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- A na - eji HPMC mee ihe n'ọtụtụ ụlọ, mkpuchi resins, commictik, ọgwụ, ihe oriri, ihe ịchọ mma, ụtaba na ndị ọzọ ọrụ. Enwere ike kee HPMC na: ọkwa owuwu, ọkwa nri na ọkwa ọgwụ dị ka ebumnuche. Ugbu a, ọtụtụ n'ime ngwaahịa ụlọ na-ewu ụlọ. N'ime ọkwa ihe owuwu ahụ, ntụ ọka ube dị oke ibu, ihe dị ka 90% na-eji ntụ ntụ putty, a na-eji ndị ọzọ mee ihe maka mịrị ciment na gluu.
2. E nwere ọtụtụ ụdị Hydypyl Methylcelllose (HPMC), gịnịkwa bụ ọdịiche na ojiji ha?
- A ga - ekewa HPMC n'ime ụdị ngwa ngwa na ụdị na - ekpo ọkụ. Ngwaahịa ngwa ngwa na-achụsa ngwa ngwa na mmiri oyi ma pụọ n'ime mmiri. N'oge a, mmiri mmiri enweghị viscosity, n'ihi na a na-agbasa HPMC naanị na mmiri na enweghị ezigbo mgbasa. Mgbe ihe dị ka nkeji abụọ gasịrị, viscosity nke mmiri mmiri na-akawanye ụba, na-akpụzi colnoid. Ngwaahịa na-ekpo ọkụ na ngwaahịa, mgbe ị na-ezute mmiri oyi, enwere ike chụpụ mmiri oyi, na mmiri ọkụ ma pụọ na mmiri ọkụ. Mgbe ọnọdụ okpomọkụ dakwasịrị ụfọdụ okpomọkụ, viscosity ji nwayọ na-egosi ruo mgbe e guzobere. Enwere ike iji ụdị na-ekpo ọkụ na-ekpo ọkụ na ntụ ntụ. Na gluu mmiri na agba, phenomenon ga-eme ma enweghị ike iji ya. Ụdị ngwa ngwa nwere ọtụtụ ngwa. Enwere ike iji ya na ntụ ntụ na ngwa agha, yana gluu mmiri ma na-ese, na-enweghị contraindications ọ bụla.
3. Gini bu uzo uzo nke hydropylthlthylthyl?
- A ga-ewepụrịrị HPMC mmiri: Ebe ọ bụ na HPMC anaghị agbaze na mmiri ọkụ, HPMC nwere ike ịgbasa na mmiri ọkụ na ọkwa mbụ, wee kpochaa ya ngwa ngwa. 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. A na-agbakwunye hydroxyl Methylcellose bụ nke nta nke na-akpali akpali, na mbụ HPMC na-ese n'elu mmiri, ma jiri nwayọ guzobe slurry, nke a na-eji nwayọọ gboo, nke dị mma na-akpali.
2), tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa ahụ, ma kpoo ya 70 Celsius C, si kwuo hpmc, kwadebe mmiri ọkụ slurry; Mgbe ahụ, gbakwunye mmiri ndị fọdụrụ na mmiri oyi na mmiri ọkụ na slurry, a na-ajụkọta ngwakọta ahụ mgbe ọ na-akpali.
Etie nri ntụ ntụ: gwakọta hpmc ntụ ntụ, gwakọta ya na igwe igwe, wee tinye hpmc ọnụ, n'ihi na enwere ntakịrị hpmc na obere obere obere obere. Ntụ ntụ ga-agbari ozugbo na mmiri. - eji ntụ ntụ ntụ ntụ na ndị na - emepụta ngwa agha. [Hydroxypylthylthylcelllose (HPMC) dị ka oke na mmiri na-ejigide na ngwa agha ntụ ntụ. ]
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 onye na-eme ihe na mmepụta ya, ọ ga-emetụta oke ya. Agbanyeghị, ọtụtụ n'ime ezigbo ngwaahịa nwere ezigbo ọcha. (2) Finally: fixons nke Hpmc na-abụkarị 150 na 100 ndebe, na 120 na-erughị. Ọtụtụ n'ime HPMC mepụtara na Hebei bụ 80. Ihe kachasị mma, ọ ka mma. (3) Transmittance: Tinye hydropyylthyl methylcellose (hpmc) na mmiri iji mepụta colloid, ma lelee mbugharị ya. Ntinye aka dị elu, nke ka mma, na-egosi na enweghị ihe ndị na-enweghị nsogbu na ya. Nkebi nke igwe kwụ ọtọ dị mma bụ ihe ọma dị mma, ma enweghị ike ikwu na ịdị mma nke igwe kwụ ọtọ dị mma karịa nke nke kwụ ọtọ, enwere ọtụtụ ihe na-ekpebi ogo ngwaahịa. (4) ike ndọda dịpụrụ adịpụ: ka buru ibu nke ike ndọda, dị mfe karịa. Ihe ndọda dị iche iche buru ibu, n'ozuzu n'ihi na ọdịnaya hydroxypyl dị na ya dị elu, na ụdị mmiri hydroxyl dị elu, ebe njigide mmiri ahụ dị elu.
