Chii chinonzi re-dispersible latex powder?

Re-dispersible latex poda, inozivikanwawo seredispersible polymer poda (RDP), ihupfu chena-inoyerera inowanikwa nekupfapfaidza kuomesa aqueous vinyl acetate-ethylene copolymer dispersion. Icho chinowedzera kiyi chinoshandiswa mukuvaka zvinhu senge madhaka, mataira anonamira, ega-leveling makomisheni, uye ekunze insulation uye yekupedzisa masisitimu (EIFS).

Heano mamwe akakosha maitiro uye zvimiro zve-dispersible latex poda:

1. Polymer Kuumbwa: Redispersible latex powder inonyanya kuumbwa nevinyl acetate-ethylene copolymers, kunyange zvazvo mamwe mapolymers angave aripowo zvichienderana nekugadzirwa kwakananga. Aya macopolymers anopa hupfu nekunamira kwayo, kubatana, uye kugadzira firimu.
2. Mvura Redispersibility: Imwe yeakanyanya kukosha maitiro ezve dispersible latex poda kugona kwayo kupararira mumvura mushure mekuoma. Kana yakasanganiswa nemvura, zvimedu zvehupfu zvinopararira kuti zvigadzire emulsion yakagadzikana, yakafanana neyokutanga polymer dispersion. Ichi chivakwa chinobvumira kubata nyore, kuchengetedza, uye kushandisa dhaka rakaoma uye anonamira maumbirwo.
3. Adhesion uye Cohesion: Redispersible latex poda inonatsiridza kunamatira uye kubatana kwesementitious zvinhu, senge madhaka uye mataira anonamira. Iyo inoumba inoshanduka uye yakasimba yepolymer firimu pakuomeswa, iyo inosimudzira chisungo chesimba pakati peiyo substrate uye yakashandiswa zvinhu.
4. Flexibility uye Crack Resistance: Kubatanidzwa kwe redispersible latex powder mu simenti-based formulations inopa kushanduka uye kuputika kupikisa kune chigadzirwa chekupedzisira. Izvi zvinobatsira kuderedza njodzi yekuputsika kwe shrinkage uye inovandudza kusimba kwenguva refu kwezvinhu zvekuvaka.
5. Kuchengeta Mvura: Redispersible latex poda inogona kuwedzera kuchengetedza kwemvura zvivakwa zvesimende zvinhu, zvichibvumira nguva yekushanda yakawedzerwa uye nekuvandudza kushanda. Izvi zvinonyanya kubatsira mumamiriro ekupisa uye akaoma apo kuoma nokukurumidza kwedhaka kana kunamatira kunogona kuitika.
6. Kuvandudzwa kweMechanical Properties: Redispersible latex poda inobatsira mukuvandudzwa kweakasiyana ma mechaniki zvivakwa zvesimende-based zvinhu, zvinosanganisira kumanikidza simba, kusimba simba, uye kukanganisa kuramba. Inobatsira kugadzira zvigadzirwa zvakasimba uye zvakasimba zvekuvaka.

redispersible latex poda inoita basa rakakosha mukusimudzira mashandiro, kushanda, uye kusimba kwesimende-based zvinhu zvinoshandiswa mukuvaka zvikumbiro. Mvura yaro inodispersibility, inonamira zvimiro, kuchinjika, uye kutsemuka kuramba kunoita kuti ive chinhu chakakosha chekuwedzera mune dzakasiyana siyana zvigadzirwa zvekuvaka.