Njide mmiri nke hydroxypropyl methylcellulose ether
Njide mmiri nke ngwakọta ngwakọta akọrọ na-ezo aka na ikike nke ngwa agha ijide na igbachi mmiri.Ka elu viscosity nke hydroxypropyl methylcellulose ether, ka mma na-ejigide mmiri.N'ihi na usoro cellulose nwere hydroxyl na ether bonds, ikuku oxygen na hydroxyl na ether bond otu na-ejikọta ya na mkpụrụ ndụ mmiri na-emepụta njikọ hydrogen, nke mere na mmiri efu na-aghọ mmiri na-ejikọta ma na-ejikọta mmiri, si otú ahụ na-ekere òkè na njide mmiri.
Solubility nke Hydroxypropyl Methyl Cellulose Ether
1. Ahịrị urughuru cellulose ether dị mfe achụsakwa na mmiri na-enweghị agglomeration, ma mgbasa ọnụego bụ nnọọ ngwa ngwa.A na-agbaze cellulose ether n'okpuru 60 ntupu n'ime mmiri ihe dị ka nkeji iri isii.
2. Ezi urughuru cellulose ether dị mfe achụsasị na mmiri na-enweghị agglomeration, na mgbasa ọnụego bụ agafeghị oke.A na-agbaze cellulose ether n'elu ntupu 80 n'ime mmiri maka ihe dịka nkeji 3.
3. Ultra-mma urughuru cellulose ether agbasa ngwa ngwa na mmiri, dissolves ngwa ngwa, na-etolite viscosity ngwa ngwa.Cellulose ether n'elu 120 ntupu agbaze na mmiri maka 10-30 sekọnd.
Ihe kacha mma nke hydroxypropyl methylcellulose ether, ka mma na-ejigide mmiri.N'elu nke cellulose ether na-enweghị isi na-agbaze ozugbo ọ kpọtụrụ mmiri ma mepụta ihe ngosi gel.Gluu na-ekpuchi ihe ahụ iji gbochie ụmụ irighiri mmiri ka ọ nọgide na-abanye.Mgbe ụfọdụ, a pụghị ịgbasa ya n'otu n'otu ma gbazee ọbụlagodi mgbe ọ kpalitere ogologo oge, na-akpụ ihe ngwọta flocculent na urukpuru ma ọ bụ agglomeration.The ezi ahụ na-achụsasị na igbari ozugbo mgbe kọntaktị na mmiri na-etolite a edo viscosity.
Uru PH nke hydroxypropyl methylcellulose ether (nkwụghachi azụ ma ọ bụ mmetụta ike mmalite)
A na-achịkwa pH uru nke hydroxypropyl methylcellulose ether na-emepụta n'ụlọ na ná mba ọzọ na ihe dịka 7, nke dị na ọnọdụ acidic.N'ihi na a ka nwere ọnụ ọgụgụ buru ibu nke mgbanaka anhydroglucose n'ime usoro ihe omimi nke cellulose ether, mgbanaka anhydroglucose bụ isi otu na-ebute ciment retardation.Mgbanaka anhydroglucose nwere ike ime ka ion calcium na ciment hydration solution mepụta sugar-calcium molecular compounds, belata mkpokọta calcium ion n'oge ntinye nke ciment hydration, gbochie nhazi na ọdịda nke calcium hydroxide na calcium salt crystals, na-egbu oge hydration nke simenti.usoro.Ọ bụrụ na uru PH dị na steeti alkaline, ngwa agha ahụ ga-apụta na ọnọdụ ike mbụ.Ugbu a, ọtụtụ ụlọ ọrụ na-eji sodium carbonate dozie uru pH.Sodium carbonate bụ ụdị ihe na-eme ngwa ngwa.Sodium carbonate na-eme ka arụ ọrụ nke elu nke ciment ahụ dịkwuo mma, na-akwalite njikọ dị n'etiti ihe ndị ahụ, ma na-eme ka viscosity nke ngwa agha dịkwuo mma.N'otu oge ahụ, sodium carbonate na-ejikọta ngwa ngwa na ions calcium na ngwa ngwa iji kwalite nhazi ettringite, na ciment na-agbakọta ngwa ngwa.Ya mere, a ghaghị imezi uru pH dị ka ndị ahịa dị iche iche si dị na usoro mmepụta n'ezie.
Njirimara ntinye ikuku nke Hydroxypropyl Methyl Cellulose Ether
Mmetụta ikuku nke hydroxypropyl methylcellulose ether bụ n'ihi na cellulose ether bụkwa ụdị surfactant.Ọrụ interfacial nke cellulose ether na-emekarị na ikuku-mmiri-ike interface.Nke mbụ, iwebata ikuku ikuku, na-esote mgbasa na mmetụta Wetting.Cellulose ether nwere otu alkyl, nke na-ebelata oke esemokwu n'elu na ike ihu mmiri, na-eme ka ọ dị mfe ịmepụta ọtụtụ obere afụ mechiri emechi n'oge usoro mkpali nke ngwọta mmiri.
Njirimara gel nke Hydroxypropyl Methyl Cellulose Ether
Mgbe hydroxypropyl methylcellulose ether gbazere n'ime ngwa agha ahụ, ndị methoxyl na hydroxypropyl dị na agbụ molekụla ga-emeghachi omume na ion calcium na ion aluminum na slurry iji mepụta gel viscous wee jupụta n'ime oghere ciment., melite kọmpat nke ngwa agha ahụ, rụọ ọrụ nke ndochi na-agbanwe agbanwe na nkwado.Otú ọ dị, mgbe matrix composite na-enwe nrụgide, polymer enweghị ike ịrụ ọrụ nkwado siri ike, ya mere ike na mpịachi nke ngwa agha ahụ na-ebelata.
Nhazi ihe nkiri nke Hydroxypropyl Methyl Cellulose Ether
Mgbe agbakwunyere hydroxypropyl methyl cellulose ether maka hydration, a na-emepụta obere oyi akwa nke ihe nkiri latex n'etiti akụkụ ciment.Ihe nkiri a nwere mmetụta mkpuchi ma na-eme ka akọrọ dị elu nke ngwa agha ahụ dịkwuo mma.N'ihi njigide mmiri dị mma nke hydroxypropyl methylcellulose ether, a na-echekwa mkpụrụ ndụ mmiri zuru ezu n'ime ngwa agha ahụ, si otú ahụ na-eme ka hydration sie ike nke ciment na mmepe zuru oke nke ike, na-eme ka ike njikọ nke ngwa agha dịkwuo mma, ma n'otu oge ahụ. na-eme ka njikọ nke ngwa agha dịkwuo mma, na-eme ka ngwa agha ahụ nwee ezigbo plasticity na mgbanwe, na-ebelata mbelata na nrụrụ nke ngwa agha ahụ.
Oge nzipu: Mee-23-2023