Ngwọta HPMC

1, gịnị bụ isi iji hydropyylthyl methyl cellulose (hpmc)?

Azịza:HpmcA na-ejikarị ya rụọ ebe a na-arụ ọrụ, mkpuchi, resins, commictics, ọgwụ, ihe oriri, ihe oriri, ọrụ ugbo, ụtaba na ụlọ ọrụ ndị ọzọ. Enwere ike kee HPMC na: ọkwa ụlọ, ọkwa nri na ọkwa ahụike dị ka iji ya. N'ihe dị larịị bụ ọkwa a na-ewu ewu, na ọkwa owuwu, ọnụ ntụ ntụ ntụ, ihe dị ka 90% na-eme ntụ ntụ ntụ, a na-eji ihe ndị ọzọ mee ihe na-eme ihe mgbochi na gluu.

2, a na-ekewa hydroxyl methyl Cellulose (Hpmc) na-ekewa ọtụtụ ụdị, gịnị bụ ọdịiche dị n'etiti ojiji ya?

Azịza: Enwere ike kee HPMC ahụ n'ime ngwa ngwa ngwa ngwa, na mmiri ngwa ngwa, n'oge a, mmiri anaghị agbasasị na mmiri, enweghị ezigbo mgbasa. Ihe dị ka nkeji 2, viscosity nke mmiri mmiri na-eji nwayọọ nwayọọ na-abawanye, na-akpụzi colnoid. Okpomọkụ na-agbanye ngwaahịa, na mmiri oyi mmiri, nwere ike ịbụ na mmiri ọkụ, a chụsasịrị mmiri ọkụ, na-apụ apụ ngwa ngwa, ruo mgbe ọnọdụ okpomọkụ na-apụta, ruo mgbe e guzobere nke transcount Volcious. Enwere ike iji ụdị sọọsụ na-acha odo odo na ngwa agha, na gluu gluu na mkpuchi, nwere ike ịpụta aggmeral penomenon, enweghị ike iji Aggmenal Penomenon. Ihe atụ ozugbo, ngwa ngwa bụ obere wider, na-agwụ ike na nwa ntụ ntụ na ngwa agha, na mmiri gluu na mkpuchi, enwere ike iji ya mee ihe, enweghị ihe tadoo.

3, hydroxypylthyl methyl cellulose (HPMC) nwere ndị ahụ?

- Azịza: Mmiri ọkụ na-ekpo ọkụ: N'ihi na hpmc anaghị agbasa na mmiri ọkụ, yabụ na-akọwagharị HPMC na mmiri ọkụ, wee kọwaa ngwa ngwa, a na-akọwa usoro abụọ dị ka ndị a:

1) jupụta akpa ahụ na mmiri ọkụ dị ka ịchọrọ ma kpoo ya ruo ihe dịka 70 ℃. Hydroxypylthylthyl methyl cellulose na-eji nke nta nke nta nke na-eji nwayọ, na HPMC na-ese n'elu mmiri, wee jiri nwayọ na-etolite, nke a na-ajụ oyi n'okpuru.

2) Tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa ma kpoo ya 70 ℃. Chụsasịrị hpmc dị ka usoro 1) iji dozie mmiri ọkụ slurry; Mgbe ahụ, gbakwunye mmiri oyi fọdụrụ na mmiri ọkụ slurry ma dị jụụ ma jụọ oyi.

Ngwakọta agwakọta nụ ntụ ntụ na ọnụ ọgụgụ buru ibu na nnukwu ihe ndị ọzọ na -esi mma, na n'oge a, agglomerate, n'ihi na obere nku ntụ ntụ, mmiri hpmc, mmiri ga-agbari ozugbo. - Pusi ike ntụ ntụ na ngwa agha na-eji usoro a. [Hydroxypyl Methyl Cellulose (HPMC) Ejirila ya dị ka onye na-echebe na mmiri na-ejigide onye na-echekwa na ngwa agha.

