1. Ni iyihe mikoreshereze nyamukuru ya hydroxypropyl methylcellulose (HPMC)?
Igisubizo: HPMC ikoreshwa cyane mu bikoresho by'ubwubatsi, irangi, resins zikoze mu nganda, ibumba, ubuvuzi, ibiribwa, imyenda, ubuhinzi, amavuta yo kwisiga, itabi n'izindi nganda. HPMC ishobora kugabanywamo urwego rw'ubwubatsi, urwego rw'ibiribwa n'urwego rw'imiti hakurikijwe icyo igamije. Kuri ubu, ibicuruzwa byinshi byo mu rugo ni urwego rw'ubwubatsi. Mu rwego rw'ubwubatsi, ifu ya putty ikoreshwa cyane, hafi 90% ikoreshwa mu ifu ya putty, naho ibisigaye bigakoreshwa mu gukora sima na kole.
2. Hari ubwoko butandukanye bwa hydroxypropyl methylcellulose (HPMC), kandi ni irihe tandukaniro riri hagati y’ikoreshwa ryabyo?
Igisubizo: HPMC ishobora kugabanywamo ubwoko bw'ingufu zihita n'ubwoko bw'ingufu zihita zishonga. Ibikoresho by'ingufu zihita zishonga vuba mu mazi akonje hanyuma zikabura mu mazi. Muri iki gihe, amazi nta mvubura aba afite kuko HPMC ikwirakwira gusa mu mazi nta gushonga nyako. Mu minota 2, mvubura y'amazi yiyongera buhoro buhoro, igakora colloid ibonerana. Ibikoresho bishyushye, iyo bihuye n'amazi akonje, bishobora gukwirakwira vuba mu mazi ashyushye bikabura mu mazi ashyushye. Iyo ubushyuhe bugabanutse bukagera ku bushyuhe runaka (ibicuruzwa by'ikigo cyacu ni dogere selisiyusi 65), mvubura igaragara buhoro buhoro kugeza ubwo ikoze colloid ibonerana. Ubwoko bw'ingufu zishyushye bushobora gukoreshwa gusa mu ifu ya putty na mortar. Muri kole y'amazi n'irangi, hazabaho ibintu byo gushyira hamwe kandi ntibishobora gukoreshwa. Ubwoko bw'ingufu zihita bukoresha uburyo bwinshi. Bushobora gukoreshwa mu ifu ya putty na mortar, ndetse na kole y'amazi n'irangi, nta binyuranyo na kimwe.
3. Ni ubuhe buryo bwo gushonga bwa hydroxypropyl methylcellulose (HPMC)?
Igisubizo: Uburyo bwo gushonga mu mazi ashyushye: Kubera ko HPMC idashonga mu mazi ashyushye, HPMC ishobora gushonga neza mu mazi ashyushye mu ntangiriro, hanyuma igashonga vuba iyo ikonje. Uburyo bubiri busanzwe busobanurwa butya:
1) Shyira amazi ashyushye akenewe mu gikoresho hanyuma uyashyushye kugeza kuri dogere selisiyusi 70. Hydroxypropyl methylcellulose yongewemo buhoro buhoro mu kuvanga buhoro buhoro, mu ntangiriro HPMC yarerembaga hejuru y'amazi, hanyuma buhoro buhoro ikora ururenda, rukonjeshwa mu kuvanga.
2), ongeramo 1/3 cyangwa 2/3 by'amazi akenewe mu gikoresho, hanyuma ushyushye kugeza kuri 70°C, unyanyagize HPMC ukurikije uburyo bwa 1), hanyuma utegure amazi ashyushye; hanyuma ongeramo andi mazi akonje ku mazi ashyushye, uruvange rugakonjeshwa nyuma yo kuvanga.