5. Onu ogugu nke hydropylthylthylthylthllose (hpmc) na ntụ ntụ?
- Onu ogugu nke hpmc ji na ngwa bara uru di iche iche dabere na ihu igwe, okpomoku, obodo ash calcium dị mma na "ogo ndị ahịa chọrọ". N'ikwu ya n'ozuzu, ọ dị n'etiti 4 n'arọ na 5 n'arọ. Iji maa atụ, imirikiti ntụ ntụ ahụ dị na Beijing bụ 5 n'arọ; Imirikiti ntụ ntụ ahụ na Guizhou bụ 5 n'arọ na ọkọchị na 4.5 n'arọ n'oge oyi;
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- A na - eji ntụ ntụ ntụ dị 100,000 yuan, ngwa agha ahụ na - achọkarị, ọ dịkwa mfe iji na 150,000 Yuan. Ọzọkwa, ọrụ kachasị mkpa nke HPMC bụ ijigide mmiri, nke ndị na-esochi ya. Na ntụ ntụ ntụ, ọ bụrụhaala na njigide mmiri dị mma na vissity dị ala (70,000-80,000), ọ ga-ekwe omume. N'ezie, viscosity dị elu, yana njigide mmiri dị mma ka mma. Mgbe viscosite karịrị 100,000, mmetụta nke viscosit na njigide mmiri abụghị ihe dị ukwuu.
7. Gini bu ihe ngosi nka nke hydropylthylthyl (hpmc)?
- Assanswer: ihe na - eme ihe na - enwe na viscosity, ọtụtụ ndị ọrụ na - eche banyere ihe abụọ ndị a na - egosi. Ihe dị elu na-eme ihe hydroxypyl, mma njigide mmiri. Nnukwu viscosity, njigide mmiri, kama ịdịtụ (ma ọ bụghị na viscosisse dị elu, na-ejikwa cent.
8. Gini bu ihe eji eme ihe nke hydroxylthylthyl methylcellose (hpmc)?
- A: Ihe ndị bụ isi nke hydropyythyl methylcelllose (hpmc): cimpy chloride, ihe ndị ọzọ akụrụngwa gụnyere flake alkali, acid, tolopofananol, wdg.
9. Gịnị bụ ọrụ bụ isi nke HPMC na ntinye nke ntụ ntụ, ma ọ nwere onwu?
- HPMC nwere ọrụ atọ nke ndị na-eme mkpọtụ, njigide mmiri na owuwu na ntụ ntụ. THER :: cellulose nwere ike ime ka ị kwụsịtụ, mee ka edo edo na-agbanwe agbanwe ma na-agbanwe agbanwe, ma na-ajụ itigharị. Njide mmiri: Mee ntụ ntụ ntụ ntụ na nwayọ, ma nyere aka na mmeghachi omume nke calcium na-eme ihe n'okpuru ihe mmiri. Gburugburu: cellulose nwere oke utụ, nke nwere ike ịme ntụ ntụ e ji arụ ọrụ dị mma. HPMC anaghị esonye na kemịkalụ kemịkalụ ọ bụla ma na-arụ ọrụ inyeaka. Na-agbakwunye mmiri na ntụ ntụ ntụ ma tinye ya na mgbidi bụ mmeghachi omume kemịkal. N'ihi ihe ọ bụla nke ihe ọhụrụ, were ntụ ntụ ntụ ntụ ahụ n'elu mgbidi ahụ, gbazee ya ntụ ntụ, ma jiri ya ọzọ. Ọ gaghị arụ ọrụ, n'ihi na ihe ọhụrụ ọhụrụ (carbonate calbonate) emeela. ) elu. Ihe bụ isi nke Ash calcium bụ: ngwakọta nke ca (oh) 2, na-ejigide na-emegharị mmiri ma na-eme ka mmeghachi omume dị mma, ma na-esoghị mmeghachi omume ọ bụla. + onwe ya.
