I-01. Iipropathi ze-Sodium Carboxymethylcelcelcelcelcelcelcelcelcelcelcelcelose
I-Sodium Carboxymethyl Seleose yi-anaion polymer eleclict. Inqanaba lokufakwa endaweni ye-CMC yoRhwebo ukusuka kwi-0.4 ukuya kwi-1.2. Kuxhomekeka kubunyulu, imbonakalo imhlophe okanye i-White-White emhlophe.
1. I-vickosity yesisombululo
Uhlobo lwe-viscosity yeSisombululo se-CMC esonyuka ngokukhawuleza ngokunyuka koxinzelelo, kwaye isisombululo sineempawu zokuhamba ze-pseudoplastic. Isisombululo esinenqanaba elisezantsi lokufaka endaweni (DS = 0.4-0.7) Rhoqo i-Thrixotdy, kwaye i-ticofity ebonakalayo iya kutshintsha xa isetyenziselwa isisombululo. I-viscosity yesisombululo se-CMC sincipha ngokukhulisa ubushushu, kwaye le mpembelelo iguqukele xa iqondo lobushushu alidluli kwi-50 ° C. Kwiqondo lokushisa eliphezulu ixesha elide, i-CMC iya kuphembelela. Esi sesona sizathu sokuba i-glaze iqula i-glaze ilula kwaye iwohloka xa iprinta i-printa ipile lembonakalo le-glaze.
I-CMC esetyenziselwa i-glaze kufuneka inyule imveliso enomgangatho ophezulu wokufaka endaweni yokufaka endaweni, ngakumbi ukopha oko.
2. Isiphumo sexabiso le-pH kwi-CMC
Uhlobo lwe-viscosity ye-CMC ACTEACOOUR Ihlala ibaluleke kakhulu kububanzi be-pH, kwaye uninzi luhlala phakathi kwe-PH 7 nele-9. Nge-PH
Ixabiso liyancipha, kwaye i-CMC ijika kwifom yetyuwa kwifom ye-acid, enganyibilikiyo emanzini kunye ne-precipitites. Xa ixabiso le-pH lingaphantsi kwe-4, uninzi lwefomu yetyuwa ijika ibe yifom ye-AID kunye ne-precipitites. Xa i-PH ingezantsi kwe-3, inqanaba lokufaka endaweni lingaphantsi kwe-0.5, kwaye linokuguqula ngokupheleleyo kwifom yetyuwa kwifom ye-acid. Ixabiso le-pH yotshintsho olupheleleyo lwe-CMC ngenqanaba eliphezulu lokufakwa endaweni (ngaphezulu kwe-0.9) lingaphantsi kwe-1. Ke ngoko, zama ukusebenzisa i-CMC ngenqanaba lokufakelwa.
3. Ubudlelwane phakathi kwe-CMC kunye ne-ion yentsimbi
I-ions monavalentol i-ions inokwenza ii-ityiwa ezinyibilikayo kunye ne-CMC, ezingayi kuchaphazela i-viscofity, ukungafihli nto kunye nezinye iipropathi zesisombululo esinamandla, kodwa eziya kubangela isisombululo ukuze siphile. I-ions yentsimbi, enjenge-BA2 +, fe2 +, fe2 +, pb2 +, ns2 +, njl. I-Ca2 +, MG2 +, MN2 +, njl. Njan. I-ion yentsimbi eninzi ye-intshi i-Insullen ye-Insolle nge-CMC, okanye i-picmate okanye i-gel, ke i-chloric chloric ayinakuqina nge-CMC.
Kukho ukungaqiniseki kwimpembelelo yokunyamezela kwetyuwa ye-CMC:
(1) Inxulumene nohlobo lwetyuwa yensimbi, ixabiso le-pH lesicombululo kunye nenqanaba lokufakwa endaweni ye-CMC;
(2) Inxulumene nomyalelo wokuxuba kunye nendlela ye-CMC netyuwa.
I-CMC enenqanaba eliphezulu lokufakwa endaweni ihambelana nokuhambelana neetyuwa, kunye nesiphumo sokumongeza ityiwa kwisisombululo se-CMC silunge ngakumbi kunelinye lamanzi etyiwa.
