Iko kushandiswa kukuru kwe redispersible latex powder
Yemukati nekunze madziro putty poda, tile inonamira, tile inonongedza agent, yakaoma poda interface mumiriri, yekunze yekupisa yekuvharisa dhaka yekunze kwemadziro, inozvimisa-leveling dhaka, kugadzirisa dhaka, dhaka rekushongedza, dhaka risina mvura kunze kwekupisa kwekupisa kwakaoma-musanganiswa dhaka. Mudhaka, ndeye kuvandudza brittleness, yakakwira elastic modulus uye kumwe kusasimba kwechinyakare simende dhaka, uye kupa dhaka resimende nekushanduka kuri nani uye kusimba kwechisungo chesimba, kuitira kuramba uye kunonoka chizvarwa chekutsemuka kwesamende. Sezvo iyo polymer uye dhaka zvinoumba interpenetrating network chimiro, inoenderera polymer firimu inoumbwa mumapores, iyo inosimbisa chisungo pakati peaggregates uye inovhara mamwe pores mudhaka, saka yakagadziridzwa dhaka mushure mekuoma iri nani pane simende dhaka. Pane kuvandudzika kukuru.
Chigadzirwa chezvigadzirwa zve redispersible latex poda
1. Kuvandudza simba rekukombama uye kushanduka kwesimba redhaka
Iyo firimu repolymer rakagadzirwa neredispersible polymer poda ine yakanaka kuchinjika. Mafirimu anoumbwa mumikaha uye pamusoro pemasimende edhaka zvidimbu kuti aumbe zvinochinjika zvinongedzo. Heavy uye brittle simende dhaka inova elastic. Doka rinowedzerwa neredispersible latex poda rakapetwa kakati wandei mukusimba uye kuchinjika kuramba pane dhaka rakajairwa.
2. Kuvandudza simba rekubatanidza uye kubatana kwedhaka
Mushure meiyo redispersible latex poda senge organic binder yakaumbwa kuita firimu, inogona kuumba yakakwirira kusimba simba uye bonding simba pane akasiyana substrates. Inoita basa rakakosha mukunamira kwedhaka kune organic zvinhu (EPS, extruded foam board) uye yakatsetseka yepasi substrates. Iyo firimu-inogadzira polymer rubber poda inogoverwa mukati medhaka system sechinhu chinosimbisa kuwedzera kubatanidzwa kwedhaka.
3. Kuvandudza kupikisa kwemaitiro, kusimba uye kupfeka kusagadzikana kwedhaka
Iyo rubber poda zvimedu zvinozadza mhango yedhaka, kuwanda kwedhaka kunowedzerwa, uye kuramba kwekupfeka kunovandudzwa. Pasi pekuita kwesimba rekunze, inoburitsa kuzorora pasina kuparadzwa. Iyo polymer firimu inogona kuve iripo zvachose mudhaka system.
4. Kuvandudza kudzivirira kwemamiriro ekunze uye kuomesa-kunyunguduka kwedhaka, uye kudzivirira dhaka kubva pakutsemuka
Redispersible latex powder is thermoplastic resin ine yakanaka kuchinjika, iyo inogona kuita kuti dhaka ribate nekushanduka kwekunze kutonhora uye kupisa nharaunda, uye zvinobudirira kudzivirira dhaka kubva pakutsemuka nekuda kwekushanduka kwekusiyana kwekushisa.
5. Kuvandudza hydrophobicity yedhaka uye kuderedza kunyura kwemvura
Iyo redispersible latex poda inoumba firimu pamhango uye pamusoro pedhaka, uye iyo polymer firimu haizoparadzi zvakare mushure mekuratidzwa kumvura, iyo inodzivirira kupindira kwemvura uye inovandudza kusamira. Special redispersible latex powder ine hydrophobic effect, nani hydrophobic effect.
6. Kuvandudza kushanda kwekuvaka kwedhaka
Kune mafuta ekuzora pakati pepolymer rubber poda zvidimbu, kuitira kuti zvikamu zvedhaka zvikwanise kuyerera zvakazvimirira. Panguva imwecheteyo, rubber powder ine inductive effect pamhepo, ichipa kusungirirwa kwedhaka uye kuvandudza kushanda kwekuvaka kwedhaka.
Nguva yekutumira: Kubvumbi-12-2023