Lethathamo la lits'ebetso tse tloaelehileng le thepa ea 'mele le ea lik'hemik'hale ea polasetiki e 'maloa e sebelisoang hangata

polasetikike thepa e entsoeng ke motho e entsoeng ka resin ea maiketsetso e ka fetoloang ka sebopeho kamoo ho lakatsehang. Lipolasitiki li sebelisetsoa merero e mengata e fapaneng, ho kenyeletsoa ho etsa liphutheloana, lisebelisoa tsa lapeng le thepa ea kaho, har'a tse ling. Lipolasitiki hangata li arotsoe ka mefuta e mengata, e 'ngoe le e 'ngoe e na le litšobotsi tsa eona tse ikhethang.
Li-copolymer le metsoako ea PC/ABS polycarbonate le acrylonitrile-butadiene-styrene (Abs mola oa extrusion oa lakane)

Mefuta e tloaelehileng ea kopo:
matlo a mechini ea lik'homphieutha le ea khoebo, lisebelisoa tsa motlakase, mechini ea joang le ea jareteng, li-dashboard tsa likarolo tsa likoloi, liphetho tsa kahare, le likoahelo tsa mabili).

Thepa ea Lik'hemik'hale le 'Mele:
PC/ABS e na le litšobotsi tse akaretsang tsa PC le ABS. Mohlala, litšobotsi tse bonolo tsa ho sebetsana le ABS le litšobotsi tse ntle tsa mechini le botsitso ba mocheso ba PC. Karolelano ea tse peli e tla ama botsitso ba mocheso ba thepa ea PC/ABS. PC/ABS ea thepa e kopantsoeng le eona e bonts'a litšobotsi tse ntle tsa phallo.

Motsoako oa polycarbonate ea PC/PBT le polybutylene terephthalate
Mefuta e tloaelehileng ea kopo:
Mabokose a li-gear, li-bumper tsa likoloi, le lihlahisoa tse hlokang ho hanyetsa lik'hemik'hale le mafome, botsitso ba mocheso, ho hanyetsa tšusumetso, le botsitso ba jeometri.

Thepa ea Lik'hemik'hale le 'Mele:
PC/PBT e na le litšobotsi tse akaretsang tsa PC le PBT, tse kang ho tiea ho hoholo le botsitso ba jeometri ba PC le botsitso ba lik'hemik'hale, botsitso ba mocheso le thepa ea ho tlotsa ea PBT.

Polyethylene e nang le Boima bo Phahameng ba PE‐HD (PEpipe extrusion)
Thepa ea Lik'hemik'hale le 'Mele:
Ho ba le kristale e phahameng ea PE-HD ho lebisa ho boima ba eona bo phahameng, matla a ho tsitlella, mocheso o phahameng oa ho sotha mocheso, ho teteana le botsitso ba lik'hemik'hale. PE-HD e na le khanyetso e matla ea ho kenella ho feta PE-LD. PE-HD e na le matla a tlase a tšusumetso. Thepa ea PH-HD e laoloa haholo ke boima le kabo ea boima ba limolek'hule.
Litšobotsi tsa phallo ea thepa ena li ntle haholo ka MFR pakeng tsa 0.1 le 28. Ha boima ba limolek'hule bo phahame, litšobotsi tsa phallo ea PH-LD li mpefala, empa matla a tšusumetso a betere. PE-LD ke thepa e semi-crystalline e nang le sekhahla se phahameng sa ho fokotseha kamora ho bopa, ho tloha ho 1.5% ho isa ho 4%. PE-HD e sekametse ho petsoheng ha khatello ea tikoloho, e ka fokotsoang ka ho sebelisa thepa e nang le litšobotsi tse tlase haholo tsa phallo ho fokotsa khatello ea ka hare. PE-HD e bonolo ho qhibilihisa ka har'a li-hydrocarbon solvents ha mocheso o le holimo ho feta 60C, empa ho hanyetsa ha eona ho qhibiliha ho betere ho feta PE-LD.

Polyethylene e nang le Boima bo Tlase ba PE‐LD
Mefuta e tloaelehileng ea kopo:
Likotlolo, lithōle, likhokahano tsa liphaephe

Thepa ea Lik'hemik'hale le 'Mele:
Bongata ba thepa ea PE-LD ea khoebo ke 0.91-0.94g/cm3. PE‐LD e kenella likhase le mouoane oa metsi. Coefficient e phahameng ea katoloso ea mocheso ea PE-LD ha e lokele ho sebetsana le lihlahisoa tsa nako e telele. Haeba bongata ba PE‐LD bo pakeng tsa 0.91 le 0.925g/cm3, joale sekhahla sa ho fokotseha ha eona se pakeng tsa 2% le 5%. Haeba bongata bo pakeng tsa 0.926 le 0.94g/cm3, joale sekhahla sa ho fokotseha ha eona se pakeng tsa 1.5% le 4%. %pakeng. Sekhahla sa hona joale sa ho fokotseha ha 'nete se boetse se itšetlehile ka liparamente tsa ts'ebetso ea ho enta ka ente. PE‐LD e hanela li-solvents tse ngata mochesong oa kamore, empa li-solvents tsa hydrocarbon tse nkhang hamonate le tse nang le chlorine li ka etsa hore e ruruhe. Joalo ka PE-HD, PE-LD e na le monyetla oa ho petsoha khatello ea tikoloho.

