Kushanduka kweiyo yePPFA inyaya inonakidza iyo yakawedzera kupfuura nguva yekugadzira indasitiri yekunyora Iyi denderedzwa yakanzi "Epoxide", iyo pakupedzisira yakazivikanwa seepoxy nekuisanganisa nePolyol kana esters. Nepo iyi yekutanga kuumbwa yaive nezvakawanda zvinoshanda zvinoshanda, kushandiswa kwayo kwakaramba kwakabvumidzwa nekuda kwemutengo wayo wepamusoro uye kushaya mari inowanikwa. Muna 1940 vanotsvaga vanoverengeka vakashanda pakuvandudza pane zvekutanga zveEpohoxic Converon vakawana kuti iwane mari inoshandisa kubva padzimba dzevatambi senge cyclohxane oxide uye phenol novolak resin. Panguva imwecheteyo masayendisiti veBritish akatanga kuyedza nevamiriri vepamuriridzo akasiyana siyana vakaita sechigadzirwa chakavandudzwa chinogona kunge chichiita kuti ive yakasimba kupfuura isati yasvika uye ichivhara nzira yehunyanzvi hwekugadzira zvinyorwa zvekugadzira zvinyorwa zvekugadzira zvinyorwa. Munguva yeHondo Yenyika yeIyika yeEpoxies yakawedzera kusiya kugadzira mamakisi ezvekutungamira kwevatengesi kuti vakudziridze, kupokana nemakemikari. Iko kuvandudzwa kwehunyanzvi uhwu kwakapfuurira nemazvo muma1950s uko kwaiita kuti vagadzikane nemabatirwo ezvematongerwo enyika. Pakutanga kwema1960 dzakasiyana-siyana dzakanatswa zvakanyatsoitika kuti maindasitiri egiredhi anokwanisa kufambisa mari yekugadzira. Ceramic Coating Technologies inosanganisira madhaimani guruva zvimedu zvinobvumidza kucheka maturusi anowana zviyero zvakakwirira zvinobudirira kusakwana kusati kwasangana nemakumi maviri emakore nguva isati yasvika. Iyi nguva yakatarwa yatinoratidza kuti tasvika kubva pakutanga kubvumirana kwehupenyu hwepamhepo takasvitswa nekukasira kusvika parwendo rwekushanduka
Kutumira nguva: Kukadzi-27-2023