Pom Polyacetall, ka linako tse ling rea e bitsa "Sai Steel", ka linako tse ling li e bitsa "trane", kahoo ke hobane'ng ha lebitso le joalo ke le lebitso joalo? Hobane, lebitso hangata ke batsoali ba bona, ke hore, moqapi oa eona.
Rea tseba hore ho na le mefuta e 'meli ea bohlokoa ea parafordmehyde,' me e mong o bitsoa homopollyDfolddehlde. Ho qaptjoa ha tumellano ea copolymehde khamino (ea United States) e ngolisitsoeng ka mokhoa o ngotsoeng " Lebitso la khoebo, le bitsoang "Delrin", le fetoletsoeng ka fono e le 'Delrin'. Parafolddehyde ke polymer ea mola e se nang litulo, letsoalo le phahameng le kristale e phahameng. Ho latela likarolo tse fapaneng tsa lik'hemik'hale ka kemiso ea limok'hule, e ka aroloa ka mefuta e 'meli ea homo- le Co-Polyfolddehyde.
Phapang ea bohlokoa pakeng tsa tse peli ke: Homoponation ea formaldehde ea formaldehde, Crystaya . 'Me li-copollyforddehlde tensity, Crystayality, matla a mocheso, a thatafalloang a acid le alkali ho molemo. Ke polasetiki ea boenjiniere e nang le ts'ebetso e ntle ka ho fetisisa. E na le thepa e ntle ea 'mele, ea mochining, e leng lik'hemik'hale, ho hanyetsa haholo ho hanyetsa haholo.
Hangata e tsejoang e le tšepe ea lebelo, bakeng sa lipopae tsa boraro tse kholo ka ho fetisisa tsa boenjharehi tsa boenjhaji. E loketse tlhahiso ea likarolo tse rorisang, likarolo le indasteri ea lik'hemik'hale, lisebelisoa le likarolo tse ling. United States Celanese e qapile bokhabane ba formaldehyde.
Pombonie ea Plastics:
1, Pom e ka sebelisoa ntle le ho omisa, ho molemo ho preheat nakong ea ts'ebetso (hoo e ka bang 80 ℃), botsitso ba boholo ba sehlahisoa bo lokile;
2, ho sebetsa ka thata ho sebetsana le mocheso haholo, ka moqolong o lula o le monyane kapa mocheso o feta 220 ℃ o tla qhibiliha khase.
3, Pompo e tiisa taba ea lintho tse ngata tse bōpang ente.
4, Lihlahisoa tsa Pom li na le sekhahla se seholo sa shrink, se bonolo ho hlahisa shrinkage kapa deformation, mocheso o phahameng haholo ha o heletsa, o hloka ho ba hlokolosi.
5, POM e lokela ho ba "khatello ea mahareng, lebelo le mahareng, mocheso o tlase oa boitsebiso o phahameng, mocheso oa ho tsosa" ka tlasa khatello ea kelello ha o bopa;
6, ka matla le thata bo phahameng;
7, matla a maholo a tšabehang a tšabehang;
8, re hanyetsa ka tikoloho, ho hanyetsa hantle ho solric solvents;
9, Ho hanyetsa matla ho phetoa khafetsa sefuba, ho hlaphoheloa hamonate, ka ho hlaphoheloa, ho hanyetsa ho hanyetsa ha ho hanyetsa haholo, ho tsitsa haholo ho tsitsipana.
Likopo tse tloaelehileng tsa polasetiki ea Pomma: e ka nka sebaka sa matlo a sa lefelloeng, likotopo tsa lisebelisoa, limpho, likhetla, litsila, lilakane, lilakane on. Pom ea polasetiki ea Pom: Paraformaldehyde ke sebaka se boreleli, ba babelang ba nang le lihlahisoa tse thata le tse tebileng, bo bosoeu bo nang le pepeneneng. Mekhahlelo e kopaneng ea ho chesa, hole le mollo o tsoela pele ho chesa, marotholi a marotholi a khopisang, monko o halefileng Pom Opaque, mebala e metle, matla a khoheli e itseng 1.41-1.43 g / bm, boripi ba sokolla ka 170-90 ℃ nako ea lihora tse 2. Khanyetso ea mocheso ea Pom ha e phahame, eo homopolymer pom e nang le matla a mangata ho feta 10 ℃ kapa ho feta, empa homopolymerization ea pom e phahame ho feta 10 ℃ kapa Kahoo. Ka. Can be used for a long time in the temperature range of -40 ° C to 90 ° C. POM is very easy to decompose, decomposition temperature of 240 degrees. Ho etsa khase ea ho khopisang le ho senyehang e etsahala, kahoo tšepe e lokela ho khethoa lihlahisoa tsa lintho tse itlhomphang.