Polietere ea PEI
Mefuta e tloaelehileng ea kopo:
Indasteri ea likoloi (lisebelisoa tsa enjene tse kang li-sensor tsa mocheso, li-handler tsa mafura le tsa moea, jj.), lisebelisoa tsa motlakase le tsa elektroniki (lihokelo tsa motlakase, liboto tsa potoloho tse hatisitsoeng, likhase tsa chip, mabokose a sa phatloheng, jj.), liphutheloana tsa lihlahisoa, lisebelisoa tsa kahare tsa lifofane, indasteri ea meriana (lisebelisoa tsa ho buoa, matlo a lisebelisoa, lisebelisoa tse sa kenngoeng).

Thepa ea Lik'hemik'hale le 'Mele:
PEI e na le botsitso bo matla ba mocheso o phahameng, leha e sa matlafatsoe ke PEI, e ntse e na le matla le botsitso bo botle. Ka hona, botsitso bo phahameng ba mocheso ba PEI bo ka sebelisoa ho etsa lisebelisoa tse hanyetsanang le mocheso o phahameng. PEI e boetse e na le ho lieha ha malakabe hantle, ho hanyetsa lik'hemik'hale le litšobotsi tsa ho thibela motlakase. Mocheso oa phetoho ea khalase o phahame haholo, o fihla ho 215°C. PEI e boetse e na le ho fokotseha ho tlase haholo le litšobotsi tse ntle tsa mechini ka lehlakoreng le le leng.

PVC (polyvinyl chloride) (mohala oa extrusion oa PVC o nang le lebanta la bohale)
Mefuta e tloaelehileng ea kopo:
Liphaephe tsa phepelo ea metsi, liphaephe tsa ntlo, liphanele tsa mabota a ntlo, likheo tsa mechini ea khoebo, liphutheloana tsa lihlahisoa tsa elektroniki, lisebelisoa tsa bongaka, liphutheloana tsa lijo, jj.

Thepa ea Lik'hemik'hale le 'Mele:
PVC e tiileng ke e 'ngoe ea thepa ea polasetiki e sebelisoang haholo. Thepa ea PVC ke thepa e seng ea kristale. Hangata thepa ea PVC e eketsoa ka li-stabilizer, li-lubricant, li-assistant processing agents, li-colorant, li-impact agents le li-additives tse ling tse sebelisoang ka 'nete. Thepa ea PVC ha e chese, e matla haholo, e hanyetsa phetoho ea tlelaemete le botsitso bo botle ba jeometri. PVC e hanyetsa ka matla li-oxidizing agents, li-fokotsa le li-acid tse matla. Leha ho le joalo, e ka bola ka li-acid tse matlafatsang tse matla joalo ka sulfuric acid e matla le nitric acid e matla, 'me ha ea lokela ho kopana le li-hydrocarbon tse nkhang hamonate le li-hydrocarbon tse nang le chlorine.
Mocheso oa ho qhibiliha ha PVC ke paramethara ea bohlokoa haholo ea ts'ebetso nakong ea ts'ebetso. Haeba paramethara ena e sa nepahala, e tla lebisa bothateng ba ho bola ha thepa. Litšobotsi tsa phallo ea PVC li fokola haholo, 'me sebaka sa ts'ebetso ea eona se moqotetsane haholo. Haholo-holo, thepa ea PVC e nang le boima bo boholo ba limolek'hule e thata ho e sebetsana (lintho tse joalo hangata li hloka ho eketsa litlolo ho ntlafatsa litšobotsi tsa phallo), kahoo lisebelisoa tsa PVC tse nang le boima bo tlase ba limolek'hule hangata lia sebelisoa. Sekhahla sa ho fokotseha ha PVC se tlase haholo, ka kakaretso ke 0.2 ho isa ho 0.6%.

PMMA polymethyl methacrylate
Mefuta e tloaelehileng ea kopo:
Indasteri ea likoloi (lisebelisoa tsa mabone a lipontšo, phanele ea lisebelisoa, jj.), indasteri ea meriana (setshelo sa polokelo ea mali, jj.), ts'ebeliso ea indasteri (diski ea video, sesebelisoa sa ho hasanya mabone), thepa ea letsatsi le letsatsi ea bareki (kopi ea seno, lisebelisoa tsa ho ngola, jj.).

Thepa ea Lik'hemik'hale le 'Mele:
PMMA e na le thepa e ntle ea optical le thepa ea ho hanyetsa boemo ba leholimo. Ho kenella ha leseli le lesoeu ho fihla ho 92%. Lihlahisoa tsa PMMA li na le birefringence e tlase haholo 'me li loketse haholo ho etsa li-disc tsa video. PMMA e na le thepa ea ho thekesela mochesong oa kamore. Ha mojaro o ntse o eketseha 'me nako e ntse e eketseha, e ka lebisa ho petsoheng ha khatello ea maikutlo. PMMA e na le thepa e ntle ea ho hanyetsa tšusumetso.