaɓar hydroxypropyl methylcellulose (HPMC) da ya dace don dalilai daban-daban?
Amsa: Aiwatar da foda na putty: buƙatun ba su da yawa, kuma ɗanɗanon ya isa 100,000, wanda hakan ya isa. Abu mafi mahimmanci shine a kiyaye ruwa da kyau. Aiwatar da turmi: buƙatun da suka fi girma, ɗanɗanon da ya fi girma, 150,000 ya fi kyau. Aiwatar da manne: ana buƙatar samfuran nan take masu ɗanɗanon da ya fi girma.
13. Menene bambanci tsakanin nau'in ruwan sanyi da kuma nau'in hydroxypropyl methylcellulose mai narkewa mai zafi a cikin tsarin samarwa?
Amsa: Ana yi wa nau'in ruwan sanyi na HPMC magani a saman da glyoxal, kuma yana warwatsewa da sauri a cikin ruwan sanyi, amma ba ya narkewa da gaske. Yana narkewa ne kawai lokacin da danko ya ƙaru. Ba a yi wa nau'in narke mai zafi magani da glyoxal ba. Idan adadin glyoxal ya yi yawa, watsawar zai yi sauri, amma danko zai ƙaru a hankali, kuma idan adadin ya ƙanƙanta, akasin haka zai kasance.
14. Menene ƙamshin hydroxypropyl methylcellulose (HPMC)?
Amsa: HPMC da aka samar ta hanyar narkewar abinci yana amfani da toluene da isopropanol a matsayin masu narkewa. Idan wankewar ba ta da kyau sosai, za a sami ɗan ƙamshi.
15. Menene wani suna da ake kira hydroxypropyl methylcellulose?
Amsa: Hydroxypropyl Methyl Cellulose, Turanci: Hydroxypropyl Methyl Cellulose Taƙaitaccen Bayani: HPMC ko MHPC Lakabi: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
16. Me ya kamata a kula da shi wajen aiwatar da alaƙar da ke tsakanin ɗanko da zafin jiki na HPMC?
Amsa: Danko na HPMC yana daidai da zafin jiki, wato, danko yana ƙaruwa yayin da zafin jiki ke raguwa. Danko na samfurin da muke yawan magana a kai yana nufin sakamakon gwajin maganin ruwansa na kashi 2% a zafin digiri 20 na Celsius.
A aikace-aikace na zahiri, ya kamata a lura cewa a yankunan da ke da babban bambancin zafin jiki tsakanin lokacin rani da hunturu, ana ba da shawarar a yi amfani da ƙarancin ɗanko a lokacin hunturu, wanda ya fi dacewa da gini. In ba haka ba, idan zafin ya yi ƙasa, ɗanko na cellulose zai ƙaru, kuma jin hannun zai yi nauyi lokacin gogewa. Danko matsakaici: 75000-100000 Ana amfani da shi galibi don putty. Dalili: riƙe ruwa mai kyau. Babban danko: 150000-200000 Ana amfani da shi galibi don rufin zafi na polystyrene foda manne na turmi da turmi mai hana zafi na microbead vitrified. Dalili: babban danko, turmi ba shi da sauƙin faɗuwa, ratayewa, da inganta gini.
17. Amfani da HPMC a cikin foda na putty, menene dalilin kumfa a cikin foda na putty?
Amsa: A cikin foda na putty, HPMC tana taka rawa guda uku na kauri, riƙe ruwa da ginawa. Kada ku shiga cikin duk wani martani. Dalilan kumfa: 1. Sanya ruwa da yawa. 2. Ƙasan Layer ɗin ba ya bushe, kawai kurkura wani Layer a saman, kuma yana da sauƙin kumfa.
Lokacin Saƙo: Janairu-13-2023