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- Azịza: Na usoro nke lainman, ndị na - abụghị ihe ndị mmadụ na - abụghị ionize na mmiri. Ionization na-ezo aka na usoro a na-akpọlata na ethrolyte ebubo na-agagharị na-agagharị na-agba ọsọ na ihe mgbaze (dị ka mmiri, mmanya). Iji maa atụ, sodium chloride (Nacl), nnu na-eri kwa ụbọchị, na-etinye mmiri na ionizes na-agagharị na-agagharị na nke ọma, nke a na-akwụkwa ụgwọ. Nke ahụ bụ, mgbe etinye HPMC na mmiri, ọ naghị akwa ikosị ya na eonddị e ji akwụ ụgwọ.
11. Gini bu gel okpomọkụ nke hydypypyl methylcellse metụtara?
A: A na-ahụ maka okpomoku gpmc nke Hpmc nwere ọdịnaya methoxy ya, belata methoxy ọdịnaya ↓, elu gel okpomọkụ ↑.
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- An ntụ ntụ nke user na-eme ka ọ bụrụ ihe metụtara ogo nke Ash calcium, ma ọ nweghị ihe jikọrọ Hpmc. Ọdịnaya calcium dị ala nke Ash calcium na-ekwesịghị ekwesị nke cao na ca (oh) 2 na ash calcium ga-eme ka ntụ ntụ mmiri. Ọ bụrụ na ọ nwere ihe ị ga - eme HPMC, mgbe ahụ, njigide mmiri mmiri nke HPMC ga - akpata ntụ ntụ. Maka ebumnuche doro anya, biko rụtụ aka na ajụjụ 9.
13. Gini bu ihe di iche na udiri mmiri oyi na ụdị soluble nke hydropyythylthyllilose na usoro mmepụta?
- A na-eji ọgwụ oyi na-emeso ya na glioxal ngwa ngwa. Mgbe viscosit ride, etisasịwo ya. A na-eji ọkụ na-ekpo ọkụ na-ekpo ọkụ. Ọ bụrụ na ọnụ ọgụgụ nke glyoxal buru ibu, ma viscins ga-adị ngwa, mana viscosity ga-abawanye nwayọ, na nke ọzọ ga-abụ obere glyxal pere mpe.
14. Gini bu isi nke hydropyl methylcellose (hpmc)?
- HPMC nke usoro mgbatị ahụ mepụtara site na usoro ihe mgbatị ahụ na-eji toluene na Isropropanol dị ka ihe mgbaze. Ọ bụrụ na ịsa ahụ adịghị mma nke ukwuu, a ga-enwetụ uto.
15. Etu ị ga-ahọrọ Hydypypyl Methylcellose (HPMC) maka ebumnuche dị iche iche?
- Achịcha ntụ ntụ: Ihe ndị a chọrọ dị ala, viscosity dị 100,000, o zuru oke, ihe dị mkpa bụ idebe mmiri ahụ nke ọma. Itinye ngwa agha: ihe ndị dị elu chọrọ, viscosity dị elu, 150,000 ka mma. Ngwa gluu: chọrọ ngwaahịa ozugbo, viscosity dị elu.
16. Gịnị bụ utu aha hydroxypylthylthylthylthylthyl
- Dydropopyylthyl methyl cellulose, Bekee: hydroxypyl Methyl Cellulose Ndekọ: HPMC ma ọ bụ MHPC AISS: hypromellose; Celdypyppropyylthyl ether; Hypromellose, cellosuse, 2-hydroxylmethylmethylthylthyyl sel cellulose ether. Methyppypppppppylthyl ether hyplose.
17. Ngwa nke HPMC na ntụ ntụ, gịnị kpatara afụfụ na ntụ ntụ?
- HPMC nwere ọrụ atọ nke ndị na-eme mkpọtụ, njigide mmiri na owuwu na ntụ ntụ. Esonyeghị mmeghachi omume ọ bụla. Ihe kpatara eji eme ihe: 1. A na-etinye ọtụtụ mmiri. 2. akwa oyi akwa akpọghị nkụ, kpoo ihe ọzọ dị n'elu, ọ dịkwa mfe ụfụfụ.
18. Kedu usoro nke ntụ ntụ ma sie na mgbidi mpụga?
- Acarswer
Mpaghara Mpaghara Nkịtị
19. Gini bu ihe di iche na HPMC na MC?
A: Mc bụ Methy Cellulose, nke a na-eme site na ịgwọ ọrịa alkali na-achachara anya, na-eji metkane chlorinated dị ka onye na-elekọta ehura site na usoro mmeghachi omume. N'ozuzu, ogo nke nnọchi bụ 1.6 ~ 2.0, na solubity dịkwa iche na ogo dị iche iche nke dochie. Bụ nke na-abụghị Ionic sel.
