Dị ka ihe kachasị mkpa na-etinye aka na ngwaahịa akọrọ ntụsara ahụ, cellulose ex na-arụ ọrụ dị mkpa na arụmọrụ yana ụgwọ nke ngwa ngwa akpọchi. E nwere ụdị nke mkpụrụ ndụ cellugul: otu bụ ụdị celloxythythythythythythythylythythylythylythylyosethyl, dị ka selthyl cellulose (mc), hydroxyyl cellulose (HPMC), wdg), wdg), wdg . Na a na-aba ụba nke ngwa ngwa ngwa akpọnwụ akpọnwụ, obodo m ga-abụrụ onye na-emepụta ngwa agha nke ụwa, na ndị nrụpụta ya na ụdị ngwaahịa ya ga-aba ụba. Nrụpụta ngwaahịa nke cellulose ether na ngwa agha a gwakọtara ọnụ nke ndị na-emepụta na ndị ọrụ.
Akụ kachasị mkpa nke cellulose eather bụ ụdị njide mmiri ya na ụlọ. Na-enweghị mgbakwunye nke cellose eather, oyi akwa nke ngwa agha na-apụ ngwa ngwa na ciment enweghị ike ịmịcha ọnya na ngwa agha enweghị ike isi ike ma nweta ezigbo cohesion. N'otu oge ahụ, mgbakwunye nke cellose ether na-eme ka ngwa agha ahụ nwere ezigbo plastity na mgbanwe mgbanwe, ma na-eme ka ike nke ngwa agha ahụ. Ka anyị kwuo banyere mmetụta na ngwa ngwa ngwa akpọnwụ site na arụmọrụ ngwaahịa nke cellulose ether.
1. Ọdịmma nke cellulose
Ọdịmma nke cellulose ether na-emetụta onye so ya. Dịka ọmụmaatụ, belata nsị nke sel ether, ọ na-eme ngwa ngwa ka ọ na-agbaze na mmiri na mmelite nke arụmọrụ mmiri. Ya mere, ekwesịrị itinye ya nke ether ether dị ka otu n'ime ihe nchọpụta ya. N'ikwu okwu n'ozuzu, onye na - eme ihe na --ewe nke cellulose na - eme nke ọma karịa 0.212mm ekwesịghị ịbụ ihe karịrị 8.0%.
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Ọnụego ịkpụlata na-egbochi ọnụego nke ihe furu efu nke ihe furu efu na oke nke ihe nlereanya mbụ mgbe mkpụrụ osisi ahụ akpọnwụwo na ụfọdụ okpomọkụ. N'ihi na ụfọdụ ogo nke cellulose eather, ọnụego belata ibu dị oke elu, nke ga-ebelata ọdịnaya nke ihe ndị na-arụ ọrụ na cellosures, na-abawanye ọnụahịa azụ. Ọtụtụ mgbe, ibu dị arọ na ihicha nke cellulose Ewer abụghị ihe karịrị 6.0%.
3. Sulfate ash ọdịnaya nke cell
N'ihi na ụfọdụ ogo nke cellulose eather, ọdịnaya ntụ dị oke elu, nke ga-ebelata ọdịnaya nke ihe ndị na-arụ ọrụ na celluluse evera na-emetụta ọrụ nke onye isi ala. The sulfate ash ọdịnaya nke cell eather bụ ihe dị mkpa nke ya. Jikọtara ya na ọkwa dị ugbu a nke ndị na-emepụta obodo e nwere, HPMC, HPMC, ọgaghị ogo nke heal hethether ekwesighi karịa 100%.
4. Viscosis nke sel
Njide mmiri na ụdị mmetụta nke cellose na-adabere na viscosise na usoro nke sel na-agbakwunye na ciment slurry.
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Volutydị viocosis nke osisi ether ga-eji nwayọọ nwayọọ kpuchie ya na elu okpomọkụ ma ọ bụ ogologo oge, ọ dị mkpa iji gbochie PH. N'ozuzu, ọ bụ ihe amamihe dị na ya ịchịkwa ụdị mkpụrụ osisi cellulose Ether ruo 5-9.
6. Nbugharị ọkụ nke sel
Ntughari ọkụ nke cellulose eather na-emetụta mmetụta ya na akụrụngwa ụlọ. Isi ihe ndị na-emetụta ntụgharị ọkụ nke cellulose ether bụ: (1) ogo nke akụrụngwa; (2) mmetụta nke alkalization; (3) usoro a ruru; (4) Rutent ruru; (5) mmetụta neutralization. Dabere na iji nsonaazụ ya, ntụgharị ọkụ nke cellulose ether ekwesịghị ịbụ ihe na-erughị 80%.
7. Gel okpomọkụ nke sel
A na-eji Ether na-ejikarị viscosir, plastizer na mmiri na-ejide mmiri na ngwaahịa ciment, viscosis na gel bụ usoro dị mkpa iji mara ogo nke cellulose ether. A na-eji okpomọkụ gel kpebie ụdị mkpụrụ osisi ahụ, nke metụtara ogo nke ndị nnọchi anya ndị ọzọ. Na mgbakwunye, nnu na adịghị ike nwekwara ike imetụta ọnọdụ okpomọkụ. Mgbe ọnọdụ okpomọkụ nke ihe ngwọta ahụ na-awa, polymer polymer nke nta nke nta na-efufu mmiri, na viscosis nke ihe ngwọta na-ebelata. Mgbe ruru Gel isi, a na-ehicha polymer kpamkpamdred ma na-etolite gel. Ya mere, na ngwaahịa ciment, a na-achịkwa okpomoku ahụ n'okpuru okpo elu gel mbụ. N'okpuru ọnọdụ a, belata okpomọkụ ahụ, na viscosity dị elu, na nsonaazụ doro anya ka mmetụta nke oke na njigide mmiri.
Oge post: Jun-01-2023