4, otu esi ekpebi ịdị mma nke hydropyylthyl methyl cellulose (hpmc) na kensi ike?

Azịza: (1) White "Whiteness: Ọ bụ ezie na ọcha enweghị ike ikpebi ma Hpmc dị mma, ọ bụrụ na agbakwunye ya na mmepụta usoro na-emepụta ya, ga-emetụta ya mma. Agbanyeghị, ọtụtụ ezigbo ngwaahịa nwere ezigbo ọcha. (2) Finalment: HPMC Finneness na-abụkarị 150 mesh na 100 na-erughị, Hubei Hpmc nke ukwuu 80 ntupu, na-ekwu maka ịdị mma, karịa. (3) TransmitTythylthyl methyl celluse (HPMC) n'ime mmiri, guzobe ya, ụtụ ahụ ka ukwuu, na-egbochi ihe dị n'ime. Nbugharị nke ụlọ ọrụ kwụ ọtọ bụ ihe dị mma, nke kwụ ọtọ na nke kwụ ọtọ, mana ọ pụtaghị na ogo mmepụta nke vetikal dị mma karịa nke na-akwụ ụgwọ. Enwere ọtụtụ ihe iji chọpụta ogo ngwaahịa a. (4) Ntụkota: ibu nke buru ibu, nke ka mma. Karịa isi, n'ihi na n'ime ọdịnaya nke hydroxyl dị elu bụ nke dị elu, ihe na-eme ihe na-eme ka ọ dị elu.

5, Hydroxypppyl Methyl Cellulose (HPMC) Ọ dabara adaba?

- Azịza: Jiri otu narị otu narị, ụfọdụ ndị chọrọ ka ha jiri ihe dị ka puku iri na otu. Ọzọkwa, HPMC bụ ọrụ kachasị mkpa nke njigide mmiri, nke ndị na-esokwa. Na ntụ ntụ, ọ bụrụhaala na njigide mmiri dị mma, viscosis dị ala (7-80 puku), ọ ga-ekwe omume, njigide mmiri dị mma karịa, mgbe viscosis dị ka karịa 100 puku, viscosity nke ijide mmiri abụghị nke ukwuu.

6, Hydroxyppyl Methyl Cellulose (HPMC) Gini bu ndi isi ihe ndi ozo? .

Azịza: Ọdịnaya Hydroxypyl na viscosity, ọtụtụ ndị ọrụ na-eche banyere ihe abụọ ndị a na-egosi. Ọdịnaya Hydroxypyl dị elu, njigide mmiri na-aka mma. Visatydị viscosity, njigide mmiri, onye ikwu (mana ọ bụghị zuru oke) dịkwa mma, na victose, ngwa agha ciment ka mma iji ụfọdụ.

7, Hydroxyppyl Methyl Cellulose (HPMC) Gini bu ihe eji eme ihe?

Azịza: Hydroxypyl Methyl Cellulose (HPMC) akụrụngwa: CPOTETENEENTEENTEENTI, mbadamba ihe ndị ọzọ, acropropyy na-aba n'anya na ndị ọzọ.

8, HPMC na ntinye nke ntụ ntụ, isi ọrụ, ma ihe omume onwu na-eme?

Azịza: HPMC na ntụ ntụ, na-eto, mmiri na-arụ ọrụ atọ. Ndị na-eme: cellulose nwere ike ime ka ọ kwụsị ịgbachitere, nke mere na a ga - ejikọ ya na ọrụ nke mgbochi na - egbochi. Njide mmiri: Mee ntụ ntụ putty kpọnwụrụ nwayọọ nwayọọ, AUXIMARY Gress calcium na usoro mmeghachi omume. Ihe owuwu: lubrication lubrication, nwere ike ime ka ntụ ntụ putty nwere ezigbo ihe owuwu. HPMC anaghị eso na mmeghachi omume kemịkalụ ọ bụla, mana ọ bụ naanị na-arụ ọrụ na-akwado. A na-emegharị ntụ ntụ na mmiri, na mgbidi, na-emeghachi ahụ kemịkalụ, n'ihi ọgbọ nke ntụ ntụ, ma jiri ya mee ihe, n'ihi na ọ bụghị ihe ọhụrụ (calvaum carbonate). Ihe mejupụtara isi ajị agba agba agba agba agba agba agba agba agba agba agba agba agba 2, cao + h2o + H2O + 2 + H2O Grussium na Mmiri na ikuku n'okpuru ihe CO2, caltonium carbonate, na naanị mmiri hpmc, nyere aka nke actim aciaum mma, nke ya esoghị mmeghachi omume ọ bụla.

