Starch ether mee ka ngwa agha ahụ sie ike, mụbaa nguzogide sag, nguzogide sag na rheology nke ngwa agha ahụ.
Dị ka ihe atụ, n'ịrụ tile gluu, putty, na plasta ngwa agha, karịsịa ugbu a na n'ibu spraying na-achọ ka mmiri dị elu, dị ka ihe atụ, ọ dị mkpa karịsịa na gypsum ngwa agha (igwe sprayed plaster chọrọ nnukwu mmiri mmiri ma ọ ga-eme ka oké sagging phenomenation). , starch Ether nwere ike mejupụta ntụpọ a).
Mmiri mmiri na nguzogide sag na-emegidekarị, na mmụba nke mmiri mmiri ga-eweta mbelata nke nguzogide sag. The ngwa agha na rheological Njirimara nwere ike dozie esemokwu ahụ na mgbe a na-etinye ike mpụga, viscosity na-ebelata, nke na-eme ka arụ ọrụ na pumpability dịkwuo elu, na mgbe a na-ewepụ ike mpụga, viscosity na-abawanye ma na-eme ka nkwụsị nke sag dịkwuo mma.
Maka ihe na-eme ugbu a na-abawanye ebe tile, ịgbakwụnye starch ether nwere ike imeziwanye nkwụghachi nke nrapado taịlị.
2) Gbatịkwuo oge mmeghe
Maka adhesives taịlị, ọ nwere ike izute ihe achọrọ nke nrapado taịlị pụrụ iche nwere ogologo oge oghe (Klas E, gbasaa site na 20min ruo 30min iji ruo 0.5MPa).
a. Mmelite arụmọrụ elu
Starch ether nwere ike ime ka elu nke gypsum dabeere na ciment mortar dị nro, dị mfe itinye, ma nwee mmetụta ịchọ mma. Ọ bara ezigbo uru maka ngwa agha ndị na-eji plasta na ngwa ngwa ịchọ mma dị mkpa dị ka putty.
b. Usoro ọrụ nke starch ether
Mgbe ether starch na-agbaze na mmiri, a ga-agbasasị ya n'otu n'otu na usoro ciment mortar. N'ihi na starch ether molekul nwere netwọk Ọdịdị na na-ezighị ezi ebubo, ha ga-adsorb ziri ezi ebubo ciment ahụ, nke nwere ike ji mee ihe dị ka a mgbanwe akwa jikọọ ciment, si otú na-enye The ibu mkpụrụ uru nke slurry nwere ike melite mgbochi sagging ma ọ bụ. mmetụta mgbochi-slip.
Oge nzipu: Eprel-26-2024