Gịnị bụ HPMC Hydroxypropyl methyl cellulose na ciment ruru?
Igwe mkpuchi mkpuchi mmiri na-enweghị mmiri, njirimara ya na-adabere n'ụkpụrụ ụgbụ ndị a nke akụrụngwa emere: ihe 30-340, ihe nrụpụta injinia n'efu brik ntụ ntụ 40-50, lignin fiber 20-24, calcium formate 4-6,hydroxypropyl methyl cellulose7-9, silicon carbide ntụ ntụ 40-45, calcium hydroxide ntụ ntụ 10-20, aja aja corundum ntụ ntụ 10-12, akọrọ nnukwu obodo silt ntụ ntụ 30-35, Datong obodo ala 40-45, aluminum sulfate 4-6, carboxymethyl Base starch. 20-24, gbanwetụrụ ihe nanotechnology carbon ntụ ntụ 4-6, mmiri 600-650;Igwe mmiri mkpuchi injinia na-ekpuchi mmiri nke ngwaahịa a nwere ihe mkpuchi ọkụ siri ike, ezigbo ọkụ ọkụ, njikọ siri ike na mgbidi, ike mkpakọ, arụmọrụ ike, ezigbo nguzogide ịka nká, nchebe gburugburu ebe obibi dị mma, ezigbo mmiri na-eguzogide, nkwụsị mgbawa, gbochie ịdaba.Taa, anyị ga-ekwu banyere viscosity nke hydroxypropyl methyl cellulose aqueous ngwọta bụ ihe niile akụkụ?Ka anyị mụọ ya n'ezie.
1. The ikwu molekụla arọ, okpomọkụ nke aqueous ngwọta, ọnwụ ọnụego na nnwale usoro nke cellulose ether;2. The elu iko mgbanwe okpomọkụ, ukwuu ikwu molekul arọ, na viscosity nke ngwọta bụ ndammana elu;3. Ihe dị elu nke cellulose ether, nke dị elu nke viscosity nke ngwọta, ya mere, na mmejuputa ngwa ahụ, anyị kwesịrị ịṅa ntị na ntinye ego kwesịrị ekwesị, igbochi ntinye dị elu, ma na-emetụta kpọmkwem njirimara nke ciment mortar. na simenti ihe;4. Dị ka ọtụtụ n'ime ihe ngwọta, viscosity ga-ebelatakwa na mmụba nke okpomọkụ, gbakwunyere ọdịnaya nke cellulose ether dị elu, na-akawanye njọ nke okpomọkụ;Tụkwasị na nke ahụ, mmetụta nrịbama n'ezie na-adịgasị iche dabere na oke mmiri a na-eji ciment epoxy.
Hydroxypropyl methyl cellulose aqueous ngwọta viscosity nwekwara ike na-eje ozi dị ka isi njikọ maka kwuru na e ji mara cellulose ether, nke elu viscosity nke aqueous ngwọta, ya oké nke epoxy ciment ihe bụ, mma, na azụ nke efere gelling Njirimara, ma ọ bụrụ na viscosity bụ oke ibu, ga-emerụ epoxy ciment akụrụngwa ozugbo liquidity na enforceability.Maka ụfọdụ ngwa agha na-ebuli onwe ya na mmiri dị elu, a ga-akọwapụta viscosity nke cellulose ether ka ọ dị ala.
Cellulose ether aqueous ngwọta bụ a pseudoplastic ahụ, anyị na-emecha ogbo nke nchọpụta nke shiee ọnụ ọgụgụ ka ukwuu, viscosity bụ obere.
Ya mere, iji chịkọta bụ: a ga-ebelata njikọ nke ụrọ ciment site na ike mpụga, nke bara uru maka nrụpụta injinia n'azụ, ma cellulose ether aqueous solution in case of a very low focus value, ga-mere e ji mara ndị na-abụghị. Mmiri mmiri Newtonian, n'ụzọ megidere nke ahụ, mgbe uru ntinye uche na-abawanye, ngwọta mmiri ga-eme n'àgwà mmiri pseudoplastic.