Uburyo bwo kuvanga ifu: Vanga ifu ya HPMC n'ibindi bintu byinshi birimo ifu, uvange neza ukoresheje icyuma gishongesha, hanyuma wongeremo amazi kugira ngo ishonge, hanyuma HPMC ishobora gushonga muri iki gihe nta guhurirana, kuko hari HPMC nkeya muri buri mfuruka ntoya Ifu izashonga ako kanya iyo ihuye n'amazi. ——Abakora ifu ya putty na mortar bakoresha ubu buryo. [Hydroxypropyl methylcellulose (HPMC) ikoreshwa nk'ikintu gikomeza ubukonje no kubika amazi muri mortar ya putty.]
4. Ni gute wasuzuma ubwiza bwa hydroxypropyl methylcellulose (HPMC) mu buryo bworoshye kandi bwumvikana?
Igisubizo: (1) Ubweru: Nubwo umweru udashobora kumenya niba HPMC yoroshye gukoresha, kandi niba hongewemo ibikoresho byo kuyungurura mu gihe cyo kuyikora, bizagira ingaruka ku bwiza bwayo. Ariko, ibicuruzwa byinshi byiza bifite umweru mwiza. (2) Ubwiza: Ubwiza bwa HPMC muri rusange bufite mesh 80 na mesh 100, naho mesh 120 ni nkeya. HPMC nyinshi zikorerwa muri Hebei ni mesh 80. Uko ubube bwiza, muri rusange, ni ko biba byiza. (3) Kohereza urumuri: shyira hydroxypropyl methylcellulose (HPMC) mu mazi kugira ngo ukore colloid ibonerana, hanyuma urebe uko urumuri ruyitwara. Uko urumuri ruyitwara ni ko rurushaho kuba rwiza, bigaragaza ko hari ibintu bike bidashonga muri yo. . Ubwiza bw'ibikoresho bihagaze muri rusange ni bwiza, naho ibyuma bihagaze mu buryo butambitse bikaba bibi, ariko ntibivuze ko ubwiza bw'ibikoresho bihagaze ari bwiza kuruta ubw'ibikoresho bihagaze mu buryo butambitse, kandi ubwiza bw'ibicuruzwa bugenwa n'ibintu byinshi. (4) Uburemere bwihariye: Uko uburemere bwihariye ari bwinshi, ni ko uburemere burushaho kuba bwiza. Ubwinshi bw'ibice ni bwinshi, muri rusange kubera ko ingano y'itsinda rya hydroxypropyl iri muri ryo ari nyinshi, kandi ingano y'itsinda rya hydroxypropyl ikaba nyinshi, bituma amazi aguma neza kurushaho.
5. Ingano ya hydroxypropyl methylcellulose (HPMC) iri mu ifu ya putty ni iyihe?
Igisubizo: Ingano ya HPMC ikoreshwa mu bikorwa iratandukanye bitewe n'ikirere, ubushyuhe, ubwiza bwa kalisiyumu y'ivu yo mu gace runaka, formula y'ifu ya putty n' "ubwiza busabwa n'abakiriya". Muri rusange, hagati ya kg 4 na kg 5. Urugero: ifu nyinshi ya putty i Beijing ni kg 5; ifu nyinshi ya putty i Guizhou ni kg 5 mu mpeshyi na kg 4.5 mu gihe cy'itumba; ingano ya putty i Yunnan ni nto, muri rusange ni kg 3 kugeza kuri kg 4, nibindi.
6. Ni ubuhe buryo bukwiye bwo gupima hydroxypropyl methylcellulose (HPMC)?
Igisubizo: Ifu ya putty muri rusange ni yuan 100.000, kandi ibisabwa kuri sitrove ni byinshi, kandi yuan 150.000 birakenewe kugira ngo byorohe kuyikoresha. Byongeye kandi, akazi k'ingenzi ka HPMC ni ukubika amazi, hagakurikiraho gucumba. Mu ifu ya putty, igihe cyose amazi abika neza kandi ubukana buri hasi (70.000-80.000), birashoboka. Birumvikana ko uko ubukana bwiyongera, ni ko amazi abika neza. Iyo ubukana burenze 100.000, ubukana buzagira ingaruka ku bukana bw'amazi. Ntabwo bikiri byinshi.
