1. Menene babban amfani da cellulose?
HPMC anyi amfani dashi sosai a cikin kayan gini, suttura, resins, coser, kayan abinci, kayan abinci, kayan abinci, kayan gona, kayan ado, taba, taba, taba, taba, taba, taba. Za'a iya raba HPMC zuwa matakin masana'antu, sa na abinci da kuma magungunan ƙasa bisa ga aikace-aikacen.
2. Akwai nau'ikan selulose da yawa, kuma menene bambance-bambance a cikin amfani?
HPMC za a iya raba ta nau'in nau'in nau'in (sunan alama sunan "s") da nau'in narke mai zafi. Kayan nau'ikan nau'ikan samfuran da aka tarwatsa cikin sauri a cikin ruwan sanyi kuma sun shuɗe cikin ruwa. A wannan lokacin, ruwa bashi da danko saboda ana tarwatsa HPMC kawai ba tare da rushewar gaske ba. Game da (motsawa) na mintina 2, danko na ruwa a hankali yana ƙaruwa, samar da farin mai cike da farin Colloid mai ban sha'awa. Kayan zafi na narke, lokacin saduwa da ruwan sanyi, iya watsar da sauri a cikin ruwan zafi kuma sun shuɗe cikin ruwan zafi. Lokacin da yawan zafin jiki ya sauka zuwa wani zazzabi (bisa ga zafin jiki na gel na samfurin), danko zai bayyana a hankali har sai ta samar da Colloid mai gamsarwa.
3. Menene hanyoyin narkar da cellulose?
1). Ana iya ƙara dukkan samfuran zuwa kayan ta hanyar hadawa na bushe;
2). Lokacin da ya buƙaci a ƙara kai tsaye zuwa yanayin zafin jiki na yau da kullun, yana da kyau a yi amfani da nau'in watsawa na ruwa. Yawancin lokaci yana ɗaukar mintuna 1-30 don tsawa bayan ƙara (saro da saro)
3). Talakawa samfuran da aka fara zuga kuma suna tarawa da ruwan zafi, sannan narkar da cikin ruwan sanyi bayan motsawa da sanyaya;
4). Idan agglomeration ya faru yayin rushewa, saboda haka ne saboda motsawar ba ta wadatar ba ko tsarin talakawa zuwa ruwan sanyi. A wannan lokacin, yakamata a sauko da shi da sauri. da
5). Idan an samar da kumfa yayin rushewar, ana iya barin su don tsayawa na tsawon awanni 2-12 (takamaiman lokacin an ƙaddara shi da daidaito, latsa, da sauransu na lalata wakili. da
4. Ta yaya za a yi hukunci da ingancin sel kawai kuma yana faruwa?
1) fararen 1, ko da yake fararen fata ba zai iya sanin ko HPMC yana da sauƙin amfani ba, kuma idan an ƙara wakilan da aka aiwatar, amma yawancin samfuran kyawawan kayayyaki suna da farin fari.
2) Tsari: fa'idar HPMC gabaɗaya tana da raga 80 da raga guda 100, raga 120 ƙasa da mafi kyau mafi kyau.
3) Hasken haske: Bayan an sanya HPMC cikin ruwa don samar da alamar fili a fili, duba hasken sa hasken sa. Mafi girman hasken transmitance, mafi kyau, wanda ke nuna cewa akwai kasala a ciki, da kuma fassarar masu gyara a tsaye gaba daya ne. , The kwance reactor ya fi muni, amma ba ya nufin cewa ingancin sakon da ke tsaye ya fi na aski na a kwance, kuma akwai dalilai da yawa don tantance ingancin samfurin.
4) takamaiman nauyi: mafi girma takamaiman nauyi, mafi kyau sosai. A mafi girman takamaiman nauyi, mafi girma hydroxypoyl abun ciki a cikin samfurin. Mafi girman abun ciki na hydroxypyl, mafi kyawun riƙe ruwa.
