Starch ether e masani ona faʻaaogaina i le fausiaina o sima, lea e mafai ona aʻafia ai le tutusa o le sima e faʻavae i luga o le gypsum, sima ma le lime, ma suia le fausiaina ma le sag tetee o le sima.E masani ona fa'aoga fa'atasi ma ethers cellulose e le'i fa'aleleia ma suia.E fetaui lelei mo faiga faʻaituau ma alkaline, ma e fetaui ma le tele o faʻaopoopoga i gypsum ma sima oloa (e pei o surfactants, MC, starch ma polyvinyl acetate ma isi polymers vai-soluble).
Vaega autu:
(1) Starch ether e masani ona faʻaaogaina faʻatasi ma le methyl cellulose ether, lea e faʻaalia ai se aafiaga lelei synergistic i le va o le lua.O le fa'aopoopoina o se aofa'iga talafeagai o le masoa ether i le methyl cellulose ether e mafai ona fa'aleleia atili ai le fa'alumaina o le pa'u ma le fa'ase'e o le sima, ma se tau maualuga e maua mai ai.
(2) Faʻaopoopoina se aofaʻi talafeagai o le masoa ether i le sima o loʻo i ai le methyl cellulose ether e mafai ona faʻateleina le faʻaogaina o le sima ma faʻaleleia atili le suavai, faʻalelei le fausiaina ma le sologa lelei.
(3) O le faʻaopoopoina o se aofaʻi talafeagai o le masoa eter i le sima o loʻo i ai le methyl cellulose ether e mafai ona faʻateleina ai le taofiofia o le vai ma faʻaumiumi le taimi tatala.
(4) Starch ether o se chemically suia starch ether soluble i le vai, e fetaui ma isi additives i le pa'u pa'u mago, fa'aaogaina lautele i fa'apipi'i u'amea, fa'alelei sima, sima sima, totonu ma fafo puipui putty, gypsum fa'avae fa'apipi'i So'oga ma mea fa'atumu. , sui fa'afeso'ota'i, sima masonry.
O uiga o le starch ether e masani lava ona taoto i le: (a) faʻaleleia atili o le faʻafefe;(b) faaleleia atili o galuega;(c) faaleleia le fua faatatau o le taofiofia o le suavai o sima.
Avanoa o le fa'aoga:
Starch ether e talafeagai mo ituaiga uma (sima, gypsum, lime-calcium) totonu ma fafo puipui putty, ma ituaiga uma o faafeagai sima ma sima sima.
E mafai ona faʻaaogaina e fai ma faʻafefiloi mo oloa faʻavae sima, oloa faʻavae gypsum ma oloa lime-calcium.Starch eter e lelei le fetaui ma isi fausaga ma faʻafefiloi;e sili ona talafeagai mo le fausiaina o mea faʻafefiloi mago e pei o le sima, faʻapipiʻi, faʻapipiʻi ma mea taʻavale.Ethers starch ma methyl cellulose ethers (Tylose MC grades) o loʻo faʻaaogaina faʻatasi i le fausiaina o faʻafefiloi mago e tuʻuina atu ai le mafiafia maualuga, faʻamalosia le fausaga, faʻafefeteina ma faigofie ona taulimaina.O le viscosity o sima, fa'apipi'i, fa'ama'i ma lola fa'aliliuina o lo'o i ai le maualuga o le methyl cellulose ethers e mafai ona fa'aitiitia e ala i le fa'aopoopoina o ethers starch.
Taimi meli: Iuni-13-2023