1. Gịnị bụ isi ngwa nke hydroxypropyl methylcellulose (HPMC)?
A na-eji HPMC eme ihe n'ọtụtụ ebe na ihe owuwu, mkpuchi, resins sịntetik, ceramik, ọgwụ, nri, textiles, ọrụ ugbo, ihe ịchọ mma, ụtaba na ụlọ ọrụ ndị ọzọ.Enwere ike kewaa HPMC ka ọ bụrụ ọkwa ihe owuwu, ọkwa nri na ọkwa ọgwụ dịka ebumnuche siri dị.Ka ọ dị ugbu a, ọtụtụ n'ime ngwaahịa ụlọ bụ ọkwa ihe owuwu.Na ọkwa ihe owuwu, a na-eji ntụ ntụ na-eme ihe na nnukwu ego, ihe dịka 90% na-eji ntụ ntụ eme ihe, ndị ọzọ na-eji ciment mortar na gluu.
2. Enwere ọtụtụ ụdị hydroxypropyl methylcellulose (HPMC), oleekwa ọdịiche dị na ojiji ha?
Enwere ike ikewa HPMC ka ọ bụrụ ụdị ngwa ngwa na ụdị mgbasa ọkụ.Ngwa ngwa ụdị ngwaahịa na-agbasa ngwa ngwa na mmiri oyi wee pụọ n'ime mmiri.N'oge a, mmiri mmiri enweghị viscosity n'ihi na HPMC na-agbasasị naanị na mmiri na-enweghị ezigbo mgbasa.Ihe dị ka nkeji 2, viscosity nke mmiri mmiri na-eji nwayọọ nwayọọ na-abawanye, na-eme ka viscos colloid transperent.Ngwaahịa na-ekpo ọkụ na-ekpo ọkụ, mgbe a na-ezute mmiri oyi, nwere ike ịgbasa ngwa ngwa na mmiri ọkụ ma pụọ na mmiri ọkụ.Mgbe okpomọkụ na-adaba n'otu ọnọdụ okpomọkụ, viscosity ga-eji nwayọọ nwayọọ na-apụta ruo mgbe ọ na-emepụta colloid viscous na-egbuke egbuke.Ụdị agbaze na-ekpo ọkụ nwere ike iji naanị na ntụ ntụ na ngwa ngwa.N'ime gluu mmiri mmiri na agba, a ga-enwe otu ihe na-enweghị ike iji ya mee ihe.Ụdị ngwa ngwa nwere ọtụtụ ngwa ngwa.Enwere ike iji ya na ntụ ntụ na ngwa ngwa, yana gluu mmiri na agba, na-enweghị ihe ọ bụla.
3. Kedu usoro mgbasa nke hydroxypropyl methylcellulose (HPMC)?
Usoro mgbasa mmiri ọkụ: Ebe ọ bụ na HPMC anaghị agbaze na mmiri ọkụ, HPMC nwere ike ịgbasa na mmiri ọkụ na mbido mbụ, wee gbaze ngwa ngwa mgbe ọ dị jụụ.A na-akọwa ụzọ abụọ ahụkarị dị ka ndị a:
1) Tinye mmiri ọkụ achọrọ n'ime akpa ahụ wee kpoo ya ihe dịka 70 Celsius.Na hydroxypropyl methylcellulose ji nwayọọ nwayọọ na-agbakwunyere n'okpuru nwayọọ edemede, na mbụ HPMC sere n'elu mmiri, na mgbe ahụ jiri nwayọọ nwayọọ na-etolite a slurry, nke a jụrụ n'okpuru edemede.
2), tinye 1/3 ma ọ bụ 2/3 nke mmiri achọrọ n'ime akpa ahụ, wee kpoo ya na 70 Celsius C, gbasaa HPMC dịka usoro nke 1 si dị), ma dozie slurry mmiri ọkụ;wee tinye nke fọdụrụ ego nke mmiri oyi na mmiri ọkụ slurry, ngwakọta a mma mgbe edemede.
