Hydroxyethyl cellulose (HEC)bụ polymer na-abụghị ionic mmiri soluble nke a na-ejikarị eme ihe na mkpuchi, ihe owuwu ụlọ, kemịkalụ kwa ụbọchị, ọgwụ, mkpọ mmanụ na ụlọ ọrụ ndị ọzọ. N'ọhịa nke mkpuchi, HEC nwere uru ngwa dị mkpa dị ka onye na-agba ume, stabilizer na ihe nkiri na-emepụta ihe na-arụ ọrụ nke ọma.
1. Ọrụ bụ isi nke HEC na mkpuchi
1.1.Mmetụta siri ike
Otu n'ime isi ọrụ nke HEC bụ inye mmetụta dị mma maka mkpuchi mkpuchi. Site n'ịgbanwe ọnụọgụ na ụdị viscosity nke HEC, mkpuchi ahụ nwere ike inwe ihe ndị dị mma rheological n'oge nchekwa, ihe owuwu na mmepụta ihe nkiri. Ịba ụba ọ bụghị naanị na-eme ka nkwusioru na nkwụsị nkwụsị nke mkpuchi ahụ dịkwuo mma, kamakwa ọ na-eme ka ọ dị nro na-eme ka ọ dị nro na-arụ ọrụ n'oge mkpuchi, na-ebelata ịgbasa na nghọta.
1.2.Melite arụmọrụ ihe owuwu
HEC nwere mma mmanu mmanu na larịị Njirimara. N'oge a na-atụgharị, ịchacha ma ọ bụ ịgbasa, ọ nwere ike imeziwanye mgbasawanye na nrụpụta ihe mkpuchi nke mkpuchi ahụ, na-eme ka mkpuchi ahụ dịkwuo mfe itinye n'otu n'otu ma na-eme ka ọdịdị zuru oke nke mkpuchi ahụ dịkwuo mma. HEC nwere ikike siri ike iji jide mmiri, nke nwere ike igbu oge na-agbanwe agbanwe nke mmiri ma nyere aka mee ka oge na-emeghe na ịmepụta mgbanwe nke agba.
1..3.Mee ka usoro emulsion guzosie ike
Na agba ndị na-adabere na mmiri dị ka agba latex, HEC, dị ka polymer na-abụghị ionic, nwere ike ime ka ọnọdụ mgbasa ozi nke emulsion na pigmenti na ihe ndị na-emepụta ihe, gbochie stratification na agglomeration kpatara site na flocculation ma ọ bụ sedimentation, ma melite nkwụsi ike nchekwa nke agba.
1.4.Nyere aka n'ịmepụta ihe nkiri
Ọ bụ ezie na HEC n'onwe ya abụghị ihe na-emepụta ihe nkiri, a na-ekesa ya na fim mkpuchi ma nwee ike inye aka n'ịmepụta mkpuchi dị oke ma dị mma, melite iguzosi ike n'ezi ihe na ọdịdị ọdịdị nke ihe nkiri ahụ, ọ dịkwa mma karịsịa maka usoro agba mgbidi ime.
2. Uru arụmọrụ nke HEC
Mmiri mmiri dị mma: HEC nwere ike ịgbaze nke ọma na ma mmiri oyi na mmiri ọkụ, ọ dịkwa mfe ịgbakwunye na usoro nhazi iji mepụta ngwọta na-egbuke egbuke ma ọ bụ translucent.
Na-abụghị ionity: Ọ nwere ezigbo ndakọrịta dị iche iche ionic components na ụdị dịgasị iche iche nke emulsions, ma dabara maka usoro mkpuchi nke nwere ụkpụrụ pH dị iche iche.
Nkwụsi ike dị elu: Ọ nwere ike ịnọgide na-eguzosi ike n'ọtụtụ pH (n'ozuzu 3 ~ 11) na ọ naghị adị mfe nkwụsị ọrụ n'ihi mgbanwe nke acidity na alkalinity.
Nchekwa na enyi na gburugburu ebe obibi: HEC sitere na cellulose eke, bụ ihe na-emebi emebi, na-ezute ụkpụrụ gburugburu ebe obibi, enweghị VOC, ọ dịghịkwa ahapụ gas na-emerụ ahụ.