1, Pom ke polasetiki ea kristaline ea semi-kristaline, letsoalo la 1.42g / cm3, ke thata haholo, e tsejoang e le "tšepe.
2, e na le mokhathala, ho hanyetsa ha ho thekesela, ho hanyetsa khatello ea mocheso, ho hanyetsa khohlano e matla, 'me ho na le mokhoa o lekaneng oa likhohlano.
3, Pom ha ho bonolo ho amohela mongobo oa metsi, sekhahla sa ho monya metsi a 0.22 ~ 0,25% Mocheso oa ho khopisoa ke 172 ℃.
Pompo ea polasetiki ea letsoho: Pompo ea Pom Thepa ea eona ea ts'ebetso e ntle, hobane matla a ka fihla ho 50.5Ma, ho feta ho ata ha pom ka lebaka la pom, Phetoho ke matla a maholo.POM ea tšusumetso e phahameng, empa tšusumetso e tloaelehileng e tlase ho ABS le PC; Pom notch-se tsotelle, ho ka etsoa ho matla a tšusumetso a theotsoe ke 90% ea tse ling. Matla a teteaneng a matlafalitsoe haholo, matla a maanyeheng a ho fifala ho fihla ho 35mpa, a ntse a le a le 28 feela. Leqha la pom le tšoana le PA, ho 20 ℃, 21000h ke feela 2.3 feela, mme ka mocheso o le nyane haholo. Taba ea bohlokoa ea likhohlano e nyane, e hanyetsanang e ntle, boleng ba boleng ba PV bo leholo haholo, bo iphumanele. Lihlahisoa tsa Pom khahlanong le ho grinding, ho bonolo ho ba le moroalo o phahameng ho hlahisa lerata le lerata.
Pompe ea polasetiki ea polasetiki:
Seemahale sa motlakase sa Pom se hantle, se batlang se sa angoe ke mocheso le mongobo; Destactric Convern ea Diectric le Deoctrictric e ngata ka mefuta e fapaneng ea mocheso, mongobo le liphetoho tsa khafetsa li nyane haholo; ho hanyetsa haholo ho ho hanyetsa mocheso o phahameng oa moea. Potlako ea Dialectric. Pom Plastics Stater: Pom ha e lumellane le acid ea alkalis le acidhy, 'me e tsitsipanye le peterole le mekoallo ea mafura, jj. Ho monya metsi a manyane a ho monya, ho tsitsa tse ntle tsa bokhabane. Ho hanyetsa boemo ba leholimo ba Pompo ha ho monate, nako e telele ea ho putlama, matla a maqeba a putlama, a ka hlaha. Pompo ea polasetiki e bopehileng, thepa ea kristale, e qhibilihang, mocheso o boima o qhibilihang ka tlase ho kristale. Ho hloka frodity ke mahareng. Mongobo oa mongobo o monyane, o ke ke oa omisoa.
Pom e fetotsoeng:
1, ntlafatsa lisebelisoa tsa ho ntlafatsa bakeng sa fiber ea khalase, bolo ea khase kapa fiber e ntlafalitsoeng e ka eketsoa ka makhetlo a 2 ho isa ho a 3, mocheso o mongata o ka eketseha ka 50 ℃.
2, Pompo e silafetseng e hanyetsang ka pom ka pom ka ho eketsa Graphite, F4, Molybensum, Maraba le boima ba lipalesa tse tlase tsa bilicaring. Mohlala, eketsa likarolo tse 5 tsa F4 ho POM, li ka fokotsa tlhahiso ea 60%, u apare khanyetso e eketsehang ka makhetlo a 1 ho isa ho a mabeli. Mohlala o mong, eketsa liaparo tsa metsi ho pom ho ka ntlafatsa haholo ho khahlano le ho hanyetsa le boleng ba PV. Bakeng sa ho ntlafatsa ho se ha hahelloa ke oli, hloka ho eketsa carbon black, alunene e ne e le sulfate, ethinene ea Ethylene Rubber le bajari ba bang ba hapileng oli. Kenya lithapo tsa pom ea oli ea oli ea oli ea oli ea oli ea 72%, boleng ba PV bo sa feleng ho fihlela ho 3.9mpa-m / s)
Moqapi oa Homopolymerige Pom - Khomo (Delrin)
Pompo ea Doupont e aroloa haholo ho latela pono ea eona: Palo ea pele ea sehlahisoa e e lekang le palo (e phahameng haholo Index, e ka tlase ea pono), joalo ka papiso ea li-viscosity: Pom 1000010> Pom 300p Bk60f> Pom 9 5002> Pom 9 5002. Pom 900p bk602.
