HPMC mu ikoti rya Skim

Hydroxypropyl methyl selulose (HPMC) viscosity ya Skim ikoti?

- igisubizo: Ikoti rya skim nibyiza mubisanzwe HPMC 100000cps, muremure muremure usabwa muri minisiteri, ushaka 150000cps ubushobozi bwo gukoresha. Byongeye kandi, HPMC ninshingano zingenzi zo gufata amazi, hagakurikiraho kubyimba. Muri kote ya Skim, mugihe cyose gufata amazi ari byiza, ubukonje buri hasi (7-80000), birashoboka kandi, byanze bikunze, ibishishwa ni binini, kugumana amazi ugereranije nibyiza, mugihe ubwiza burenze 100 igihumbi, ubwiza bwo gufata amazi ntabwo ari bwinshi.

Nibihe bintu nyamukuru byerekana tekinike ya hydroxypropyl methyl selulose (HPMC)?

Igisubizo: Hydroxypropyl ibirimo hamwe nubwiza, abakoresha benshi bita kuri ibi bipimo byombi. Hydroxypropyl irimo byinshi, kubika amazi muri rusange nibyiza. Viscosity, kubika amazi, isano (ariko ntabwo byuzuye) nabyo nibyiza, kandi viscosity, sima ya sima nibyiza gukoresha bimwe.

Hydroxypropyl methyl selulose (HPMC) ni ibihe bikoresho nyamukuru?

Igisubizo: hydroxypropyl methyl selulose (HPMC) ibikoresho nyamukuru: ipamba itunganijwe, chloromethane, okiside ya propylene, ibindi bikoresho fatizo, tablet alkali, aside, toluene, inzoga ya isopropyl nibindi.

HPMC muri Skim ikoti mubisabwa, uruhare nyamukuru, yaba imiti?

Igisubizo: HPMC mu ikoti rya Skim, kubyimba, amazi no kubaka inshingano eshatu. Kubyimba: selile irashobora kuba mwinshi kugirango ihagarike, kugirango igisubizo gikomeze kuba kimwe hejuru no munsi yuruhare rwo kurwanya kumanika. Kubika amazi: kora ikoti rya Skim yumye gahoro gahoro, calcium yingirakamaro ya calcium mugikorwa cyamazi. Ubwubatsi: amavuta ya selile, arashobora gutuma Skim ikote ifite ubwubatsi bwiza. HPMC ntabwo yitabira imiti iyo ari yo yose, ariko igira uruhare runini. Skim ikoti n'amazi, kurukuta, ni reaction ya chimique, kubera kubyara ibintu bishya, urukuta rwikoti rya Skim rumanuka kuva kurukuta, hasi rugahinduka ifu, hanyuma ugakoresha, ntabwo ari rwiza, kuko rwakoze ibintu bishya (calcium karubone). Ibice byingenzi bigize ifu ya calcium yumukara ni: Ca (OH) 2, CaO hamwe nuruvange ruto rwa CaCO3, CaO + H2O = Ca (OH) 2 - Ca (OH) 2 + CO2 = CaCO3 ↓ + H2O calcium yumukara mumazi n'umwuka munsi ya CO2, gushiraho karubone ya calcium, na HPMC gusa amazi, imfashanyo yumukara wa calcium nziza, ibyayo ntabwo byagize uruhare mubitekerezo.

HPMC ntabwo ari ionic selulose ether, none non-ionic niki?

Igisubizo: Muri rusange, abatari ion ni ibintu bidatera ioni mumazi. Ionisation ni ugutandukanya electrolyte mumashanyarazi yimuka yubusa mumashanyarazi yihariye, nkamazi cyangwa inzoga. Kurugero, umunyu turya burimunsi - sodium chloride (NaCl) ishonga mumazi na ionize kugirango ikore sodium ion yimuka yubusa (Na +) hamwe nubushakashatsi bwiza hamwe na ioni ya chloride (Cl) hamwe nuburyo bubi. Ni ukuvuga, HPMC mumazi ntabwo yitandukanya na ion zashizwemo, ahubwo ibaho nka molekile.

Ubushyuhe bwa hydroxypropyl methyl selulose bufitanye isano niki?

Igisubizo: Ubushyuhe bwa gel bwa HPMC bufitanye isano na metoxyl. Hasi ya mikorerexyl iri, nubushyuhe bwa gel buri hejuru.

