Anxin Cellulose Co., Ltd ni uruganda rukora ibikoresho bya Hydroxypropyl methyl cellulose HPMC mu Bushinwa, rufite ikirango cyarwo cyiza cyane cyitwa AnxinCel® Cellulose ethers.
Incamake y'isesengura rya hydroxypropyl methylcellulose HPMC
Icya mbere, ni iyihe mikoreshereze nyamukuru ya hydroxypropyl methyl cellulose?
HPMC IKORESHWA CYANE MU BIKORESHO BY'UBWUBATSI, gusiga irangi, resins zikoze mu nganda, ubuvuzi, ibiribwa, imyenda, ubuhinzi, amavuta yo kwisiga, itabi n'izindi nganda. HPMC ishobora kugabanywamo urwego rw'inganda, urwego rw'ibiribwa n'urwego rw'imiti hakurikijwe ikoreshwa ryayo.
Icya kabiri, hydroxypropyl methyl cellulose igabanyijemo ubwoko butari bumwe, muri ubwo ni ubuhe budasa?
HPMC ishobora kugabanywamo ubwoko bw'ingufu (inyunganizi y'urwego "S") n'ubwoko bushyushye bushongesha, ibicuruzwa byihuse, mu mazi akonje bihita bikwirakwira, bishira mu mazi, muri iki gihe amazi nta mvungukira iba ifite, kuko HPMC ikwirakwira gusa mu mazi, nta gushonga nyako. Mu gihe cy'iminota 2, mvungukira y'amazi yiyongera buhoro buhoro, igakora colloid isobanutse neza. Ibicuruzwa bishyushye bishonga, mu mazi akonje, bishobora gukwirakwira vuba mu mazi ashyushye, bishira mu mazi ashyushye, nk'ubushyuhe bukagera ku bushyuhe runaka (dukurikije ubushyuhe bwa gel bw'ibicuruzwa), mvungukira igaragara buhoro buhoro, kugeza igihe habayeho colloid isobanutse neza.
Icya gatatu, uburyo bwo gukemura ikibazo cya hydroxypropyl methyl cellulose bufite iki?
1. Imiterere yose ishobora kongerwa ku bikoresho hakoreshejwe uburyo bwumye bwo kuvanga;
2, bigomba kongerwa mu buryo butaziguye ku gipimo cy'amazi gisanzwe gishyushye, ni byiza gukoresha ubwoko bw'amazi akonje atatanya, nyuma yo kongeramo muri rusange mu minota 10-90 kugira ngo bibyimbe (kuvanga, kuvanga, kuvanga)
3. Uburyo busanzwe bubanza gukwirakwizwa hakoreshejwe amazi ashyushye, hanyuma bigashonga hakoreshejwe amazi akonje nyuma yo gukurura no gukonjesha.
4. Iyo ikintu cyo gufunga no gupfunyika kibaye iyo bishongeshejwe, ni uko kuvanga bidahagije cyangwa icyitegererezo gisanzwe cyongewe mu mazi akonje. Muri iki gihe, kigomba kuvangwa vuba.
5. Iyo uduheri twakozwe iyo twashongeshejwe, dushobora gusigara amasaha 2-12 (igihe cyihariye kigenwa n'uburyo umuti uhagaze) cyangwa tukavanwaho hakoreshejwe uburyo bwo gukuramo umwuka, gushyiramo umwuka n'ubundi buryo, kandi ingano ikwiye y'umuti urwanya ifuro ishobora no kongerwamo.
Icya kane, ni gute byoroshye kandi byumvikana mu kumenya aho hydroxypropyl methyl cellulose ihagaze cyangwa igwa?
1, ubuziranenge, ubuziranenge nubwo budashobora kumenya niba HPMC ari nziza, kandi iyo yongewemo mu buryo bwo kuyitunganya, bizagira ingaruka ku bwiza bwayo, ariko, ibicuruzwa byiza ahanini ubuziranenge ni bwiza.
2, ubugari: Ubugari bwa HPMC muri rusange ni mesh 80 na mesh 100, 120 niyo igabanutse, uko irushaho kuba nziza niko irushaho kuba nziza.
3, kohereza urumuri: HPMC mu mazi, ikora koloyide ibonerana, ibona ko urumuri rwayo rugera, uko ikintu kiyinjiramo kiba kinini, isobanura ko ibintu bidashonga neza imbere, kontoro ihagaze neza muri dogere muri rusange ni nziza, izohereza bimwe mu byondoro ihagaze, ariko ntishobora gusobanura ko umusaruro w’amatafari uhagaze ari mwiza kuruta kontoro ikorwa, hari ibintu byinshi bigena ubwiza bw’umusaruro.
