Iyi nkuru mu buryo bw'ibibazo n'ibisubizo ku musomyi ku bijyanye n'ubumenyi bujyanye na hydroxypropyl methyl cellulose ether, kugira ngo ugire ubumenyi bwimbitse kuri HPMC mu gihe gito, kugira ngo uhitemo neza kandi ukoreshe ubwoko bw'ibicuruzwa mu musaruro nyakuri.
1, ni iyihe mikoreshereze nyamukuru yahydroxypropyl methyl cellulose (HPMC)?
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 ibi bikurikira: urwego rw'ubwubatsi, urwego rw'ibiribwa n'urwego rw'ubuvuzi hakurikijwe ikoreshwa. Kuri ubu, urwego rwinshi rw'ubwubatsi bwo mu ngo, mu rwego rw'ubwubatsi, ingano y'ifu ya putty ni nini, hafi 90% ikoreshwa mu gukora ifu ya putty, ibisigaye bikoreshwa mu gukora sima na kole.
2, hydroxypropyl methyl cellulose (HPMC) igabanyijemo ibice byinshi, itandukaniro riri he mu ikoreshwa ryayo?
HPMC ishobora kugabanywamo ubwoko bw'umuti ushyushye n'umuti ushyushye, ibicuruzwa byihuse, mu mazi akonje bihita bikwirakwira, bishira mu mazi, muri iki gihe amazi nta ruhushya agira, kuko HPMC ikwirakwira gusa mu mazi, nta gushonga nyakuri. Hafi iminota 2, uruhushya rw'umuti rugenda rwiyongera buhoro buhoro, rugakora colloid ibonerana. Ibikoresho bishyushye bishonga, mu mazi akonje, bishobora gukwirakwira vuba mu mazi ashyushye, bishira mu mazi ashyushye, iyo ubushyuhe bugabanutse kugera ku bushyuhe runaka, uruhushya rugenda rugaragara buhoro buhoro, kugeza igihe colloid iboneye ikora. Umuti ushyushye ushobora gukoreshwa gusa mu ifu ya putty na mortar, mu mazi kole n'irangi, hazabaho ikintu cy'itsinda, ntushobora gukoreshwa. ICYITONDERWA CY'UMUTI UHUSE, URUGERO RW'IBIKORESHO NI RWINSHI CYANE, MU KURAMBUKA N'IFU Y'ABANA N'IMYAMBA, NO MU MAZI Y'IMIZIBA N'IMYENDA, BYOSE BISHOBORA GUKORESHA, HATARIHO IBIBAZO BYO KUDAHUZA.
3, uburyo bwo gushonga bwa hydroxypropyl methyl cellulose (HPMC) bufite ibyo?
– A: Uburyo bwo gushonga amazi ashyushye: kubera ko HPMC idashonga mu mazi ashyushye, bityo HPMC yo mu ntangiriro ishobora gushonga neza mu mazi ashyushye, hanyuma igashonga vuba iyo ikonje, uburyo bubiri busanzwe busobanurwa butya: 1), mu gikoresho mu mazi ashyushye akenewe, hanyuma ugashyushya kugeza kuri dogere 70. Ongeramo gahoro gahoro hydroxypropyl methylcellulose ukoresheje gukangura buhoro buhoro, HPMC yatangiye kureremba hejuru y'amazi, hanyuma buhoro buhoro ikora ururenda, munsi yo gukangura ukonjesha ururenda. 2), ongeramo ingano ikenewe ya 1/3 cyangwa 2/3 y'amazi mu gikoresho, hanyuma ushyushye kugeza kuri dogere 70, ukurikije uburyo bwa 1), gukwirakwiza HPMC, gutegura ururenda rw'amazi ashyushye; Hanyuma ongeramo amazi akonje asigaye mu rurenda rushyushye, uvange kandi ukonjeshe uruvange. Uburyo bwo kuvanga ifu: Ifu ya HPMC n'ibindi bintu byinshi by'ifu, bivanze neza n'icyuma gishyushya, nyuma yo kongeramo amazi kugira ngo bishonge, hanyuma HPMC ishobora gushonga muri iki gihe, ariko ntabwo ihuza, kuko buri mfuruka nto, ifu nto ya HPMC gusa, amazi azahita ashonga. – Ibigo bikora ifu ya putty na mortier birimo gukoresha ubu buryo. Hydroxypropyl METHYL cellulose (HPMC) IKORESHWA NK'ikintu gikomeza ubukana n'ikintu gifata amazi muri mortier ya putty.
