CMC dị na Glaze Slurry

Isi ihe dị na taịlị glazed bụ glaze, nke bụ akpụkpọ anụ na taịl nile, nke nwere mmetụta nke ịtụgharị nkume n'ime ọla edo, na-enye ndị omenkà seramiiki ohere ịme ụkpụrụ doro anya n'elu.Na mmepụta nke taịlị glazed, a ghaghị ịchụso usoro glaze slurry kwụsiri ike, iji nweta mkpụrụ dị elu na ịdị mma.Isi ihe na-egosi arụmọrụ usoro ya gụnyere viscosity, fluidity, dispersion, nkwusioru, body-glaze bonding na ire ụtọ.Na n'ezie mmepụta, anyị na-ezute anyị mmepụta chọrọ site n'ịgbanwe usoro nke seramiiki akụrụngwa na-agbakwụnye chemical inyeaka mmadụ, ndị kasị mkpa nke bụ: CMC carboxymethyl cellulose na ụrọ ka mezie viscosity, mmiri collection ọsọ na fluidity, n'etiti nke CMC nwekwara nwere. mmetụta decondensing.Sodium tripolyphosphate na mmiri mmiri degumming agent PC67 nwere ọrụ nke ịgbasa na ikpochapụ, na preservative bụ igbu nje bacteria na microorganisms iji chebe methyl cellulose.N'ime ogologo oge nchekwa nke glaze slurry, ions na glaze slurry na mmiri ma ọ bụ methyl na-etolite insoluble bekee na thixotropy, na methyl otu na glaze slurry dara na eruba ọnụego mbelata.Isiokwu a na-ekwukarị ka esi agbatị methyl The irè oge iji kwụsie ike arụmọrụ nke glaze slurry usoro bụ tumadi na-emetụta methyl CMC, ego nke mmiri na-abanye na bọl, ego nke sachara kaolin na usoro, nhazi usoro, na staleness.

1. Mmetụta nke otu methyl (CMC) na njirimara nke slurry glaze

Carboxymethyl cellulose CMCbụ polyanionic compound na ezi mmiri solubility nwetara mgbe chemical mgbanwe nke eke emep uta eri (alkali cellulose na etherification gị n'ụlọnga chloroacetic acid), na ọ bụkwa ihe organic polymer.Na-ejikarị njirimara ya nke njikọta, njide mmiri, nkwusioru nkwusioru, na ntọhapụ iji mee ka elu ahụ na-egbuke egbuke na-egbuke egbuke.Enwere ihe dị iche iche a chọrọ maka viscosity nke CMC, a na-ekewa ya na viscosities dị elu, ọkara, obere na ultra-low.Otu methyl dị elu na obere viscosity na-enweta nke ọma site n'ịchịkwa mmebi nke cellulose - ya bụ, ịgbaji agbụ molekụla cellulose.Mmetụta kachasị mkpa bụ ikuku oxygen na ikuku.Ọnọdụ mmeghachi omume dị mkpa maka ịkwadebe CMC viscosity dị elu bụ ihe mgbochi oxygen, ikuku nitrogen, jụrụ oyi na oyi na-atụ, na-agbakwunye onye na-emekọrịta ihe na onye na-ekesa.Dị ka nlele nke atụmatụ 1, atụmatụ 2, na atụmatụ 3 si kwuo, ọ bụ ezie na viscosity nke obere viscosity methyl otu dị ala karịa nke methyl viscosity dị elu, nkwụsi ike nke glaze slurry bụ. dị mma karịa nke otu methyl viscosity dị elu.N'ihe gbasara steeti, otu methyl viscosity dị ala bụ oxidized karịa otu methyl viscosity dị elu ma nwee agbụ molekụla dị mkpụmkpụ.Dị ka echiche nke mmụba entropy, ọ bụ ọnọdụ kwụsiri ike karịa otu methyl viscosity dị elu.Ya mere, iji na-agbaso nkwụsi ike nke usoro ahụ, ị ​​​​nwere ike ịgbalị ịbawanye ọnụ ọgụgụ nke obere viscosity methyl dị ala, wee jiri CMC abụọ mee ka ọnụ ọgụgụ na-asọ asọ kwụsị, na-ezere nnukwu mgbanwe na mmepụta n'ihi enweghị ike nke otu CMC.

