Plastic yakabva kupi?
Sezvatinoziva tese, plastiki ndiyo yakakosha zvinhu zvedu.Saka plastiki yakabva kupi?Heino mhinduro kwauri.Kuderera 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 vakatanga kuongorora zvinhu zvinogona kushandiswa kugadzira nzvimbo dzakaoma, dzakatsetseka dze dentine 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 yavo inogadzirwa gore rega mumakona ese epasi.
Mhedziso yezvigadzirwa zvepurasitiki zvekambani yedu
Kune marudzi akawanda epurasitiki, uye kambani yedu inogadzira midziyo yepurasitiki yezvizoro, indasitiri, magetsi emagetsi, matoyi anoputika, zvinhu zvinoshandiswa zuva nezuva kubatanidza kukura, kugadzira uye kutengesa.Tinonyanya kushandisa PE zvinhu kugadzira midziyo yepurasitiki, bhodhoro chivharo, pombi musoro uye zvimwe zvigadzirwa zvepurasitiki.Inowanikwa muhupfumi hwakagadziridzwa Pearl River Delta, isu tinonakidzwa zvakanyanya nyore kutakura ivhu uye mvura, kubata epamberi michina yekugadzira egplastic yekuumba muchina, mabhodhoro anofuridza mashini, otomatiki screen printers, gilding michina, uye takawedzera 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 kubva pa10ml kusvika pa5000ml, hunogona kugutsa zvakasiyana-siyana zvinodiwa nevashandisi.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-03-2023