(1) Ndozi mmiri nke methyl cellulose na-adabere na mgbakwunye ya, viscosity, urughuru na ọnụego ya. N'ozuzu, ọ bụrụ na ego nke mgbakwunye buru ibu, nsị nke pere mpe, 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 kwekọrọ n'ọkwa mmiri. Ọnụego mgbasa efe si na-adabere na ogo mgbanwe nke mkpụrụ osisi kulitu na ịdị mma nke irighiri ihe. 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, ma sie ike na mmiri oyi, na ihe o mere nke ọma kwụsie ike na nso nke ph = 3 ~ 12. Ọ nwere ezigbo ndakọrịta na stachi, Guar chịm, wdg na ọtụtụ fromsactants. Mgbe ọnọdụ okpomọkụ na-erute okpomọkụ ahụ, ihe ịtụnanya nke gelation pụtara.
(3) Mgbanwe nke 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 methyl cellulose ga-nnọọ njọ, nke ga-emetụta ọrụ nke ngwa agha.
(4) methyl cellulose nwere mmetụta dị ukwuu na ọrụ na ngwa agha. "Addsion" ebe a na-ezo aka na ngwa ọrụ ngwa ọrụ onye ọrụ ọrụ na mkpụrụ mgbidi, nke ahụ bụ, na-emegide ya na ngwa agha nke ngwa agha. Ndozi ahụ buru ibu, nke a na-enwe na-eguzogide nke ngwa agha buru ibu, ike nke ndị ọrụ na-ahụ maka usoro iji buru ibu, yana owu ihe agha ahụ dara ogbenye. Ngwakọta methylcellose dị na ọkwa dị mma na ngwaahịa ether cellulose.
HPMC bụ hydropyylthylthyl methyl cellulose, nke usoro mmeghachi ahụ na-eme kwadebere akwa akwadebechara akwa ajị anụ ahụ, na-eji propylene oxide na methylch chloride dị ka ndị isi. Ogo nke dochie anya ya bụ 1.2 ruo 2.0. Njirimara ya dịgasị iche dabere na ọnụ ọgụgụ Methoxyl na ọdịnaya hydroxypypyl.
(1) hydroxypylthylthyl na-agbanye mmiri na mmiri oyi, mana 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 mmiri oyi na-akwalite ya na methy cellulose.
(2) hydropodylthylthylthylcellose bụ ọkaibe na Ackali na Alkali, na Ngwọta ya bụ nke kwụsiri ike na nso nke ph = 2 ~ 12. Saustic soda na mmiri lime enweghị obere mmetụta na arụmọrụ ya, mana alkali nwere ike ịpụpụ na mgbasa ya ma nwekwuo viscosise. Hydroxypylthylthylcelllose bụ nkwụsi ike na nnu, ma mgbe ịta nke nnu dị elu, viscosis nke hydyplopyy ulee na-abawanye.
(3) hydypropyythylthythythyth na-eji ọgwụ polmer na-adọkpụ mkpụrụ osisi na-etolite iji mepụta ihe ngwọta ya na ụdị dị elu. Dị ka mmanya polyvinyl, stachi ether, ihe oriri na akwukwo nri, wdg.
(4) Nchọpụta nke hydroxypylthylthylcelllose na-aga agha dị elu karịa nke methylcellose.
(5) hydroxylthylthylthylthylcelllose nwere ike iguzogide ya karịa methylcellose, na ihe ngwọta ya na-emebi emebi na-adị ala karịa nke methylcelllose.
20. Gịnị kwesịrị ị toa ntị na ntinye aka dị n'etiti viscosise na ọnọdụ okpomọkụ HPMC?
- vissiosis nke HPMC bụ ihe na-eme ka ọnọdụ okpomọkụ, nke ahụ bụ, viscosity na-abawanye ka ọnọdụ okpomọkụ na-ebelata. Anyị na-ezokarị viscosity nke ngwaahịa, nke na-ezo aka na ule nnwale nke 2% oques 20 ogo Celsius 20.
N'ime ihe ndị dị mma, na mpaghara nwere nnukwu ọdịiche dị n'etiti oge ọkọchị na udu mmiri, a ga-atụ aro na ọ na-atụ aro ka ọ rụọ ọrụ dị ala na oge oyi, nke na-adọrọ mmasị ịhazi. Ma ọ bụghị ya, mgbe ọnọdụ okpomọkụ dị ala, viscosity nke cellose ga-abawanye, ma mgbe a na-asụgharị ya, aka ga-abụ nke dị arọ.
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: visshosis dị elu, ngwa agha adịghị mfe ịda, sag, ma melite owuwu ahụ.
Ma n'ozuzu, viscosity dị elu, mma njigide mmiri. Ya mere, ọtụtụ ngwa ngwa ngwa ngwa tụlere ọnụ ahịa ma dochie ọnya na ala ala (20000,000) na viscosise viocosise (75000-100000) iji belata mgbakwunye. .
Oge post: Feb-20-2025