4, ni mu buhe buryo bworoshye kandi bwumvikana mu kumenya ubwiza bwa hydroxypropyl methyl cellulose (HPMC)?
– Igisubizo: (1) umweru: nubwo umweru udashobora kumenya nibaHPMCNi byiza gukoresha, kandi iyo byongewe mu gikorwa cyo gukora igikoresho cyo kweza, bizagira ingaruka ku bwiza bwabyo. Ariko, ibicuruzwa byiza ahanini ni umweru. (2) ubunini: Ubunini bwa HPMC muri rusange ni mesh 80 na mesh 100, intego 120 ni nke, Hebei HPMC muri rusange ni mesh 80, ubunini burushaho kuba bwiza, muri rusange ni byiza. (3) kohereza: hydroxypropyl methyl cellulose (HPMC) mu mazi, ikorwa rya colloid ibonerana, reba uko yohereza, uko yohereza ari nyinshi, ni ko ibintu bidashonga neza imbere. Uburyo bwo kwinjira kwa reactor ihagaze muri rusange ni bwiza, reactor igororotse ni mbi, ariko ntishobora kwerekana ko ubwiza bw'umusaruro wa reactor ihagaze ari bwiza kuruta uwo musaruro wa reactor ihagaze, ubwiza bw'umusaruro bugenwa n'ibintu byinshi. (4) uburemere bwihariye: uko uburemere bwihariye ari bwinshi, ni ko uburemere burushaho kuba bwiza. Kurusha uburemere, muri rusange kubera ko hydroxypropyl iri hejuru, hydroxypropyl iri hejuru, hanyuma amazi akaba meza kurushaho.
5, hydroxypropyl methyl cellulose (HPMC) mu rugero rw'ifu ya putty?
– Igisubizo: HPMC mu ikoreshwa nyaryo ry'igipimo, hakurikijwe ikirere, ubushyuhe, ubwiza bw'umuvu wa kalisiyumu wo mu gace runaka, formula y'ifu ya putty n' "ibisabwa n'abakiriya ku bwiza", kandi hari itandukaniro. Muri rusange, igipimo cya putty kidatwarwa n'amazi kiri hagati ya 4 kg na 5 kg hagati. Urugero: ifu ya putty ya Beijing, ishyirwa cyane cyane kg 5; I Guizhou, inyinshi muri zo ni kg 5 mu mpeshyi na kg 4.5 mu gihe cy'itumba. Ingano ya Yunnan ni nto, muri rusange ni kg 3 - kg 4 n'ibindi. Kandi igipimo cya HPMC muri putty ya 821 muri rusange kiri hagati ya kg 2 ~ 3.
6, hydroxypropyl methyl cellulose (HPMC) ni ingano ki y'ubushyuhe ikwiye?
– Igisubizo: IRAMBYE IFU Y'UMWANA GENERAL 100, IBIHUMBI 100, IGIKORESHO CYAYO NI NDENDE CYANE, URASHAKA UBUSHOBOZI 150. Byongeye kandi, uruhare runini rwa HPMC ni ukubika amazi, hagakurikiraho gukuba. Mu ifu ya putty, igihe cyose amazi abika neza, ubushyuhe buri hasi (7-80,000), birashoboka kandi, birumvikana ko ubushyuhe buba bunini, ubushyuhe buhagije bwo kubika amazi buba bwiza, iyo ubushyuhe burenze ibihumbi 100, ubushyuhe budakora cyane ku kubika amazi.