9.hpMC na-abụghị nke Ionic na-abụghị IEH, yabụ kedu nke na-abụghị ionic?

A: Na-ekwu okwu n'ozuzu, ndị na-abụghị ihe ndị mmadụ na-anaghị eize n'ime mmiri. Ionition bụ mkpọchi electrolyte n'ime eond na-agba ọsọ na ebubo akwụghị ụgwọ na ihe mgbaze, dị ka mmiri ma ọ bụ mmanya ma ọ bụ mmanya. Iji maa atụ, nnu anyị riri kwa ụbọchị - sodium chloride (Nacl) etinyere na mmiri na ionizes mepụta sodium eons (na +) na-akwụ ụgwọ na-adịghị mma. Nke ahụ bụ, HPMC na mmiri anaghị akwanarị ya na eond e ji ya mee ihe, ma dị ka ụmụ irighiri mmiri.

10. Gịnị metụtara Gel na GEL nke Hydropyythyl Methyl Cellulose?

- Azịza: The gel okpomọkụ nkeHpmcmetụtara ọdịnaya methoxy, ala ala methoxylylyl ↓, ka elu gel.

11, patty ntụ ntụ na HPMC Enweghị mmekọrịta?

Azịza: Ntụ ntụ ntụ ntụ ntụ ntụ ntụ ntụ ntụ ntụ ntụ ntụ na us calcium dị mma nwere mmekọrịta dị ukwuu, na HPMC enweghị mmekọrịta dị oke egwu. Ọdịnaya calcium dị ala na nke na-ezighi ezi nke cao na ca (oh) 2 na calcium na-agbada. Ọ bụrụ na enwere obere mmekọrịta na HPMC, mgbe ahụ, njide mmiri HPMC dara ogbenye, ga-akpatakwa ntụ ntụ.

12, Hydroxypyl Methyl Cellulose mmiri mmiri na-ajụ ma na-ekpo ọkụ soluble na usoro mmepụta nke ihe dị iche?

- Azịza: HPMC oyi na-ajụ oyi maka ọgwụgwọ dị elu, tinye na mmiri oyi, na-etinye na mmiri oyi chụsasịrị ngwa ngwa, mana anaghị agbaze n'ezie, viscosity, victoset, victoset, victoset, victosed, victoset, ka etisasịwo. A na-ejikọ ụdị ọkụ ahụ na glyoxal. Ọnụ ego nke glyoxal buru ibu, ma viscissity dị ngwa, mana viscosity adịghị nwayọ, ego ole pere mpe, na ntụle.

13, Hydroxypyl Methyl Cellulose (HPMC) Know bụ etu ọ dị?

- Azịza. Ọ bụrụ na ịsa ahụ adịghị mma nke ukwuu, a ga-enwetụ uto.

14, ojiji dị iche iche, otu esi ahọpụta nri aka nri hydroxypyl methyl cellulose (hpmc)?

- Azịza: Mee ike nke ntụ ntụ: Ihe achọrọ dị ala, ihe dị ka narị puku vissity 100 puku, ọ dị mkpa iji kpuchido mmiri ka ọ bịa. Ngwa ngwa ngwa: ihe ndị dị elu chọrọ, Visity dị elu achọrọ, 150 puku ka ọ ka mma. Ngwa gluu: Mkpa maka ngwaahịa ngwa ngwa, viocosity dị elu.