Usoro ngwakọta ntụ ntụ: mix HPMC ntụ ntụ na nnukwu ihe ndị ọzọ na-eme ntụ ntụ, gwakọta nke ọma na mixer, wee gbakwunye mmiri ka ọ gbazee, mgbe ahụ, HPMC nwere ike igbari n'oge a na-enweghị agglomeration, n'ihi na ọ bụ naanị obere HPMC dị na obere obere ọ bụla. nkuku ntụ ntụ, ga-agbaze ozugbo mgbe mmiri na-akpakọrịta.——Ndị na-emepụta ntụ ntụ na ngwa agha na-eji usoro a eme ihe.[Hydroxypropyl methylcellulose (HPMC) na-eji dị ka onye na-ejigide ihe na-ekpo ọkụ na mmiri na-ekpo ọkụ na putty powder mortar.]
4. Kedu otu esi ekpe ikpe ogo hydroxypropyl methylcellulose (HPMC) dị mfe na nke ọma?
(1) Ọcha: Ọ bụ ezie na ọcha enweghị ike ikpebi ma HPMC dị mfe iji, ma ọ bụrụ na agbakwunyere ihe ndị na-acha ọcha n'oge usoro mmepụta, ọ ga-emetụta àgwà ya.Otú ọ dị, ọtụtụ n'ime ngwaahịa ndị dị mma nwere ezigbo ọcha.
(2) Ịdị mma: Ịdị mma nke HPMC n'ozuzu nwere ntupu 80 na ntupu 100, na ntupu 120 dị obere.Ọtụtụ HPMC emepụtara na Hebei bụ ntupu 80.Ka mma dị mma, n'ozuzu n'ikwu okwu, ka mma.
(3) Mfefe ọkụ: tinye hydroxypropyl methylcellulose (HPMC) n'ime mmiri iji mepụta colloid transperent, ma lelee nnyefe ọkụ ya.Ka ọkụ na-ebufe ọkụ dị ukwuu, ọ ka mma, na-egosi na ọ dị obere insoluble na ya..The permeability nke vetikal reactors bụ n'ozuzu ezi, na nke kehoraizin reactors bụ njọ, ma ọ pụtaghị na àgwà nke vetikal reactors dị mma karịa nke kehoraizin reactors, na ngwaahịa àgwà kpebisiri ike site ọtụtụ ihe.
(4) Ike ndọda pụrụ iche: Ka ike ndọda dị iche iche na-ebuwanye ibu, otú ahụ ka ọ na-akawanye mma.Ihe a kapịrị ọnụ bụ nnukwu, n'ozuzu n'ihi na ọdịnaya nke hydroxypropyl otu dị na ya dị elu, na ọdịnaya nke hydroxypropyl otu dị elu, njide mmiri dị mma.
5. Gịnị bụ ego nke hydroxypropyl methylcellulose (HPMC) na putty ntụ ntụ?
Ọnụ ego nke HPMC ejiri mee ngwa dị irè dịgasị iche dabere na gburugburu ihu igwe, okpomọkụ, àgwà calcium mpaghara ash, usoro ntụ ntụ putty na "àgwà ndị ahịa chọrọ".N'ikwu okwu n'ozuzu, n'etiti 4 kg na 5 kg.Dịka ọmụmaatụ: ọtụtụ n'ime ntụ ntụ putty na Beijing bụ kilogram 5;ọtụtụ n'ime ntụ ntụ putty na Guizhou bụ 5 n'arọ n'oge okpomọkụ na 4.5 n'arọ n'oge oyi;Ọnụ ọgụgụ nke putty na Yunnan dị ntakịrị, n'ozuzu 3 n'arọ ruo 4 n'arọ, wdg.
6. Kedu ihe bụ viscosity kwesịrị ekwesị nke hydroxypropyl methylcellulose (HPMC)?
Putty ntụ ntụ n'ozuzu bụ 100,000 yuan, na ihe ndị a chọrọ maka ngwa agha dị elu, na 150,000 yuan chọrọ maka ojiji dị mfe.Ọzọkwa, ọrụ kachasị mkpa nke HPMC bụ njide mmiri, na-esote thickening.Na ntụ ntụ putty, ọ bụrụhaala na njide mmiri dị mma na viscosity dị ala (70,000-80,000), ọ ga-ekwe omume.N'ezie, ka viscosity dị elu, ka mma na-ejigide mmiri.Mgbe viscosity gafere 100,000, viscosity ga-emetụta njide mmiri.Ọ bụghị ọtụtụ ihe ọzọ.