Skim coat powder na HPMC ntaho bihuriye?

Igisubizo: Skim ikoti yamashanyarazi cyane kandi ivu rya calcium ivu rifite isano rinini cyane, kandi HPMC ntabwo ifitanye isano nini cyane. Kalisiyumu nkeya ya calcium yumukara hamwe nigipimo kidakwiye cya CaO na Ca (OH) 2 muri calcium yumukara bizatera ifu kugabanuka. Niba hari isano na HPMC, noneho gufata amazi mabi ya HPMC nabyo bizatera gutakaza ifu.

Ni irihe tandukaniro riri hagati yo gukonjesha amazi akonje na hydroxypropyl methyl selulose ishushe mugikorwa cyo kubyara?

. Ubwoko bwa thermosoluble ntabwo bwakorewe hejuru ya glyoxal. Umubare wa glyoxal ni munini, gutatanya birihuta, ariko ibishishwa biratinda, umubare ni muto, kurundi ruhande.

Niki hydroxypropyl methyl selulose (HPMC) ihumura?

- Igisubizo: HPMC yakozwe nuburyo bwa solvent ikozwe muri toluene na alcool ya isopropyl. Niba gukaraba atari byiza cyane, hazabaho uburyohe busigaye.

Imikoreshereze itandukanye, nigute ushobora guhitamo hydroxypropyl methyl selulose (HPMC)?

- igisubizo: kurambirwa no gukoresha ifu yumwana: ibisabwa ni bike, viscosity 100000, ok, ni ngombwa kurinda amazi kuba hafi. Porogaramu ya Mortar: ibisabwa cyane, ibisabwa hejuru cyane, 150000 kugirango ube mwiza. Porogaramu ya kole: gukenera ibicuruzwa ako kanya, ubukonje bwinshi.

Ni irihe zina rya hydroxypropyl methyl selulose?

- IGISUBIZO: Hydroxypropyl MethylCellulose, Amagambo ahinnye nka HPMC cyangwa MHPC, cyangwa Hydroxypropyl Methyl Cellulose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether.

HPMC mugukoresha ikoti rya Skim, niyihe mpamvu Skim ikoti ryinshi?

Igisubizo: HPMC mu ikoti rya Skim, kubyimba, amazi no kubaka inshingano eshatu. Kutitabira reaction iyo ari yo yose. Impamvu zitera ibibyimba: 1, amazi menshi. 2, hepfo ntabwo yumye, hejuru yikibaho, nanone byoroshye kubyimba.

Urukuta rwimbere ninyuma Skim ikoti?

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Urukuta rw'inyuma Ikoti rya Skim: sima 350KG calcium 500KG quartz umucanga 150KG ifu ya latex 8-12kg selulose ether 3KG ibinyamisogwe ether 0.5kg fibre yibiti 2KG

Ni irihe tandukaniro riri hagati ya HPMC na MC?

. Mubisanzwe, urwego rwo gusimburwa ni 1.6 ~ 2.0, kandi gukemura biratandukanye nurwego rwo gusimburwa. Biri muri selile nonionic selile.

. Mubisanzwe ongeramo umubare munini, ubwiza buto, viscosity, igipimo cyo gufata amazi ni kinini. Muri byo, ingano y’inyongeramusaruro igira uruhare runini mu gufata amazi, kandi ibishishwa ntabwo bihwanye no gufata amazi. Igipimo cyo guseswa ahanini biterwa nuburinganire bwo hejuru hamwe nuburinganire bwa selile. Muri ethers nyinshi za selile, methyl selulose na hydroxypropyl methyl selulose igipimo cyo gufata amazi kiri hejuru.

(2) Methyl selulose irashobora gushonga mumazi akonje, bigoye gushonga mumazi ashyushye. Igisubizo cyamazi cyacyo kirahagaze neza muri pH = 3 ~ 12. Ifite guhuza neza na krahisi, guanidine gum na surfactants nyinshi. Gelation ibaho iyo ubushyuhe bugeze ku bushyuhe bwa gelation.

