1. Gini bu isi ihe eji eme ihe hydroxypyl methylcellose (hpmc)?
- A na - eji HPMC mee ihe n'ọtụtụ ihe eji eme ihe, mkpuchi, ụlọ, ihe oriri, nri, ihe oriri, ihe ịchọ mma, ụtaba na ụlọ ọrụ ndị ọzọ. Enwere ike kee HPMC na: ọkwa ụlọ, ọkwa nri na ọkwa ọgwụ dị ka ojiji eji eme ya. Ugbu a, ọtụtụ n'ime ngwaahịa ụlọ na-ewu ụlọ. A na-eji ọkwa ihe owuwu, a na-eji ntụ ntụ ntụ na nnukwu ego, ihe dị ka 90% na-eji ntụ ntụ putty, a na-eji ndị ọzọ mee ihe maka mịrị ciment na gluu.
2. Enwere ọtụtụ ụdị hydroxypPropyylthylthyl methylcellose (HPMC), oleekwa ọdịiche dị na iji ha?
- A ga - ekewa HPMC n'ime ụdị ozugbo na ụdị ọkụ ọkụ. Ngwaahịa a na-adọba ngwa ngwa na mmiri oyi ma na-apụ n'anya na mmiri. N'oge a, mmiri mmiri enweghị viscosity, n'ihi na a na-agbasa HPMC naanị na mmiri na-enweghị ezigbo mgbasa. Ihe dị ka nkeji 2, viscosity nke mmiri mmiri na-eji nwayọọ nwayọọ na-abawanye, na-akpụzi colnoid. Ngwa ahịa na-ekpo ọkụ, mgbe ejiri mmiri oyi zukọọ, nwere ike iwesa ngwa ngwa na mmiri ọkụ ma pụọ na mmiri ọkụ. Mgbe ọnọdụ okpomọkụ dara na ụfọdụ okpomọkụ, viscosity ga-eji nwayọ nwayọ ruo mgbe ọ na-etolite colnoid. Enwere ike iji ụdị na-ekpo ọkụ na-ekpo ọkụ na ntụ ntụ. Na gluu mmiri na agba, a ga-ejikọ ihe phenomenon na enweghị ike iji ya. Ụdị ngwa ngwa nwere ọtụtụ ngwa. Enwere ike iji ya na ntụ ntụ na ngwa agha, yana gluu mmiri na tee, na-enweghị contraindications ọ bụla.
3. Gini bu uzo uzo nke hydropylthlthylthyl?
- A ga - ekesasị usoro mmiri: Ebe ọ bụla na - ekpo ọkụ na - agbasa na mmiri ọkụ, enwere ike ịgbasa hpmc na mmiri ọkụ na mbido mbụ, wee gbazee ngwa ngwa mgbe oyi jụrụ. A kọwara ụzọ abụọ ndị a na-ahụkarị dị ka ndị a:
1) Tinye ego achọrọ nke mmiri ọkụ na akpa ma kpoo ya ihe dị ka 70 Celsius. Na hydroxypyl Methylcellose na-eji nwayọọ nwayọọ na-agbasa, na mbụ HPMC na-ese n'elu mmiri, wee jiri nwayọ guzobe ya, nke dị jụụ, nke dị mma.
2), tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa ahụ, ma kpoo ya 70 Celsius C, chụsaa HPMC dị ka usoro 1), ma kwadebe mmiri ọkụ na-ekpo ọkụ; Mgbe ahụ, tinye ego fọdụrụ na mmiri oyi na mmiri ọkụ slurry, a na-ajụkọta ngwakọta ahụ mgbe ọ na-akpali.
Iji gwakọta ntụ ntụ ntụ ntụ, gwakọta ya na igwe igwe, mgbe ahụ, hpmc nwere ike belata n'oge a, n'ihi na ọ bụ naanị obere HPMC na obere ntụ ntụ. - Ndị na - emepụta ntụ ntụ na ngwa agha na - eji usoro a. [Hydroxypyl Methylcelllose (Hpmc) dị ka nke na-agbachitere mmiri na-aga n'ihu na ngwa agha potty.
