PA66 (polyamide 66 kapa nylon 66) ke Thermoplast Renin, ka kakaretso e entsoeng ke PolyCondenSenSente ea ADIPIC ea ADIPIC tsa Adipic le adipic Diamine. Ha e khathale ka tjantjello e akaretsang, 'me e qhibiliha feela ho M-CRESOCY LE HONA. E na le matla le bokhabane bo phahameng, 'me bo thata haholo. E ka sebelisoa e le lipolane, lisebelisoa tse thata tse kang lefapha la tšepe, ho e-na le lisebelisoa tse seng tsa tšepe tsa ho hanyetsa le ho ba le matla a ho tsitsipana le sehlahisoa. E ka sebelisoa le ho etsa likhoele tsa maiketsetso.
Lintlha tse akaretsang
Ke papali ea thermoplane e nang le sehlopha sa moaho (-cenh-) ho pheta-pheta karolo ea sebopeho sa ketane ea molek'hule. Hangata e etsoa hangata lipelletso tsa li-cylindrical, 'me boima ba lisele tsa polinyane bo sebelisitsoeng bakeng sa polasetiki hangata ke lithane tse 20,000. Litšobotsi tse tloaelehileng tsa poellide tse fapaneng li khutlela morao, matla a phahameng a motlakase (ho fihla ho 1045pa ka lebaka la mocheso oa motlakase oa 150 ℃ kapa ho feta), e leng ntlha ea ho qhibiliha ka 150 ~ 250 ℃, boemo ba molten ba ho boloka thepa bo phahame, bo bong bo lekanang ba 1.05 ~ 1.15 (filler e ka eketsoa ho eketsa palo ho 1,6), boholo ba motho ea nang le chefo. Leha ho le joalo, ha litaba tse phahameng haholo li sa tsebeng letho haholo, ha ho tšoaneloe ke ho kopana le letlalo kapa lijo, 'me hangata ho na le melao ea bohloeki linaheng tse fapaneng.
Lihlahisoa tsa NYLON
Nalane eo ea pele ea indasteri ea mefuta ea polyamide e polyamide 66 (ke hore, tlhahiso ea likhoele tsa polnamide (samlon fingors) sampuli Ka 1938, 1939 ea 1939 e kenang ea lihlahisoa tsa indasteri. Ka nako eo, li-polyamide li ne li sebelisoa haholo bakeng sa tlhahiso ea likhoele, liropo le sekoaelo. Tšebeliso ea sesole ea lisebelisoa tsena e ile ea thehoa haholo nakong ea ntoa ea bobeli ea lefatše, 'me lifilimi le polasetiki li hlahisitsoe kamora ntoa. 1941 E qalile ho qala ha polyamide 6 Jeremane, e lateloang ke nts'etsopele ea polyamide 610. 1950 bona nts'etsopele ea polyamide 11 Fora. 1958 Ho ile ha hlaha tlhahiso e atlehileng ea liteko ea polyamide 1010 naheng ea China, le moholi oa USSR. 1966 Ho ile ha hlaha tlhahiso e kholo ea polyamide cllempany k'hamphani ea rysmmmm coureshiraking Rephaboliking ea Misswaral ea Jeremane. Ka 1972, Dupont ea US e ile ea hlokomela tlhahiso ea li indasteri ea ho nkhaletsa ha seqhobosheane. Lilemo tse 70 hamorao, phetoho ea pollides e tsositse thahasello e kholo, litšenyehelo tsa polyamide li eketseha selemo le selemo, e le hore polyamide e se e qalile sehlopheng sa Mefuta ea mefuta, e ka tloaela tšebeliso e fapaneng ea lisebelisoa tsa polymer lisebelisoa.
Ts'ebetso
PA66 Polyamide 66 kapa Nylon 66 Manyolo a lik'hemik'hale le lisebelisoa tsa 'mele oa' mele. Ke thepa ea kristalline ea crystalline ea crystalline .pa66 e boloka matla le ho satalla ha tsona mochesong o phahameng. Matla a ho Hygroscopicity ka botsitso ba geometri e le botsitsong ba geometrical e lokela ho tsotelloa ka lebaka la sehlahisoa sa sehlahisoa. Ho ntlafatsa thepa ea mochini oa "pa66, hangata mefuta e fapaneng ea mesifa e eketsoa. Khalase ke lisebelisoa tse tloaelehileng ka ho fetisisa, 'me ka linako tse ling li-ruble tse halikiloeng tse kang EPDD le SBR li eketsoa ho ntlafatsa khatello ea ho hlasimolla. Pa66 e na le pono e tlase mme ka hona phallo e ntle (empa eseng hantle joaloka pa6). Thepa ena e ka sebelisoa ho mochini o tšesaane haholo. Lifuba tsa eona li na le liphetoho tsa mocheso.Ka shrinkage e pakeng tsa 1% le 2%, le 2%, le 2%, le 2% ho isa ho 1%. Shrinkage ka lehlakoreng la ts'ebetso le tataiso e teng tseleng ea ts'ebetso e kholo. Pa66 e ralielloa ho loants'oa li-solvent tse ngata, empa ha li hanyetse li-acid le li-aginen tse ling tse ngotsoeng.
