Hydroxypropyl methylcellulose (HPMC) ni ether ya selile idafite ionic ikozwe muri polymer naturel ya selile isanzwe ikoresheje uburyo bwa chimique.Hydroxypropylmethylcellulose (HPMC) ni impumuro nziza, idafite uburyohe, ifu yera idafite ubumara ishobora gushonga mumazi akonje kugirango ibe igisubizo kibonerana.Ifite imiterere yo kubyimba, guhambira, gutatanya, kwigana, gukora firime, guhagarika, adsorbing, gelling, hejuru ikora, kubungabunga ubushuhe no kurinda colloid.
HPMC ikoreshwa cyane mubikoresho byubwubatsi, gutwikira, ibisigazwa byubukorikori, ububumbyi, ubuvuzi, ibiryo, imyenda, ubuhinzi, kwisiga, itabi nizindi nganda.HPMC irashobora kugabanywa mubyiciro byubwubatsi, icyiciro cyibiribwa nicyiciro cya farumasi ukurikije intego.Kugeza ubu, ibyinshi mubicuruzwa byo murugo ni urwego rwubwubatsi.Mu cyiciro cyubwubatsi, ifu ya putty ikoreshwa mubwinshi, hafi 90% ikoreshwa kubifu ya putty, naho ibindi bikoreshwa mumasima ya sima na kole.
Cellulose ether ni ionic igice cya sintetike yo hejuru ya molekile ya polymer, ikabura amazi kandi igashonga.
Ingaruka ziterwa ninganda zitandukanye ziratandukanye.Kurugero, mubikoresho byubaka imiti, bifite ingaruka zikurikira:
AgentIbikoresho bigumana amazi, hInkoko, ③Kugaragaza umutungo, ④Film ikora umutungo, inderBinder
Mu nganda za polyvinyl chloride, ni emulisiferi kandi ikwirakwiza;mu nganda zimiti, ni binder kandi itinda kandi igenzurwa nibikoresho byo kurekura, nibindi. Kubera ko selile ifite ingaruka zitandukanye zingirakamaro, kuyikoresha Umwanya nawo ni mwinshi cyane.Ibikurikira, nzibanda kumikoreshereze n'imikorere ya selile ether mubikoresho bitandukanye byubaka.
Gusaba in urukutaputty
Mu ifu yuzuye, HPMC ifite uruhare runini rwo kubyimba, gufata amazi no kubaka.
Kubyimba: Cellulose irashobora kubyimba kugirango ihagarike kandi igumane igisubizo kimwe hejuru no hepfo, kandi irwanya kugabanuka.
Ubwubatsi: Cellulose ifite amavuta yo gusiga, ashobora gutuma ifu ya putty yubaka neza.
Gusaba muri minisiteri
Amabuye yateguwe atarinze kongeramo amazi agumana imbaraga zifite imbaraga zo gukomeretsa, ariko umutungo mubi ugumana amazi, guhuriza hamwe, koroshya, kuva amaraso menshi, imikorere mibi ukumva, kandi ahanini ntibishobora gukoreshwa.Kubwibyo, amazi agumana umubyimba ni ikintu cyingenzi cya minisiteri ivanze.Muri beto ya minisiteri, hydroxypropyl methyl selulose cyangwa methyl selulose iratoranijwe muri rusange, kandi igipimo cyo gufata amazi gishobora kwiyongera kugera kuri 85%.Uburyo bwo gukoresha muri beto ya minisiteri ni ukongeramo amazi nyuma yifu yumye ivanze neza.Kugumana amazi menshi birashobora kuyobora neza sima.Byiyongereye cyane imbaraga zubumwe.Mugihe kimwe, imbaraga zingutu nogosha zirashobora kunozwa muburyo bukwiye.Kunoza cyane ingaruka zubwubatsi no kunoza imikorere.
Gushyira mu bikorwa
1. Hydroxypropyl methylcellulose tile yometseho ikoreshwa muburyo bwihariye kugirango ikize mbere yo gushira amatafari mumazi
2. Paste isanzwe kandi ikomeye
3. Ubunini bwa paste ni 2-5mm, kubika ibikoresho n'umwanya, no kongera umwanya wo gushushanya
4. Kohereza ibisabwa bya tekiniki kubakozi ntabwo biri hejuru
5. Ntibikenewe ko ubikosora ukoresheje clips ya plastike yambukiranya na gato, paste ntizagwa, kandi gufatana birakomeye.
