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Lehae> Litaba> Thepa ea mantlha ea boima ba molek'hule ea molek'hule ea ultra-hights polyethylene (UHMWPE)

Thepa ea mantlha ea boima ba molek'hule ea molek'hule ea ultra-hights polyethylene (UHMWPE)

July 07, 2024

Ultra-High Molecular boima ba polyethylene (UHMWPE) Bolulo ba UHMWPE e nang le bongata ba batho ba 200 × 104 ke feela 0.935G ea parafordmehyde, kahoo lihlahisoa tsa eona li khetholloa ka boima ba boima ba 'mele. UHMWP e na le mefuta e fapaneng ea lintho tsa 'mele, ea' mele, thepa ea lik'hemi, e thibelang metsi, e thibelang metsi, e thibelang metsi, bohloeki le Ho se chefo, ho ngola bocha hape ho hanyetsa mocheso o tlase, jj. Mefokolo ea eona ke khaello ea maikutlo ea mocheso, e tlaase, matla a tlase, matla a mangata a ho phomola.

Precision Feeding Screws Uhmwpe Plastic



1. Lintlha tsa ts'ebetso tsa uhmwpe


2. Litlhoko tsa mochini


(1) ho hanyetsa tšusumetso e matla


Matla a amehang a uhmwpe ke e mong oa tse ntle ka ho fetisisa lipolelong tsohle tsa boenjiniere. UHMWPE e ka boloka khanyetso e ntle haholo esita le mocheso o tlase, esita le ka har'a setlamo sa metsi (-196 ℃) Matla a eona a amang a qala ho eketseha le boima ba bo-'mè ba amanang le bo-'mè ba amanang, bongata ba bo-mme ba bona ba ho fihlela boleng ba bona bo holimo, ebe bo fokotseha. Matla a amehang a uhmwpe a ka bang makhetlo a 2 ho isa ho polycarbonate, a a athe makhetlo a 5, ka makhetlo a 5, PA, parafordMelde le PBT ho feta makhetlo a 10.


(2) ho hanyetsa


Ho hanyetsa ha uhmwpe lenane lenaneng la sekepe, makhetlo a 'maloa ho feta a boima ba carbon le ho feta. Setšoantšo sa 1-1 se bonts'a papiso ea ho hanyetsa pakeng tsa uhmwpe le lisebelisoa tse ling. Maemo a liteko a tjena: seretse se entsoe ka likarolo tse 2 tsa metsi le likarolo tse 3 tsa lehlabathe; Lebelo la ho potoloha ha sekhechana la liteko ke 900r / min; Nako ea ho matha ke 7h.


Papiso ea ho hanyetsa ha ho hanyetsa ha uhmwpe ka lisebelisoa tse ling


Water Absorption Comparison

(3) Boithabiso


UHMWP e na le boits'oaro bo botle le boits'oaro bo fokolang ba likhohlano tse matla tse bapisoang le tsa PTF. Lethathamo la 1-2, lethathamong leo papiso ea karolo ea matla a matla a matla a matla pakeng tsa uhmwpe le lithoto tse ling tsa boenjiniere. Ho ka bonoa hore ntho ea li-kinettic ea uhmwpe ea hau ka tlas'a mafura ke 1/2 ea maemo a sa feleng, a nang le thepa e ntle haholo ho PTFI. Ha e sebetsa ka foromo e thellang kapa e potolohang, e na le ts'ebetso e ntle ho feta tšepe le koporo e nang le oli e tlotsang e tlotsang e tlokomang. Ho feta moo, theko ea uhmwpe e tlase, kahoo tšimong ea tranthy, e nkuoa e le lisebelisoa tse ntle haholo tse nang le tekanyo e ntle haholo ea litšenyehelo tsa ts'ebetso.


Papiso ea ho iqopa ho matla le ho feta ha uhmwpe le lipopae tse ling tsa boenjiniere

Lintho tse bonahalang E sa sebetsoang
Metsi a Lumelletsoeng
Oli e halikiloeng
Uhmwpe 0.10 ~ 0.22 0.05 ~ 0.10 0.05 ~ 0.08
PTFE 0.04 ~ 0.25 0.04 ~ 0.08 0.04 ~ 0.05
Pa66 0.15 ~ 0.40 0.14 ~ 0.19 0.06 ~ 0.11
Pom 0.15 ~ 0.35 0.10 ~ 0.20 0.05 ~ 0.10


(4) Matla a Tean


Ho hlahisoa ha lihlahisoa tse mashome a mane ka matla a uhmwpe. Leha ho le joalo, ha terene e le 0.94g / cm3 kapa boima ba moleng ba amana le ba 150 × 104, ho na le phetoho ea matla a chatsi. Matla a ho tlola a Tersir a amana le bongata ba bo-bong bo amanang le bo-bong bo itseng, mme phello ea letsoalo ho eona e hlokomolohile ha e le hantle. Ho fapana le seo, matla a chabehileng, ka keketseho ea bongata ba moleng oa bo-bong, ho eketseha matla a ho robefala ho latela hantle.


