Tiantai Cellulose Co., Ltd ne Hydroxypropyl methyl cellulose HPMC manufacturer maroki factory m kasar Sin, tare da high quality iri sunan QualiCell® Cellulose ethers.
Saurin kallon hydroxypropyl methylcellulose HPMC
Na daya, menene babban amfani da hydroxypropyl methyl cellulose?
ANA AMFANI DA HPMC YAWAN NAN A KAYAN GINA, sutura, resins na roba, yumbu, magunguna, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu.Ana iya raba HPMC zuwa matakin masana'antu, darajar abinci da kuma darajar magunguna bisa ga amfanin sa.
Na biyu, hydroxypropyl methyl cellulose ya kasu kashi kadan, daga cikinsu menene bambanci?
Ana iya raba HPMC zuwa nau'in nan take (grade suffix "S") da nau'in zafi mai narkewa, samfuran nan take, a cikin ruwan sanyi da sauri su watse, su bace a cikin ruwa, a wannan lokacin ruwan ba shi da ɗanko, saboda HPMC kawai ya tarwatse a cikin ruwa. , babu ainihin rushewa.Kusan (harba) na tsawon mintuna 2, dankon ruwan a hankali yana ƙaruwa, yana samar da colloid bayyananne.Abubuwan da za a iya soluble masu zafi, a cikin ruwan sanyi, ana iya tarwatsa su da sauri a cikin ruwan zafi, bace a cikin ruwan zafi, kamar zazzabi har zuwa wani zazzabi (bisa ga zazzabi na gel na samfurin), danko sannu a hankali ya bayyana, har sai samuwar m danko. colloid.
Na uku, hanyar maganin hydroxypropyl methyl cellulose yana da menene?
1. Duk samfuran za a iya ƙarawa zuwa kayan ta hanyar busassun hadawa;
2, ana buƙatar ƙara kai tsaye zuwa maganin ruwa na al'ada na al'ada, yana da kyau a yi amfani da nau'in watsawar ruwan sanyi, bayan ƙara gabaɗaya a cikin mintuna 10-90 don yin kauri (mai motsawa, motsawa, motsawa)
3. An fara tarwatsa samfurin gama gari ta hanyar motsawa da ruwan zafi, sannan a narkar da shi ta hanyar ƙara ruwan sanyi bayan motsawa da sanyaya.
4. Idan caking da wrapping sabon abu ya faru a lokacin da narkewa, shi ne saboda hadawa bai isa ba ko da talakawa model an saka kai tsaye a cikin ruwan sanyi.A wannan lokacin, ya kamata a motsa shi da sauri.
5. Idan an samar da kumfa lokacin da aka narkar da su, za'a iya barin su tsawon sa'o'i 2-12 (ƙayyadaddun lokacin da aka ƙayyade ta daidaitattun maganin) ko cirewa ta hanyar cirewa-cikewa, matsa lamba da sauran hanyoyin, da kuma adadin da ya dace na wakili na antifoaming. kuma za a iya karawa.
Hudu, yaya mai sauƙi da fahimta don sanin tsayawa ko faɗuwar hydroxypropyl methyl cellulose?
1, fari, fari ko da yake ba zai iya tantance ko HPMC yana da kyau ba, kuma idan an ƙara shi a cikin tsarin samar da fata, zai shafi ingancinsa, amma, samfurori masu kyau galibi fari suna da kyau.
2, fineness: Mafi kyawun HPMC gabaɗaya raga 80 da raga 100, ƙasa da 120, mafi kyawun mafi kyawun mafi kyau.
3, haske watsawa: HPMC a cikin ruwa, forming wani m colloid, ga ta haske transmittance, da ya fi girma da penetrability na mai kyau, bayyana insoluble kasa ciki, a tsaye dauki tukunyar jirgi da digiri gabaɗaya mai kyau, zai aika da wasu daga kwance dauki tukunyar jirgi, amma ba zai iya bayyana ingancin samar da kettle a tsaye ya fi samar da kettle ɗin ƙarya ba, akwai abubuwa da yawa waɗanda ke ƙayyade ingancin samfur.
