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1 Ihe ọmụma bụ isi Ajụjụ 1 Usoro ihe owuwu ole ka enwere iji mado taịlị na nrapado taịlị? Azịza: A na-ekewa usoro tapawa tile seramiiki ụzọ atọ: usoro mkpuchi azụ, usoro mkpuchi isi (nke a na-akpọkwa usoro trowel, usoro tapawa siri ike), na ngwakọta zutere...GỤKWUO»
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1 Nsogbu nkịtị na mgbidi putty ntụ ntụ: (1) Ọ na-ata ngwa ngwa. Nke a bụ ọkachasị n'ihi na ọnụọgụ calcium ntụ ntụ agbakwunyere (oke buru ibu, ọnụọgụ calcium ntụ ntụ a na-eji na usoro putty nwere ike ibelata nke ọma) metụtara njigide mmiri nke eriri ahụ, ọ na-emetụtakwa ya. .GỤKWUO»
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Glu tile, nke a makwaara dị ka nrapado tile seramiiki, bụ nke a na-ejikarị mado ihe eji achọ mma dịka taịlị seramiiki, taịlị chere ihu na taịlị ala. Akụkụ ya bụ isi bụ ike njikọta dị elu, nguzogide mmiri, nkwụsi ike ifriizi, nguzogide ịka nká na ihe owuwu dị mma. Ọ bụ ezigbo ...GỤKWUO»
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Hydroxypropyl methylcellulose HPMC bụ ụdị nke na-abụghị ionic cellulose agwakọta ether. N'adịghị ka ionic methyl carboxymethyl cellulose agwakọta ether, ọ dịghị emeghachi omume na arọ ọla. N'ihi oke dị iche iche nke ọdịnaya metxyl na hydroxypropyl dị na hydroxypropyl methylcellulose na v..GỤKWUO»
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Cellulose ether bụ polymer sịntetik nke sitere na cellulose eke sitere na mgbanwe kemịkalụ. Cellulose ether bụ ihe sitere na cellulose eke. Ihe mmepụta nke cellulose ether dị iche na polymers sịntetik. Ihe kachasị mkpa ya bụ cellulose, ngwakọta polymer eke. N'ihi na ...GỤKWUO»
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Nchịkọta: 1. Wetting na dispersing agent 2. Defoamer 3. Thickener 4. Ihe mgbakwunye na-emepụta ihe nkiri 5. Mgbochi corrosion, mgbochi mildew na mgbochi algae 6. Ihe mgbakwunye ndị ọzọ 1 Wetting na dispersing agent: Mmiri na-ekpuchi mmiri na-eji mmiri eme ihe. dị ka ihe mgbaze ma ọ bụ dispersion usoro, na mmiri nwere nnukwu dielectric con ...GỤKWUO»
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Kedu ọrụ nke onye na-ejigide mmiri agwakọta n'ime ihe ntụ ntụ gypsum? Azịza: plasta gypsum, gypsum bonded, caulking gypsum, gypsum putty na ihe ndị ọzọ na-ewu ntụ ntụ na-eji. Iji mee ka ihe owuwu dị mfe, a na-agbakwunye gypsum retarders n'oge mmepụta iji gbasaa ...GỤKWUO»
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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 n'ime ọkwa ihe owuwu, ọkwa nri na...GỤKWUO»
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A na-ejikarị cellulose eme ihe na petrochemical, nkà mmụta ọgwụ, mpempe akwụkwọ, ihe ịchọ mma, ihe ụlọ, wdg. Edemede a na-ewebata usoro ojiji na njirimara njirimara nke HPM…GỤKWUO»
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N'ihe ịchọ mma, enwere ọtụtụ kemịkalụ kemịkalụ na-enweghị isi na enweghị isi, mana obere ihe anaghị egbu egbu. Taa, m ga-ewebata gị, hydroxyethyl cellulose, nke a na-ahụkarị na ọtụtụ ihe ịchọ mma ma ọ bụ ihe ndị dị mkpa kwa ụbọchị. Hydroxyethyl Cellulose【Hydroxyethyl Cellulose】 A makwaara dị ka (HEC) bụ ọcha ...GỤKWUO»
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Nyochaa: akpọrọ HPMC, ọcha ma ọ bụ na-acha ọcha fibrous ma ọ bụ ntụ ntụ granular. Enwere ọtụtụ ụdị cellulose ma na-ejikarị ya eme ihe, mana anyị na-akpọtụrụ ndị ahịa na ụlọ ọrụ ihe owuwu ụlọ ntụ ntụ. Cellulose kachasị na-ezo aka na hypromellose. Usoro mmepụta: Isi r ...GỤKWUO»
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CMC na-abụkarị ogige polymer anionic nke a kwadebere site n'imeghachi cellulose eke na caustic alkali na monochloroacetic acid, nke nwere ibu molekụla nke 6400 (± 1 000). Ihe ndị bụ isi na-emepụta bụ sodium chloride na sodium glycolate. CMC bụ nke mgbanwe cellulose eke. Ahapụla ya...GỤKWUO»