15.Ghat bu utu aha nke hydroxypyl methyl cellulose?

- Azịza: Hydroxypyl methyl cellulose, ndebiri dị ka HPMC ma ọ bụ MHPC ma ọ bụ Hydroxyl Methyl Cellulose; Celdypyppropyylthyl ether; Hypromellose, cellosuse, 2-hydroxypyl methyl cellulose ether.

16.hpmc na ntinye nke ube use, utụ a na-afụ kpatara ya?

Azịza: HPMC na ntụ ntụ, na-eto, mmiri na-arụ ọrụ atọ. Esonyeghi mmeghachi omume ọ bụla. Ihe na-akpata egosipụta: 1, mmiri dị ukwuu. 2, ala ahụ anaghị akpọ nkụ, n'elu nke scraping oyi akwa, dịkwa mfe ọnya ọnya.

17. Kedu ihe dị iche na HPMC na MC?

- Azịza: Mc bụ Methy Cellulose, nke a na-eme nke sel site na usoro mmeghachi omume na methane chloride dị ka nke a na-emegharị na alkali. N'ozuzu, ogo nke nnọchi bụ 1.6 ~ 2.0, na njado dị iche na ogo nke nnọchi. Bụ nke na-abụghị sellulose ether.

(1) Ndozi mmiri nke methyl cellulose na-adabere na mgbakwunye ya, viscosity, urughuru na ọnụego ya. Na-agbakwunye ego buru ibu, obere fanish, viscosity, ọnụ ọgụgụ mgbochi mmiri dị elu. N'etiti ha, ọnụọgụgụ ahụ nwere mmetụta kachasị ukwuu na ebe a na-ahụ mmiri, na vissetse adịghị ka nke njigide mmiri. Ọnụego mgbasa efe si na-adabere n'elu ogo mgbanwe na urughuru uru nke mkpụrụ osisi cellulose. N'ime ọtụtụ ndị eyers, methy cellulose na hydroxypyl Methyl Methyl Methyl Cellulose Wateinde dị elu dị elu.

(2) methyl cellulose na-agbanye mmiri oyi, nke siri ike ịnọrọ na mmiri ọkụ. Ngwọta ya dị oke mma n'ime ph = 3 ~ 12. O nwere ezigbo ndakọrịta na stachi, gurunidine chịngọm na ọtụtụ frorsantnts. Geleration na-eme mgbe ọnọdụ okpomọkụ rutere okpomoku.

(3) Mgbanwe nke ọnọdụ okpomọkụ ga-emetụta oke mmiri nke methyl cellulose. N'ozuzu, elu okpomọkụ, nke na-akacha njọ mmiri. Ọ bụrụ na ọnọdụ okpomọkụ karịrị 40 ℃, njigide mmiri nke methyl cellulose ga-aka njọ, nke siri ike na-emetụta ike nke ngwa agha.

(4) methyl cellulose nwere mmetụta na ihe ọ na-arụ ọrụ na ngwa agha. "Adhesion" ebe a na-ezo aka na adhesion nke onye ọrụ n'etiti ngwaọrụ ahụ na mkpụrụ mgbidi, ya bụ na-eguzogide ọgwụ nke ngwa agha. Ndozi buru ibu, osisi na-eguzogide nke okwute buru ibu, ike nke ndi oru choro, ike nke ndi oru choro ibu, na owuwu nke nkpagbu. N'ime ngwaahịa dị elu ether, adhesion nke methy cellulose bụ ọkwa dị mma.

HPMC maka hydroxylthyl methyl na-a nụchara ọgwụgwọ Alkali, ya na propylene oxide na chloromethane dị ka onye na-eme ihe na-abụghị nke iilicose agwakọta ether. Ogo nke dochie anya ya bụ 1.2 ~ 2.0. Ngwongwo ya dịgasị iche na ọnụego Methoxy na ihe na-enye afọ.

