Plastiki ke thepa e nang le mefuta e mengata e fapaneng ea metsoako ea maiketsetso kapa ea semi-synthetic e bonolo, ka hona e ka bōptjoa hore e be lintho tse tiileng.
Plasticity ke thepa e akaretsang ea lisebelisoa tsohle tse ka holofatsang ka mokhoa o sa fetoheng ntle le ho robeha, empa, sehlopheng sa li-polymers tse ka bōptjoang, sena se etsahala ho isa bohōleng boo lebitso la bona la sebele le tsoang ho bokhoni bona bo khethehileng.
Hangata lipolasetiki ke li-polymers tsa organic tsa boima bo phahameng ba limolek'hule 'me hangata li na le lintho tse ling.Hangata li entsoe, hangata li tsoa ho lik'hemik'hale tsa petrole, leha ho le joalo, mefuta e mengata e fapaneng e entsoe ka thepa e ka nchafatsoang joalo ka polylactic acid ho tloha poone kapa cellulosics ho tloha lithareng tsa k'hothone.
Ka lebaka la theko ea tsona e tlaase, ho etsoa habonolo ha tsona, ho feto-fetoha ha maemo, le ho se kenngoe ke metsi, lipolasetiki li sebelisoa lihlahisoa tse ngata tsa mefuta-futa, ho akarelletsa le lipampiri le lifofa-sebakeng.Ba hlōtse thepa e tloaelehileng, e kang lehong, lejoe, lenaka le lesapo, letlalo, tšepe, khalase le ceramic, lihlahisoa tse ling tseo pele li neng li siiloe hore e be thepa ea tlhaho.
Linaheng tse tsoetseng pele moruong, hoo e ka bang karolo ea boraro ea polasetiki e sebelisoa ho paka 'me e batla e tšoana le meahong lits'ebetsong tse kang liphaephe, lipeipi kapa li-vinyl siding.Lisebelisoa tse ling li kenyelletsa likoloi (ho fihla ho 20% ea polasetiki), thepa ea ka tlung le lintho tsa ho bapala.Linaheng tse tsoelang pele, tšebeliso ea polasetiki e ka fapana - 42% ea tšebeliso ea India e sebelisoa ho paka.
Lipolasetiki li na le ts'ebeliso e ngata lefapheng la bongaka hape, ka kenyelletso ea li-implants tsa polymer le lisebelisoa tse ling tsa bongaka tse nkiloeng bonyane ho tsoa polasetiking.Tšimo ea ho buuoa ka polasetiki ha e rehe lebitso la tšebeliso ea thepa ea polasetiki, empa ho e-na le hoo ke moelelo oa lentsoe "plasticity", mabapi le ho fetola nama.
Plastiki ea pele ea lefatše e entsoeng ka botlalo e ne e le bakelite, e qapiloeng New York ka 1907, ke Leo Baekeland ea qapileng lentsoe 'polasetiki'. Litsebi tse ngata tsa k'hemistri li kentse letsoho thepa
saense ea lipolasetiki, ho kopanyelletsa le mohapi oa khau ea Nobel Hermann Staudinger ea ’nileng a bitsoa “ntate oa k’hemistri ea polymer.
Nako ea poso: Jul-27-2020