4, igipimo: uko igipimo kinini, uko uburemere bungana niko bwiza kurusha igipimo kinini, muri rusange kubera ko igipimo cya hydroxypropyl ari kinini, igipimo cya hydroxypropyl ari kinini, hanyuma amazi akabikwa neza.
Gatanu, hydroxypropyl methyl cellulose mu rugero rw'ifu ya putty?
HPMC mu ikoreshwa nyaryo ry'igipimo, hakurikijwe ikirere, ubushyuhe, ubwiza bw'ivu rya kalisiyumu mu gace runaka, formula y'ifu ya putty n'ibyo abakiriya bakeneye ku bwiza butandukanye, kandi muri rusange, hari itandukaniro riri hagati ya 4-5 kg.
Icya gatandatu, ubukana bwa hydroxypropyl methyl cellulose ni bwiza cyane?
Irinde ifu y'umwana ni rusange ibihumbi 100. OK, IGIKORESHO MU BUTO NI MUREMU CYANE, WIFUZA 150.000 kugira ngo ube mwiza mu gukoresha, kandi, uruhare rw'ingenzi rwa HPMC ni ukubika amazi, igikurikiraho ni ukwiyongera. Mu ifu ya putty, igihe cyose amazi abika neza, viscosity iri hasi (7-8), birashoboka kandi, birumvikana ko viscosity ari nini, viscosity ifata amazi iba nziza kurushaho, iyo viscosity irenga 100.000, viscosity ntacyo igira ku kubika amazi.
Icya karindwi, ni ibihe bimenyetso by'ingenzi bya tekiniki bya hydroxypropyl methyl cellulose?
Ibikubiye muri Hydroxypropyl
Ibikubiye muri Methyl
ubushyuhe
ivu
Kugabanya ibiro byumye
Umunani, ni ibihe bikoresho by'ingenzi bya hydroxypropyl methyl cellulose?
Ibikoresho by'ingenzi bya HPMC: ipamba itunganyijwe, chloromethane, propylene oxide, ibindi bikoresho fatizo, ibinini bya alkali, aside toluene.
Icyenda, hydroxypropyl methyl cellulose mu ikoreshwa ry'ifu ya putty, uruhare runini, ese ni imiti?
Mu ifu ya putty, igira inshingano eshatu: gukurura, kubika amazi no kubaka. Gukomera, selulose ishobora gukurura kugira ngo ikore suspension, kugira ngo umuti ukomeze kuba umwe hejuru no hasi, urinde gutemba. Gukomeza amazi: gutuma ifu ya putty yumuka buhoro buhoro, ivu ry'umuvuduko wa kalisiyumu munsi y'ibikorwa by'amazi. Imiterere: Selulose igira ingaruka zo gusiga amavuta, ishobora gutuma ifu ya putty igira imiterere myiza. HPMC ntiyitabira ibikorwa bya shimi, ikora gusa uruhare rw'ubufasha.
Hydroxypropyl methyl cellulose ni eteri ya cellulose itari ionic, none se itari ionic ni iki?
Muri rusange, ibintu bidafite ireme ntibigira uruhare mu bikorwa bya shimi.
CMC (carboxymethyl cellulose) ni iya cellulose ya cationic, bityo calcium y'umukara ihinduka ibishyimbo.
11. Ni iyihe sano iri hagati y’ubushyuhe bwa gel bwa hydroxypropyl methylcellulose?
Ubushyuhe bwa gel ya HPMC bufitanye isano n'ingano yayo ya methoxy. Uko ingano ya methoxy iba nke, niko ubushyuhe bwa gel buba bwinshi.
Twelve, ifu ya putty na hydroxypropyl methyl cellulose nta sano bifitanye?
Birakomeye!! HPMC ntifata amazi neza, itera ifu.
13. Ni irihe tandukaniro riri hagati y’umuti ushyushye wa hydroxypropyl methyl cellulose ukoreshwa mu gukora?
Ubwoko bw'amazi akonje ashongeshwa na HPMC ni nyuma yo gusukura ubuso bwa glyoxal, mu mazi akonje buhita butatana, ariko ntibushonge neza, ubushyuhe burazamuka, bugashonga. Ubwoko bw'amazi ashongeshwa n'ubushyuhe ntibwasuwe ubuso na glyoxal. Ingano ya glyoxal ni nini, gutatana ni vuba, ariko ubushyuhe buragenda buhoro, ingano ni nto, ahubwo.
