Kuyambira kupangidwa kwa pulasitiki chakumapeto kwa zaka za m'ma 1900 mpaka kukhazikitsidwa kwa Tupperware® m'zaka za m'ma 1940 mpaka kuzinthu zaposachedwa kwambiri pakupanga ma ketchup osavuta kunyowa, pulasitiki yatenga gawo lofunikira pakuyika kwanzeru, kutithandiza kuchepetsa mtengo.Kaya ndi magetsi anu atsopano, zinthu zokongola zomwe mumakonda, kapena zomwe mumadya chakudya chamasana, zolongedza zapulasitiki zimathandiza kuteteza zomwe mwagula mpaka mutakonzeka kuzigwiritsa ntchito, zomwe zimathandiza kuchepetsa kuwononga komanso kusunga mphamvu.
Kupanga kwapulasitiki mu 1862
Alexander Parkes adavumbulutsa pulasitiki yoyamba yopangidwa ndi anthu pachiwonetsero chapadziko lonse cha Alexander Parkes ku London.Zomwe zimatchedwa Paxaine zimachokera ku cellulose.Inde-pulasitiki yoyamba ndi bio-based!Ikhoza kupangidwa ikatenthedwa ndikusunga mawonekedwe ake itazirala.
Pulasitiki ma CD luso kumayambiriro kwa zaka za zana la makumi awiri
Katswiri wopanga nsalu waku Switzerland Dr. Jacques Edwin Brandenberger adapanga cellophane, choyikapo chowoneka bwino cha chinthu chilichonse - choyikapo choyamba chosalowa madzi.Cholinga choyambirira cha Brandenberger chinali kugwiritsa ntchito filimu yomveka bwino komanso yofewa pansaluyo kuti zisawonongeke.
1930 Pulasitiki Packaging Innovation
Katswiri wa 3M Richard Drew adapanga tepi ya Scotch® cellulose.Pambuyo pake idadzatchedwanso tepi ya cellophane, yomwe ili njira yokopa kwa ogula ndi ophika mkate kuti asindikize phukusi.
Kupanga kwapulasitiki mu 1933
Ralph Wiley, wogwira ntchito ku Dow Chemical Laboratory, anapeza mwangozi pulasitiki ina: polyvinylidene chloride, yotchedwa SaranTM.Pulasitikiyi inkagwiritsidwa ntchito poteteza zida zankhondo kenako ndikuyika chakudya.Saran amatha kusunga pafupifupi mbale, mbale, mitsuko, ngakhalenso yekha - ndipo amakhala chida chabwino kwambiri chosungira zakudya zatsopano kunyumba.
Kupanga kwapulasitiki mu 1946
Tupperware® idapangidwa ndi Earl Silas Tupper wa ku United States, yemwe mwanzeru adalimbikitsa mndandanda wake wazakudya za polyethylene kudzera pagulu la amayi apakhomo omwe amagulitsa Tupperware ngati njira yopezera ndalama.Tupperware ndi zotengera zina zapulasitiki zokhala ndi zisindikizo zotsekereza mpweya ndi chimodzi mwazinthu zofunika kwambiri m'mbiri yakulongedza pulasitiki.
Kupanga kwapulasitiki mu 1946
Botolo loyamba lalikulu la pulasitiki lamalonda linapangidwa ndi Dr. Jules Montenier, yemwe anayambitsa "Stopette".Mafuta onunkhira m'matako adaperekedwa pofinya botolo lake lapulasitiki.Monga wothandizira pulogalamu yapa TV yotchuka ya "What's My Line", Stopette adayambitsa kuphulika pakugwiritsa ntchito mabotolo apulasitiki.
Kupanga kwapulasitiki mu 1950
Chikwama chodziwika bwino cha zinyalala zapulasitiki zakuda kapena zobiriwira (zopangidwa ndi polyethylene) zidapangidwa ndi anthu aku Canada Harry Wasylyk ndi Larry Hansen.Matumba atsopano otaya zinyalala omwe amagwiritsidwa ntchito pochita malonda amagulitsidwa koyamba ku Winnipeg General Hospital.Pambuyo pake adadziwika kuti azigwiritsa ntchito pabanja.
Kupanga kwapulasitiki mu 1954
Robert Vergobbi wokhala ndi chikwama chosungira zipper.Minigrip adawaloleza ndipo akufuna kuzigwiritsa ntchito ngati thumba la pensulo.Koma n'zoonekeratu kuti matumba akhoza kupangidwa mochuluka, matumba a Ziploc® adayambitsidwa ngati matumba osungira chakudya mu 1968. Chikwama choyamba ndi thumba la masangweji pa mpukutu zimayambitsidwa.