7. Ni ibihe bimenyetso by'ingenzi by'ikoranabuhanga bya hydroxypropyl methylcellulose (HPMC)?
Igisubizo: Ingano ya Hydroxypropyl n'ubukana bwayo, abakoresha benshi bahangayikishijwe n'ibi bimenyetso bibiri. Abafite ubukana bwayo bwinshi muri rusange bafite ubukana bwiza bwo kubika amazi. Ifite ubukana bwinshi bwo kubika amazi niyo ifata amazi neza, mu rugero runaka (atari rwose), naho ifite ubukana bwinshi yo ikoreshwa neza mu gusya sima.
8. Ni ibihe bikoresho by'ingenzi bya hydroxypropyl methylcellulose (HPMC)?
Igisubizo: Ibikoresho by'ingenzi bya hydroxypropyl methylcellulose (HPMC): ipamba itunganyijwe, methyl chloride, propylene oxide, n'ibindi bikoresho fatizo, soda ya caustic, aside, toluene, isopropanol, nibindi.
9. Ni iyihe nshingano nyamukuru yo gukoresha HPMC mu ifu ya putty, kandi se bibaho mu buryo bwa shimi?
Igisubizo: Mu ifu ya putty, HPMC igira inshingano eshatu zo gukurura, kubika amazi no kubaka. Gukomera: Selilulose ishobora gukurura kugira ngo ikomeze guhagarara neza no gukomeza gukurura, kandi irinde kugwa. Gukomera kw'amazi: gutuma ifu ya putty yumuka buhoro buhoro, kandi igafasha kalisiyumu y'ivu gukora neza iyo amazi akoze. Imiterere: Selilulose ifite ingaruka zo gusiga amavuta, bishobora gutuma ifu ya putty igira imiterere myiza. HPMC ntabwo igira uruhare mu bikorwa bya shimi, ahubwo igira uruhare rw'inyongera gusa. Kongera amazi ku ifu ya putty no kuyashyira ku rukuta ni imikorere ya shimi, kuko ibintu bishya bibaho. Iyo ukuye ifu ya putty ku rukuta, ukayisya ikameramo ifu, hanyuma ukongera kuyikoresha, ntabwo izakora kuko ibintu bishya (calcium carbonate) nabyo byakozwe. Ibice by'ingenzi bigize ifu ya kalisiyumu y'ivu ni: uruvange rwa Ca(OH)2, CaO n'ingano nto ya CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Kalisiyumu y'ivu iri mu mazi no mu mwuka Mu gihe cya CO2, kalisiyumu karubone irakorwa, mu gihe HPMC igumana amazi gusa, igafasha mu buryo bwiza bwa kalisiyumu y'ivu, kandi ntigira uruhare mu buryo ubwo aribwo bwose.
10. HPMC ni eteri ya cellulose itari ionic, none se itari ionic ni iki?
Igisubizo: Muri rusange, ikintu kitari iyoni ni ikintu kidashobora kwivanga mu mazi. Ionization yerekeza ku buryo electrolyte ivangwamo iyoni zifite umuriro zishobora kugenda mu buryo bwizewe mu kintu runaka (nk'amazi, alcohol). Urugero, sodium chloride (NaCl), umunyu turya buri munsi, irashonga mu mazi igatanga iyoni zigenda zimuka mu buryo bwizewe (Na+) zifite umuriro mwiza na iyoni za chloride (Cl) zifite umuriro mubi. Ni ukuvuga ko iyo HPMC ishyizwe mu mazi, ntabwo ihinduka iyoni zifite umuriro, ahubwo ibaho mu buryo bwa molekile.
11. Ni iyihe sano iri hagati y’ubushyuhe bwa gel bwa hydroxypropyl methylcellulose?
Igisubizo: Ubushyuhe bwa gel ya HPMC bufitanye isano n'ingano yayo ya methoxy, uko ingano ya methoxy iba nke ↓, niko ubushyuhe bwa gel buba bwinshi ↑.