4. Otu esi ekpebi ogo nke hydyypyl methylcelllose (hpmc) naanị na itinye ya?
- 1) Whinseny: Ọ bụ ezie na ọcha enweghị ike ikpebi ma HPMC dị mfe iji, ọ bụrụ na agbakwunye ndị na - eme ihe na - eme ihe, ọ ga - emetụta oke ya. Agbanyeghị, ọtụtụ n'ime ezigbo ngwaahịa nwere ezigbo ọcha. (2) Finally: family nke HPMC n'ozuzu nwere 80 na 1000, 120 mesh, na ọtụtụ hpmc mepụtara na Hebei bụ njupụta 80, na-ekwukarị ihe ọma, ka mma. (3) transmitten ọkụ: Tinye hydropyylthylllilose (hpmc) n'ime mmiri iji mepụta colroid, ma lelee ntụgharị ya. Thegbọ mmiri ahụ ka ukwuu, nke ka mma, na-egosi na enweghị ihe na-adịghị na ya. . Nkebi nke ihe dị ala na-adị mma dị mma, nke na-ahụkarị nke igwe kwụ ọtọ, mana ọ pụtaghị na ogo mmegharị vetikal dị mma karịa nke nke kwụ ọtọ, enwere ọtụtụ ihe iji chọpụta ogo ngwaahịa. (4) ike ndọda dịpụrụ adịpụ: ka buru ibu nke ike ndọda, dị mfe karịa. Nkọwapụta buru ibu, n'ozuzu n'ihi na ọdịnaya nke otu hydroxyppppyl dị na ya dị elu, na ọdịnaya nke otu hydroxyyl dị elu, njigide mmiri ka mma.
5. Gịnị bụ viscosity kwesịrị ekwesị nke hydroxypylthylthylthyl methylcelllose (hpmc)?
- A na - eji ntụ ntụ ntụ dị 100,000, na ihe ndị a chọrọ maka ọgba aghara dị elu, a chọrọ 150,000 Yuan Yuan dị mfe maka iji ya. Ọzọkwa, ọrụ kachasị mkpa nke HPMC bụ ebe nchekwa mmiri, ndị na-esochi ya. Na ntụ ntụ ntụ, ọ bụrụhaala na njigide mmiri dị mma na viscosis dị ala (70,000-80,000), ọ ga-ekwe omume. N'ezie, viscosity dị elu, ka mma ijikwa mmiri na-ekwupụta. Mgbe viscosit karịrị 100,000, viscosity ga-emetụta njide mmiri. Ọ bụghị ugbu a ọzọ.
6. Kedụ ihe bụ isi ihe ngosi nke hydroxypypyl methylcellose (hpmc)?
- A na - enwe nchegbu na viscosity na viscosity, ọtụtụ ndị ọrụ na-eche banyere ihe abụọ ndị a na-egosi. Ndị nwere ọdịnaya Hydroxypyl dị elu nwere njigide mmiri ka mma. Onye nwere viscosity dị elu nwere ebe nchekwa mmiri ka mma, ọ bụ na (ọ bụghị kpamkpam), na nke nwere nnukwu viscosis dị mma na-eji nke ọma na ngwa agha ciment.
7. Gini bu ihe eji eme ihe nke hydropopyl methylcellose (hpmc)?
- Azịza: Ihe bụ isi nke hydypyl methylcelllose (hpmc): ciusty oxide, soda, acropanol, withroopanol, wdg.