4, da rabo: mafi girma rabo, mafi nauyi mafi kyau, fiye da manyan, gabaɗaya saboda abun ciki na hydroxypropyl yana da girma, abun ciki na hydroxypropyl yana da girma, to, riƙewar ruwa ya fi kyau.
Biyar, hydroxypropyl methyl cellulose a cikin adadin putty foda?
HPMC a cikin ainihin aikace-aikacen sashi, ta yanayin yanayi, zafin jiki, ingancin ash na gida, ƙirar foda da kuma buƙatun abokin ciniki na ingancin daban-daban, kuma akwai bambance-bambance a kusa, gabaɗaya magana, tsakanin 4-5 kg.
Shida, hydroxypropyl methyl cellulose danko ya fi kyau?
A gundura da yaro foda ne JANAR 100 DUBU OK, BUKATAR IN mortar ya fi tsayi, so 150 dubu 150 don kawai zama mai kyau a yi amfani da, kuma, HPMC mafi muhimmanci rawa ne ruwa riƙe, na gaba ne thickening.A cikin foda na putty, idan dai ruwa yana da kyau, danko yana da ƙasa (7-8), kuma yana yiwuwa, ba shakka, danko ya fi girma, ƙwaƙwalwar dangi ya fi kyau, lokacin da danko ya fi 100,000. , danko yana da ɗan tasiri akan riƙewar ruwa.
Bakwai, menene manyan alamun fasaha na hydroxypropyl methyl cellulose?
Hydroxypropyl abun ciki
Methyl abun ciki
danko
toka
Bushewar nauyi
Takwas, menene babban kayan albarkatun hydroxypropyl methyl cellulose?
Babban kayan albarkatun HPMC: auduga mai ladabi, chloromethane, propylene oxide, sauran kayan albarkatun kasa, allunan alkali, acid toluene.
Tara, hydroxypropyl methyl cellulose a cikin aikace-aikace na putty foda, babban rawa, ko sinadaran?
A cikin putty foda, yana taka rawar uku: thickening, riƙe ruwa da ginawa.Thickening, cellulose za a iya thickened yi wasa da dakatar, sabõda haka, da mafita don kula uniform sama da ƙasa guda rawa, anti kwarara rataye.Riƙewar ruwa: sanya foda ta bushe a hankali, ƙarar ash calcium dauki a ƙarƙashin aikin ruwa.Gina: Cellulose yana da sakamako mai lubricating, zai iya sa putty foda yana da kyakkyawan gini.HPMC baya shiga cikin kowane halayen sinadarai, kawai yana taka rawar taimako.
Hydroxypropyl methyl cellulose shi ne wadanda ba ionic cellulose ether, to, abin da ba ionic?
Gabaɗaya magana, inert abubuwa ba sa shiga cikin halayen sinadarai.
CMC (carboxymethyl cellulose) na cikin cationic cellulose ne, don haka haduwa da calcium mai launin toka zai zama slag na wake.
11. Menene zazzabi na gel na hydroxypropyl methylcellulose da ke da alaƙa?
Zazzaɓin gel na HPMC yana da alaƙa da abun ciki na methoxy.Ƙananan abun ciki na methoxy, mafi girman yawan zafin jiki na gel.
Sha biyu, putty foda foda da hydroxypropyl methyl cellulose ba su da dangantaka?
Yana da mahimmanci!!HPMC ba shi da ƙarancin riƙe ruwa, zai haifar da foda.
13. Menene bambanci tsakanin ruwan sanyi nan take bayani da zafi bayani na hydroxypropyl methyl cellulose a cikin samar da tsari?
HPMC ruwan sanyi mai narkewa irin ne bayan glioxal surface jiyya, a cikin ruwan sanyi da sauri tarwatsa, amma ba da gaske narkar da, danko sama, an narkar da.Nau'in mai narkewa mai zafi ba a yi masa magani da glioxal ba.Girman glioxal yana da girma, watsawa yana da sauri, amma danko yana jinkirin, ƙarar ƙarami ne, akasin haka.
14, hydroxypropyl methyl cellulose wari ne yadda za a mayar da alhakin?
