1.Ni ubuhe buryo bukoreshwa bwa hydroxypropyl methyl selulose?
HPMCikoreshwa cyane mubikoresho byubaka, gutwikira, ibisigazwa byubukorikori, ububumbyi, ubuvuzi, ibiryo, imyenda, ubuhinzi, kwisiga, itabi nizindi nganda. HPMC irashobora kugabanywa mubyiciro byinganda, ibyiciro byibiribwa nicyiciro cyubuvuzi ukurikije imikoreshereze.
2. Hydroxypropyl methyl selulose igabanijwemo ubwoko butandukanye, ni irihe tandukaniro riri hagati yabo?
HPMC irashobora kugabanywamo ako kanya (ikirango kiranga “S”) hamwe no gushonga gushushe, ibicuruzwa ako kanya, mumazi akonje bidatinze vuba, bikabura mumazi, muriki gihe amazi ntagira ububobere, kuko HPMC ikwirakwizwa mumazi gusa, nta gushonga nyabyo. Hafi yiminota 2, ubwiza bwamazi bugenda bwiyongera buhoro buhoro, bikora gel isobanutse kandi ifatanye. Shyushya ibicuruzwa biva mu mazi akonje, birashobora gukwirakwira vuba mumazi ashyushye, bikabura mumazi ashyushye, nkubushyuhe bugabanuka kubushyuhe runaka (ukurikije ubushyuhe bwa geli yibicuruzwa), ubukonje bugaragara buhoro buhoro, kugeza igihe habaye colloide ibonerana.
3. Nigute ushobora kumenya ubwiza bwa hydroxypropyl methyl selulose byoroshye kandi byihuse?
1) umweru, nubwo umweru udashobora kumenya niba HPMC ari nziza, kandi niba yongewemo mugikorwa cyo kubyara cyera, bizagira ingaruka kumiterere yayo, ariko, ibicuruzwa byiza ahanini byera nibyiza.
2) ubwiza: HPMC ubwiza muri rusange ni mesh 80 na mesh 100, intego 120 ntigabanuke, ibyiza nibyiza.
3) ihererekanyabubasha: HPMC mumazi, ikora colloid ibonerana, reba itumanaho ryayo ryoroheje, uko nini yinjira mu byiza, igasobanura ibidashobora gukemuka imbere imbere, ikariso ihagaze neza kuri dogere muri rusange ni byiza, ikohereza bimwe mubitereko bitambitse, ariko ntibishobora gusobanura ubwiza bwikariso ihagaze neza kuruta umusaruro wibicuruzwa, hari ibintu byinshi byerekana ubwiza bwibicuruzwa.
4) igipimo: uko igipimo kinini, kiremereye ni cyiza, kuruta icy'ingenzi, muri rusange kubera ibintu byinshi bya hydroxypropyl imbere, hydroxypropyl iri hejuru, gufata amazi ni byiza.
4. Ni ubuhe buryo bwo gusesa hydroxypropyl methyl selulose?
1) Moderi zose zirashobora kongerwaho ibikoresho muburyo bwo kuvanga byumye;
2) Ugomba kongerwaho muburyo butaziguye nubushyuhe bwamazi asanzwe, nibyiza gukoresha ikwirakwizwa ryamazi akonje, nyuma yo kongeramo muri rusange muminota 10-90 kugirango ubyibushye (stir stir stir)
3) Moderi isanzwe irashobora gushonga nyuma yo kuvanga no gukwirakwiza amazi ashyushye no kongeramo amazi akonje nyuma yo gukurura no gukonjesha;
4) Iyo ushonga, niba ibintu byo guhuriza hamwe bibaye, ni ukubera ko gukurura bidahagije cyangwa icyitegererezo gisanzwe cyongewe mumazi akonje. Muri iki gihe, bigomba gukangurwa vuba.
5) Niba ibibyimba bibaye mugihe cyo guseswa, birashobora gukurwaho uhagaze kumasaha 2-12 (igihe cyihariye giterwa no guhuza igisubizo) cyangwa mukuvunika no gukanda, cyangwa mukongeramo urugero rukwiye rwumuti.
5 hydroxypropyl methyl selulose mubunini bwa poro ya putty?
HPMC muburyo bukoreshwa bwamafaranga, ukurikije ikirere cyikirere, ubushyuhe, ubwiza bwa calcium yumutuku waho, ifu yifu yifu nibisabwa nabakiriya byubwoko butandukanye, kandi hariho itandukaniro hirya no hino, muri rusange hagati yibiro 4-5.
6. Ni ubuhe buryo bukwiye bwa hydroxypropyl methyl selulose?
Ifu yuzuye ni 100000 irashobora, ibisabwa bya minisiteri birarenze, kugeza 150000 nibyiza gusa, kandi HPMC uruhare runini ni ukubika amazi, hagakurikiraho kubyimba. Mu ifu ya putty, mugihe cyose gufata amazi ari byiza, viscosity iba mike (7-8), birashoboka kandi, byanze bikunze, viscosity nini, gufata amazi ugereranije nibyiza, mugihe ububobere burenga 100.000, ubwiza bwo gufata amazi ntabwo ari bwinshi.
7. Nibihe bikoresho nyamukuru bya hydroxypropyl methyl selulose?
HPMCibikoresho fatizo byingenzi: ipamba itunganijwe, chloromethane, okiside ya propylene, ibindi bikoresho fatizo, tablet alkali, aside toluene.