I-CMC ilungile. Ke ngoko, xa ulungiselela i-osmotic gy, inyibilikisa i-CMC emanzini kuqala, kwaye yongeza isisombululo se-osmoct.
02. Ungayiqonda njani i-CMC kwimarike
Ihlelwe bubunyulu
Inqanaba lokucoceka eliphezulu-umxholo ungaphezulu kwe-99,5%;
Ibakala elicocekileyo lemizi-mveliso-Umxholo ungaphezulu kwe-96%;
Imveliso e-CROD-Umxholo ungaphezulu kwe-65%.
Ihlelwe nguVolcosity
Uhlobo lwe-viscofity ephezulu - i-1% isisombululo isisombululo ngaphezulu kwe-5;
Uhlobo lwe-viscosity viscosity-i-viscosity yesisombululo se-2% ingaphezulu kwe-5.
Uhlobo lwe-viscofity ephantsi - 2% isisombululo isisombululo ngaphezulu kwe-0.05 paro.
I-03. Ingcaciso yemodeli eqhelekileyo
Umenzi ngamnye unemodeli yayo, kuthiwa kukho iintlobo ezingaphezu kwe-500. Eyona modeli ixhaphakileyo inenxalenye ezintathu: X-Y-Z.
Ileta yokuqala imele ukusetyenziswa kweshishini:
F - Ibakala lokutya;
Ibanga lemveliso;
C-Ibakala le-ceramic;
O - Ibakala le-petroleum.
Ileta yesibini imele inqanaba lokufika:
H - i-viscofity ephezulu
M - i-viscoim ephakathi
L - i-vissity esezantsi.
Ileta yesithathu imele inqanaba lokufaka endaweni, kwaye inani lahlulahlulwe ngu-10 lelona nqanaba lokufakwa endaweni ye-CMC.
Umzekelo:
Imodeli ye-CMC yi-FH9, oko kuthetha ukuba i-CMC inebakala lokutya, i-viscofity ephezulu kunye nenqanaba le-0.9.
Imodeli ye-CMC yi-CM2, okuthetha i-CMC yeBangaramiki yeBanga laseMeramic, i-viscosity ephakathi kunye ne-0.6.
Ngokuhambelana, kukho amabakala asetyenziswe kumayeza, amanye amaphepha kunye namanye amashishini, anqabileyo ekusebenziseni umsebenzi we-ceramic.
04. Imigangatho yokukhetha i-Ceramic
1. Uzinzo lwe-viscosity
Le yimeko yokuqala yokukhetha i-cmc ye-glaze
(1) I-Viscosity ayitshintshi kakhulu nangaliphi na ixesha
(2) I-viscofity ayitshintshi kakhulu ngamaqondo obushushu.
2. I-TIXTROPY
Kwimveliso yeethayile ezibilayo, i-glaze slurry ayinakuba yiThokotropic, kungenjalo iya kuchaphazela umgangatho womgangatho obi, ke kungcono ukhethe ukukhetha iBanga le-CMC. Ukwenzela ukunciphisa iindleko, abavelisi abazimeleyo basebenzisa iBanga le-CMCC, kunye nomgangatho welfle kuchaphazeleka ngokulula.
3. Nika ingqalelo kwindlela yovavanyo lokuvavanya
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(2) Nika ingqalelo kufakwe isisombululo se-CMC. Indlela yokuvavanya engqongqo kukukhuthaza isisombululo iiyure ezi-2 ngaphambi kokulinganisa i-viscofity yayo;
(3) Iqondo lobushushu linempembelelo enkulu kwi-viscofity, ke ingqwalaselo kufuneka ihlawulwe kubushushu obude ngexesha lovavanyo;
(4) Nika ingqalelo kulondolozo lwesisombululo se-CMC ukuthintela ukonakala kwayo.
(5) Nika ingqalelo umahluko phakathi kokufakwa nokungaguquguquki.
IXESHA LOKUQALA: UJan-05 ukuya ku-523