7, hydroxypropyl methyl cellulose (HPMC) ni ibihe bimenyetso by'ingenzi by'ikoranabuhanga?
A: Ingano ya Hydroxypropyl n'ubukana, ari byo abakoresha benshi bahangayikishwa nabyo. Ingano ya Hydroxypropyl ni nyinshi, muri rusange amazi agumana neza. Ubukana, amazi agumana neza, ugereranije (ariko atari burundu) nabyo ni byiza, kandi ubukana, muri sima ya sima ni byiza gukoresha bimwe muri byo.
8, hydroxypropyl methyl cellulose (HPMC) ibikoresho by'ingenzi ni ibihe?
– Igisubizo: hydroxypropyl methyl cellulose (HPMC) y'ibikoresho by'ingenzi: ipamba itunganyijwe, chloromethane, propylene oxide, ibindi bikoresho by'ibanze bifite, ibinini bya alkali, aside, toluene, isopropyl alcohol, nibindi.
9, HPMC mu ikoreshwa ry'ifu ya putty, ni uruhe ruhare rw'ingenzi, yaba shimi?
HPMC mu ifu ya putty, gukurura, kubika amazi no kubaka imirimo itatu. Gukomera: Selilulose ishobora gukurura kugira ngo ikore suspension, kugira ngo umuti ukomeze kuba umwe hejuru no hasi, urwanya gutemba kw'amazi. Gukomeza amazi: gutuma ifu ya putty yumuka buhoro buhoro, ivu ry'inyongera rya kalisiyumu munsi y'ibikorwa by'amazi. Imiterere: Selilulose ifite ingaruka zo gusiga amavuta, ishobora gutuma ifu ya putty igira imiterere myiza. HPMC ntiyitabira ibikorwa bya shimi, ikora gusa uruhare rw'inyongera. Amazi yongewemo ifu ya putty, ku rukuta, ni imikorere ya shimi, kuko habaho ikorwa ry'ibikoresho bishya, ifu ya putty ku rukuta iva ku rukuta, igasenywa ikavamo ifu, hanyuma igakoreshwa, ntabwo ikiriho, kuko yashyizeho ibikoresho bishya (calcium carbonate). Ibice by'ingenzi bigize ifu ya kalisiyumu y'umukara ni: Ca(OH)2, CaO n'uruvange ruto rwa CaCO3, CaO+H2O=Ca(OH)2 – Ca(OH)2+CO2=CaCO3↓+H2O ivu rya kalisiyumu mu mazi no mu mwuka munsi y'ibikorwa bya CO2, ikorwa rya kalisiyumu karubone, na HPMC gusa ibungabunga amazi, ivu rya kalisiyumu ryifashishwa mu gukora neza, ubwaryo ntibwitabiriye igikorwa icyo ari cyo cyose.
10, eteri ya selulose idafite ionic ya HPMC, none se idafite ionic ni iki?
A: Muri rusange, nonionic ni ikintu kiri mu mazi kidakora iyoni. Iyonisation ni inzira electrolyte ivangwamo iyoni zigenda zishyushye mu buryo bwigenga mu kintu runaka, nk'amazi cyangwa alcool. Urugero, sodium chloride (NaCl), umunyu turya buri munsi, irashonga mu mazi igahinduka iyoni zigenda zifunguye (Na+) zifite amashanyarazi meza na iyoni za chloride (Cl) zifite amashanyarazi mabi. Mu yandi magambo, HPMC mu mazi ntihinduka iyoni zifite amashanyarazi, ahubwo ibaho nk'uduce duto.
11, ubushyuhe bwa gel ya hydroxypropyl methylcellulose n'iki gifitanye isano?
– 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'ifu ya putty na HPMC?