7. Gịnị bụ isi oru egosi hydroxypropyl methylcellulose (HPMC)?
Ọdịnaya Hydroxypropyl na viscosity, ọtụtụ ndị ọrụ na-eche banyere ihe ngosi abụọ a.Ndị nwere ọdịnaya hydroxypropyl dị elu na-enwekarị njigide mmiri ka mma.Onye nwere viscosity dị elu nwere njide mmiri ka mma, dịtụ (ọ bụghị nke zuru oke), na nke nwere nnukwu viscosity ka mma iji ciment mortar.
8. Kedu ihe bụ isi akụrụngwa nke hydroxypropyl methylcellulose (HPMC)?
Ihe ndị bụ isi nke hydroxypropyl methylcellulose (HPMC): owu a nụchara anụcha, methyl chloride, propylene oxide, na ihe ndị ọzọ, caustic soda, acid, toluene, isopropanol, wdg.
9. Gịnị bụ isi ọrụ nke ngwa nke HPMC na putty ntụ ntụ, na ọ na-eme chemically?
N'ime ntụ ntụ putty, HPMC na-arụ ọrụ atọ nke ịgbara mmiri, njigide mmiri na ihe owuwu.Ọkpụkpụ: Enwere ike ịgbatị cellulose ka ọ kwụsịtụ ma mee ka ngwọta ya bụrụ otu elu na ala, ma guzogide ịda mbà n'obi.Njide mmiri: mee ka ntụ ntụ putty kpoo nwayọọ nwayọọ, ma nyere calcium ash aka imeghachi omume n'okpuru ọrụ mmiri.Mwube: Cellulose nwere mmetụta mmanu mmanu, nke nwere ike ime ka uzuzu putty nwee ezigbo ihe owuwu.HPMC anaghị eso na mmeghachi omume kemịkalụ ọ bụla, mana ọ na-arụ naanị ọrụ inyeaka.Ịgbakwunye mmiri na ntụ ntụ na-etinye ya na mgbidi bụ mmeghachi omume kemịkal, n'ihi na a na-emepụta ihe ọhụrụ.Ọ bụrụ na i wepụ ntụ ntụ na mgbidi ahụ na mgbidi, gwerie ya na ntụ ntụ, ma jiri ya mee ihe ọzọ, ọ gaghị arụ ọrụ n'ihi na e mepụtala ihe ọhụrụ (calcium carbonate).) kwa.Isi ihe dị na ntụ ntụ calcium ash bụ: ngwakọta nke Ca (OH) 2, CaO na obere ego CaCO3, CaO + H2O = Ca (OH) 2-Ca (OH) 2+ CO2 = CaCO3↓+ H2O Ash calcium dị na mmiri na ikuku N'okpuru ọrụ nke CO2, calcium carbonate na-emepụta, ebe HPMC na-ejigide mmiri naanị, na-enyere aka mmeghachi omume dị mma nke calcium ash, ma ghara itinye aka na mmeghachi omume ọ bụla n'onwe ya.
10. HPMC bụ cellulose ether na-abụghị ionic, yabụ kedu ihe na-abụghị ionic?
N'okwu ndị nkịtị, ndị na-abụghị ions bụ ihe ndị na-adịghị ionize na mmiri.Ionization na-ezo aka na usoro nke a na-ekewa electrolyte n'ime ion ebubo nke nwere ike ịkwaga n'enweghị ihe ọ bụla na ihe mgbaze (dị ka mmiri, mmanya).Dịka ọmụmaatụ, sodium chloride (NaCl), nnu anyị na-eri kwa ụbọchị, na-agbaze na mmiri na ionizes iji mepụta sodium ion (Na+) na-ebugharị n'enweghị ihe ọ bụla na ion chloride (Cl) na-ebubo na-ezighị ezi.Nke ahụ bụ, mgbe a na-etinye HPMC na mmiri, ọ gaghị ekewa n'ime ion ebubo, kama ọ dị n'ụdị molecules.