6. Ntabwo hazabaho ubunebwe burenze mubice byamatafari, bishobora kwirinda umwanda wubutaka bwamatafari
7. Ibice byinshi byamafumbire yububiko birashobora gushirwa hamwe, bitandukanye nubunini buke bwa sima yubatswe.
8. Umuvuduko wubwubatsi urihuta, wikubye inshuro 5 kurenza sima yoherejwe na sima, kubika umwanya no kunoza imikorere.
Gusaba muri agent
Kwiyongera kwa selile ya selile bituma igira impande nziza, kugabanuka gake hamwe no kurwanya abrasion nyinshi, birinda ibikoresho fatizo kwangirika kwa mashini kandi bikarinda ingaruka mbi ziterwa n’amazi ku nyubako yose.
Gusaba mubikoresho byo kuringaniza
Irinde kuva amaraso:
Agira uruhare runini muguhagarika, kurinda gutembera no kuva amaraso;
Komeza kugenda kandi:
Ibicuruzwa biri hasi cyane ntabwo bigira ingaruka kumyuka kandi byoroshye gukorana.Ifite amazi runaka kandi irashobora gutanga umusaruro mwiza nyuma yo kwishyiriraho kugirango wirinde gucika.
Gukoresha urukuta rwo hanze
Muri ibi bikoresho, selulose ether igira uruhare runini rwo guhuza no kongera imbaraga, bigatuma minisiteri yoroha kwambara no kunoza imikorere.Igihe kimwe, ifite ubushobozi bwo kurwanya kumanikwa.Kurwanya guhangana, kunoza ubwiza bwubuso, kongera imbaraga zubucuti.
Kwiyongera kwa hydroxypropyl methylcellulose nabyo byagize ingaruka zitinda cyane kuvanga minisiteri.Hiyongereyeho umubare wa HPMC, igihe cyo gushiraho minisiteri cyongerewe, kandi umubare wa HPMC nawo wiyongera uko bikwiye.Igihe cyo gushiraho minisiteri yakozwe munsi y'amazi ni kirekire kuruta icyakozwe mu kirere.Ibi biranga nibyiza kuvoma beto mumazi.Isima nziza ya sima ivanze na hydroxypropyl methylcellulose ifite imitekerereze myiza kandi hafi ya ntamazi yinjira
Gusaba muri gypsum
1. Kunoza igipimo cyo gukwirakwiza gypsumu: Ugereranije na hydroxypropyl methylcellulose ether isa, igipimo cyo gukwirakwiza cyiyongereye cyane.
2. Imirima yo gusaba hamwe na dosiye: gypsum yo hasi yomeka, dosiye isabwa ni 2,5-3,5 kg / toni.
3. Imikorere myiza irwanya anti-sagging: nta sag iyo kubaka passe imwe ishyizwe mubice byimbitse, nta sag iyo ikoreshejwe kuri pass zirenze ebyiri (zirenga 3cm), plastike nziza.
4. Ubwubatsi buhebuje: byoroshye kandi byoroshye iyo umanitse, birashobora kubumbwa icyarimwe, kandi bifite plastike.
5. Igipimo cyiza cyo gufata amazi: kongerera igihe cyo gukora gypsumu, kunoza imiterere yikirere cya gypsumu, kongera imbaraga zihuza hagati ya gypsum na base base, imikorere myiza yo guhuza amazi, no kugabanya ivu ryamanuka.
6. Guhuza gukomeye: Birakwiriye kubwoko bwose bwa gypsumu, kugabanya igihe cyo kurohama kwa gypsumu, kugabanya igipimo cyo kugabanuka kwumye, kandi hejuru yurukuta ntibyoroshye gutobora no kumeneka.
Ikoreshwa rya interineti
Hydroxypropylmethylcellulose (HPMC) na hydroxyethylmethylcellulose (HEMC) bikoreshwa cyane mubikoresho byubaka,
Iyo ushyizwe mubikorwa byimbere kurukuta rwimbere ninyuma, rufite ibintu bikurikira:
-Byoroshye kuvanga nta bisebe:
Mu kuvanga n'amazi, guterana mugihe cyo kumisha bigabanuka cyane, bigatuma kuvanga byoroshye no kubika igihe cyo kuvanga;
- Kubika amazi meza:
Kugabanya cyane ubushuhe bwakiriwe nurukuta.Kubika amazi neza birashobora kwemeza igihe kirekire cyo gutegura sima, kurundi ruhande, birashobora kandi kwemeza ko abakozi bashobora gusiba urukuta inshuro nyinshi;
- Gukora neza:
Kubika amazi meza mubushyuhe bwo hejuru, bikwiriye gukorerwa mu cyi cyangwa ahantu hashyushye.