3. Otu esi eji HEC
Mgbe ị na-eji HEC, ịkwesịrị ịṅa ntị na usoro mgbasa ya na mgbasa ya. A na-atụkarị aro usoro ndị a:
Mgbasa ntụ ntụ akọrọ: Jiri nwayọọ fesa HEC ntụ ntụ n'ime mmiri oyi kpaliri iji zere agglomeration. Enwere ike iji akụrụngwa na-akpali akpali dị elu iji melite arụmọrụ mgbasa;
Wetting na ọzịza: The achụsasịrị HEC ahụ mkpa n'ụzọ zuru ezu na-amịkọrọ mmiri na aza, nke n'ozuzu na-ewe 10 ~ 30 nkeji, dabere na HEC nlereanya na mmiri okpomọkụ;
Agbazere na uzo: Mgbe ịsachara mmiri, nọgide na-akpali ma ọ bụ mee ka okpomọkụ dịkwuo mma ka ọ gbazee ya kpamkpam n'ime mmiri mmiri na-egbuke egbuke;
Tinye na usoro: Enwere ike ịgbakwunye ngwọta HEC na mmalite ma ọ bụ njedebe nke ihe ndị na-emepụta ihe iji dozie viscosity na rheological Njirimara nke usoro dị ka ọ dị mkpa.
Ụfọdụ ndị na-emepụta ihe na-enyekwa ihe ngwọta tupu oge ma ọ bụ HEC dị njikere, nke nwere ike ịgbakwunye ozugbo iji mee ka usoro ọrụ ahụ dị mfe.
4. Ihe atụ nke ngwa HEC na ụdị mkpuchi dị iche iche
4.1.Agba latex n'ime ime
Dị ka isi ihe na-agba agba, HEC na-eme ka thixotropy na-ewu ụlọ nke mkpuchi ahụ, na-eme ka ọrụ mgbochi na-eme ka ọ dịkwuo mma, na-eme ka otu na ịdị nro nke mkpuchi ahụ dịkwuo mma.
4.2.Mkpuchi mgbidi dị n'èzí
N'ime mgbidi mgbidi dị n'èzí nwere ihe dị elu chọrọ maka ihu igwe na nguzogide alkali, HEC na-enyere aka melite nkwụsị nke UV na ịka nká, ma na-eme ka adhesion nke mkpuchi na ala oyi akwa.
4.3.Ihe mkpuchi agba na ihe mkpuchi nka
HEC nwere ike inye aka dozie nkwụsi ike nkwusioru nke ụmụ irighiri ihe, gbochie sedimentation nke ụcha agba na mkpuchi mara mma, ma melite ịdị n'otu nke mmepụta ihe nkiri na mmetụta anya.
5. Akpachara anya
Zere agglomeration: HEC dị mfe ịmepụta "anya azụ" agglomerations n'oge usoro mgbakwunye mmiri, nke kwesịrị igbochi site na ngwa ngwa ntụ ntụ na ịkpali nke ọma.
Mgbochi oke ibu: A ga-achịkwa nke ọma ego ole agbakwunyere iji gbochie ihe adịghị mma n'ihe owuwu ma ọ bụ ntụpọ ihe nkiri n'ihi oke viscosity.
Jiri ihe nchekwa mee ihe: HEC bụ polymer eke nke na-emebi ngwa ngwa site na microorganisms. Ekwesịrị iji ya na ihe nchekwa kwesịrị ekwesị iji gbasaa oge nchekwa.
Dị ka ihe mgbakwunye na-arụ ọrụ na arụmọrụ dị elu, nchebe gburugburu ebe obibi na arụmọrụ zuru oke, hydroxyethyl cellulose HEC na-arụ ọrụ na-enweghị atụ na oge a.ụlọ ọrụ mkpuchi mmiri. Ya magburu onwe ndim, nkwusioru, lubrication na-ewu inyeaka ọrụ ọ bụghị nanị na melite n'ozuzu arụmọrụ nke mkpuchi ngwaahịa, ma izute mmepe direction nke gburugburu ebe obibi nchebe na ala VOC omume. Site na mmụba na-arịwanye elu maka ihe mgbakwunye dị elu na ụlọ ọrụ mkpuchi, atụmanya ngwa nke HEC ga-abawanye ụba.
Oge nzipu: Mee-16-2025