11. Gịnị bụ gel okpomọkụ nke hydroxypropyl methylcellulose metụtara?
The gel okpomọkụ nke HPMC metụtara ya methoxy ọdịnaya, ala methoxy ọdịnaya ↓, elu na gel okpomọkụ ↑.
12. Enwere mmekọrịta ọ bụla n'etiti dobe putty powder na HPMC?
Ọnwụ ntụ ntụ nke putty ntụ ntụ na-emetụtakarị àgwà calcium ash, ọ nweghịkwa ihe jikọrọ ya na HPMC.Ọdịnaya calcium dị ala nke calcium isi awọ na oke na-ezighi ezi nke CaO na Ca (OH) 2 na calcium isi awọ ga-eme ka mfu ntụ ntụ.Ọ bụrụ na ọ nwere ihe jikọrọ ya na HPMC, mgbe ahụ ọ bụrụ na HPMC enweghị njide mmiri na-adịghị mma, ọ ga-eme ka ntụ ntụ ghara.Maka ebumnuche ụfọdụ, biko rụtụ aka na ajụjụ 9.
13. Kedu ihe dị iche n'etiti ụdị ngwa ngwa mmiri oyi na ụdị hydroxypropyl methylcellulose na-ekpo ọkụ na-ekpo ọkụ na usoro mmepụta?
A na-eji glioxal agwọ ụdị mmiri oyi nke HPMC n'elu, ọ na-agbasa ngwa ngwa na mmiri oyi, mana ọ naghị agbaze n'ezie.Ọ na-agbaze naanị mgbe viscosity na-abawanye.A naghị eji glycoxal agwọ ụdị agbaze na-ekpo ọkụ n'elu.Ọ bụrụ na ọnụ ọgụgụ glycoxal buru ibu, nkesa ahụ ga-adị ngwa ngwa, ma viscosity ga-abawanye nwayọọ nwayọọ, ma ọ bụrụ na ọnụ ọgụgụ ahụ dị ntakịrị, ihe na-abụghị eziokwu.
14. Gịnị bụ isi nke hydroxypropyl methylcellulose (HPMC)?
HPMC mepụtara site na usoro mgbaze na-eji toluene na isopropanol dị ka ihe mgbaze.Ọ bụrụ na ịsa ahụ adịghị mma nke ukwuu, a ga-enwe isi ihe fọdụrụnụ.
15. Kedu otu esi ahọrọ hydroxypropyl methylcellulose (HPMC) kwesịrị ekwesị maka ebumnuche dị iche iche?
Ngwa nke ntụ ntụ putty: ihe ndị a chọrọ dị ala, viscosity bụ 100,000, o zuru ezu, ihe dị mkpa bụ idobe mmiri nke ọma.Ngwa nke ngwa agha: elu chọrọ, elu viscosity, 150,000 ka mma.Ngwa nke gluu: ngwa ngwa ngwaahịa nwere nnukwu viscosity chọrọ.
16. Gịnị bụ utu aha nke hydroxypropyl methylcellulose?
Hydroxypropyl methyl cellulose, Bekee: Hydroxypropyl Methyl Cellulose Mbiri: HPMC ma ọ bụ MHPC Utu aha: hypromellose;Cellulose hydroxypropyl methyl ether;Hypromellose, cellulose, 2-hydroxypropylmethyl cellulose ether.Cellulose hydroxypropyl methyl ether Hyprolose.
17. Ngwa nke HPMC na ntụ ntụ, gịnị bụ ihe kpatara egosipụta na ntụ ntụ ntụ?
N'ime ntụ ntụ putty, HPMC na-arụ ọrụ atọ nke ịgbara mmiri, njigide mmiri na ihe owuwu.Esokwala na mmeghachi omume ọ bụla.Ihe kpatara afụ: 1. Tinye oke mmiri.2. Ala oyi akwa adịghị akọrọ, naanị kpochapụ oyi akwa ọzọ n'elu, ọ dịkwa mfe ịfụfụ.