- Kongera amazi asabwa:
Byongera cyane amazi akenewe mubikoresho byoroshye.Yongera igihe cya serivisi ya putty kurukuta, kurundi ruhande, irashobora kongera ubuso bwa putty kandi bigatuma formula ikorwa mubukungu.
Gusaba muri gypsumu
Kugeza ubu, ibicuruzwa bya gypsumu bikunze kugaragara ni ugupompa gypsumu, gypsumu ihujwe, gypsumu yometseho, hamwe na tile yometse.
Gypsum plaster nigikoresho cyiza cyo gupompa kurukuta rwimbere no hejuru.Ubuso bwurukuta rwometseho ni byiza kandi biroroshye, ntibutakaza ifu, bihujwe neza na base, ntibishobora guturika no kugwa, kandi bifite imikorere yumuriro;
Gypsum ifata ni ubwoko bushya bwo gufatisha kubaka imbaho zoroheje.Ikozwe muri gypsumu nkibikoresho fatizo ninyongera zitandukanye.
Birakwiriye guhuza ibikoresho bitandukanye byubaka inyubako.Ifite ibiranga uburozi, uburyohe, imbaraga zo hambere no gushiraho byihuse, no guhuza gukomeye.Nibikoresho bifasha imbaho zo kubaka no guhagarika kubaka;
Gypsum caulk niyuzuza icyuho hagati yimbaho ya gypsumu nuwuzuza gusana inkuta.
Ibicuruzwa bya gypsumu bifite urukurikirane rwimirimo itandukanye.Usibye uruhare rwa gypsumu hamwe nuwuzuza, ikibazo cyingenzi nuko inyongeramusaruro ya selile yongeyeho uruhare runini.Kuberako gypsumu igabanyijemo gypsumu ya anhydrous na gypsum ya hemihydrate, gypsumu itandukanye igira ingaruka zitandukanye kumikorere yibicuruzwa, bityo kubyimba, kubika amazi no kudindiza bigena ubwiza bwibikoresho byubaka gypsumu.Ikibazo gisanzwe cyibi bikoresho ni ugutobora no guturika, kandi imbaraga zambere ntizishobora kugerwaho.Kugira ngo iki kibazo gikemuke, ni uguhitamo ubwoko bwa selile hamwe nuburyo bwo gukoresha imikoreshereze ya retarder.Ni muri urwo rwego, methyl cyangwa hydroxypropyl methyl 30000 muri rusange byatoranijwe.–60000cps, amafaranga yiyongereye ari hagati ya 1.5 ‰ –2 ‰, selile ikoreshwa cyane cyane mu gufata amazi no kudasiga amavuta.
Ariko rero, ntibishoboka kwishingikiriza kuri selile ya selile nka retarder, kandi birakenewe kongeramo aside citric retarder kugirango ivange kandi ikoreshe bitagize ingaruka kumbaraga zambere.
Kugumana amazi muri rusange bivuga umubare w'amazi azabura bisanzwe bitarimo amazi yo hanze.Niba urukuta rwumye cyane, kwinjiza amazi no guhumeka bisanzwe hejuru yubutaka bizatuma ibikoresho bitakaza amazi vuba, kandi gutobora no guturika nabyo bizabaho.
Ubu buryo bwo gukoresha buvanze nifu yumye.Niba utegura igisubizo, nyamuneka reba uburyo bwo gutegura igisubizo.
Gusaba irangi rya latex
Mu nganda za latex, hydroxyethyl selulose igomba guhitamo.Ibisobanuro rusange byubwiza buciriritse ni 30000-50000cps, bihuye nibisobanuro bya HBR250.Igipimo cyerekana muri rusange hafi 1.5 ‰ -2 ‰.Igikorwa nyamukuru cya hydroxyethyl mumarangi ya latex nukubyimba, gukumira gelation ya pigment, gufasha gutatanya pigment, gutuza kwa latex, no kongera ububobere bwibigize, bifasha mubikorwa byo kuringaniza ubwubatsi. .
Igihe cyo kohereza: Ukuboza-13-2022