Plastikianoumbwa nemapolymers, asi mamwe mapolymers akaita sebiopolymers haasi mapurasitiki.Plastic zvinhu zviri kushandiswa muupenyu hwezuva nezuva semakombiyuta, chinyoreso, mbozhanhare, compact discs, pendrive, uye toothbrush etc.Plastic inotsanangurwa sechinhu chero chipi zvacho chekugadzira kana semi-synthetic organic material inogona kuumbwa kana kuumbwa mune chero chimiro.Kuumbwa kwemakemikari emapurasitiki kunosanganisira maketani ekabhoni, okisijeni, sarufa kana nitrogen.
Nhoroondo yemapurasitiki
Muna 1284 maumbirwo epurasitiki akagadzirwa kubva kunyanga uye tortoiseshell akaonekwa 1820 mutsetse wenguva wepurasitiki Muna 1823, nyanzvi yekemesitiri wekuScotland Charles Macintosh akawana rabha. Muna 1845, Henry Bewley akagadzira rabha yechisikigo kubva kuchirimwa chegutta perchaMuna 1850, yekutanga tambo yeteregirafu yepasi pemvura muGutta percha yakaiswa pakati peDover neCalais 18. , Londoner Alexander Parkes akafumura mushonga wekutanga wakagadzirwa nevanhu weParkesine PlastikiMuna 1869, John W. Hyatt akagadzira Celluloid [zvinhu zvisingabatike neruvara]Muna 1872, hama dzeHyatt dzakapa mvumo yekutanga mapurasitiki ekuumba jekiseni muchinaMuna 1880 cellulose nitrate inotsiva nyanga sechinhu chaidiwa chemizinga. Eastman Kodak patent muchina wekugadzira firimu remifananidzo rinoenderera richibva pa cellulose nitrate.1900 plastiki timelineMuna 1908, Jacques E. Brandenberger akagadzira Cellophane [transparent cellulose material]Muna 1909, mapurasitiki eCasein, akabva mumukaka, akagadzirwa neErinoid,land, muH190 H. Mu1916, Rolls Royce yakatanga kushandisa phenol formaldehyde mukati memotokari yayo. Muna 1920, Polyvinyl chloride kana PVC yakagadzirwa. Muna 1925, izwi rePurasitiki rakagadzirwa. nekambani ye3MMuna 1933, Fawcett naGibson vakawana zvinhu zvepolyethyleneMuna 1938, bhurashi remazino rekutanga rakagadzirwa. Muna 1939, mugore rino rakagadzirwa naironi. Muna 1942, Dr Harry Coover vakawana Super Glue (methyl cyanoacrylate). styrene (ABS) yakagadzirwa.Muna 1949, Tupperware zvinhu zvakagadzirwa kubva pasi density polyethylene.Muna 1949, DuPont yakagadzira Lycra chigadzirwa chinobva papolyurethane.Muna 1953, Lexan plastic material yakagadzirwa naDaniel Fox.Muna 1959 Barbie Doll yakavhurwa paAmerican International. Toy Fair.Muna 1965 DuPont yakaburitsa zvigadzirwa zvine zita rekutengesa reKevlar.Muna 1973, mabhodhoro echinwiwa ePolyethylene terephthalate akaunzwa.Muna 1988, zviratidzo zvetriangular recycling zvine chekuita nemapurasitiki zvakaunzwa.2000 kusvika 2022 plastic timelineIn 2003 is a European PVCit recycling a European PVCit system] yakavambwa2005 mugore rino NASA inoongorora zvakanakira polyethylene yakavakirwa zvinhu RFX1 [RFX1 inoshandiswa pakuvaka spaceship] Muna 2011, vinylplus - chirongwa chekusimudzira chakagadzwaMu2012 PVC jira rakashandiswa mukuvaka kweLondon Olympic nzvimbo 2020 PVC zvigadzirwa zvinogadzirwa zvinosvika 800,000 tones pagore2022 mugore rino FIFA world cup qatar showcase stadium iri kuronga kushandisa super reflective, triangulated PVC fabric kugadzira zero carbon.
Nzira yekugadzira mapurasitiki
Kugadzirira kwezvinhu zvakasvibirira Kugadzirira kwe monomerPolymerization process Shanduko yepolymer resins kuita zvigadzirwa zvepurasitiki.
Muchiito chekushandura polymer resin kuita chigadzirwa chepurasitiki anotevera matanho anobatanidzwa
ExtrusionInjection moldingBlow moldingRotational molding
Nguva yekutumira: Aug-24-2017