Thepa ea 'mele le ea lik'hemik'hale
Pa66 Lapala la polasetiki bakeng sa sephutheloana sa ho ts'oaroa kapa o rapalequeque "kapa ka krion crystalar cookine, ka polasetiki. Letsoalo (g / cm3) 1.10-1.14; matla a Tense (MPA) 60.0-80.0; ROCKwell Hardner 118; Point Point 252 ° C; Mocheso oa matlafatso oa cellls .30 ° C; mocheso o futhumatsang oa ho lahla o fetang 350 ° C; Khanyetso e tsoelang pele ea mocheso 80-120 ° C; matla a tšusumetso (KJ / M2) 60-100; Matla a benyang a tšepe (MPA) 1 00-120; Ho hanyetsa portin mocheso mocheso (° C) 50-60; Maemo a feto-fetoha lehlokoa le maemo a Elasticity (MPA) 2000-3000; Litšoantšo tsa molumo (ωcm) 1.83 × 1015; Ho bala metsi a lekanang le metsi 2.5%; Destactric Contern 1.63.
Makhoma a lik'hemik'hale: [-Nh) 6-nhco (Ch2 (Ch2) 4co]. Halogan
Pa66 e na le ntlha e qhibilihang e phahameng ka lisebelisoa tsa polyamide. Moralo oa sehlahisoa, shrinkage ea Pa66 lipakeng tsa 1% le 2%.
Joale e potoloha 'marakeng o nang le metsi a mangata a nyahamisang ka ho feto-fetoha le maemo, ha theko e theko e tlase, e le hore boholo ba bareki ba boloka chelete e ngata litšenyehelo.
Phetoho ea polyamide
Mokhoa o ka sehloohong ke ho eketsa palo e lekanang ea litlatsetso ts'ebetsong ea polymeriation kapa ts'ebetsong, e le ho fana ka libaka tse fapaneng tse fapaneng, e le hore ho loketse mefuta e fapaneng e fapaneng. Ditsheklomoro tse sebelisoang hangata ke: ① stabilizers. Ho kenyelletsa le ba nang le mocheso le ba nang le batsitso ba bobebe, ba ka ntlafatsang ka kotlo e ngata ka thōko ho khanyetsano ea polyamide ho hlahisa nylon. Haeba u eketsa carbon e nang le conbon e ntšo e ntšo ea 2% (boleng), polyamide e ka sebelisoa kantle ho nako e telele. ② Hangata fiber ea khalase e sebelisoang hantle. E entsoe ka nylon e matlafatsang ho ntlafatsa seriti, 'me u se ke oa khutsisa shrunkage ea sehlahisoa. E ntlafalitsoe ka likhoele tsa tšepe, eseng ho Moritulus e phahameng haholo, empa hape e sebetsa. Ka liminerale le tsona li na le phello e ntle ea ntlafatso, 'me u etse tšebetso le ho bopa bonolo, litšenyehelo tsa litšenyehelo. Molybenum Durulfide le Polytetrafluoethylene le eona e sebetsa lisebelisoa tsa polyamide, 'me li ka pheha khang. Litlaleho tsa nyutlelie. E sebelisoa ho hlahisa microcrystalline nylon, e ka potlakisa nako ea ho hellisoa, e le hore potoloho e bolileng e khuts'oane ka 20% ho isa ho 30% ho isa ho 30%. Ntle le moo, ho latela kopo, merobo ea naha le Lubricants e ka eketsoa.
Mokhoa o mong oa phetoho o qotsoa, coumelmerization ea nylon ke boitsebiso bo monate le thepa e tsitsitseng; polnomide le polyolefin bloft li-coolymerization tsa matla le botsitso ba khatello ea maikutlo, ebile li ka etsoa habonolo ho sebetsa mongobo, lihlahisoa tsa polasetiki tse tlase. Mokhoa ona o sebetsang oa ho rarolla bofokoli ba polyamide ke e 'ngoe ea tataiso bakeng sa nts'etsopele ea mefuta e memo ea mexico ea lilemong tsa morao tjena.
E sebelisoa
Lihlahisoa tsa polasetiki tse sebelisoang haholo e le mefuta e fapaneng le ea motlakase, li-bericas, litulo tsa matla, lichapo, liropo, drive mabanta, lebili Khoebo, mabokose a battery, likokoana-hloko tsa motlakase, likhomphutha tsa cable joalo-joalo. Ho boetse ho na le theipi, filimi ea lijo (e phehiloeng lijo tse phetseng hantle le lino tse pholileng tse nang le filimi e tlase) le eona e kholo haholo. Khampani ea Monsanto naheng ea United States ho hlaolela polasetiki ea polyamide ea ho qolla, e tsejoa haholo ka likhetla tse matlafatsang tsa likhetla tse matlafatsang tlholisanong Ka lisebelisoa tsa tšepe, indastering ea likoloi tse etsang chelete e etsang ho fokotsa boima ba 'mele, ho boloka motlakase le phokotso ea litšenyehelo e fumane tsela e' ngoe.
Mefuta e ka sehloohong ea likhoele tsa polyamide (alifatic) ke nylon 66 le nylon 6, ena e tsejoa hape e le nylon. Ba na le matla a maholo, boikemisetso bo botle bo bobe ka ho fetisisa likhoele tse ngata, ho hanyetsa deformation e mengata e haufi le li-cobers tse ngata. Ba na le monyali ea motle oa mocheso, empa e khanetse leseli le khatello ea mocheso. Finamide Filate ea Pober e ka etsoa lisokisi, lihempe, lisere, lisepa tsa ski, lit skic.; Likhoma tse tloaelehileng li ka kopantsoe le k'hothone, boea le likhoele tsa pono, e le hore lesela le hanyerese le matla a ho hanyetsa hantle. E ka sebelisoa e le Velcro, likopapa, masela a khakhas tse khakhasellang. E sebelisoa haholo ho feta ho etsa lesela la sekoaelo, ho kenyelletsa lebanta la ho tšoasa litlhapi, thapo e ngata joalo.