8. Hydroxypropyl methyl selulose mugukoresha ifu ya putty, uruhare runini, yaba imiti?
Ifu yuzuye, kubyimba, kubika amazi no kubaka imirimo itatu. Kubyimba, selile irashobora kwiyongera kugirango ihagarike, kugirango igisubizo gikomeze kuba kimwe hejuru no munsi yuruhare rwo kurwanya kumanika. Kubika amazi: kora ifu ya putty yumye buhoro, calcium yingirakamaro ya calcium mugikorwa cyamazi. Ubwubatsi: amavuta ya selile, arashobora gukora ifu ya putty ifite ubwubatsi bwiza. HPMC ntabwo yitabira imiti iyo ari yo yose, ariko igira uruhare runini.
9 .hydroxypropyl methyl selulose ntabwo ari ionic selulose ether, nonese non-ionic niki?
Mu magambo y’abalayiki, ibintu bya inert ntabwo bigira uruhare mu myitwarire y’imiti.
CMC (carboxymethyl selulose) ni selile ya cationic, bityo guhura na calcium yumukara bizahinduka ibisigazwa byibishyimbo.
10. Ni ibihe bimenyetso nyamukuru bya tekinike ya hydroxypropyl methyl selulose?
Hydroxypropyl ibirimo
Ibirimo Methyl
ububobere
ivu
Kugabanya ibiro byumye
11. Ni ubuhe butumwa bujyanye n'ubushyuhe bwa gel ya hydroxypropyl methyl selulose?
Ubushyuhe bwa gel bwa HPMC bufitanye isano na metoxyl, munsi ya methoxyl, nubushyuhe bwa gel.
Ifu ya putty yamashanyarazi nifu ya hydroxypropyl methyl selulose?
Niba HPMC idafite amazi meza, bizatera ifu.
13 hydroxypropyl methyl selulose mugukoresha ifu ya putty, ifu ya putty bubble niyihe mpamvu?
HPMC mu ifu yuzuye, kubyimba, gufata amazi no kubaka inshingano eshatu, igitera igituba:
1.) Hiyongereyeho amazi menshi.
2.) Igice cyo hasi ntabwo cyumye, hanyuma ukureho igipande kuri cyo, nacyo cyoroshye kubyimba.
14. Ni irihe tandukaniro riri hagati y'amazi akonje-vuba-vuba-hydroxypropyl methyl selulose mu gihe cyo kubyara?
HPMC amazi akonje muburyo bwumuti ni nyuma yo kuvura hejuru ya glyoxal, ushyizwe mumazi akonje ukwirakwira vuba, ariko ntabwo ushonga rwose, ibishishwa hejuru, birashonga. Ubwoko bwa thermosoluble ntabwo bwakorewe hejuru ya glyoxal. Umubare wa glyoxal ni munini, gutatanya birihuta, ariko ibishishwa biratinda, umubare ni muto, kurundi ruhande.
15. Bivuga iki kuri hydroxypropyl methyl selulose impumuro nziza?
HPMC yakozwe nuburyo bwa solvent ikozwe muri toluene na alcool ya isopropyl. Niba gukaraba atari byiza cyane, hazabaho uburyohe busigaye. (Kubogama kutabogamye ninzira yingenzi yo kunuka)
16. Nigute ushobora guhitamo hydroxypropyl methyl selulose ikoreshwa muburyo butandukanye?
Ifu yuzuye: ibisabwa byo gufata amazi menshi, guhuza neza kubaka (icyiciro gisabwa: 75AX100000)
Isima isanzwe ishingiye kuri sima: kugumana amazi menshi, kurwanya ubushyuhe bwinshi, ubukonje bwihuse (icyiciro gisabwa: 75AX150000)
Gukoresha kole yubaka: ibicuruzwa ako kanya, ubwiza bwinshi. (Ikirango cyasabwe Numero: 75AX200000S)
Gypsum mortar: kubika amazi menshi, ubukonje buringaniye kandi buke, ubwiza bwihuse (icyiciro gisabwa: 75AX75000)
17. Ni irihe zina rya hydroxypropyl methyl selulose?
HPMC cyangwa MHPC alias hydroxypropyl methyl selulose, selile hydroxypropyl methyl ether.
18. Ni irihe tandukaniro riri hagati ya hydroxypropyl methyl selulose naMC?
MC ni methyl selulose, itunganijwe neza nyuma yo kuvura alkali, methane chloride nka mitiweri ya etherifying, binyuze murukurikirane rwibisubizo kandi bikozwe muri ether ya selile, urwego rusange rusimburwa ni 1.6-2.0, urwego rutandukanye rwo gusimburana narwo ruratandukanye, ni urwa ether ionic selile.
. Mubisanzwe, umubare wiyongereye ni munini, ubwiza ni buto, ubwiza ni bunini, igipimo cyo gufata amazi ni kinini, umubare wongeyeho ugira uruhare runini ku kigero cyo gufata amazi, igipimo cy’imitsi n’amazi ntikiri munsi y’umubano, igipimo cy’iseswa ahanini giterwa n’urwego rwo guhindura ubuso n’uburinganire bwa selile. Methyl selulose na hydroxypropyl methyl selulose muri ethers nyinshi za selile nyinshi zifite umuvuduko mwinshi wo gufata amazi.
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. Niba ubushyuhe bwa minisiteri burenze dogere 40, kugumana amazi ya methyl selulose bizaba bibi cyane, bigira ingaruka zikomeye kumyubakire ya minisiteri.
(4)Methyl selileifite ingaruka zigaragara kubwubaka no gufatira minisiteri. Gufatanya hano bivuga imbaraga zifatika zunvikana hagati yigikoresho nu rukuta rwubatswe numukozi, ni ukuvuga kurwanya inkweto za minisiteri. Adhesion nini, kurwanya shear ya minisiteri nini, imbaraga zisabwa nabakozi mugikorwa cyo gukoresha nazo nini, kandi kubaka minisiteri ni bibi.
Igihe cyo kohereza: Apr-25-2024