Polythene ke e 'ngoe ea polasetiki e tsebahalang haholo lefatšeng. Ke polymer e feto-fetohang e loketseng mefuta e mengata ea lits'ebetso, ho tloha lifiliming tse thibelang mongobo tse boima bakeng sa kaho e ncha ho isa ho mekotla le lifilimi tse bobebe, tse tenyetsehang.

Mefuta e 'meli e meholo ea PE e sebelisoa lefapheng la lifilimi le la ho paka le tenyetsehang - LDPE (botenya bo tlase), hangata e sebelisetsoang lipallet le lifilimi tse boima tse kang mekotla le mekotla e tšoarellang nako e telele, lithanele tsa polyethylene, lifilimi tse sireletsang, mekotla ea lijo, jj.HDPE (botenya bo phahameng)Bakeng sa boholo ba li-tote tse tšesaane, mekotla ea lihlahisoa tse foreshe, le libotlolo le likhaba tse ling.

Ho na le mefuta e meng ea mefuta ena e 'meli e meholo. Lihlahisoa tsohle li na le thepa e ntle ea thibelo ea mouoane kapa mongobo 'me ha li na lik'hemik'hale.

Ka ho fetola dibopeho le dipehelo tsa polyethylene, bahlahisi/bahlahisi ba ka fetola tshusumetso le ho hanyetsa meokho; ho hlaka le ho ikutlwa; ho tenyetseha, ho bopeha hantle, le bokgoni ba ho roala/ho laminating/ho hatisa. PE e ka sebediswa hape, mme mekotla e mengata ya ditshireletso, difilimi tsa temo, le dihlahiswa tse phelang nako e telele tse kang dibenche tsa serapa sa boikhathollo, dibollards, le mabokose a ditshireletso di sebedisa polyethylene e sebediswang hape. Ka lebaka la boleng ba yona bo hodimo ba khalori,Litlhahiso tsa PEho hlaphoheloa ha matla ho babatsehang ka ho chesa ka mokhoa o hloekileng.

Na u batla ho reka HDPE?

kopo
Libarele tsa lik'hemik'hale, linkho tsa polasetiki, libotlolo tsa khalase, lintho tsa ho bapala, lisebelisoa tsa pikiniki, lisebelisoa tsa lapeng le tsa kichine, ho thibela ho kenoa ha lithapo, mekotla ea tote, thepa ea ho paka lijo.

tšobotsi
E tenyetseha, e bonaletsang/e boka, e hanela boemo ba leholimo, e thatafala mochesong o tlase (ho fihlela ho -60'C), e bonolo ho e sebetsana ka mekhoa e mengata, e theko e tlase, e hanyetsa lik'hemik'hale hantle.

thepa ea 'mele
Matla a ho thapolla 0.20 – 0.40 N/mm²
Matla a ho tshwarwa a nang le di-notched ntle le ho robeha Kj/m²
Katoloso ea Thermal Coefficient 100 – 220 x 10-6
Mocheso o phahameng ka ho fetisisa oa tšebeliso e tsoelang pele 65 oC
Botenya 0.944 – 0.965 g/cm3

khanyetso ea lik'hemik'hale
Hlapolla asiti****
Motheo o hlapolotsoeng ****
Tlotsa ** E feto-fetohang
Li-hydrocarbon tse nang le aliphatic *
Litlolo tse nkhang hamonate *
Li-hydrocarbon tse nang le halogenated *
Joala****

E nyatsang * E mpe ** E mahareng *** E ntle **** E ntle haholo

Lithuto tsa hajoale tsa nyeoe

Lijana tsa serapa tse entsoeng ka polyethylene e teteaneng haholo. Litšenyehelo tse tlase, ho tiea ho hoholo le bonolo ba ho bōptjoa ka ho phatloha li etsa hore thepa ena e be khetho ea tlhaho bakeng sa thepa ea ka tlung ea serapa.

Botlolo ea polasetiki ea HDPE
Libotlolo tsa polasetiki tsa polyethylene e nang le bongata bo phahameng (HDPE) ke khetho e tsebahalang ea liphutheloana bakeng sa limmaraka tsa lebese le lero le foreshe. UK, mohlala, libotlolo tse ka bang limilione tse likete tse 4 tsa ho fepa tsa HDPE lia hlahisoa le ho rekoa selemo se seng le se seng.

HDPE e fana ka melemo e mengata ho bahlahisi, barekisi le bareki.

Melemo ea libotlolo tsa HDPE
E ka sebelisoa hape: Libotlolo tsa HDPE li ka sebelisoa hape ka 100%, kahoo thepa e ka sebelisoa hape

E tšoarellang: HDPE e fana ka monyetla oa ho kopanya hape thepa e sebelisitsoeng hape le ketane ea phepelo

Ho Bonolo ho Bobebe: Libotlolo tsa HDPE li Fana ka Menyetla e Meholo ea ho Bobebe

E feto-fetohang haholo: botlolo e le 'ngoe feela ea polasetiki e ka sebelisoang e le monolayer ea lebese e pasteurized, kapa e le UHT kapa botlolo e kopantsoeng ea thibelo ea lebese e hloekisitsoeng

Bonolo ba tšebeliso: Mofuta o le mong feela oa sephutheloana o lumellang li-handle tse kopantsoeng le masoba a ho tšela bakeng sa ho tšoara le ho tšela ka taolo

E bolokehile ebile e sireletsehile: Mofuta o le mong feela oa sephutheloana o ka bang le tiiso e bonahalang ea kantle e sitisoang kapa tiiso ea mocheso oa induction ho thibela ho lutla, ho boloka bocha ba sehlahisoa, le ho bontša bopaki ba ho sitisoa.

Khoebo: Libotlolo tsa HDPE li fana ka menyetla e felletseng ea papatso, joalo ka ho hatisa ka kotloloho holim'a thepa, ho hatisa ka kotloloho holim'a lesale kapa leibole, le bokhoni ba ho fetola sebopeho ho se etsa hore se hlahelle shelefong

Boiqapelo: Bokhoni ba ho sutumelletsa meeli le ho fihlella mehato e mecha ka ho sebelisa lisebelisoa tsa ho bōpela ka mokhoa o mocha.

lintlha tsa tikoloho
Libotlolo tsa masea tsa HDPE ke e 'ngoe ea lintho tse sebelisoang hape ka ho fetisisa tsa ho paka UK, 'me data e tsoang ho Recoup e bontša hore hoo e ka bang 79% ea libotlolo tsa masea tsa HDPE li sebelisoa hape
Ka karolelano,Libotlolo tsa HDPEUK hona joale li bobebe ka 15% ho feta kamoo li neng li le kateng lilemong tse tharo tse fetileng

Leha ho le jwalo, meralo e metjha jwalo ka botlolo ya Infini e hapileng kgau e bolela hore jwale ho a kgoneha ho fokotsa boima ba dibotlolo tse tlwaelehileng ka ho fihla ho 25% (ho itshetlehile ka boholo)

Ka karolelano, libotlolo tsa HDPE UK li na le thepa e ka sebelisoang hape e fihlang ho 15%.

Leha ho le jwalo, kgatelopele theknolojing le meralong e metjha ya dihlahiswa e bolela hore diphihlello tse ntjha di se di kgoneha. Mohlala, ka 2013, Nampak e ekeditse 30% ya HDPE e sebedisitsweng hape dibotlolong tsa yona tsa lebese tsa Infini, e leng lefatshe la pele—dilemo tse pedi ka pele ho sepheo sa indasteri.