Hydroxypropyl methylcellulose(HPMC) inzvimbo inosiyana-siyana inoshandiswa zvakanyanya mumaindasitiri akasiyana, kusanganisira indasitiri yekuvaka. Hunhu hwayo hwakasiyana hunoita kuti ive chinhu chakakosha mune dzakasiyana siyana dzekuvaka. Muchikamu chino, tichaongorora iyo yakakamurwa kushandiswa kwehydroxypropyl methylcellulose muindasitiri yekuvaka, tichiratidza kukosha kwayo uye mabhenefiti.
HPMC arimvura-soluble polymeryakabva kune cellulose. Inowanzo kuwanikwa se hydroxypropyl methylcellulose solution, iyo inogona kusanganiswa nyore nyore nemvura kuti iite gel-like substance. Iyi mhinduro inoshanda sebhainda, thickener, uye firimu rekare mumashandisirwo ekuvaka.
Imwe yemashandisirwo ekutanga ehydroxypropyl methylcellulose muindasitiri yekuvaka yakaita sedhaka uye plaster modifier. Kana yawedzerwa kune simende-yakavakirwa zvinhu, HPMC inovandudza kushanda kwavo, simba rekunamatira, uye kugona kuchengetedza mvura. Iyo inoshanda seyakakora mumiriri, ichideredza mukana wekudonha uye kuvandudza kuenderana kwese kwemusanganiswa. Izvi zvinoita kuti zvive nyore kune vashandi vekuvaka kuisa dhaka kana plaster zvakanaka uye zvakafanana.
Imwe yakakosha application yeHPMCmukuvaka senge tile inonamira yekuwedzera. Kana yawedzerwa kumatairi anonamira, HPMC inowedzera simba ravo rekubatanidza uye inopa yakanakisa nguva yakavhurika, ichibvumira kugadziridzwa kuri nyore kwekuiswa kwematairi. Inovandudzawo kupararira uye kunyorova zvinhu zvekunamatira, kuve nechokwadi chekunamatira kwakakodzera kune substrate pamusoro. Uyezve, HPMC inoita sechidziviriro colloid, ichidzivirira kuoma nguva isati yakwana yeadhesive uye kuderedza kuumbwa kwekutsemuka.
Kuwedzera kune dhaka modhifita uye mataira anonamira, hydroxypropyl methylcellulose inoshandiswawo zvakanyanya seyega-leveling compound yekuwedzera. Kuzvigadzirisa-leveling makomisheni anoshandiswa kuti awane yakatsetseka uye kunyange nzvimbo isati yaiswa yekuvhara pasi. HPMC inowedzerwa kune yega-leveling makomisheni kuti iwedzere kuyerera kwavo uye kuyera zvivakwa. Inovandudza kuyerera kwemusanganiswa, ichibvumira kuti ipararire nyore uye-yega-yega, zvichiita kuti pave nenzvimbo yakakwana, yakatsetseka.
Uyezve,hydroxypropyl methylcelluloseinoita basa rakakosha mukugadzirwa kwekunze kwekuvharira uye kupedza masisitimu (EIFS) muindasitiri yekuvaka. EIFS ndiwo ma-multi-layered masisitimu anoshandiswa pakupisa kupisa uye kushongedza zvinangwa. HPMC inoshandiswa mujasi rejasi uye bhachi rekupedzisa reEIFS kuvandudza kushanda kwavo, kutsemuka kuramba, uye kunamatira kune substrate. Inowedzera kushanduka uye kusimba kwezvipfeko, kuve nechokwadi chekushanda kwenguva refu.
Mukupedzisa, hydroxypropyl methylcellulose ine akawanda mashandisirwo muindasitiri yekuvaka. Kugona kwayo kugadzirisa dhaka nemapurasita, kunamira mataira anonamira, kunatsiridza maumbirwo ega, uye kusimbisa EIFS inoita kuti ive chinhu chakakosha mumidziyo yekuvaka. Iko kushandiswa kweHPMC mune izvi maapplication kunobatsira kuita zvirinani kushanda, kuwedzera kwesimba rebhondi, kunatsiridza maitiro ekurapa, uye kuwedzera kusimba kwemapurojekiti ekuvaka. Sezvo indasitiri yekuvaka iri kuramba ichishanduka, basa rehydroxypropyl methylcellulose richaramba rakakosha, richipa mhinduro dzematambudziko akasiyana akatarisana muzvirongwa zvekuvaka.
Nguva yekutumira: Nov-02-2023