HPMC da aka samar ta hanyar ƙarfi an yi shi da toluene da barasa isopropyl azaman sauran ƙarfi.Idan wankewar ba ta da kyau sosai, za a sami ɗanɗano kaɗan.(Sake dawowa shine maɓalli na tsari na wari)
15, daban-daban amfani, yadda za a zabi daidai hydroxypropyl methyl cellulose?
Putty foda: babban buƙatun riƙe ruwa, sauƙin gini mai kyau (jin da aka ba da shawarar: 7010N)
Tumi tushen siminti na yau da kullun: riƙewar ruwa mai tsayi, juriya mai girma, ɗanɗanowar ɗanɗano nan take (jin da aka ba da shawarar: HPK100M)
Aikace-aikacen manne gini: samfuran nan take, babban danko.(Tambarin da aka ba da shawarar: HPK200MS)
Turmi Gypsum: babban riƙon ruwa, matsakaici da ƙananan danko, danko nan take (jin da aka ba da shawarar: HPK600M)
16, hydroxypropyl methyl cellulose menene laƙabin?
HPMC ko MHPC wanda aka fi sani da hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
Sha bakwai, hydroxypropyl methyl cellulose a aikace-aikace na putty foda, putty foda kumfa menene dalili?
HPMC a cikin putty foda, taka rawar uku na kauri, riƙe ruwa da gini, dalilin kumfa:
1. Ana kara ruwa da yawa.
2. Kasa ba bushe, a saman wani Layer na scraping, kuma sauki kumfa.
Goma sha takwas, hydroxypropyl methyl cellulose da MC menene bambanci:
MC shine methylcellulose, wanda aka yi da auduga mai ladabi bayan maganin alkali da methane chloride a matsayin wakili na etherification ta hanyar jerin halayen don yin ether cellulose.Gabaɗaya, matakin maye gurbin shine 1.6-2.0, kuma solubility na digiri daban-daban na maye gurbin shima ya bambanta, wanda ke cikin ether maras ionic cellulose.
(1) Riƙewar ruwa na methyl cellulose ya dogara da adadin ƙari, danko, fineness barbashi da saurin rushewa.Gabaɗaya, idan adadin ƙara yana da girma, ƙarancin ƙarancin ƙarami ne kuma danko yana da girma, yawan riƙe ruwa yana da girma.Adadin ƙarawa yana da tasiri mai girma akan yawan ajiyar ruwa, kuma danko ba shi da alaka da yawan ajiyar ruwa.A rushe gudun yafi dogara a kan surface gyara mataki na cellulose barbashi da barbashi fineness.A cikin cellulose na sama ether methyl cellulose da hydroxypropyl methyl cellulose yawan riƙe ruwa ya fi girma.
(2) Methyl cellulose za a iya narkar da a cikin ruwan sanyi, ruwan zafi narke zai fuskanci matsaloli, da ruwa bayani a cikin kewayon pH = 3-12 ne sosai barga, da kuma sitaci, da yawa surfactant karfinsu ne mai kyau, a lõkacin da yawan zafin jiki ya kai ga Gelation zafin jiki, gelation sabon abu zai faru.
(3) Canjin zafin jiki zai yi tasiri sosai akan yawan riƙe ruwa na methyl cellulose, gabaɗaya mafi girman zafin jiki, mafi munin riƙewar ruwa.Idan yawan zafin jiki na turmi ya wuce digiri 40, riƙewar ruwa na methyl cellulose zai yi muni sosai, yana da matukar tasiri ga ginin turmi.
(4) Methyl cellulose yana da tasirin gaske akan ginin da mannewa da turmi.Anan, mannewa yana nufin ƙarfin mannewa da ake ji tsakanin kayan aikin daub na ma'aikata da katangar bango, wato, juriyar juriyar turmi.Dukiyar mannewa tana da girma, juriyar juriyar turmi tana da girma, kuma ƙarfin da ma'aikata ke buƙata wajen yin amfani da shi ma yana da girma, don haka kayan gini na turmi ba su da kyau.
Lokacin aikawa: Satumba-07-2022