Seimwe yemhando dzakakosha dze cellulose ether mu dry powder mortar, hydroxypropyl methylcellulose ine mabasa akawanda mu mortar. Basa rakakosha re hydroxypropyl methylcellulose mu mortar cement ndeyekuchengetedza mvura nekukora. Pamusoro pezvo, nekuda kwekubatana kwayo nesystem yecement, inogona zvakare kuita basa rekubatsira mukusimbisa mhepo, kudzoreredza mamiriro, uye kuvandudza simba rekubatanidza.
Chinhu chinonyanya kukosha chehydroxypropyl methylcellulose mumortar ndechekuchengetedza mvura. Sekusanganiswa kwe cellulose ether mumortar, hydroxypropyl methylcellulose inogona kushandiswa muzvinhu zvese zvemortar, kunyanya nekuda kwekuchengetedza kwayo mvura. Kazhinji, kuchengetedza mvura kwehydroxypropyl methylcellulose kunoenderana nekunaka kwayo, mwero wekutsiva uye saizi yezvikamu.
Hydroxypropyl methylcellulose inoshandiswa semuchina wekuomesa, uye kukora kwayo kwakabatana nehuwandu hwekutsiva, saizi yezvikamu, kukora uye huwandu hwekuchinjwa kwehydroxypropyl methylcellulose. Kazhinji, huwandu hwekutsiva uye kukora kwe cellulose ether hwakakwira, uye zvidimbu zvidiki, kukora kwacho kunonyanya kuoneka.
Mu hydroxypropyl methylcellulose, kuunzwa kwe methoxy groups kunoderedza simba repamusoro remvura ine hydroxypropyl methylcellulose, zvekuti hydroxypropyl methylcellulose ine simba rekupinda mumhepo pa simende. Isa mabubbles emhepo akakodzera mumota, nekuda kwe "ball effect" yemabubbles emhepo,
Kushanda kwesimbi yekuvaka kunovandudzwa, uye panguva imwe chete, kuiswa kwemabubble emhepo kunowedzera mwero wekubuda kwesimbi yekuvaka. Ehe, huwandu hwesimbi yemhepo hunofanira kudzorwa. Kuwanda kwesimbi yemhepo kunokanganisa simba resimbi yekuvaka.
Hydroxypropyl methylcellulose inononotsa kugadzirwa kwesimende, nokudaro ichinonotsa kugadzirwa nesimende uye kuoma kwayo, uye ichiwedzera nguva yekuvhurwa kwesimende zvinoenderana, asi izvi hazvina kunaka kune simende munzvimbo dzinotonhora.
Sechinhu chepolymer chine chain refu, hydroxypropyl methylcellulose inogona kuvandudza mashandiro ekubatana ne substrate mushure mekuwedzerwa kune simende system pasi pepfungwa yekuchengetedza hunyoro muslurry zvizere.
Muchidimbu, mashandiro eHPMCMudhaka zvinosanganisira: kuchengetedza mvura, kukora, kuwedzera nguva yekugadzika, kusimbisa mhepo uye kuvandudza simba rekusungana, nezvimwewo.
Nguva yekutumira: Zvita-19-2022