18. Gịnị bụ usoro nke putty ntụ ntụ maka ime na mgbidi mgbidi?
N'ime mgbidi putty ntụ ntụ: arọ calcium 800KG, ash calcium 150KG (stachi ether, dị ọcha green, Pengrun ala, citric acid, polyacrylamide, wdg nwere ike tinye n'ụzọ kwesịrị ekwesị)
Mpụga mgbidi putty ntụ ntụ: ciment 350KG arọ calcium 500KG quartz ájá 150KG latex ntụ ntụ 8-12KG cellulose ether 3KG starch ether 0.5KG osisi eriri 2KG
19. Kedu ihe dị iche n'etiti HPMC na MC?
MC bụ methyl cellulose, nke a na-eme nke cellulose ether site n'ịgwọ owu a nụchara anụcha na alkali, na-eji methane chloride dị ka onye na-eme ka etherification, na-aga na usoro mmeghachi omume.N'ozuzu, ogo nke nnọchi bụ 1.6 ~ 2.0, na solubility dịkwa iche na ọkwa dị iche iche nke nnọchi.Ọ bụ nke cellulose ether na-abụghị ionic.
(1) Njide mmiri nke methyl cellulose na-adabere na ego mgbakwunye ya, viscosity, urughuru mma na mgbasa ozi.N'ozuzu, ọ bụrụ na ego mgbakwunye buru ibu, ịdị mma dị ntakịrị, na viscosity dị ukwuu, ọnụ ọgụgụ njide mmiri dị elu.N'ime ha, ọnụ ọgụgụ nke mgbakwunye na-enwe mmetụta kachasị ukwuu na njide mmiri, na ọkwa nke viscosity adịghị adabere kpọmkwem na ọkwa nke njide mmiri.The mgbasa ọnụego tumadi na-adabere n'ókè nke elu mgbanwe nke cellulose ahụ na urughuru fineness.N'ime cellulose ethers dị n'elu, methyl cellulose na hydroxypropyl methyl cellulose nwere ọnụ ọgụgụ njide mmiri dị elu.
(2) Methylcellulose na-agbaze na mmiri oyi, ọ ga-esikwa ike igbari na mmiri ọkụ.Ihe ngwọta ya na-edozi ahụ kwụsiri ike na pH = 3 ~ 12.Ọ nwere ezigbo ndakọrịta na starch, guar gum, wdg na ọtụtụ surfactants.Mgbe okpomọkụ na-erute okpomọkụ gelation, gelation na-eme.
(3) Mgbanwe na okpomọkụ ga-emetụta oke njide mmiri nke methyl cellulose.N'ozuzu, ka okpomọkụ dị elu, na-akawanye njọ njigide mmiri.Ọ bụrụ na okpomọkụ nke ngwa agha gafere 40 Celsius, njide mmiri nke methyl cellulose ga-ebelata nke ukwuu, na-emetụta nrụnye ngwa ngwa.
(4) Methyl cellulose nwere mmetụta dị ịrịba ama n'iwu na adhesion nke ngwa agha.“Adhesion” ebe a na-ezo aka na ike nrapado a na-enwe n'etiti ngwa ngwa onye ọrụ na mkpụrụ mgbidi, ya bụ, nkwụsi ike nke ngwa agha ahụ.Nchikota dị elu, nkwụsị nke mgbochi nke ngwa agha dị ukwuu, na ike nke ndị ọrụ na-arụ ọrụ na-arụ ọrụ na-arụkwa ọrụ buru ibu, na ịrụ ọrụ nke ngwa agha adịghị mma.Methyl cellulose adhesion dị na agafeghị oke na ngwaahịa ether cellulose.
HPMC bụ hydroxypropyl methylcellulose, nke bụ ihe na-abụghị ionic cellulose agwakọta ether nke sitere na owu a nụchara anụcha mgbe alkalization, na-eji propylene oxide na methyl chloride dị ka etherification agents, na site na usoro nke mmeghachi omume.Ogo nke nnọchi bụ n'ozuzu 1.2 ~ 2.0.Ngwongwo ya dị iche iche n'ihi oke dị iche iche nke ọdịnaya metxyl na ọdịnaya hydroxypropyl.