3. Matla a motlakase


E ts'oanang le polyethylene, pontso ea molek'hule e entsoe ka khabone le hydrojene, ka hona, thepa e ntle ea ho ts'oaroa ea motlakase. Ho hana ha eona ho phahame joalo ka 1016 ~ 1018 hle, 'me Diactric Lifofane Liangen ke (2 ~ 3) × 10-4. 4.


4. LITLHAKISO TSA BOPHELO


Ho hanyetsa mocheso ha mocheso ha uhmwpe ha ho phahame, mocheso oa tšebeliso hangata o ka tlase ho 100 ℃. Leha ho le joalo, ka lebaka la boima ba 'mele oa eona e le' ngoe bo boholo haholo, ka hona, ntlha e nyelisang e phahame ho feta e tloaelehileng, ea 136 ℃) e tšoana le ea Hdpe Leha ho le joalo, UHMWP e na le likhato tse tlase tsa mocheso, tse ntle ka ho fetisisa har'a polasetiki e ka tlase -70 ℃, le haeba mocheso oa leholimo o Mofani oa metsi o ka tlase -70 ℃, le mocheso oa mocheso oa mohloa (-4 ℃) e ka tlase -70 ℃, mocheso oa mocheso oa helium o ka tlase -70 ℃. Mocheso oa blttle o ka tlase -70 ° C, esita le mocheso oa helium oa metsi (-29 ° C, o ntse o na le matla a tšusumetso le ho hanyetsa. Esita le mocheso oa Helium oa metsi (-269 ℃), ho ntse ho na le tšusumetso e matla ea ho itlosa bolutu. Mocheso oa ho sebetsa o tsoa ho 10065 ho ea 100 ℃, 'me ho ntse ho ka sebelisoa ntle le mocheso ha theknoloji e tlase, liphaephe tse tlase le mocheso o tlase haholo maemo a kang indasteri ea nyutlelie.


5. Cheming ea lik'hemik'hale


Uhmwpe e na le litšitiso tse ntle tsa lik'hemik'hale. Lijo tsa bolulo, peterole, hepchexane, Istone isobutyl, Isopene Ester, Methzene Ester ea ponahalo ea pohenomena ea anotlous, ts'ebetso ea mefuta e fapaneng ea hoo e batlang e se na phetoho. Sena se bakoa ke taba ea hore boima ba molek'hule ea molek'hule ha bo na sehlopha sa limolek'hule, mme ho batla ho se na crystallinity e phahameng. Leha ho le joalo, ha ea ka ea tsitsinyelle ho acid ea Sulfuric acid ea Tydrocloric ea Hydroci ea Hydrocarbons le hydrocarbons le li-hydrocarbons le lilallo tse ling, 'me lebelo le eketseha le eketseha.


6. Ho monya metsi


Sekhahla sa ho kena ka metsing sa UHMWPE ke se seng le se seng ka boenjiniere (bona tafole ea 1-3), 'me ha ho na sehlopha sa limoleke feela, Kahoo sekhahla sa ho kena ka metsing se tlaase haholo. Ka hona, lihlahisoa li ke ke tsa fetoha ka boholo ka lebaka la ho monya metsi, 'me ka nako e ts'oanang, li ke ke tsa ama thepa ea mochini, joalo ka ho hlaka le lisebelisoa tse sokollang ho omisoa pele e bopa le ho e lokisa.



Ho Fumana Metsing a Lipere tsa Boenjiniere tse 'maloa tse tloaelehileng

Lebitso la thepa
UhmWpe PA66 PC PC ea PM ABS PTFE
Watersoption%
<0.01 1.5 0 0 0,15 0 0,25 0.20 ~ 0.45 <0,02



7. Ultra-lie tse phahameng tsa molek'hule tsa polyebeene


Ka ts'ebetso e ntle ka ho fetisisa ea kakaretso, uhmwpe e sebelisoa haholo masimong a mechini, lisebelisoa tsa lik'hemik'hale, lisebelisoa tsa bongaka, joalo ka ha li reka, liphaephe, lithupa le lihlahisoa tse felisitsoeng. Lihlahisoa tse ka sehloohong ke: lipolanete, lithupa, li-slikis, li-roburs, li-robur, li-slight joalo-joalo. Ho tsoa theknoloji ea lihlahisoa e ka aroloa ka ho bopa, ho ts'oana le ho bopella, ho bopa ho bulding, ho kuta mohala.

Feeding Screws Uhmwpe Plastic


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