5. Menene adadin sel a cikin foda na putty?
Yawan HPMC da aka yi amfani da su a aikace-aikacen aikace-aikace sun shafi yanayin yanayi, zazzabi, ingancin Perty foda da ingancin da abokan ciniki da abokan ciniki suke buƙata. Akwai bambance-bambance a wurare daban-daban, magana gaba ɗaya magana, yana tsakanin 4-5 kg.
6. Menene halayen da suka dace da selulose?
Gabaɗaya, 100,000 playty foda ya isa, kuma buƙatun a turmi ya fi girma, kuma yana buƙatar 150,000 su kasance da sauƙin amfani. Haka kuma, mafi mahimmancin aikin hpmc shine riƙe ruwa, da lokacin farin ciki. A cikin foda, muddin riƙewar ruwa yana da kyau kuma danko ya ragu (7-8), har ma yana yiwuwa. Tabbas, mafi girman danko, mafi kyawun ƙwararrun iyayen ruwa. Lokacin da danko ya wuce 100,000, danko bashi da tasiri kan riƙewa ruwa. babba.
7. Menene mahalli na fasaha na selulose?
Abun Hydroxypyl
Abun ciki na methyl
danko
Toka
Asara akan bushewa
8. Mecece manyan kayan abinci na sel?
Babban kayan masarufi na HPMC: Methyl chloride, propylelene opide, ruwa caftic soda, da sauransu.
9. Mecece babbar aikin aikace-aikacen sel a Petty foda? Shin akwai wani sinadarai na sunadarai?
Daga cikin Putty foda, yana buga matsayin uku na thickening, riƙewar ruwa da gini. Thickening, Cellose na iya tsayawa don dakatarwa, kiyaye rigar mafita sama da ƙasa, kuma tsayayya da sahunging. Rikewar ruwa: yin petty foda bushe sannu a hankali, kuma taimaka wa Ash alli a cikin aikin ruwa. Gina: Cellulose yana da tasirin lubricating, wanda zai iya yin perty foda yana da kyakkyawan gini. HPMC ba ta shiga cikin kowane halayen sunadarai ba, amma kawai suna wasa da rawar taimako.
10. PRELUke ne pellulose ether ether, don haka menene ba ionic?
A cikin sharuddan Layman, INETT abubuwa ba sa shiga cikin halayen sunadarai.
CMC (Carboxymose na Carboxymeththyl) shine chursilose na Cinic, don haka zai juya zuwa cikin wake curd lokacin da ya ci karo da alli a lokacin da ya ci karo da alli.
11 Menene zazzabi gel na selulose ya danganta da?
Gell na zazzabi na HPMC yana da alaƙa da abun ciki na metoxy, ƙananan abun ciki na metoxy, mafi girma gel zazzabi.
12. Shin akwai wata dangantaka tsakanin asarar foda na putty foda da kuma selulose?
Akwai dangantaka! ! ! Wato, ƙarancin rpMC na riƙe HPMC zai haifar da asarar foda mai nauyi (abubuwan da ke cikin kayan da kamar ash, aikin gona, da kuma ciminti, zazzabi, da matsayin bango, da kuma yanayin bango, da kuma yanayin bango, da kuma yanayin bango, da kuma yanayin bango, da kuma yanayin bango, da kuma yanayin bango, dole ne duk abin ya shafa).
13. Menene banbanci tsakanin ruwan sanyi da zafi mai narkewa a cikin tsarin samarwa?
Auguwar ruwan sanyi mai sanyi na HPMC shine a kula da Glyoxal, kuma yana watsar da sauri a cikin ruwan sanyi, amma ba ya narke. Yana narkewa ne kawai lokacin da veccelonity ya ƙara ƙaruwa. Titet na narke mai zafi ba su da glyoxal tare da glyoxal. Idan adadin Glyoxal girma ne, watsawa zai zama da sauri, amma danko zai karu a hankali, kuma idan adadin ƙarami ne, kishiyar zata kasance gaskiya ce.
