I-starch ether kwi-mortar

I-starch ether Yenza i-mortar ibe nkulu, yonyuse ukumelana nokuwa, ukumelana nokuwa kunye ne-rheology ye-mortar

Umzekelo, ekwakhiweni kweglue yethayile, i-putty, kunye ne-plastering mortar, ingakumbi ngoku ekubeni ukutshiza ngoomatshini kufuna ukunyibilika okuphezulu, umzekelo, kubaluleke kakhulu kwi-motar esekwe kwi-gypsum (i-plaster etshizwa ngomatshini ifuna ukunyibilika okuphezulu kodwa iya kubangela ukuwohloka okukhulu, i-starch Ether inokuyilungisa le ngxaki).

Ukumelana nolwelo kunye nokuwohloka kudla ngokuphikisana, kwaye ukwanda kokuwohloka kuya kubangela ukwehla kokuwohloka. I-mortar eneempawu ze-rheological inokusombulula kakuhle impikiswano yokuba xa kusetyenziswa amandla angaphandle, i-viscosity iyancipha, nto leyo ephucula ukusebenza kunye nokumpompa, kwaye xa amandla angaphandle erhoxiswa, i-viscosity iyanda kwaye iphucula ukuwohloka.

Ngokuphathelele umkhwa wangoku wokwandisa indawo yethayile, ukongeza i-starch ether kunokuphucula ukumelana kokutyibilika kwe-adhesive yethayile.

2) Yandisa iiyure zokuvula

Kwizinto zokuncamathelisa iithayile, ingahlangabezana neemfuno zezinto zokuncamathelisa iithayile ezikhethekileyo ngexesha elide lokuvula (Udidi E, luthatha ukusuka kwimizuzu engama-20 ukuya kwimizuzu engama-30 ukuya kuthi ga kwi-0.5MPa).

a. Ukuphuculwa kokusebenza komphezulu

I-starch ether ingenza umphezulu we-gypsum-based kunye ne-samente ube mpuluswa, kube lula ukuwusebenzisa, kwaye unefuthe elihle lokuhombisa. Ibaluleke kakhulu kwii-mortars ezisekwe kwi-plaster kunye nee-mortars ezihombisayo ezinomaleko omncinci ezifana ne-putty.

b. Indlela yokusebenza kwe-starch ether

Xa i-starch ether inyibilika emanzini, iya kusasazeka ngokulinganayo kwinkqubo yesamente. Ngenxa yokuba iimolekyuli ze-starch ether zinesakhiwo senethiwekhi kwaye zitshajwa kakubi, ziya kufunxa amasuntswana esamente atshajwe kakuhle, anokusetyenziswa njengebhulorho yokutshintsha ukudibanisa isamente, ngaloo ndlela inika ixabiso elikhulu lemveliso ye-slurry linokuphucula isiphumo sokuchasana nokugoba okanye sokungatyibiliki.