kutanga. Kutanga nzwisisa kuti chii chinonziupfu hwepolymer hunonyungudika.
Upfu hwepolymer hunopararira hunobva kupolymer emulsions kuburikidza nenzira chaiyo yekuomesa nepfapfaidzo (uye kusarudzwa kwezvinowedzera zvakakodzera). Upfu hwepolymer hwakaoma hunoshanduka kuita emulsion kana hwasangana nemvura, uye hunogona kuomeswa zvakare panguva yekuomesesa uye kuoma kwemortar, kuitira kuti zvidimbu zvepolymer zvigadzire chimiro chemuviri wepolymer mumortar, izvo zvakafanana nemaitiro ekushanda kwepolymer emulsion, iyo inogona kuvandudza simende yesimbi. Emulsion dry powder modified mortar inonzi dry powder mortar (inozivikanwawo se dry mixed mortar, dry mixed mortar). Sezvo dry powder isingade kufunga nezve emulsion formulation uye kugadzikana senge polymer emulsions, huwandu hushoma hwekusanganiswa hunogona kuita kuti mortar iwane hunhu hwaunoda, uye ine mabhenefiti ekurongedza zviri nyore, kuchengetedza, kutakurwa uye kupa kupfuura emulsions, antifreeze uye kusakura kwemould, Dambudziko remabhakitiriya mapenyu, uye mukana wekuti inogona kugadzirwa kuva chigadzirwa chimwe chete chine kurongedza kwakagadzirira senge simende nejecha, uye inogona kushandiswa mushure mekuwedzera mvura.
Pakuisa, sanganisa uye rongedza jecha, simende, emulsion dry powder nezvimwe zvinowedzera zvinobatsira pachine nguva, uye unongoda kuwedzera huwandu hwemvura panguva yekuvaka panzvimbo yacho kuti ugadzire dry powder mortgage ine mashandiro ari nani. Chinhu chikuru chekugadzirwa kwe dry emulsion powder ndechekuti polymer particles mushure mekudirwazve kwelatex powder inoratidza saizi ye particles kana kupararira kwe particles yakafanana neyepakutanga emulsion polymer particles. Huwandu hwakati hwe colloid inodzivirira senge polyvinyl alcohol inofanira kuwedzerwa ku emulsion, kuitira kuti latex powder ikwanise kudirwa zvakare mu emulsion kana yasangana nemvura. Kana latex powder yadirwa zvakanaka chete ndipo painogona kuwana mhedzisiro yakanaka. . Dispersible polymer powder inowanzova chena powder. Zvimisikidzo zvayo zvinosanganisira:
Polymer resin: Iri pakati pezvikamu zverabha zveupfu, uye ndiyo zvakare chikamu chikuru chepolymer powder inogona kunyungudika.
Chinowedzera (chemukati): pamwe chete neresin, chinoita basa rekugadzirisa resin. Zvimwe zvinowedzera (zvekunze): Zvimwe zvinhu zvinowedzerwa kuti zviwedzere kushanda kwepoda yepolymer inopararira.
Colloid inodzivirira: jira remvura rinonyungudika rakaputirwa pamusoro pezvidimbu zveupfu hwelatex zvinonyungudika, colloid inodzivirira yeupfu hwakawanda hwelatex hunonyungudika ipolyvinyl alcohol.
Mushonga wekudzivirira kuchekwa: muchina wekuzadza mineral wakatsetseka, unoshandiswa kudzivirira upfu hwerabha kuti husachekwa panguva yekuchengetera nekutakura uye kubatsira kuyerera kweupfu hwerabha (hunorasirwa mumabhegi epepa kana mumatangi.)
Ungaziva sei mhando yehupfu hwelatex hunonyungudika zvakare?
Nzira 1, nzira yedota
Tora huwandu hwakati hweupfu hwelatex hunonyungudika, uhuise mumudziyo wesimbi mushure mekuyera, upise kusvika kumadigirii mazana mashanu, mushure mekunyorovesa patembiricha yepamusoro ye500 degrees, utonhore kusvika patembiricha yemukamuri, wozoyera zvakare. Huremu hwakareruka uye hwemhando yepamusoro.
Nzira yechipiri, nzira yekuputsa
Tora huwandu hwakati hweupfu hwelatex hunonyungudika wohunyungudutsa muhuwandu hwakapetwa kashanu hwemvura, kurunga zvakanaka worega humire kwemaminitsi mashanu usati waona. Chaizvoizvo, kana zvinhu zvishoma zvikaiswa muchikamu chezasi, hunhu hweupfu hwepolymer hunonyungudika hunowedzera. Nzira iyi iri nyore uye iri nyore kuita.
Nzira yechitatu, nzira yekugadzira firimu
Tora hupfu hwelatex hunonyungudika, uhunyungudise kaviri mumvura, uhukurudzire zvakaenzana, rega humire kwemaminitsi maviri, uhukurudzire zvakare, dururira mvura yacho pagirazi rakachena rakati sandara, woisa girazi munzvimbo ine mhepo inofefetera. Bvisa kana yaoma zvachose. Tarisa firimu repolymer rabviswa. Kujeka kwakanyanya uye mhando yakanaka. Wobva wadhonza zvine mwero, nekupfava kwakanaka uye mhando yakanaka. Firimu racho rakachekwa kuita zvidimbu, rakanyikwa mumvura, uye mushure mezuva rimwe chete, mhando yefirimu yakanga isinganyunguduke zvakanyanya mumvura. Nzira iyi inonyanya kushanda.
Nguva yekutumira: Gumiguru-27-2022