Njide mmiri sitere na hydroxypropyl methyl cellulose bụ otu n'ime njirimara bụ isi nke hydroxypropyl methyl cellulose.Ọnụego mkpofu mmiri dị na ngwa ngwa agwakọta na ngwaahịa plasta na-emetụta okpomọkụ gas, okpomọkụ na ọnụego nrụgide.Ya mere, na oge dị iche iche, gbakwunyere hydroxypropyl methyl cellulose otu ego nke ngwaahịa mmiri na-arụ ọrụ dị iche iche.
N'ozuzu, ka elu viscosity nke hydroxypropyl methyl cellulose bụ, mma n'ezie mmetụta nke mmiri na-ejigide, ma a ga-ebelata ihe ọjọọ nke viscosity na mmiri njide mgbe viscosity gafere 100,000 Mpa.s.Mgbe viscosity nke HYDROXYpropyl methyl cellulose karịrị 100,000, ọnụ ọgụgụ njide mmiri nwere ike ime ka ọ dịkwuo mma site n'ịba ụba nke hydroxypropyl methyl cellulose.
N'ime usoro ihe owuwu zuru ezu, enwere ike gbanwee mmetụta njide mmiri nke slurry site n'ịgbanwe ọnụọgụ nke hydroxypropyl methyl cellulose.Ngwaahịa usoro hydroxypropyl methyl cellulose nwere ike dozie nsogbu nke njigide mmiri n'okpuru okpomọkụ na-aga n'ihu.N'ime oge okpomọkụ dị elu na-aga n'ihu, karịsịa na ebe ndị na-ekpo ọkụ ma na-agwụ ike na ịmepụta chromatography n'akụkụ anwụ na-acha, a na-achọ HYDROXYpropyl methyl cellulose dị elu iji mepụta njigide mmiri nke slurry.
Ogo dị elu nke hydroxypropyl methyl cellulose, ọ nwere nguzozi dị mma, otu butyl na hydroxypropyl oxygen na-arụ ọrụ dị iche iche yana nkesa njikọ eriri molecular yinye, ọ nwere ike imepe otu methyl aldehyde na oxygen, yana ogo mmiri nke ụdị dijitalụ nwere ike. , ghọọ mmiri agbụ na mmiri nke mgbasa, wee chịkwaa nke ọma ihu igwe okpomọkụ nke ikuku mmiri na-akpata, nnukwu mmiri na-ejide.
High àgwà nke hydroxypropyl methyl cellulose nwere ike dabara rụrụ na azụmahịa ala na mbuaha ngwa agha na plasta ngwaahịa, na ihe niile siri ike ahụ cyst, keguru mmiri, jụụ, na-etolite a oyi akwa nke film, mmiri na agafeghị oke ogologo oge nwayọọ nwayọọ tọhapụ si isi, na na mmalite nke organic compound admixture nke hydration mmeghachi omume, wee kwe nkwa ịdị n'otu nke akụrụngwa mkpakọ ike na tensile ike.Na-akwado elu okpomọkụ okpomọkụ na-ewu usoro, ya mere, iru mmiri mmetụta, kwesịrị dị ka ntụziaka maka a ụfọdụ ego na àgwà hydroxypropyl methyl cellulose ngwaahịa, ma ọ bụghị, ga-egosi na-agwụ ike ngwa ngwa na-eme ka ezughi oke hydration, belata mkpakọ. ike, kewaa, popped àgwà ndị dị otú ahụ dị ka metope efu drum na obi abụọ, na-ejikọta ya na onye ọrụ na-ewu ihe isi ike ọnụọgụ.Ka okpomọkụ na-adaba, a pụrụ iji nwayọọ nwayọọ belata ọnụ ọgụgụ nke hydroxypropyl methyl cellulose ma nwee ike nweta otu mmetụta njide mmiri.
Ọ bụrụ na cellulose ether adịghị agbakwunyere, chromatography nke ọhụrụ ciment ngwa agha ga-ngwa ngwa nkụ, na-eme ka ihe na-apụghị hydrated na a nkịtị ụzọ, n'ihi na simenti ngwa agha enweghị ike ike primed na-mma adhesion.N'otu oge ahụ, mgbakwunye nke cellulose ether na-eme ka ciment mortar nwee ezigbo ductility na mgbanwe, ma na-eme ka ike ike nke ciment sie ike.
1, hydroxypropyl methyl cellulose urughuru nha
The urughuru size nke cellulose ether emerụ ya solubility.The mma cellulose ether bụ, ngwa ngwa nbibi ọnụego ya na mmiri na elu àgwà njigide mmiri.Ya mere, a ga-etinye akụkụ nke cellulose ether na nyocha nke otu n'ime njirimara ya.N'ozuzu, cellulose ether urughuru size nke 80 ntupu dabeere na.