8. Gini bu oru nke ntinye nke hpmc na ntụ ntụ, ma ọ na-emekwa kemịkal?
- Na - agwọ ntụ ntụ, HPMC na-egwuri egwu atọ nke oke, njigide mmiri na owuwu. Thite: cellulose nwere ike ime ka ị kwụsịtụ ma mee ka edobe ya na ala, ma zoo. Njide mmiri: Mee ntụ ntụ ntụ ntụ na-eji nwayọọ nwayọọ, ma nyere aka calcium calcium ime ihe n'okpuru ihe mmiri. Ewu Ihe: Nwere mmetụta na - arụ ọrụ, nke nwere ike ime ka ntụ ntụ putty nwere ezigbo iwu. HPMC anaghị eso aka na kemịkal kemịkalụ ọ bụla, mana ọ bụ naanị na-arụ ọrụ inyeaka. Na-agbakwunye mmiri na ntụ ntụ ahụ ma tinye ya na mgbidi bụ mmeghachi omume ahụ, n'ihi na a na-akpụcha ihe ọhụrụ. Ọ bụrụ na ị wepu ntụ ntụ ntụ ahụ na mgbidi ahụ site na mgbidi ahụ, sie ya ntụ ntụ, ma jiri ya ọzọ, ọ gaghị arụ ọrụ n'ihi na calvate ọhụrụ). ) kwa. Ihe bụ isi nke Ash calcium bụ: ngwakọta nke ca (oh) 2, na-enye aka na mmiri na ikuku, ma esonyeghị mmeghachi omume ọ bụla. + onwe ya.
9. HPMC bụ ihe na-abụghị nke Iic cellulose ether, yabụ kedu nke na-abụghị ionic?
- Assanswer: Na usoro lainman, ndị na-abụghị ihe ndị na-abụghị ionize na mmiri. Ionization na-ezo aka na usoro a na-ejikọta electrolyte ebubo nwere ike ịkwaga n'enweghị nsogbu na ihe mgbaze (dịka mmiri, mmanya). Iji maa atụ, sodium chloride (Nacl), nnu anyị riri kwa ụbọchị, kụọ na mmiri na iontizes boro ebubo na-enweghị nsogbu (cloride boro ebubo na-adịghị mma. Nke ahụ bụ ikwu, mgbe etinye Hpmc na mmiri, ọ gaghị agbaze ya na eonddị e ji akwụ ụgwọ, mana dị n'ụdị molecules.
10. Gini bu ubochi gel nke hydropylhyl methylcellse metụtara?
- Generswer: Ọnọdụ okpomọkụ nke Hpmc metụtara ọdịnaya methoxy ya. Ala ala Methoxy ↓, ka elu gel.
11. Enwere mmekọrịta ọ bụla n'etiti mben putty na hpmc?
- Akpịrị ntụ ntụ nke usety ntụ ntụ bụ ọkachakọrọ na ogo nke Ash calcium, ma ọ nweghị ihe jikọrọ Hpmc. Ihe dị ala calcium dị ala nke agba ntụ na-ezighi ezi nke cao na ca (oh) 2 na calcium na-acha ntụ. Ọ bụrụ na ọ nwere ihe ị ga - eme HPMC, mgbe ahụ ọ bụrụ na HPMC nwere njide mmiri na - enwe ego, ọ ga - akpata ntụ ntụ.
12. Kedu ihe dị iche na ụdị mmiri oyi na ụdị ọkụ ọkụ na-ekpo ọkụ nke hydroxypylthylylllopy na usoro mmepụta?
- A na-eji Glyoxal na-emeso ya ngwa ngwa. Ọ bụ naanị nsị na mgbe viscosity na-abawanye. A na-eji Glyoxal na-eme ka ihe na-ekpo ọkụ. Ọ bụrụ na ego nke glyoxal buru ibu, ma vission ga-adị ngwa, mana viscosis ga-abawanye nwayọ, ma ọ bụrụ na ego ole dị obere, ihe dị iche na ya ga-abụ eziokwu.
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- HPMC usoro nke usoro ihe mgbatị ahụ na-eji toluene na Isopropananol dị ka ndị na-edozi. Ọ bụrụ na ịsa ahụ adịghị mma, a ga-enwe isi ebe obibi.
14. Etu ị ga - esi họrọ hydroxyylthylthylthylthylthylthylthyl (hpmc) maka ebumnuche dị iche iche?
- Acranswer: Ngwa nke ntụ ntụ: Ihe ndị a chọrọ dị ala, na viscosity bụ 100,000, nke zuru. Ihe dị mkpa bụ idobe mmiri nke ọma. Itinye ngwa agha: ihe ndị dị elu chọrọ, viocosity dị elu, 150,000 ka mma. Ngwa gluu: Ngwaahịa ngwa ngwa nwere viscosity dị elu.