– Igisubizo: ifu y'ifu ya putty n'ubwiza bwa calcium bifite isano ikomeye, kandi HPMC ntabwo ifite isano rinini cyane. Ingano nke ya calcium muri calcium n'ikigereranyo cya CaO, Ca(OH)2 mu ivu rya calcium ntabwo bikwiye, bizatuma ifu igabanuka. Niba bifitanye isano na HPMC, ubwo amazi ya HPMC aba make, bizatuma ifu igabanuka. Ku mpamvu zihariye, reba ikibazo cya 9.
13, ubwoko bwa hydroxypropyl methylcellulose bushongeshwa mu mazi akonje n'ubwoko bushyushye bushongeshwa mu ikorwa, itandukaniro ni irihe?
– Ubwoko bw'amazi akonje ashongeshwa na :HPMC buterwa nyuma yo gusukurwa ku buso bwa glyoxal, bushyirwa mu mazi akonje bugatanyagurika vuba, ariko ntibushonge neza, ubushyuhe burazamuka, bugashonga. Ubwoko bw'amazi ashongeshwa n'ubushyuhe ntibwatunganyijwe na glyoxal. Ingano ya glyoxal ni nini, gukwirakwira ni vuba, ariko ubushyuhe buragenda buhoro, ingano ni nto, ahubwo.
14, hydroxypropyl methyl cellulose (HPMC) ifite impumuro y'ibirimo kuba?
– Igisubizo: HPMC ikorwa hakoreshejwe uburyo bwo gushonga ikozwe muri toluene na isopropyl alcohol nk'umusemburo. Iyo gukaraba bitameze neza cyane, hazabaho uburyohe busigaye.
15, uburyo butandukanye bwo gukoresha, ni gute wahitamo hydroxypropyl methyl cellulose (HPMC) ikwiye?
– Igisubizo: Gukoresha ifu ya puti: ibisabwa ni bike, ubukana ni ibihumbi 100, nta kibazo, icy'ingenzi ni ugukomeza amazi neza. Gukoresha sima: ibisabwa ni byinshi, ibisabwa ni ubukana bwinshi, ibihumbi 150 bigomba kuba byiza kurushaho. Gukoresha kole: hakenewe ibikoresho byihuse, ubukana bwinshi.
16, hydroxypropyl methylcellulose ni irihe zina?
A: Hydroxypropyl Methyl Cellulose, Icyongereza: Hydroxypropyl Methyl Cellulose incamake: HPMC cyangwa MHPC iriho izina: Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Cellulose Hypromellose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl Methyl ether Hyprolose.
17, HPMC mu ikoreshwa ry'ifu ya putty, putty powder bubble ni iyihe mpamvu?
HPMC mu ifu ya putty, gukurura, kubika amazi no kubaka ibintu bitatu. Ntiyitabira igikorwa icyo ari cyo cyose. Impamvu y'utubyimba: 1, amazi yashyizwemo menshi cyane. 2, hasi ntabwo yumye, hejuru no gukurura urwego, kandi byoroshye kuyapfuka.
18. Ifu y'ifu ya putty ku nkuta z'imbere n'inyuma?
– Igisubizo: ifu ya putty idashobora amazi yo ku rukuta rw'imbere: 750 ~ 850KG ya kalisiyumu ikomeye, 150 ~ 250KG ya kalisiyumu y'umukara, 4 ~ 5KG ya eteri ya selulose, na 1 ~ 2KG ya porivinili alcohol ifu ya polyvinyl alcohol irashobora kongerwamo neza; Ifu ya putty yo hanze y'urukuta: sima yera 350KG, kalisiyumu ikomeye 500-550kg, kalisiyumu y'umukara 100-150kg, ifu ya latex 8-12kg, eteri ya selulose 5KG, fibre y'ibiti 3KG.