(3) Ihinduka ry'ubushyuhe rizagira ingaruka zikomeye ku kigero cyo gufata amazi ya methyl selile. Mubisanzwe, uko ubushyuhe buri hejuru, niko gufata amazi ari bibi. Niba ubushyuhe bwa minisiteri burenze 40 ℃, kugumana amazi ya methyl selulose bizaba bibi cyane, bigira ingaruka zikomeye kumyubakire ya minisiteri.

(4) Methyl selulose igira uruhare rugaragara mukubaka no gufatira minisiteri. “Adhesion” hano yerekeza ku gufatira umukozi kumva hagati y'igikoresho na substrate y'urukuta, aribyo kurwanya inkweto za minisiteri. Adhesion nini, kurwanya shear ya minisiteri nini, imbaraga zisabwa nabakozi mugikorwa cyo gukoresha nazo nini, kandi kubaka minisiteri ni bibi. Mu bicuruzwa bya selile ya selile, gufatira methyl selulose kurwego ruciriritse.

HPMC hydroxypropyl methyl selulose, itunganywa nipamba nyuma yo kuvura alkali, hamwe na okiside ya propylene na chloromethane nkibikoresho bya etherifying, binyuze mubisubizo byakozwe kandi bikozwe muri ether ya selile idafite ionic. Urwego rwo gusimbuza muri rusange ni 1.2 ~ 2.0. Imiterere yacyo iratandukanye nigipimo cyimikorere na hydroxypropyl.

(1) Hydroxypropyl methyl selulose irashobora gushonga byoroshye mumazi akonje, bigoye gushonga mumazi ashyushye. Nyamara, ubushyuhe bwa gelation mumazi ashyushye biragaragara ko burenze ubwa methyl selile. Ubushobozi bwa methyl selulose mumazi akonje nabwo bwatejwe imbere cyane.

. Ubushyuhe nabwo bugira ingaruka ku bwijimye. Ubushuhe buragabanuka uko ubushyuhe bwiyongera. Ariko ubukonje bwacyo hejuru yubushyuhe buri munsi yubwa methyl selile. Igisubizo kirahamye iyo kibitswe mubushyuhe bwicyumba.

. Caustic soda namazi yindimu ntacyo bihindura kumiterere yabyo, ariko alkali irashobora kwihutisha umuvuduko wacyo kandi igatera ubwiza. Hydroxypropyl methyl selulose ihagaze neza kumunyu rusange, ariko iyo ubunini bwumuti wumunyu mwinshi, ubwiza bwumuti wa hydroxypropyl methyl selulose ukunda kwiyongera.

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. Nka alcool ya polyvinyl, krahisi ether, kole yimboga nibindi.

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Ni iki gikwiye kwitabwaho mubikorwa bifatika bijyanye isano iri hagati yubukonje nubushyuhe bwa HPMC?

Igisubizo: Ubukonje bwa HPMC buragereranywa nubushyuhe, nukuvuga, ubukonje bwiyongera hamwe no kugabanuka kwubushyuhe. Iyo tuvuze ubwiza bwibicuruzwa, tuba tuvuze ubwiza bwa 2% byibicuruzwa mumazi kuri dogere selisiyusi 20.

Mubikorwa bifatika, mubice bifite ubushyuhe butandukanye hagati yizuba nimbeho, twakagombye kumenya ko bisabwa gukoresha ubukonje buke ugereranije nimbeho, bifasha cyane kubaka. Bitabaye ibyo, iyo ubushyuhe buri hasi, ubukonje bwa selile buziyongera, kandi mugihe cyo gukuraho, ibyiyumvo bizaba biremereye.

Ubucucike buciriritse: 75000-100000 bukoreshwa cyane muri putty

Impamvu: Kubika amazi meza

Ubukonje bukabije: HPMC 150000-200000 ikoreshwa cyane cyane mubice bya polystirene insulasiyo ya minisiteri yifu yifu ya pome na vitrifike yamashanyarazi.

Impamvu: viscosity nyinshi, mortar ntabwo byoroshye kugabanuka, gutemba kumanikwa, kunoza ubwubatsi.

Ariko muri rusange, uko ubukonje buri hejuru, niko gufata amazi meza, bityo inganda nyinshi za minisiteri yumye, urebye ikiguzi, koresha selile ya HPMC selile (75000-100000) kugirango usimbuze selile ya selile HPMC (20000-40000) kugirango ugabanye umubare w'inyongera.