(1) hydroxylthyl methyl cellulose na-agbanye na mmiri oyi, nke siri ike inufe na mmiri ọkụ. Agbanyeghị, ọnọdụ ikuku ya na mmiri ọkụ doro anya dị elu karịa nke methy cellulose. A na-emekwa ka akụkụ ahụ nke methyl cellulose na mmiri oyi.

(2) viscosity nke hydroxypyl methyl cellulose na-emetụta oke molecular ya, na elu molecular ibu, onye dị elu na viscosity. Okpomọkụ na-emetụtakwa viscosity. Viace na-ebelata ka ọnọdụ okpomọkụ na-abawanye. Ma viscosity ya dị elu okpomọkụ dị ala karịa nke methy cellulose. Ihe ngwọta ahụ kwụsiri ike mgbe echekwara na ụlọ okpomọkụ.

(3) hydroxylthylthyl methyl cellulose bụ ọkaibe na ntọala, na ihe o mere nke ọma kwụsiri ike na oke nke ph = 2 ~ 12. Saustic soda na mmiri lime enweghị obere mmetụta na akụrụngwa ya, mana alkali nwere ike mee ngwa ngwa na-enweghị atụ ma melite victy. Hydroxypylthylthyl methyl cellulose bụ steepụ nnu, ma mgbe ịta nke nnu dị elu, viscosis hydroxypyl methyl cellulose na-abawanye.

(4) Ndozi mmiri nke hydropylthyl methyl cellulose na-adabere na viscosis na visty nke hydropyy elu karịa nke methyl cellulose n'otu usoro onunu ogwu.

(5) hydroxyppropyythyl methyl cellulose nwere ike ịgwakọta ya na mmiri na-agbanye mmiri iji bụrụ otu ụdị viscosity dị elu. Dị ka mmanya polyvinyl, stachi ether, mkpụrụ osisi gluu na ya.

(6) Nchọpụta nke hydroxylthylthyl methyl cellulose na-aga agha dị elu karịa nke methy cellulose.

(7) hydroxylthylthyl methyl cellulose nwere ike iguzogide ya karịa methy cellulose, na ihe ngwọta ya enzyme nwere ike ịdị ala karịa nke methy cellulose.

18. Gịnị kwesịrị ị attentiona ntị na ngwa dị n'etiti mmekọrịta dị n'etiti viscosise na okpomoku nke Hpmc?

Azịza: viscosity nkeHpmcbụ ihe na-emetụta oke okpomọkụ, nke ahụ bụ ịsị, viseth na-abawanye na mbelata nke okpomọkụ. Mgbe anyị na-ekwu maka viscits nke ngwaahịa, anyị na-ekwu maka viscosity nke 2% nke ngwaahịa na mmiri 20 ogo Celsius.

Na ngwa bara uru, na mpaghara nwere nnukwu ọdịiche dị n'etiti oge ọkọchị na udu mmiri, a ga-atụ aro ka ọ dị ala na-adị ala na oge oyi, nke na-adọrọ adọrọ na-ewuli elu. Ma ọ bụghị ya, mgbe ọnọdụ okpomọkụ dị ala, viscosity nke selluose ga-abawanye, ma mgbe ị scraping, mmetụta ahụ ga-adị arọ.

Ọkara viscosity: 75000-100000 na-eji Putty.

Ihe kpatara: ezigbo njide mmiri.

A na-eji viscosity dị elu: 150000-200000 maka ihe mkpuchi mkpuchi ahụ polystyrene na-eme ka ọ na-enwe ntụ ntụ roba na ngwa agha mkpuchi ezé.

Ihe kpatara ya: Ọ dịghị nfe adịghị mfe, na-abanye na-abanye, na-eme ka owuwu ahụ.

Ma n'ozuzu ya, viscosity dị elu, ka mma njigide mmiri, na-atụle ọnụahịa, na-atụle ogo ọdịnala (20000-20000) iji belata ego ahụ nke mgbakwunye.