Kupanga kwapulasitiki mu 1959
Opanga ku Wisconsin a Geuder, Paeschke, ndi Frey adapanga bokosi loyamba lovomerezeka la nkhomaliro: chojambula cha Mickey Mouse pa malata ozungulira okhala ndi thireyi yotulutsa mkati.Pulasitiki idagwiritsidwa ntchito ngati chogwirira kenako ndi bokosi lonse, kuyambira m'ma 1960.
Kupanga kwapulasitiki mu 1960
Engineers Alfred Fielding ndi Marc Chavannes adapanga BubbleWrap® mu kampani yawo yotchedwa Sealed Air Corporation.
Kupanga kwapulasitiki mu 1986
Pakatikati mwa zaka za m'ma 1950, Swanson® TV dinners adagwiritsa ntchito njira ziwiri zomwe zachitika pambuyo pa nkhondo: kutchuka kwa zipangizo zopulumutsira nthawi komanso kutengeka kwambiri ndi TV (m'chaka choyamba cha kugawidwa kwa dziko, chakudya chamadzulo cha TV cha 10 miliyoni chinagulitsidwa).Mu 1986, matayala a aluminiyamu adasinthidwa ndi pulasitiki ndi ma microwave.
Kupanga kwapulasitiki mu 1988
Plastics Industry Association idakhazikitsa njira yodziyimira pawokha yozindikiritsa utomoni, yomwe imapereka njira yosasinthika yodziwira ma resin apulasitiki omwe amagwiritsidwa ntchito m'mapaketi.
Kupanga kwapulasitiki mu 1996
Kuyambitsidwa kwa paketi ya saladi (metallocene-catalyzed polyolefin) kumathandiza kuchepetsa kuwononga zakudya komanso kumapangitsa kukhala kosavuta kugula zokolola zatsopano.
2000 Pulasitiki Packaging Innovation
Machubu ofewa a yogati alipo, kotero mutha kusangalala ndi zokhwasula-khwasula zokhala ndi calcium nthawi iliyonse, kulikonse.
2000 Pulasitiki Packaging Innovation
Yambitsani polylactic acid (PLA) yopangidwa kuchokera ku chimanga kupita kumsika wazolongedza ndikubwezeretsanso mapulasitiki opangidwa ndi bio kukhala m'matumba.
2007 Pulasitiki Packaging Innovation
Mabotolo akumwa apulasitiki okhala ndi malita awiri ndi mitsuko ya mkaka ya pulasitiki ya galoni imodzi afika pachimake "chopepuka" - popeza adagwiritsidwa ntchito kwambiri muzaka za m'ma 1970, kulemera kwa zida zonsezo kudachepetsedwa ndi gawo limodzi mwa magawo atatu.
Kupanga kwa pulasitiki mu 2008
Mabotolo apulasitiki adafikira pa 27% yobwezeretsanso, ndipo mapulasitiki okwana mapaundi 2.4 biliyoni adasinthidwanso.(Kuyambira 1990, mabotolo apulasitiki ochulukirapo pa paundi agwiritsidwanso ntchito!) Mlingo wobwezeretsanso matumba apulasitiki a polyethylene ndi zopakira wafika 13%, ndipo mapaundi 832 miliyoni apulasitiki agwiritsidwanso ntchito.(Kuyambira 2005, kuchuluka kwa zobwezeretsanso matumba apulasitiki a polyethylene ndi kulongedza kwawonjezeka kawiri.)
2010 Pulasitiki Packaging Innovation
Kanema wa Metallyte TM amayambitsidwa kuti athandizire kuti zomwe zilimo zikhale zotsitsimula (nyemba za khofi, mbewu, Zakudyazi, magawo a mkate) pochepetsa misozi m'matumba.Kanema watsopanoyo ndi wopepuka kuposa kapangidwe ka zojambulazo.
2010 Pulasitiki Packaging Innovation
TM ndiye woyamba kunyamula msuzi wa tomato muzaka 42.Ndi phukusi la ntchito ziwiri lomwe limapereka njira ziwiri zosangalalira msuzi wa phwetekere: chotsani chivindikiro kuti chinyowe mosavuta, kapena dulani nsonga kuti mufinye chakudya.Kupaka kwatsopano kumapangitsa kudya kukhala kosangalatsa komanso kosavuta.
Nthawi yotumiza: May-27-2021