14. Me ya sa Cellulose yake da wari?
HPMC ta samar da hanyar da za a samar da ita ta hanyar amfani da Toluene da ISOPpANOL kamar yadda sauran ƙarfi. Idan wanka bashi da kyau sosai, za a sami wasu wari mai ƙanshi. (Matsakaitar neutralization shine mahimmin aikin wari)
15. Yadda za a zabi Cellulose da ya dace shine na dalilai daban-daban?
Perty Foda: Yana buƙatar babban Ruwa na ruwa, kyakkyawar shiri
Talakawa ATSMET-Bishara-da ke da tushe: Yana buƙatar mai riƙe da ruwa mai ƙarfi, juriya zazzabi mai zafi, da danko mai kai tsaye
Aikace-aikacen garwa: kayan aiki da nan take tare da babban danko. (shawarar da aka ba da shawarar
Turps na gypse: high na riƙe ruwa, matsakaiciya da ƙarancin danko, ƙara kai tsaye
16. Wane wani suna ne ga Celulake?
Ake magana a kai a matsayin HPMC ko MHPC Alias Hyprommose, Celulose Hydroxypropyl methyl Eurth.
17. Aikace-aikacen sel a Perty foda, menene dalilin kumfa a cikin foda na putty?
A cikin Putty foda, HPMC yana wasa da matsayi uku na thickening, riƙewar ruwa da gini. Dalilin kumfa sune:
1. An kara ruwa mai yawa.
2. Layer ƙasa ba ta bushe, kawai scrape wani Layer a saman, kuma yana da sauƙi a kumfa.
18. Menene banbanci tsakanin sel da MC:
MC shi ne metyl plelulose, wanda aka yi shi ne da ethulose eth eth eth ether tare da alkali, ta amfani da methane chloride chloride, kuma yana fuskantar jerin halayen etrimation, kuma yana fuskantar jerin halayen ethoration, kuma yana yin jerin abubuwan da ke faruwa. Gabaɗaya, matsayin canji shine 1.6-2,.0, kuma soya ta bambanta da daban-daban digiri daban-daban. Daban, shi ne na ethulase ether ether.
(1) Rufewar ruwa na Ruwa na Metyllulose ya dogara da ƙimar ƙimarsa, danko, ƙarancin barbashi da rushewa. Gabaɗaya, idan adadin ƙari ne babba, ƙimar ƙarami ne, kuma ƙwararrun yana da yawa, ragin riƙe ruwa mai girma. Daga gare su, adadin da adadin yana da babban tasiri akan ƙimar riƙe na ɗan adam. Daidaitawa ba daidai bane ga kudin riƙe na ruwa. Rashin katsewa ya zama yafi dogara da fuskar kayan sel. Digiri na gyara da kuma karancin barbashi. Daga cikin da yawa pelulas da yawa pelullos Ehers, Ruwan riƙewa na ƙwararren sel methyl da Jinshuioo ya fi girma.
(2) Methyllulose yana narkewa a cikin ruwan sanyi, kuma zai zama da wahala a narke cikin ruwan zafi. Maganin ta ruwa mai ruwa yana da kwanciyar hankali a cikin kewayon PH = 3-12. Yana da kyakkyawar jituwa tare da sitaci, da sauransu da kuma nutsuwa da yawa. Lokacin da zazzabi lokacin da aka kai zazzabi da zazzabi, gelation zai faru.
(3) canje-canje a cikin zafin jiki zai shafi yawan riƙe riƙewar riƙewar ƙwayar ƙwayar ƙwayar methyl. Gabaɗaya, mafi girman zafin jiki, mafi muni yawan riƙe ruwa. Idan turanci zazzabi ya wuce digiri 40, ruwan rizewar sel metyl za a rage shi sosai, wanda zai iya shafar gina turmin.
(4) Methyl Slellulose yana da tasiri mai mahimmanci akan ginin da kuma matsar da turmi na turmi. Adshon yana nufin karfin karfi da aka ji tsakanin kayan aiki na ma'aikaci da bango, substrate, wannan shine, karfi juriya na turmi. A adonani yana da girma, garkuwar garkuwar turmi yana da girma, kuma ƙarfin da ake buƙata da ma'aikatan da ake buƙata suna da girma, kuma aikin ginin ya yi kyau, kuma aikin ginin na turmi ba matalauta.
Lokacin Post: Nuwamba-22-2022