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“Ho satalla” ho bolela bongata ba matla a hlokahalang bakeng sa phetoho ea yuniti ea ntho; “Ho tenyetseha” ho bolela bongata ba phetoho ea ntho tlas'a matla a yuniti. Ha “ho satalla” ho le hoholo, ho ka etsahala hore ho se be le phetoho e fokolang; ha “ho tenyetseha” ho le hoholo, ho ka etsahala hore ho be le phetoho e kholoanyane. Thepa e nang le ho tiea ho hotle e bonolo, 'me ho lelefala ha ho taboha le matla a ho otla ho hoholo, ha ho le thata, matla a ho tenyetseha le modulus ea ho tenyetseha e nyenyane.
Jwalo ka ha ho ka bonwa tlhalosong e ka hodimo, ho thatafala le ho tiya ke dintho tse fapaneng, empa bakeng sa dipolasetiki tse fetotsweng di itshetlehile ka tse ding. Mohlala, ha dipolasetiki tse matlafaditsweng ka fiberglass di tiya haholoanyane, matla a ho thaepa le matla a ho thulana a ka eketseha.
Mokhoa oa ho ntlafatsa ho tiea ha polasetiki?
Ho fumanoe hore ho eketsa ho tiea ha resin ea matrix ho ka ntlafatsa phello ea ho tiea ha polasetiki e tiisitsoeng.
Ho na le mekhoa e mengata ea ho tiisa, joalo ka ho eketsa boima ba limolek'hule tsa resin ea matrix ho fokotsa kabo ea boima ba limolek'hule, kapa ho laola kristale, kristale, boholo ba kristale le sebopeho sa kristale ho ntlafatsa ho tiea ho hoholo.
Mokhoa oa ho khetholla sesebelisoa sa ho tiisa polasetiki se sebelisoang hangata?
• Elastomer ea rabara e tiisitsoeng
EPR (ethylene-propylene ea binary), EPDM (EPDM), rabara ea butadiene (BR), rabara ea tlhaho (NR), rabara ea isobutene (IBR), rabara ea nitrile (NBR), jj. E loketse liphetoho tsohle tsa polasetiki tsa ho tiisa resin;
• Li-elastomer tsa Thermoplastic lia tiea
SBS, SEBS, POE, TPO, TPV, jj. Bakeng sa ho tiisa resin ea polyolefin kapa e seng polar, bakeng sa polyester, polyamide le li-polymer tse ling tse nang le lihlopha tse sebetsang tsa polar ho tiisa ho hlokahala ho eketsa li-compatibilizer;
• Copolymer e tiileng ea core-shell le terpolymer e arabelang
ACR (acrylate), MBS (methyl acrylate-butadiene-styrene copolymer), PTW (ethylene-butyl acrylate-glycidyl methacrylate copolymer), E-MA-GMA (ethylene-methyl acrylate-glycidyl methacrylate copolymer), jj. E sebediswa bakeng sa dipolasetiki tsa boenjiniere le ho tiisa alloy ya polymer e hanelang mocheso o phahameng;
• E matlafalitsoe ke ho kopanya polasetiki e matla haholo
PP/PA, PP/ABS, PA/ABS, HIPS/PPO, PPS/PA, PC/ABS, PC/PBT, jj. Theknoloji ya alloy ya polymer ke tsela ya bohlokwa ya ho lokisapolasetiki ea boenjiniere e matla haholo.
• Litsela tse ling tsa ho tiisa
Ho tiisa likaroloana tse nyane (tse kang nano-cacO3), ho tiisa resin ea sarin (ionomer ea tšepe ea Dupont), jj.
Tafole ea likateng
Ka dilemo tse ka bang 20 indastering ya disebediswa tsa extrusion tse bohlale, o bile le mesebetsi ya bohlokwa ho Jwell Machinery, ho kenyeletswa le Motsamaisi Kakaretso le Modulasetulo ya Potolohang. Ho tloha ka 2024, o laotse makala a mangata a ka tlase, a kganna katoloso ya kgwebo le ntlafatso ya diindasteri, ha a ntse a etella pele boqapi tlhahisong e bohlale le kgolo ya lefatshe.