2, hydroxypropyl methyl cellulose kpọrọ nkụ na-enweghị ike ndọda
Dry manic dịghị ike ndọda ọnụego, na-ezo aka a ụfọdụ okpomọkụ nke akọrọ manic cellulose ether, ọnwụ nke kemịkalụ àgwà aza maka mbụ sample àgwà pasent nke mejupụtara.N'ihi na a ụfọdụ àgwà cellulose ether na akọrọ na-enweghị ike ndọda ọnụego dị oke elu, ga-ebelata mkpa components na cellulose ether, merụọ n'ezie mmetụta nke ojiji nke downstream ụlọ ọrụ, ma na-mma na zuo na-eri.Ọtụtụ mgbe, cellulose ether akọrọ na-enweghị ike ndọda agaghị agafe 5.0%.
3, hydroxypropyl methyl cellulose potassium thiocyanate ash
N'ihi na ụfọdụ àgwà cellulose ether na ash ọdịnaya dị oke elu, ga-ebelata cellulose ether na mkpa components, merụọ n'ezie mmetụta nke ojiji nke downstream ụlọ ọrụ, cellulose ether potassium thiocyanate ash ọdịnaya bụ isi na-atụle nke ya àgwà. uru index.
4, hydroxypropyl methyl cellulose viscosity
Hydroxypropyl methyl cellulose mmiri ndowe na ndim mmetụta bụ isi ihe na-agbakwunye ciment ụrọ cellulose ether na ya viscosity na incorporation.
5, uru hydroxypropyl methyl cellulose PH
Viscosity nke ngwaahịa hydroxypropyl methyl cellulose na-ebelata nke nta nke nta na okpomọkụ dị elu ma ọ bụ mgbe nchekwa ruo ogologo oge, karịsịa maka ngwaahịa viscosity dị elu, ya mere pH uru ga-adị oke.A na-akọwakarị na ụdị PH uru nke cellulose ether kwesịrị ịrụ ọrụ dị ka 5-9.
6. Mbufe nke hydroxypropyl methyl cellulose
Uru na ọghọm dị na nnyefe nke hydroxypropyl methyl cellulose nwere ike imetụta kpọmkwem mmetụta ọ na-eji na ihe owuwu ụlọ.Ihe ndị bụ isi na-emerụ nnyefe nke cellulose ether bụ
1) àgwà nke akụrụngwa;(2) mmetụta nke igbu mmadụ n'ezie;(3) Nkwadebe teknụzụ nhazi;(4) organic mgbaze nkwadebe;(5) Mmetụta nke zhonghe n'ezie.
Dị ka mmetụta ngwa ahụ n'ezie, nnyefe nke cellulose ether ekwesịghị ịbụ ihe na-erughị 80%.
7, hydroxypropyl methyl cellulose chere okpomọkụ
Hydroxypropyl methyl cellulose na simenti components dị ka isi ihe na-abawanye adhesives, viscosity na mmiri na-ejigide ihe, otú viscosity na gel okpomọkụ bụ isi index uru nke hydroxypropyl methyl cellulose.A na-eji okpomọkụ na-ekpebi ụdị na nkọwapụta nke cellulose ether, na ogo nke nnọchi nke cellulose ether metụtara.
8. Tụkwasị na nke ahụ, nnu na ihe fọdụrụ ga-emerụkwa okpomọkụ nke gluu.Mgbe okpomọkụ nke ngwọta mmiri na-ebili, polymer fiber ji nwayọọ nwayọọ na-enweghị mmiri, na viscosity nke ngwọta mmiri na-ebelata.Mgbe a na-erute ebe a na-ejikọta ya, polymer akpọnwụwo kpamkpam ma na-emepụta ihe nkwụnye ahụ.Ya mere, okpomọkụ na-arụ ọrụ nke ndị òtù ciment na-adịkarị n'okpuru okpomọkụ gluu mbụ.N'okpuru ọkọlọtọ a, na-ebelata okpomọkụ, na-eme ka viscosity dị elu, na mmetụta dị ukwuu nke viscosification na njide mmiri.
Oge nzipu: Jun-09-2022