Ebe ọ bụ na ihe ndị dị na hydroxypropyl methylcellulose dị ka ethers ndị ọzọ na-edozi mmiri, ọ nwere ike iji na emulsion coatings na mmiri-soluble resin mkpuchi mmiri dị ka ihe nkiri na-emepụta ihe nkiri, thickener, emulsifier na stabilizer, wdg, nke na-enye ihe nkiri mkpuchi mkpuchi. ezigbo abrasion eguzogide.Ihe mkpuchi na-ejikọta ọnụ na nrapanye, yana mma nke elu elu, nkwụsi ike na acids na bases, na ndakọrịta na pigmenti ígwè.
Ebe ọ bụ na HPMC nwere ebe gel dị elu karịa MC, ọ na-eguzogidekwa ọgụ megide nje bacteria karịa cellulose ethers ndị ọzọ, ya mere enwere ike iji ya mee ihe dị ka onye na-emepụta ihe maka mkpuchi emulsion aqueous.HPMC nwere ezi viscosity nchekwa kwụsie ike na ya magburu onwe dispersibility, otú HPMC bụ karịsịa adabara dị ka a dispersant na emulsion coatings.
Ngwa nke hydroxypropyl methyl cellulose na ụlọ ọrụ mkpuchi bụ ndị a.
1.various viscosity HPMC nhazi agba na-eyi nguzogide, elu okpomọkụ na-eguzogide, mgbochi nje nkọwa, ịsacha iguzogide na nkwụsi ike na acids na bases ka mma;a pụkwara iji ya mee ihe dị ka ihe na-agba agba nke nwere methanol, ethanol, propanol, mmanya isopropyl, ethylene glycol, acetone, methyl ethyl ketone ma ọ bụ diketone mmanya thickener;HPMC chepụtara emulsified mkpuchi nwere ọmarịcha abrasion mmiri;HPMC karịa HEC na EHEC na CMC dị ka HPMC nwere mmetụta dị mma karịa HEC na EHEC na CMC dị ka agba agba.
2.Highly dochie hydroxypropyl methyl cellulose nwere mma iguzogide nje ọgụ karịa ala nnọchi, na nwere mma viscosity kwụsie ike na polyvinyl acetate thickeners.A na-echekwa ihe ndị ọzọ cellulose ethers n'ihi nbibi nke agbụ cellulose ether ma mee ka mkpuchi mkpuchi belata.
3.paint stripper nwere ike ịbụ HPMC na-edozi mmiri (ebe methoxy dị 28% ruo 32%, hydroxypropoxy bụ 7% ruo 12%), dioxymethane, toluene, paraffin, ethanol, nhazi methanol, a ga-etinye ya n'elu elu kwụ ọtọ, na achọrọ viscosity na volatility.Nke a na-agbapụ agba na-ewepụ ọtụtụ agba ịgba agba, varnishes, enamels, na ụfọdụ epoxy esters, epoxy amides, catalyzed epoxy amides, acrylates, wdg. Ọtụtụ agba nwere ike bee na sekọnd ole na ole, ụfọdụ agba chọrọ 10 ~ 15min ma ọ bụ karịa, nke a agba agba na-adabara maka elu osisi.
4.Water emulsion agba nwere ike mejupụtara 100 akụkụ nke inorganic ma ọ bụ organic pigmenti, 0.5 ~ 20 akụkụ mmiri-soluble alkyl cellulose ma ọ bụ hydroxyalkyl cellulose na 0.01 ~ 5 akụkụ nke polyoxyethylene ether ma ọ bụ ether ester.Dịka ọmụmaatụ, a na-enweta agba agba site na ịgwakọta akụkụ 1.5 nke HPMC, akụkụ 0.05 nke polyethylene glycol alkyl phenyl ether, akụkụ 99.7 nke titanium dioxide na akụkụ 0.3 nke carbon ojii.A na-emegharị ngwakọta ahụ na akụkụ 100 nke 50% siri ike polyvinyl acetate iji nweta ihe mkpuchi ahụ, ọ dịghịkwa ihe dị iche n'etiti ihe nkiri mkpuchi akọrọ akpụpụtara site n'itinye ya na mpempe akwụkwọ na-ehichapụ ya nke ọma na ahịhịa.
Oge nzipu: Mee-20-2022