Cikakken fahimtar tarwatsawa na polymer foda (VAE) da tasirin sa akan busassun turmi

Redispersible latex foda da aka yi da polymer emulsion ta feshi bushewa. An gauraye shi da ruwa a cikin turmi siminti, emulsified kuma tarwatsa a cikin ruwa, sa'an nan kuma sake farfado da barga polymer emulsion. Bayan an kwaba foda na roba kuma a tarwatsa cikin ruwa, ruwan ya kwashe. An kafa fim ɗin polymer a ciki don inganta kaddarorin turmi. Daban-daban da za'a iya tarwatsawa na latex powders suna da tasiri daban-daban akan busassun turmi.

Wadanne kaddarorin turmi ne za a iya inganta ta hanyar redispersible latex foda?

1. Inganta tasirin tasiri, aiki da juriya na turmi

Turmi yana cike da rami na turmi siminti, an inganta ƙarancin turmi na siminti, kuma an inganta juriyar lalacewa. A ƙarƙashin aikin ƙarfin waje, zai iya haifar da shakatawa ba tare da lalata ba. Ana iya adana takarda ta polymer a cikin tsarin sarrafa turmi na siminti.

2. Inganta mannewa na ginin turmi

Kwayoyin foda na polymer suna da tasirin wetting, ta yadda sassan biyu na turmi siminti zasu iya gudana da kansu. Bugu da ƙari, foda na roba yana da tasirin haifar da iskar gas.

3. Inganta haɗin haɗin gwiwa ƙarfi da haɗin kai na turmi

A matsayin mannen sinadari na kwayoyin halitta, foda mai sake tarwatsewa zai iya samar da ƙarfin matsawa da ƙarfi akan alluna daban-daban. Yana taka muhimmiyar rawa wajen haɗa turmi siminti da albarkatun sinadarai (ciki, allon kumfa mai extruded) da saman allon tsaftacewa. Ana amfani da foda na roba sosai a cikin duk tsarin sarrafa turmi na siminti don inganta haɗin gwiwar siminti.

4. Inganta juriyar tsufa na turmi, da tsayayya da daskare hawan keke, da hana turmi siminti daga fashewa.

Roba foda shi ne resin thermoplastic tare da sassauci mai kyau, wanda zai iya sa turmi ya magance lalacewa ta hanyar yanayin zafi da sanyi na waje, kuma a hankali ya guje wa fasa a cikin turmi saboda canjin yanayin zafi.

5. Ƙara hydrophobicity na turmi da kuma rage danshi abun ciki

Rubutun foda yana lalatawa a cikin rami na simintin siminti da Layer Layer, kuma takarda polymer ba ta da sauƙi don sake tarwatsawa bayan maganin ruwa, toshe kutsawar ruwa da inganta rashin daidaituwa.

Babban aikace-aikace na redispersible latex foda:

Ciki da waje bango putty foda, tayal m, tayal nuni wakili, bushe foda dubawa wakili, waje thermal rufi turmi ga waje bango, kai matakin turmi, turmi gyara, na ado turmi, mai hana ruwa turmi waje thermal rufi busassun gauraye turmi. A cikin turmi, shi ne inganta brittleness, high na roba modules da sauran rauni na gargajiya turmi siminti, da kuma ba da siminti mafi kyau sassauci da kuma juriya bond ƙarfi, ta yadda da tsayayya da kuma jinkirta samar da siminti turmi fasa. Tun da polymer da turmi sun samar da tsarin hanyar sadarwa mai shiga tsakani, ana samar da fim din polymer mai ci gaba a cikin pores, wanda ke ƙarfafa haɗin kai tsakanin haɗuwa da kuma toshe wasu pores a cikin turmi, don haka turmi da aka gyara bayan taurin ya fi turmi ciminti. Akwai babban ci gaba.

Ayyukan samfur na redispersible latex foda:

1. Inganta ƙarfin lanƙwasawa da ƙarfin sassauƙa na turmi

Fim ɗin polymer wanda Zhaojia ya yi redispersible polymer foda yana da kyakkyawan sassauci. Ana yin fina-finai a cikin ramuka da saman ɓangarorin siminti don samar da haɗin kai mai sassauƙa. Tumi siminti mai nauyi da karyewa ya zama na roba. Turmi da aka ƙara tare da sake tarwatsa foda na latex ya ninka sau da yawa cikin juriya da juriya fiye da turmi na yau da kullun.

2. Inganta ƙarfin haɗin gwiwa da haɗin kai na turmi

Bayan da za a iya tarwatsa foda kamar yadda aka samar da wani nau'in halitta a cikin fim, zai iya samar da ƙarfin ƙarfi mai ƙarfi da ƙarfin haɗin kai akan sassa daban-daban. Yana taka muhimmiyar rawa a cikin manne da turmi zuwa Organic kayan (EPS, extruded kumfa jirgin) da m surface substrates. Ana rarraba foda na polymer roba mai yin fim a cikin tsarin turmi a matsayin kayan ƙarfafawa don ƙara haɓakar turmi.

3. Inganta tasiri juriya, karko da kuma sa juriya na turmi

Kwayoyin foda na roba sun cika rami na turmi, yawan adadin turmi ya karu, kuma an inganta juriya na lalacewa. A karkashin aikin karfi na waje, zai haifar da shakatawa ba tare da lalata ba. Fim ɗin polymer na iya kasancewa har abada a cikin tsarin turmi.

4. Inganta juriya na yanayi da juriya na narke turmi, da hana turmi fashewa.

Rubber foda shine resin thermoplastic tare da sassauci mai kyau, wanda zai iya sa turmi ya jimre da canjin yanayin sanyi na waje da zafi, kuma ya hana turmi daga fashewa saboda canjin yanayin zafi.

5. Inganta hydrophobicity na turmi da kuma rage sha ruwa

Foda na latex yana samar da fim a kan rami na turmi da farfajiya, kuma fim din polymer ba zai sake watsewa ba bayan an fallasa shi zuwa ruwa, wanda ke hana kutsewar ruwa kuma yana inganta rashin ƙarfi. Musamman redispersible latex foda tare da hydrophobic sakamako, mafi kyau hydrophobic sakamako.

6. Inganta aikin ginin turmi

Akwai tasirin mai a tsakanin ƙwayoyin foda na polymer roba, don haka kayan aikin turmi na iya gudana da kansa. A lokaci guda, foda na roba yana da tasiri mai tasiri akan iska, yana ba da ƙarfin turmi da inganta aikin ginin turmi.