Plastic yakabva kupi?
Sezvatinoziva tese, plastiki ndiyo yakakosha zvinhu zvedu.Saka plastiki yakabva kupi?Heino mhinduro kwauri.Kudzikira zvishoma nezvishoma kwenyanga dzenzou mukupera kwe19th uye kutanga kwezana ramakore rechi20, nekuvandudzwa kwekuvhima kwakakura uye kutengeswa kwemazino, kwakakonzera kudiwa kwezvimwe zvekushandisa.Nekuda kweizvozvo, vaongorori vazhinji vatanga kuongorora zvinhu zvinogona kushandiswa kugadzira yakaoma, yakatsetseka nzvimbo yedentine yekugadzira.Izvi zvabuda zvakazoita kuti pave nekugadzirwa kwemapurasitiki.
Kuvandudzwa kwemazuva ano kwemapurasitiki
Muna 1856, nyanzvi yemakemikari yeBritish Alexander Paxton akagadzira chigadzirwa chepurasitiki - Paxton kemikari yenyanga dzenzou, iyo inoonekwa seyakabva indasitiri yemazuva ano epurasitiki.
Chii chaive chisingawanzo kuwanikwa muma1970s, mabhegi epurasitiki ekutenga atova chigadzirwa chepasirese, aine bhiriyoni yazvo inogadzirwa gore rega mumakona ese epasi.
Mhedziso yezvigadzirwa zvepurasitiki zvekambani yedu
Kune marudzi akawanda epurasitiki, uye kambani yedu inogadzira midziyo yepurasitiki yezvizorwa, indasitiri, magetsi ekushandisa, matoyi anoputika, zvinhu zvinoshandiswa zuva nezuva kubatanidza kusimudzira, dhizaini uye kutengesa. Isu tinonyanya kushandisa PE zvinhu kugadzira midziyo yepurasitiki, chivharo chebhodhoro, pombi musoro uye zvimwe zvigadzirwa zvepurasitiki.Inowanikwa muhupfumi hwakagadziridzwa Pearl River Delta,tinonakidzwa zvakanyanya nekufambisa kwevhu nemvura, bata michina yekugadzira yepamberi egplastic yekuumba muchina, mabhodhoro anofuridza machina, otomatiki skrini anodhinda, muchina wegilding, uye akawedzera kuwedzera chiyero chekugadzira.
Isu tinopa imwechete-kumira bhizinesi masevhisi anosanganisira chigadzirwa dhizaini, kusimudzira, kuvhuvhuta, sirika kudhinda, kunyora, gilding, sanding uye kuendesa.Hunhu hwekugadzira hwemakina edu ekumhanyisa mabhodhoro ekufuridza machina kubva pa10ml kusvika pa5000ml, hunogona kugutsa zvido zvevashandisi zvakasiyana.Plastiki yakatanga kugadzirwa kuti ichengetedze nzou, asi iko zvino kuwanda kwepurasitiki kwakonzera kukanganisa kusingafungidzirwe kumhuka, nharaunda uye kunyange vanhu.Kukuvadzwa kunokonzerwa nepurasitiki kuri pedyo.
Nguva yekutumira: Aug-07-2023