19. Ni irihe tandukaniro riri hagati yaHPMCnaMC?
– MC kuri selulosi ya methyl, ni ipamba itunganyijwe nyuma yo gusukurwa na alkali, hamwe na methane chloride nk'ikintu gitanga etherification, binyuze mu buryo butandukanye bwo gukora na selulosi ya ether. Muri rusange, urwego rwo gusimbuza ni 1.6 ~ 2.0, kandi gushonga kuratandukanye bitewe n'urwego rwo gusimbuza. Ni selulosi ya ether itari ionic.
(1) Uburyo metili selulosi igumana amazi biterwa n'ingano y'inyongera, ubukana, ubukana bw'uduce duto n'umuvuduko wo gushonga. Muri rusange kongeramo ingano nini, ubukana buto, ubukana, igipimo cyo hejuru cyo gufata amazi. Muri byo, ingano y'inyongera ku gipimo cyo gufata amazi igira ingaruka nini, ubukana n'urwego rw'igipimo cyo gufata amazi ntabwo bingana n'isano. Igipimo cyo gushonga giterwa ahanini n'urwego rwo guhindura ubuso n'ubukana bw'uduce duto twa selulosi. Muri eteri ya selulosi yavuzwe haruguru, igipimo cyo gufata amazi cya metili selulosi na hydroxypropyl methyl selulosi ni kinini.
(2) Methyl cellulose ishobora gushonga mu mazi akonje, amazi ashyushye ashonga azahura n'ingorane, umuti wayo w'amazi uri mu gipimo cya pH = 3 ~ 12 urahamye cyane. Ikorana neza na sitashi, gum ya guanidine n'ibindi bintu byinshi biyitera gukamura. Gukamura bibaho iyo ubushyuhe bugeze ku bushyuhe bwa gelation.
(3) Impinduka mu bushyuhe zigira ingaruka zikomeye ku muvuduko wo kubika amazi muri selulosi ya methyl. Muri rusange, uko ubushyuhe burushaho kuba bwinshi, ni ko kubika amazi birushaho kuba bibi. Iyo ubushyuhe bwa selulosi ya mortiweri burenze 40°C, kubika amazi muri selulosi ya methylweri bizarushaho kuba bibi cyane, bikagira ingaruka zikomeye ku bwubatsi bwa selulosi.
(4) Methyl cellulose igira ingaruka zigaragara ku iyubakwa n'ifatana rya sima. Aha, "gufatana" bivuga imbaraga zifatana hagati y'igikoresho cy'umukozi n'urukuta, ni ukuvuga imbaraga zifatana za sima. Imiterere ya sima ni nini, imbaraga zifatana za sima ni nini, kandi imbaraga zisabwa n'abakozi mu ikoreshwa nazo ni nini, bityo ubushobozi bw'ibumba ni buke.
Mu bicuruzwa bya eteri ya selulosi, methyl cellulose adhesion iri ku rwego rwo hagati. HPMC ya hydroxypropyl methyl cellulose, ikorwa mu ipamba itunganyijwe nyuma yo kuvurwa na alkalize, hamwe na propylene oxide na chloromethane nk'ikintu gitanga eteri, binyuze mu buryo butandukanye kandi ikorwa na eteri ivanze na selulosi itari ioni. Igipimo cyo gusimbuza muri rusange ni 1.2 ~ 2.0. Imiterere yayo igirwaho ingaruka n'ikigereranyo cy'ibikubiye muri methoxy n'ibikubiye muri hydroxypropyl.
(1) hydroxypropyl methyl cellulose ishongeshwa mu mazi akonje, amazi ashyushye ashongeshwa azahura n'ingorane. Ariko ubushyuhe bwayo bwo gukaraba mu mazi ashyushye buri hejuru cyane ugereranyije n'ubwa methyl cellulose. Uburyo methyl cellulose ishongeshwamo mu mazi akonje nabwo burarushaho kwiyongera.
