CMC na-eji na Paints and Coatings Industry

Agba sodium carboxymethyl cellulose ọkwanwere ịdị mma nke ukwuu, mgbasa na nkwụsi ike, ọ nwere ike imeziwanye viscosity na rheology nke mkpuchi, ya mere a na-eji ya eme ihe n'ọtụtụ ebe dị iche iche, mkpuchi latex, mmiri na-adabere na mpụta na ime ụlọ, nkedo mkpuchi na ihe ndị ọzọ.

Iji ngwa ngwaagba carboxymethyl cellulose ọkwa:

Ihe a na-akpọ ngwa ngwa ngwa ngwa pụtara na CMC ntụ ntụ nwere ike gbasasịa ma gbazee ngwa ngwa na ngwọta mmiri na ụlọ okpomọkụ, nke dị iche na ụdị nke CMC ji nwayọọ nwayọọ gbazee (ụdị CMC na-achọkarị ma ọ dịkarịa ala 2-3 awa nke elu- ọsọ na-akpali akpali na-agbaze kpamkpam). The viscosity nke ozugbo mkpuchi ọkwa carboxymethyl cellulose CMC agaghị ozugbo iru ya n'ezie viscosity na ngwa ngwa mgbasa nke ntụ ntụ, na ga-na 10-15 nkeji mgbe mgbasa nke viscosity, guzobe nke n'ezie viscosity nwere ike nweta colloid. . Tụkwasị na nke ahụ, nkwụsi ike colloid nke CMC ozugbo dị mma karịa nke CMC omenala nwere otu nkọwa.

Ngwa ngwasolubleA na-eji carboxymethyl cellulose CMC eme ihe n'ụdị mkpuchi mmiri ọ bụla, dị ka latex ọcha, agba latex, putty, agba enyemaka, agba nkume eke, wdg.

Uru nkeagba carboxymethyl cellulose ọkwa:

A) A naghị ekpuchi mkpuchi mkpuchi ma nwee ike ichekwa ya ogologo oge;

B) Ọ nwere ike ịnye ngwa ngwa ngwa ngwa ngwa ngwa ngwa ngwa maka mkpuchi mkpuchi na mpaghara pụrụ iche;

C) N'ụzọ dị irè dozie rheology nke glaze slurry, ikwado glaze ngwa, na-eme ka glaze slurry na ike dispersion steeti;

D) Na-emeziwanye ike glaze na ire ụtọ nke ọma ka ọ ghara igbochi deglazing;

E) Gbaa mbọ hụ na usoro mbipụta na mmepụta nke glaze na-ebipụta akwụkwọ, na usoro ndị e biri ebi doro anya ma mara mma;

F) A gaghị enwe ihe mgbochi na usoro mbipụta akwụkwọ glaze, CMC nwere ezigbo mmiri solubility na ihe fọrọ nke nta ka ọ bụrụ ihe na-adịghị edozi ahụ dị ka eriri eriri;

Agba ọkwaCMCUsoro mgbasa nke carboxymethyl cellulose:

Nkeagba A na-agwakọta ọkwa carboxymethyl cellulose na mmiri ozugbo wee kwadebe ya ka ọ bụrụ gluu mado maka ojiji emechaa. Ọkwa na nhazi mkpuchi carboxymethyl cellulose tapawa nrapado, mbụ na Ịgwakọta osisi Efrata na cylinder isonyere a ụfọdụ ego nke mmiri dị ọcha, na-emeghe n'okpuru ọnọdụ nke edemede ngwaọrụ, mkpuchi larịị nke carboxymethyl cellulose nwayọọ nwayọọ na evenly ka Efrata na cylinder , nwuo mgbe niile, mee agba carboxymethyl cellulose na mmiri larịị fusion, carboxymethyl cellulose ike n'ụzọ zuru ezu gbazee mkpuchi larịị. Mgbe agbaze agbaọkwa carboxymethyl cellulose, ihe mere evenly gbasaa, na mgbe niile na-akpali akpali, nzube bụ "iji gbochie agba ọkwa carboxymethyl eriri na mmiri izute, agglomeration, agglomeration, belata agba ọkwa carboxymethyl cellulose solubility nsogbu", na melite mgbasa ọnụego nke agba ọkwa carboxymethyl. cellulose. Na-akpali akpali oge na agba ọkwa carboxymethyl cellulose zuru mgbasa oge adịghị agbanwe agbanwe, bụ abụọ echiche, n'ozuzu na-ekwu okwu, edemede oge dị mkpụmkpụ karịa agba ọkwa carboxymethyl cellulose zuru mgbasa oge, chọrọ oge dabere na kpọmkwem ọnọdụ.

Kpebisie ike na-akpali akpali oge na ndabere nke: mgbe carboxymethyl cellulose na mmiri evenly chụgara, ọ dịghị ihe doro anya na nnukwu akpụ ihe, ị nwere ike kwụsị ịkpali, nke mere na carboxymethyl cellulose na mmiri na static steeti ibe penetration, ibe fusion.

Kpebie mgbasa nke carboxymethyl cellulose nke oge a chọrọ na ndabere nke akụkụ ndị a:

(1) ọkwa agbaCMCcarboxymethyl cellulose na mmiri na-kpamkpam bonded, na ọ dịghị ihe siri ike-mmiri nkewa n'etiti ha;

(2) The agwakọta mado dị n'otu ọnọdụ, na elu dị ire ụtọ;

(3) Agba nke aleurone agwakọtara dị nso na enweghị agba na nghọta, ọ nweghịkwa granular ihe dị na aleurone. Site na agba agbaCMCA na-etinye carboxymethyl cellulose n'ime tankị ngwakọta na mmiri, ruo ọkwa agbaCMCcarboxymethyl cellulose gbazere kpamkpam, oge achọrọ n'etiti awa 10 ruo 20.