2. Mmetụta nke oke mmiri na-abanye na bọọlụ na arụmọrụ nke slurry glaze

Mmiri dị na usoro glaze dị iche iche n'ihi usoro dị iche iche.Dị ka ihe dị iche iche nke 38-45 gram mmiri agbakwunyere na 100 grams nke ihe akọrọ, mmiri ahụ nwere ike ịmịnye ihe ndị na-emepụta ihe ma nyere aka na-egweri, ma nwee ike belata thixotropy nke glaze slurry.Mgbe anyị lebachara atụmatụ 3 na atụmatụ 9 anya, anyị nwere ike ịchọpụta na ọ bụ ezie na ọsọ nke ọdịda methyl agaghị emetụta oke mmiri, onye nwere obere mmiri na-adị mfe ichekwa ma ghara ịdaba na mmiri ozuzo n'oge eji na nchekwa.Ya mere, n'ime mmepụta anyị n'ezie, enwere ike ịchịkwa ọnụ ọgụgụ na-asọpụta site n'ibelata oke mmiri na-abanye na bọọlụ.Maka usoro ịgbasa glaze, enwere ike ịnakwere nnukwu ike ndọda na mmepụta ọnụego dị elu, mana mgbe anyị na-eche ihu glaze, anyị kwesịrị ịbawanye ọnụọgụ methyl na mmiri nke ọma.A na-eji viscosity nke glaze eme ihe iji hụ na glaze dị mma na-enweghị ntụ ntụ mgbe ọ gbasasịrị glaze.

3. Mmetụta nke ọdịnaya Kaolin na Njirimara Glaze Slurry

Kaolin bụ ịnweta nkịtị.Ihe ndị bụ isi ya bụ mineral kaolinite na obere montmorillonite, mica, chlorite, feldspar, wdg. A na-ejikarị ya eme ihe dị ka onye na-egbochi ihe na-edozi ahụ na ntinye nke alumina na glazes.Dabere na usoro glazing, ọ na-agbanwe n'etiti 7-15%.Site n'ịtụle atụmatụ 3 na atụmatụ 4, anyị nwere ike ịhụ na site na mmụba nke ọdịnaya kaolin, ọnụọgụ nke glaze slurry na-abawanye ma ọ dịghị mfe idozi.Nke a bụ n'ihi na viscosity jikọtara ya na ịnweta mejupụtara, urughuru size na cation ụdị na apịtị.N'ikwu okwu n'ozuzu, ka ọdịnaya montmorillonite na-abawanye, ka ụmụ irighiri ihe ndị ahụ na-akawanye mma, na-eme ka viscosity dịkwuo elu, ọ gaghịkwa ada n'ihi nje nje bacteria, ya mere ọ dịghị mfe ịgbanwe ka oge na-aga.Ya mere, maka glazes nke kwesịrị ịchekwa ogologo oge, anyị kwesịrị ịbawanye ọdịnaya nke kaolin.

4. Mmetụta nke oge igwe nri

Usoro ngwepịa nke igwe igwe ga-eme ka ihe mebie, kpo oku, hydrolysis na mmebi ndị ọzọ na CMC.Site na ntụnyere atụmatụ 3, atụmatụ 5 na atụmatụ 7, anyị nwere ike nweta na ọ bụ ezie na viscosity mbụ nke atụmatụ 5 dị ala n'ihi nnukwu mmebi nke ìgwè methyl n'ihi ogologo oge igwe igwe, a na-ebelata ịdị mma n'ihi ihe. dị ka kaolin na talc (nke kachasị mma, ike ionic siri ike, viscosity dị elu) dị mfe ịchekwa ogologo oge ma ọ dịghị mfe ịmalite.Ọ bụ ezie na a na-agbakwunye mgbakwunye na oge ikpeazụ na atụmatụ 7, ọ bụ ezie na viscosity na-ebuwanye ibu, ọdịda ahụ dịkwa ngwa ngwa.Nke a bụ n'ihi na ogologo yinye molekụla, ka ọ na-adị mfe ịnweta methyl Group Oxygen na-efunahụ ọrụ ya.Tụkwasị na nke ahụ, n'ihi na arụmọrụ egwe ọka ahụ dị ala n'ihi na agbakwunyeghị ya tupu trimerization, ịdị mma nke slurry dị elu na ike dị n'etiti ihe ndị dị na kaolin adịghị ike, ya mere slurry glaze na-edozi ngwa ngwa.