15. Kedu aha ọzọ maka hydropyylthylthylthylthyl?
- Dydropopyylthyl methyl cellulose, Bekee: hydroxypyl Methyl Cellulose Ndekọ: HPMC ma ọ bụ MHPC AISS: hypromellose; Celdypyppropyylthyl ether; Hypromellose, cellosuse, 2-hydroxypyl methyl cellulose ether. Methyppypppppppylthyl ether hyplose.
16. Ngwa nke HPMC na ntụ ntụ, gịnị kpatara afụ na ntụ ntụ?
- Na - agwọ ntụ ntụ, HPMC na-egwuri egwu atọ nke oke, njigide mmiri na owuwu. Abanyela mmeghachi omume ọ bụla. Ihe kpatara eji eme ihe: 1. Tinye mmiri. 2. akwa oyi akwa akpọghị nkụ, kpoo ihe ọzọ dị n'elu, ọ dịkwa mfe ụfụfụ.
17. Gini bu ihe di n'ime HPMC na MC?
- Acswwer: Mc bụ methyth cellulose, nke a na-eme nke cellulose na-eme nụchara owu na alkali, jiri ọtụtụ mmeghachi omume, na ịga usoro mmeghachi omume. N'ozuzu, ogo nke nnọchi bụ 1.6 ~ 2.0, na solubity dịkwa iche na ogo dị iche iche nke dochie. Ọ bụ nke na-abụghị ionic ether.
(1) Ndozi mmiri nke methyl cellulose na-adabere na mgbakwunye ya, viscosity, urughuru na ọnụego ya. N'ozuzu, ọ bụrụ na mgbakwunye ego buru ibu, ọ dị obere, na viscosis buru ibu, ọnụ ọgụgụ njigide mmiri dị elu. N'etiti ha, ego nke mgbakwunye nwere mmetụta kachasị ukwuu na ụzọ mbelata mmiri, yana ọkwa viscosity abụghị nke dabara na ọkwa nke mmiri iji. Ọnụego mgbasa efe si na-adabere na ogo mgbanwe nke mkpụrụ osisi cellulose na urughuru. N'etiti ndị dị n'elu Cellers dị n'elu, methyl cellulose na hydroxyl methyl methyl cellulose nwere ọnụego mmiri dị elu.
(2) Methylcellose na-soluble na mmiri oyi, ọ ga-esikwa ike ịgbari na mmiri ọkụ. Ngwọta ya dị oke mma na mpaghara PH = 3 ~ 12. Ọ nwere ezigbo ndakọrịta na stachi, Guar chịm, wdg na ọtụtụ fromsactants. Mgbe ọnọdụ okpomọkụ na-erute okpomọkụ ahụ, gelation emee.
(3) Mgbanwe na ọnọdụ okpomọkụ ga-emetụta oke mmiri nke methyl cellulose. N'ozuzu, elu okpomọkụ, nke na-akacha njọ mmiri. Ọ bụrụ na mgbochi okpomọkụ karịrị 40 Celsius C, njigide mmiri nke methy cellulose ga-ebelata, na-emetụta owuwe ihe nke ngwa agha.
(4) methyl cellulose nwere mmetụta dị ukwuu na owuwu na ngwa agha. "Adhesion" ebe a na-ezo aka na ike ọrụ dị n'etiti ngwaọrụ ndị ọrụ onye ọrụ na mkpụrụ mgbidi, ya bụ, na-emegide ya na ngwa agha nke ngwa agha. Ndozi ahụ dị elu, nke a na-achọ ka ndị ọrụ na-ahụ maka ọrụ buru ibu, na owuru arụ ọrụ nke ngwa agha ahụ dara ogbenye. Methyl Cellulose na-eme na ọkwa na-agafe agafe ngwaahịa ether.
HPMC bụ hydropyyl methylcelllose, nke bụ mkpụrụ ndụ cellulose mere site na owu nụchara anụcha, na-eji propylene chloride dị ka ndị ọrụ iwe, na usoro mmeghachi omume. Ogo nke dochie anya ya bụ 1.2 ~ 2.0. Njirimara ya dị iche n'ihi ogo dị iche iche nke methoxy na ọdịnaya mmiri hydroxypypyl.
