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N'ime ngwa simenti na slurry dabeere na gypsum, hydroxypropyl methylcellulose na-arụkarị ọrụ nke njide mmiri na ịgbatị, ma nwee ike imeziwanye nrapado na sag nke slurry. Ihe ndị dị ka okpomọkụ ikuku, okpomọkụ na ọsọ ikuku ga-emetụta volatili ...GỤKWUO»
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1. Nsogbu ndị a na-ahụkarị na putty ntụ ntụ ngwa ngwa ihicha: Nke a bụ n'ihi na ọnụ ọgụgụ nke lime calcium ntụ ntụ agbakwunyere (oke buru ibu, ọnụ ọgụgụ nke lime calcium ntụ ntụ a na-eji na usoro putty nwere ike belata n'ụzọ kwesịrị ekwesị) metụtara njigide mmiri nke eriri, ọ na-ejikọta ya na dr ...GỤKWUO»
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akọrọ ngwa ngwa Nke a bụ tumadi n'ihi oke mgbakwunye nke ntụ calcium ntụ ntụ (ọnụọgụ calcium ntụ ntụ a na-eji na usoro putty nwere ike ibelata nke ọma) metụtara ọnụọgụ mmiri nke hydroxypropyl methylcellulose, ma na-emetụtakwa nkụ nke mgbidi ahụ. Na-ehicha ihe...GỤKWUO»
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Hydroxypropyl methylcellulose bụ ether cellulose na-abụghị ionic emebere site na owu a nụchara anụcha site na usoro mmeghachi omume kemịkal. Ọ bụ ihe na-esi ísì ụtọ na-adịghị egbu egbu na-agbaze n'ime mmiri ma na-enye ngwọta colloidal doro anya ma ọ bụ dị ntakịrị. O nwere njirimara nke t...GỤKWUO»
- Nyocha banyere mkpa hydroxypropyl methylcellulose (HPMC) dị na ngwa agha agwakọtara akpọnwụ akpọnwụ.
Aha Chinese nke HPMC bụ hydroxypropyl methylcellulose. Ọ bụghị ionic ma na-ejikarị ya dị ka ihe na-ejigide mmiri na ngwa ngwa agwakọta akọrọ. Ọ bụ ihe eji echekwa mmiri na ngwa ngwa. Ngwaahịa ether dabeere na polysaccharide nke alkalization na etherification mepụtara. Ọ nweghị ...GỤKWUO»
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1. Nsogbu nkịtị na putty ntụ ntụ akọrọ ngwa ngwa Nke a na-emetụta ya na ọnụọgụ calcium ntụ ntụ agbakwunyere (oke buru ibu, ọnụọgụ calcium ntụ ntụ a na-eji na usoro putty nwere ike belata n'ụzọ kwesịrị ekwesị) na njigide mmiri nke hydroxypropyl methylcellulose (HPMC), na ọ bụkwa re ...GỤKWUO»
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Uzuzu latex a na-emegharị emegharị bụ ntụ ntụ siri ike na-acha ọcha nke enwetara site na ịgbasa-ihicha latex pụrụ iche. A na-ejikarị ya eme ihe dị ka ihe mgbakwunye dị mkpa maka "ngwa agha agwakọtara akpọnwụ akpọnwụ" na ngwa agha ndị ọzọ akọrọ akọrọ maka ihe ndị na-ewu mgbidi mgbidi. Lezienụ anya na atọ ndị a...GỤKWUO»
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A na-ejikarị Hydroxypropyl methylcellulose mee ihe dị ka onye na-ekesa na mmepụta nke polyvinyl chloride, na ọ bụ isi ihe inyeaka maka ịkwadebe PVC site na nkwụsịtụ polymerization. N'ime usoro ihe owuwu nke ụlọ ọrụ ihe owuwu, a na-ejikarị ya eme ihe na-arụ ọrụ igwe dịka mgbidi ...GỤKWUO»
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Ihe mgbakwunye gbanwetụrụ dị ka ihe mgbakwunye ngwa ngwa agwakọta agwakọta, cellulose ethers, ndị na-ahụ maka coagulation, ntụ ntụ redispersible latex, ndị na-eme ikuku ikuku, ndị ọrụ ike mmalite, ndị na-ebelata mmiri, wdg, nke agbakwunyere dị ka mkpa nke ọrụ ahụ si dị, na-eme ka arụmọrụ nke njikere agwakọta dị mma.GỤKWUO»
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Ngwa nke hydroxypropyl methylcellulose (HPMC) n'ime ngwa agha plasta ngwa agha: njigide mmiri dị elu nwere ike ime ka ciment jupụta n'ụzọ zuru ezu, na-abawanye ike nkekọ, ma n'otu oge ahụ, ọ nwere ike ịbawanye ike tensile na ike ịkwa akwa, na-emetụta nke ukwuu ...GỤKWUO»
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(1) Mkpebi nke viscosity: A na-akwadebe ngwaahịa a mịrị amị n'ime ngwọta mmiri na-ebu ibu nke 2 Celsius C, ma tụọ ya site na viscometer ntụgharị NDJ-1; (2) Ọdịdị nke ngwaahịa ahụ bụ ntụ ntụ, na ngwaahịa ozugbo na-agbakwunyere na "s". Otu esi eji hydroxyp...GỤKWUO»
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Ndekọ viscosity nke hydroxypropyl methylcellulose bụ ndepụta dị oke mkpa. Viscosity anaghị anọchi anya ịdị ọcha. The viscosity nke cellulose HPMC dabere na mmepụta usoro. Ebe eji eme ihe dị iche iche kwesịrị ịhọrọ cellulose HPMC nwere viscosities dị iche iche, ọ bụghị nke dị elu nke vi ...GỤKWUO»