14, impumuro ya hydroxypropyl methyl cellulose ni gute wasubiza inshingano?
HPMC ikorwa hakoreshejwe uburyo bwo gushonga ikozwe muri toluene na isopropyl alcohol nk'umusemburo. Iyo gukaraba bitagenze neza cyane, hazabaho uburyohe busigaye. (Gusubiza impumuro mu buryo bwo gushonga ni cyo gikorwa cy'ingenzi gituma impumuro ihumura)
15, uburyo butandukanye bwo gukoresha, ni gute wahitamo selulose ya hydroxypropyl methyl ikwiye?
Ifu ya putty: isaba amazi menshi, uburyo bworoshye bwo kubaka (urwego rwemewe: 7010N)
Sima isanzwe ishingiye kuri sima: amazi menshi agumana, ubushyuhe bwinshi, ubushyuhe bwihuse (urwego rwemewe: HPK100M)
Gukoresha kole yo kubaka: ibikoresho byihuse, ubushyuhe bwinshi. (Ikirango cyifuzwa: HPK200MS)
Uduce twa Gypsum: amazi menshi agumana, ubushyuhe buri hagati n'ubushyuhe buke, ubushyuhe buhita bugabanuka (urwego rwemewe: HPK600M)
16, hydroxypropyl methyl cellulose ni irihe zina?
HPMC cyangwa MHPC bita hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
Cumi na birindwi, hydroxypropyl methyl cellulose mu ikoreshwa ry'ifu ya putty, putty powder bubble ni iyihe mpamvu?
HPMC mu ifu ya putty, igira uruhare rutatu mu gukurura, kubika amazi no kubaka, impamvu y'ubururu:
1. Amazi menshi cyane yongerwamo.
2. Hasi ntabwo yumye, hejuru y'urundi ruhushya rwo gukurura, kandi byoroshye kubyimba.
Icumi n'umunani, hydroxypropyl methyl cellulose na MC ni irihe tandukaniro?
MC ni methylcellulose, ikorwa mu ipamba itunganyijwe nyuma yo gusukurwa na alkali na methane chloride nk'ikintu gitanga etherification binyuze mu buryo butandukanye bwo gukora cellulose ether. Muri rusange, urwego rwo gusimbuza ni 1.6-2.0, kandi gushonga kw'ibipimo bitandukanye byo gusimbuza nabyo biratandukanye, bikaba ari ibya non-ionic cellulose ether.
(1) Uburyo methyl cellulose igumana amazi biterwa n'ingano yayo, ubukana bwayo, ubukana bwayo n'umuvuduko wayo wo gushonga. Muri rusange, niba ingano yo kongeramo ari nini, ubukana bwayo ni buto kandi ubukana bwayo ni bwinshi, igipimo cyo kubika amazi ni kinini. Igipimo cyo kongeramo gifite ingaruka zikomeye ku gipimo cyo kubika amazi, kandi ubukana bwayo ntibufitanye isano n'igipimo cyo kubika amazi. Umuvuduko wo gushonga uterwa ahanini n'urugero rw'impinduka z'ubuso bw'uduce twa cellulose n'ubukana bw'uduce. Muri cellulose yavuzwe haruguru, igipimo cyo kubika amazi cya ether methyl cellulose na hydroxypropyl methyl cellulose ni kinini.
(2) Methyl cellulose ishobora gushonga mu mazi akonje, gushonga mu mazi ashyushye bizahura n'ingorane, umuti wayo w'amazi uri hagati ya pH = 3-12 urahamye cyane, kandi sitashi, hamwe n'ibindi byinshi bihuye neza, iyo ubushyuhe bugeze ku bushyuhe bwa gelation, hazabaho ikintu cya 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 dogere 40, kubika amazi muri selulosi ya methylweri bizaba bibi cyane, bikagira ingaruka zikomeye ku bwubatsi bwa selulosi.
(4) Methyl cellulose igira ingaruka zigaragara ku iyubakwa n'ifatana rya sima. Aha, gufatana kwerekeza ku mbaraga z'ubukorikori zumvika hagati y'igikoresho cy'abakozi cyo gusimbuza n'igice cy'urukuta, ni ukuvuga, imbaraga z'ubukorikori zo gusimbuza. Imiterere y'ubukorikori ni nini, imbaraga z'ubukorikori zo gusimbuza ni nini, kandi imbaraga zisabwa n'abakozi mu ikoreshwa nazo ni nini, bityo ubushobozi bw'ubukorikori bwo kubaka ni bubi.
Igihe cyo kohereza: Nzeri-07-2022