5. Mmetụta nke ihe nchekwa

Site n'ịtụle nnwale 3 na nnwale 6, slurry glaze agbakwunyere na ihe nchekwa nwere ike idowe viscosity na-ebelata ogologo oge.Nke a bụ n'ihi na isi akụrụngwa nke CMC a nụchara anụcha owu, nke bụ organic polymer compound, na ya glycosidic njikọ Ọdịdị bụ dịtụ ike n'okpuru edinam nke ndu enzymes Mfe hydrolyze, na macromolecular yinye nke CMC ga-irreversibly agbajikwa na-etolite glucose. molekul otu otu.Na-enye ike maka microorganisms ma na-enye ohere ka nje bacteria na-amụba ngwa ngwa.Enwere ike iji CMC dị ka ihe nkwusioru nkwusioru dabere na nnukwu ibu molekụla ya, yabụ mgbe emechara ya biodegraded, mmetụta izizi anụ ahụ mbụ ya na-apụkwa n'anya.Usoro nke ihe nchekwa iji chịkwaa nlanarị nke microorganisms na-apụtakarị n'akụkụ nke inactivation.Nke mbụ, ọ na-egbochi enzymes nke microorganisms, na-emebi metabolism nkịtị ha, na-egbochi ọrụ nke enzymes;Nke abuo, ọ na-agbakọta ma na-egbochi protein microbial, na-egbochi ndụ ha na ịmụ nwa;Nke atọ, mwepu nke akpụkpọ ahụ plasma na-egbochi mkpochapụ na metabolism nke enzymes n'ime anụ ahụ, na-ebute nkwụsị na mgbanwe.Na usoro nke iji ihe nchekwa, anyị ga-achọpụta na mmetụta ahụ ga-ebelata ka oge na-aga.Na mgbakwunye na mmetụta nke àgwà ngwaahịa, ọ dịkwa anyị mkpa ịtụle ihe kpatara nje bacteria ji mepụta iguzogide ihe nchekwa agbakwunyere ogologo oge site na ozuzu na nyocha., yabụ na usoro mmepụta n'ezie anyị kwesịrị dochie ụdị ihe nchekwa dị iche iche maka oge.

6. Mmetụta nke mkpuchi mkpuchi nke slurry glaze

Enwere isi mmalite abụọ nke ọdịda CMC.Otu bụ oxidation nke kọntaktị na ikuku na-akpata, nke ọzọ bụ mmebi nje bacteria na-akpata site na ikpughe.Mmiri na nkwusioru nke mmiri ara ehi na ihe ọṅụṅụ nke anyị nwere ike ịhụ na ndụ anyị na-edozikwa site na trimerization na CMC.Ha na-enwekarị ndụ nchekwa ihe dị ka afọ 1, nke kachasị njọ bụ ọnwa 3-6.Isi ihe kpatara ya bụ iji inactivation Sterilisation na teknụzụ nchekwa mechiri emechi, a na-atụ anya na a ga-emechi glaze ma chekwaa ya.Site na ntụnyere atụmatụ 8 na atụmatụ 9, anyị nwere ike ịchọpụta na glaze echekwara na nchekwa ikuku nwere ike ịnọgide na-arụ ọrụ kwụsiri ike ruo ogologo oge na-enweghị mmiri ozuzo.Ọ bụ ezie na nha na-ebute ikpughe na ikuku, ọ naghị emezu ihe a tụrụ anya ya, mana ọ ka nwere oge nchekwa dị ogologo.Nke a bụ n'ihi na site na glaze echekwara n'ime akpa a karachichi na-ekewapụ oke ikuku na nje bacteria na-agbatị ndụ ndụ nke methyl.

7. Mmetụta nke staleness na CMC

Staleness bụ usoro dị mkpa na mmepụta glaze.Isi ọrụ ya bụ ime ka ihe mejupụtara ya dịkwuo n'otu, wepụ gas gabigara ókè ma mebie ụfọdụ ihe ndị dị ndụ, nke mere na glaze na-adị nro n'oge a na-eji ya eme ihe na-enweghị pinholes, concave glaze na ntụpọ ndị ọzọ.A na-ejikọta fibers polymer nke CMC nke e mebiri n'oge usoro egwe ọka ma na-abawanye ọnụego.Ya mere, ọ dị mkpa ịkwanye maka oge ụfọdụ, ma ogologo oge staleness ga-eduga microbial mmeputakwa na CMC ọdịda, na-akpata mbelata nke eruba ọnụego na mmụba nke gas, ya mere, anyị kwesịrị ịchọta a itule na okwu. nke oge, n'ozuzu 48-72 awa, wdg Ọ ka mma iji glaze slurry .Na mmepụta nke otu ụlọ ọrụ mmepụta ihe, n'ihi na iji glaze dị ntakịrị, kọmpụta na-achịkwa agụba na-akpali akpali, na nchekwa nke glaze na-agbatị ruo minit 30.Ụkpụrụ bụ isi bụ imebi hydrolysis nke CMC na-akpali akpali na kpo oku na okpomọkụ ịrị elu Microorganisms na-amụba, si otú agbatịnụ nnweta nke methyl otu.