TPR e na le melemo e latelang: (1) E ka sebetsoa ka mechine e tloaelehileng ea thermoplastic, e kang ho bōptjoa ha ente, extrusion molding, blowing, compression molding, le mold transfer transfer;(2) E ka ts'oaroa ka mochini oa ente ea rabara, 'me nako e ka khutsufatsoa ho tloha ho 20min ho ea tlase ho 1min;(3) E ka bōptjoa le ho ts'oaroa ke mochine oa khatiso, ka lebelo le potlakileng le nako e khutšoanyane ea vulcanization;(4) Litšila tse hlahisoang ts'ebetsong ea tlhahiso (ho baleha li-burrs le rabara e ntšang litšila) 'me lihlahisoa tsa ho qetela tsa litšila li ka khutlisetsoa ka ho toba bakeng sa ho sebelisoa hape: (5) Lihlahisoa tsa khale tsa TPR tse sebelisitsoeng li ka sebelisoa hape le ho sebelisoa hape ho fokotsa tšilafalo ea tikoloho le ho atolosa. mohloli oa nchafatso ea lisebelisoa;(6) Ha ho vulcanization e hlokahalang ho boloka matla.Nka tšebeliso ea matla ea tlhahiso ea hose e phahameng e le mohlala: 188MJ / kg bakeng sa rabara le 144MJ / kg bakeng sa TPR, e ka bolokang matla a fetang 25%;(7) Ho itšehetsa ho hoholo, 'me foromo e nolofalitsoe haholo, e le hore tšusumetso ea motsoako oa motsoako holim'a polymer e fokotsehe haholo,' me tshebetso ea boleng e be bonolo ho e tseba;(8) E bula mekhoa e mecha bakeng sa indasteri ea rabara le ho atolosa tšimo ea tšebeliso ea lihlahisoa tsa rabara.Bothata ke hore ho hanyetsa mocheso oa TPR ha ho molemo joaloka rabara, 'me thepa ea' mele e fokotseha haholo ka ho eketseha ha mocheso, kahoo sebaka sa kopo se lekanyelitsoe.Ka nako e ts'oanang, deformation ea compression, ho tiea le ho tšoarella ho tlase ho ea rabara, 'me theko hangata e phahame ho feta ea rabara e tšoanang.Leha ho le joalo, ka kakaretso, melemo ea TPR e ntse e hlahella, ha mefokolo e ntse e ntlafala kamehla.E le mofuta o mocha oa lisebelisoa tsa rabara tse bolokang matla le tikoloho, TPR e na le tebello e tšepisang ea nts'etsopele.
Polyurethane (PU), lebitso le felletseng ke polyurethane, ke motsoako oa polymer.E entsoe ke Otto Bayer ka 1937.Polyurethane e arotsoe ka lihlopha tse peli: mofuta oa polyester le mofuta oa polyether.Li ka etsoa lipolasetiki tsa polyurethane (haholo-holo lipolasetiki tse foamed), likhoele tsa polyurethane (tse bitsoang spandex Chaena), liraba tsa polyurethane le li-elastomers.
Polyurethane e bonolo haholo ke sebopeho sa mela ea thermoplastic, se nang le botsitso bo betere, ho hanyetsa lik'hemik'hale, ho tiea le thepa ea mochini ho feta thepa ea foam ea PVC, 'me e na le deformation e fokolang ea compression.E na le ts'ebetso e ntle ea mocheso, ho koala molumo, ho hanyetsa ts'oaetso le ts'ebetso ea anti-virus.Ka hona, e sebelisoa e le ho paka, ho kenya molumo, lisebelisoa tsa filthara.
Plastiki e thata ea polyurethane e bobebe ka boima ba 'mele, e sebetsa hantle ka ho kenya molumo le ho kenya mocheso, ho hanyetsa lik'hemik'hale, thepa e ntle ea motlakase, ho sebetsa habonolo le ho monya metsi a tlase.E sebelisoa haholo ho tsa kaho, likoloi, indastering ea lifofane, lisebelisoa tsa sebopeho sa mogote.
Ts'ebetso ea polyurethane elastomer e pakeng tsa polasetiki le rabara, ho hanyetsa oli, ho hanyetsa ho roala, ho hanyetsa mocheso o tlase, ho hanyetsa botsofali, boima bo phahameng le elasticity.E sebelisoa haholo indastering ea lieta le indastering ea bongaka.Polyurethane e ka boela ea sebelisoa ho etsa li-adhesives, li-coat, letlalo la maiketsetso, joalo-joalo.
Polyurethane e hlahile lilemong tsa bo-1930.Ka mor'a lilemo tse ka bang 80 tsa tsoelo-pele ea theknoloji, thepa ena e 'nile ea sebelisoa haholo lefapheng la thepa ea ka tlung, kaho, litlhoko tsa letsatsi le letsatsi, lipalangoang le lisebelisoa tsa lapeng.