(1) Hydroxypropyl methylcellulose na-adị mfe mgbaze na mmiri oyi, ọ ga-enwekwa ihe isi ike na igbari na mmiri ọkụ.Ma gelation okpomọkụ ya na mmiri ọkụ dị nnọọ elu karịa nke methyl cellulose.A na-emeziwanye ihe solubility na mmiri oyi ma e jiri ya tụnyere methyl cellulose.
(2) Viscosity nke hydroxypropyl methylcellulose na-ejikọta ya na arọ molekụla ya, na ibu ibu nke molekụla, otú ahụ ka viscosity dị elu.Okpomọkụ na-emetụtakwa viscosity ya, ka okpomọkụ na-abawanye, viscosity na-ebelata.Otú ọ dị, nnukwu viscosity ya nwere mmetụta okpomọkụ dị ala karịa methyl cellulose.Ngwọta ya kwụsiri ike mgbe echekwara ya na ụlọ okpomọkụ.
(3) Hydroxypropyl methylcellulose kwụsiri ike na acid na alkali, na ngwọta mmiri ya kwụsiri ike na pH = 2 ~ 12.Caustic soda na mmiri lime enweghị mmetụta dị nta na arụmọrụ ya, mana alkali nwere ike mee ka mgbasa ya dị ngwa ma mee ka viscosity ya dịkwuo elu.Hydroxypropyl methylcellulose kwụsiri ike na nnu nkịtị, ma mgbe ntinye nke ngwọta nnu dị elu, viscosity nke hydroxypropyl methylcellulose ngwọta na-ebuli elu.
(4) Njide mmiri nke hydroxypropyl methylcellulose na-adabere na ego mgbakwunye ya, viscosity, wdg, na ọnụ ọgụgụ njide mmiri ya n'okpuru otu ihe mgbakwunye ahụ dị elu karịa nke methyl cellulose.
(5) Hydroxypropyl methylcellulose nwere ike ịgwakọta ya na mmiri-soluble polymer ogige na-etolite a edo na elu viscosity ngwọta.Dị ka mmanya polyvinyl, starch ether, chịngọm akwukwo nri, wdg.
(6) Nrapanye nke hydroxypropyl methylcellulose na mgbidi ngwa agha dị elu karịa nke methylcellulose.
(7).
20. Gịnị ka a ga-aṅa ntị na n'ezie ngwa nke mmekọrịta dị n'etiti viscosity na okpomọkụ nke HPMC?
Viscosity nke HPMC na-adaba na ọnọdụ okpomọkụ, ya bụ, viscosity na-abawanye ka okpomọkụ na-ebelata.Viscosity nke ngwaahịa anyị na-ezokarị aka na nsonaazụ nnwale nke 2% mmiri mmiri na-ekpo ọkụ na ogo 20 Celsius.
Na ngwa ndị bara uru, ekwesịrị iburu n'uche na n'ebe ndị nwere nnukwu okpomọkụ dị iche n'etiti oge okpomọkụ na oyi, a na-atụ aro ka iji obere viscosity dị ntakịrị n'oge oyi, nke na-eme ka ọ dịkwuo mma iji wuo ụlọ.Ma ọ bụghị ya, mgbe okpomọkụ dị ala, viscosity nke cellulose ga-abawanye, na mmetụta aka ga-adị arọ mgbe ịchacha.
Viscosity ọkara: 75000-100000 a na-ejikarị maka putty
Ihe kpatara ya: ezigbo njide mmiri
Nnukwu viscosity: 150000-200000 A na-ejikarị eme ihe maka polystyrene urughuru thermal ikpuchi ngwa agha roba ntụ ntụ na vitrified microbead thermal ikpuchi ngwa agha.
Ihe kpatara ya: The viscosity dị elu, ngwa agha adịghị mfe ịdapụ, sag, na-ewu ụlọ ka mma.
Ma n'ikwu okwu n'ozuzu, ka viscosity dị elu, ka mma na-ejigide mmiri.Ya mere, n'ịtụle ọnụ ahịa, ọtụtụ ụlọ ọrụ na-ekpo ọkụ na-ekpo ọkụ na-eji dochie ọkara na obere viscosity cellulose (20000-40000) na cellulose-viscosity (20000-40000) iji belata ego mgbakwunye..
Oge nzipu: Nov-18-2022