(2) ubushyuhe bwa hydroxypropyl methyl cellulose bufitanye isano n'uburemere bwayo bwa molekile, naho uburemere bwa molekile nini ni ubushyuhe bwinshi. Ubushyuhe buzagira ingaruka ku bushyuhe bwayo, ubushyuhe bwiyongera, ubushyuhe bukagabanuka. Ariko, ubushyuhe bwinshi ni buke ugereranyije n'ubwa methyl cellulose. Umuti uba uhamye iyo ubitswe ku bushyuhe bw'icyumba.
(3) hydroxypropyl methyl cellulose ihamye kuri aside na alkali, kandi umuti wayo w'amazi uhamye cyane mu gipimo cya pH = 2 ~ 12. Soda ya Caustic na lime amazi nta ngaruka nini bigira ku miterere yayo, ariko alkali ishobora kwihutisha umuvuduko wayo wo gushonga no kunoza ubukana bw'agapira. Hydroxypropyl methyl cellulose ihamye kuri umunyu rusange, ariko iyo ubwinshi bw'umunyu buri hejuru, ubukana bw'umuti wa hydroxypropyl methyl cellulose bukunze kwiyongera.
(4) Uburyo selulosi ya hydroxypropyl methyl igumana amazi biterwa n'ingano y'inyongera zayo, ubukana bwayo, n'ibindi, ingano imwe y'uburyo amazi agumana amazi iri hejuru ugereranyije na selulosi ya methyl.
(5) hydroxypropyl methyl cellulose ishobora kuvangwa n'ibinyabutabire bya polymer bishongeshwa n'amazi kugira ngo bibe umuti umwe kandi woroshye wo kuzura. Nk'inzoga ya polyvinyl, eteri y'ibimera, gum y'ibimera n'ibindi.
(6) Uburyo cellulose ya hydroxypropyl methyl ifatana n'imiterere ya mortier buruta ubwo cellulose ya methyl.
(7) hydroxypropyl methyl cellulose ifite ubudahangarwa bwiza bwa enzyme kurusha methyl cellulose, kandi amahirwe yo kwangirika kwa enzymes mu gisubizo cyayo ni make ugereranyije n’aya methyl cellulose.
20, isano iri hagati y’ubushyuhe n’ubushyuhe bya HPMC, ni iyihe igomba kwitabwaho mu ikoreshwa ryayo?
– Igisubizo: Ubushobozi bwa HPMC bungana mu buryo bunyuranye n'ubushyuhe, ni ukuvuga ko ubushobozi bwa HPMC bwiyongera uko ubushyuhe bugabanuka. Iyo tuvuze ku bushobozi bwa HPMC, tuba dushaka kuvuga umusaruro wo gupima 2% by'amazi ku bushyuhe bwa dogere selisiyusi 20. Mu buryo bufatika, mu turere dufite itandukaniro rinini ry'ubushyuhe hagati y'impeshyi n'itumba, hakwiye kwitabwaho inama yo gukoresha ubushobozi bwa 2% mu gihe cy'itumba, ibyo bikaba byiza cyane mu bwubatsi. Bitabaye ibyo, iyo ubushyuhe buri hasi, ubushobozi bwa selulose buzazamuka, iyo hakozwe isuku, kumva ko buzaba buremereye. Ubushobozi bwa 75000-100000 bukoreshwa cyane cyane kubera impamvu ya putty: kubika amazi neza Ubushobozi bwa 150000-200000 bukoreshwa cyane cyane ku duce twa polystyrene insulation mortar kole ifu y'ibikoresho n'udupira tw'ibirahure insulation mortar. Impamvu: ubushobozi bwa 2%, sima ntabwo byoroshye kujugunya ivu n'amazi bimanitse, kunoza ubwubatswe. Ariko muri rusange, uko ubushyuhe bwinshi buzamuka, niko amazi agumana neza, bityo inganda nyinshi z’imyanda yumye zitekereza ku giciro, aho cellulose ifite ubushyuhe buringaniye (75.000-100.000) isimbura cellulose ifite ubushyuhe buke (20.000-40.000) kugira ngo bigabanye ingano y’inyongera.
Igihe cyo kohereza: 25 Mata 2024