12. Ese hari isano iri hagati y'igitonyanga cy'ifu ya putty na HPMC?
Igisubizo: Gutakaza ifu y'ifu ya putty ahanini bifitanye isano n'ubwiza bwa calcium y'ivu, kandi ntaho bihuriye na HPMC. Ingano nke ya calcium y'imvi hamwe n'ikigereranyo kidakwiye cya CaO na Ca(OH)2 muri calcium y'imvi bizatera gutakaza ifu. Niba bifitanye isano na HPMC, niba HPMC ifite amazi make, nayo izatera gutakaza ifu. Ku mpamvu zihariye, nyamuneka reba ikibazo cya 9.
13. Ni irihe tandukaniro riri hagati y’ubwoko bwa hydroxypropyl methylcellulose bushobora gushonga mu buryo bushyushye n’ubwoko bwa hydroxypropyl methylcellulose bushobora gushonga mu gihe cyo kuyikora?
Igisubizo: Ubwoko bwa HPMC bwo mu mazi akonje buvurwa na glyoxal ku buso, kandi bukwirakwira vuba mu mazi akonje, ariko ntabwo bushonga mu by'ukuri. Bushonga gusa iyo ubushyuhe bwiyongeye. Ubwoko bwa hot melt ntibuvurwa na glyoxal ku buso. Iyo ingano ya glyoxal ari nini, ubushyuhe buziyongera buhoro buhoro, kandi niba ingano ari nto, ibinyuranye n'ibyo bizabaho.
14. Impumuro ya hydroxypropyl methylcellulose (HPMC) ni iyihe?
Igisubizo: HPMC ikorwa n'uburyo bwo gushonga ikoresha toluene na isopropanol nk'imiti isukura. Iyo gukaraba bitameze neza cyane, hazabaho impumuro isigaye.
15. Ni gute wahitamo hydroxypropyl methylcellulose (HPMC) ikwiye mu bikorwa bitandukanye?
Igisubizo: Gukoresha ifu ya putty: ibisabwa ni bike, kandi ubushyuhe ni 100.000, birahagije. Icy'ingenzi ni ugukomeza amazi neza. Gukoresha morti: ibisabwa byinshi, ubushyuhe bwinshi, 150.000 ni byiza. Gukoresha kole: ibikoresho byihuse bifite ubushyuhe bwinshi birakenewe.
16. Izina rindi rya hydroxypropyl methylcellulose ni irihe?
Igisubizo: Hydroxypropyl Methyl Cellulose, Icyongereza: Hydroxypropyl Methyl Cellulose Incamake: HPMC cyangwa MHPC Izina risanzwe: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. Gukoresha HPMC mu ifu ya putty, ni iyihe mpamvu ituma habaho utubumbe mu ifu ya putty?
Igisubizo: Mu ifu ya putty, HPMC igira inshingano eshatu zo gukurura, kubika amazi no kubaka. Ntukifatanye mu bikorwa ibyo ari byo byose. Impamvu zitera uduheri: 1. Shyira amazi menshi. 2. Igice cyo hasi nticyumye, gusa urundi rwego hejuru, kandi biroroshye kugitera ifuro.
18. Ni iyihe formula y'ifu ya putty ku nkuta z'imbere n'inyuma?
Igisubizo: Ifu y'imbere mu gikoresho cyo mu rukuta: kalisiyumu nyinshi 800KG, kalisiyumu y'umukara 150KG (imvange y'itariki, icyatsi kibisi, ubutaka bwa Pengrun, aside citric, polyacrylamide, nibindi bishobora kongerwamo uko bikwiye)
Ifu y'isukari yo ku rukuta yo hanze: sima 350KG kalisiyumu ikomeye 500KG umucanga wa quartz 150KG ifu ya latex 8-12KG eteri ya selulose 3KG eteri ya sitashi 0.5KG fibre y'ibiti 2KG
Igihe cyo kohereza: Ukuboza 13-2022