Melemo: PVC e thata ke e 'ngoe ea lisebelisoa tsa polasetiki tse sebelisoang haholo.Lintho tse bonahalang tsa PVC ke mofuta oa lintho tse se nang kristale.
Ts'ebelisong ea 'nete, lisebelisoa tsa PVC hangata li eketsoa ka li-stabilizers, lubricant, li-agent tse thusang, li-pigments, li-agent le li-additives tse ling.
Lisebelisoa tsa PVC ha li na ho cha, matla a phahameng, ho hanyetsa boemo ba leholimo le botsitso bo botle ba geometri.
PVC e na le khanyetso e matla ho li-oxidants, li-agent tse fokotsang le li-acid tse matla.Leha ho le joalo, e ka corroded ke concentrated oxidizing acids, tse kang concentrated sulfuric acid le concentrated nitric acid, 'me ha e loketse ho kopana le li-hydrocarbon tse nkhang hamonate le li-hydrocarbon tse chlorinated.
Mefokolo: Litšobotsi tsa phallo ea PVC li fokola haholo, 'me mefuta ea eona ea ts'ebetso e moqotetsane haholo.Haholo-holo, lisebelisoa tsa PVC tse nang le boima bo boholo ba limolek'hule li thata haholo ho sebetsa (lisebelisoa tse joalo hangata li hloka ho eketsa lubricant ho ntlafatsa litšobotsi tsa phallo), kahoo lisebelisoa tsa PVC tse nang le boima ba limolek'hule tse nyenyane li atisa ho sebelisoa.
The shrinkage ea PVC e tlaase haholo, ka kakaretso 0, 2 - 0, 6%.
PVC e bonolo ho lokolla khase e chefo nakong ea ho bopa.
Molemo oa Nylon:
1. Matla a phahameng a mechine, ho tiea ho hotle, ho tsieleha ho phahameng le ho hatella matla.Matla a itseng a thata a phahame ho feta a tšepe, 'me matla a ho hatella a khethehileng a tšoana le a tšepe, empa ho tiea ha eona ho ka tlaase ho ea tšepe.Matla a thata a haufi le matla a lihlahisoa, a fetang habeli ho feta ABS.Matla a ho monya a tšusumetso le khatello ea maikutlo a matla, 'me matla a ts'usumetso a phahame haholo ho feta a polasetiki e tloaelehileng,' me a betere ho feta a acetal resin.
2. Ho hanyetsa mokhathala ho ikhetha, 'me likarolo li ntse li ka boloka matla a pele a mochine ka mor'a ho khumama khafetsa.Hangata PA e sebelisoa maemong ao litlamorao tsa nako le nako tsa li-handrails tse tloaelehileng tsa lipalangoang le lirimo tse ncha tsa libaesekele tsa polasetiki li totobetseng haholo.
3. Ntho e phahameng ea ho nolofatsa le ho hanyetsa mocheso (joaloka nylon 46, nylon e phahameng ea crystalline e na le mocheso o phahameng oa mocheso oa mocheso, o ka sebelisoang nako e telele tlas'a 150 ℃. Ka mor'a ho matlafatsa khalase ea fiber, PA66 e na le mocheso oa mocheso oa mocheso o fetang ho feta. 250 ℃).
4. Sebaka se boreleli, coefficient e nyane ea likhohlano, e sa sebetseng.E ea itlholisa 'me e na le lerata le tlase ha e sebelisoa e le karolo ea mochini o tsamaeang.E ka sebelisoa ntle le lubricant ha phello ea khohlano e sa phahame haholo;Haeba lubricant e hlile e hlokahala ho fokotsa khohlano kapa ho thusa ho qhala mocheso, ho ka khethoa metsi, oli, mafura, joalo-joalo.Ka hona, e le karolo ea phetisetso, e na le bophelo bo bolelele ba ts'ebeletso.
5. E hanyetsana le kutu, alkali le metsi a mangata a letsoai, acid e fokolang, oli ea enjene, peterole, metsoako e nkhang hamonate ea hydrocarbon le li-solvents ka kakaretso, inert ho metsoako e nkhang hamonate, empa ha e hanyetsane le li-acid tse matla le li-oxidants.E ka hanela khoholeho ea peterole, oli, mafura, joala, alkali e fokolang, joalo-joalo 'me e na le bokhoni bo botle ba ho thibela botsofali.E ka sebelisoa e le thepa ea ho paka bakeng sa ho tlotsa oli, mafura, joalo-joalo.
Mefokolo:
1. Monyetla o mobe oa metsi le botsitso ba dimensional.
2. Ho hanyetsa hampe mocheso o tlaase.
3. Thepa ea antistatic e futsanehile.
4. Ho hanyetsa mocheso o fokolang.
Nako ea poso: Feb-04-2023