(1) hydroxypylthylththththyth na-agbanye mmiri oyi, ọ ga-ezute ihe isi ike na mmiri ọkụ. Ma ọnọdụ okpomoku ya na mmiri ọkụ dị elu karịa nke methy cellulose. A na-akwalitekwa ngụgụ na mmiri oyi na-akwalite ya na methy cellulose.
(2) viscosity nke hydroxyl Methylcelllose metụtara oke molecular ya, na ibu oke molecular ibu, onye dị elu na viscosity. Ọnọdụ okpomọkụ na-emetụtakwa viscosity ya, dị ka ọnọdụ okpomọkụ na-abawanye, viscese belata. Agbanyeghị, viscosity ya dị elu nwere obere okpomọkụ karịa methy cellulose. Ngwọta ya kwụsiri ike mgbe echekwara na ụlọ okpomọkụ.
(3) hydropopyythylthylthylthylcellose bụ ọkaibe na Ackali na Alkali, na Ngwọta ya dị oke mma na oke nke ph = 2 ~ 12. Saustic Sọsda na Wayo Waime enweghị obere mmetụta na arụmọrụ ya, mana alkali nwere ike ime ka ọpụpụ ya ma mee ka ọ dịkwuo ọhụrụ. Hydroxypyl Methylcellose bụ nkwụsi ike na nnu, ma mgbe ịta nke nnu dị elu, viscosity hydroxypyl methylcellopy na-abawanye.
(4) Ndobe mmiri nke hydropyythylthythyth na-adabere na mgbakwunye ya, viscosity, na -achi anya ya n'okpuru otu mgbakwunye ahụ dị elu karịa nke methy cellulose.
(5) hydroxyppropyythylthylthyl na-eji ọgwụ polmer na-adọkpụ na-etolite iji mepụta otu unifort na usoro visinity dị elu. Dị ka mmanya polyvinyl, stachi ether, ihe oriri na akwukwo nri, wdg.
(6) Nchọpụta nke hydroxypylthlthylthylcelllose ka ịgba ọkụ dị elu karịa nke methylcelllose.
(7) hydropopyythlthylthylthylcelllose nwere ike iguzogide elu karịa methylcellose, na ihe ngwọta ya agaghị emebi emebi site na enzymes karịa methylcelllose.
18. Gịnị ka a ga-elebara anya na ngwa nke mmekọrịta na ọnọdụ okpomọkụ HPMC?
- viscosity nke HPMC bụ ihe na-emetụta okpomọkụ ahụ, nke ahụ bụ ikwu, viscosity na-abawanye ka ọnọdụ okpomọkụ na-agbadata. Ọrịa nke ngwaahịa anyị na-abụkarị na-ezo aka na-egosi nsonaazụ ule nke 2% omdị ya na okpomọkụ nke ogo 20 Celsius.
N'ime ngwa bara uru, a ga-ahụ ya na mpaghara nwere nnukwu ọdịiche dị n'etiti oge ọkọchị na udu mmiri, a na-atụ aro iji ihe viccosity dị ala na oge oyi, nke na-adọrọ mmasị ịhazi. Ma ọ bụghị ya, mgbe ọnọdụ okpomọkụ dị ala, viscosity nke selluse ga-abawanye, aka ga-adịkwa oke mgbe ị scraping.
Ọkara viscosity: 75000-100000 na-eji Putty.
Ihe kpatara: ezigbo njide mmiri.
Nnukwu viscosity: 150000-200000 na-ejikarị maka polystyrene na-eme ka ihe mkpuchi mkpuchi mkpuchi mkpuchi mkpuchi mkpuchi ikuku.
Ihe kpatara ya: Ọ dịghị mfe ịdaba mfe, kpọgidere ya, ma melite owuwu.
Ma n'ozuzu ikwu okwu, viscosity dị elu, ka mma njigide mmiri ka mma. Ya mere, ịtụle ọnụ ahịa ahụ, ngwa ngwa ntụ ntụ ntụ na-eji dochie ọnya na obere celsilose (20000-40000) na virus celcosise (20000-40000) iji belata mgbakwunye. .
Oge post: Feb-21-2025