Pom (PolyoxyMethymethylene PolyoxyMene Polyoxymes polyoxyMeth. E fumanoa ka ho qhekella folymeldehyde joalo ka lisebelisoa tse tala. Pom-H (Polyoxyme Homopolymer) le Pom-K (Polyoxymethlene Copolymer. E na le thepa e ntle ea 'mele le ea lik'hemik'hale le lik'hemik'hale haholo-holo, ha ho hanyetsa hamolemonyana haholo. Pom ke pompong ea molamu e se nang letlapa le mahlakoreng, letsoalo le phahameng le kriniki e phahameng haholo, e nang le thepa e ntle haholo. Pom ke thepa e thata le e letsoai e nang le metsi a boreleli, a benyang, e bobebe, e tšoeu, 'me e ka sebelisoa ka nako e telele ea C.400 ° C. Ho hanyetsa ha ho hanyetsa le ho ikhatholla hape ho phahametse lipolanete tse ngata tsa boenjiniere, 'me e na le ho hanyetsa oli e ntle ea oli le peroxide. Ho mamella haholo ho acid, alkalis e matla le e matla ea maballo le radiation.
LITLHAKISO TSA 'Mele
Polyoxymethylene o na le matla a mashome a 70mpa, monyaka o tlase oa metsi, botsitso le baphaphathehi le gloss. Mesebetsi ena e molemo ho feta nylon. Polyoxymethylene ke kristale e kristalelline e kholo, e leng har'a bolotsana ba setso. E na le matla a mangata a tšosang, ho bema matla, matla a mokha oa ho feto-thata le ho khathala ho hanyetsa. Ts'ebetso ea Pom: Nomoro ea Ts'ebetso ea Bobeli ea 1,43
Kopo ea kopo
Pom ke polasetiki ea kristale e nang le ntlha e hlakileng e hlakileng. Hang ha e fihla moo ho qhibilihang, pono e qhibilihang e oela ka potlako. Ha mocheso o feta moeli o itseng kapa o qhibilihileng o futhumetse nako e telele haholo, e tla bakela ho bolaoa. Pom e na le thepa e ntle e theko e phahameng. Ke ntho e thata ka ho fetisisa har'a batho ba ruruhang. Ke e 'ngoe ea lisebelisoa tsa polasetiki tseo thepa ea eona ea kelello e haufi haholo le tšepe. Matla a eona a mashome a futhumetseng, ho bea matla, matla a teba, a hatelloa ke mosebetsi o molelele haholo lipakeng tsa likhato tse 100 tsa motlakase.
Li-commituri tsa lik'hemik'hale
Ho latela sebopeho se fapaneng sa molek'hule, polyoxymethymeslene e ka aroloa ho Homopolyoymeslene le Copolyoxene. Ea pele e na le letsoalo le phahameng, kristanta le ntlha e matlafatsang, empa mocheso o litšila (likhato tse 10) Ea morao-rao e na le letsoalo le tlase, kristanta le ntlha e metlelang, empa e na le botsitso bo botle ba motlakase. Mefokolo ke ena ke ho hana maemo a matla a asiti, ho halefa mafutsana le mocheso o matlafatsang le mocheso o fokotsang oksijene li haufi. Li sebelisoa haholo indasteri ea koloi, lisebelisoa tsa elektroniki, lisebelisoa tsa motlakase, jj. E ka sebelisoa e le feforeishene, fensetere le ho hlatsoa basin. Pompo ea thepa ea thepa ea 'mele ea thepa: Dentiity G / cm3 1.39
Ho monya metsi% 0.2
Mocheso o tsoelang pele oa mocheso o tsoela pele -50--110
Ke beha matla a Tenstile Mpa 63
Tense e Telsity ho Sub% 10
Khothatso ea Nako e Teng ea MPA
Ultimate tensile%% e 31
Hlooho ea Toughness KJ / ㎡
Notch Headness KJ / ㎡ 6
Rockwell Hardness MPA 135
Shore Harness MPA 85
ho chesa matla mpa
Elastic Modulus MPA 2600
Mocheso oa mocheso ℃ 150
Mocheso oa mocheso o khopisang sdt ℃ 155
se lekaneng ka mokhoa o hlakileng oa ho futhumatsa
1.1
Mokhoa oa ho itlosa bolutu W / (M × k) 031
Khohlano e sebetsa
0.35
Pom e na le monko o tlase haholo oa likhohlano le botsitso ba sebopeho sa geometri, haholo-holo bo nepahetseng ba sebopeho, haholoholo bakeng sa ho etsa likerere le majabajaba. Hobane e boetse e hanyetsa mocheso o phahameng oa mocheso, e boetse e sebelisoa ka lisebelisoa tsa pompoline (li-valis tsa pompo, li-valis tsa pompo, lisebelisoa tsa mohloaare
Maemo a ts'ebetso
Phekolo ea ho omella: Haeba boitsebiso bo bolokiloe tikolohong e omeletseng, hangata ha ho hlokahale hore ba ome. Mocheso o qhibilihang: 190 ~ 230 ℃ bakeng sa lisebelisoa tsa homopolymer; 190 ~ 210 ℃ bakeng sa lisebelisoa tsa copolymer. Mofuthu oa bongata: 80 ~ 105 ℃. Bakeng sa ho fokotsa shrinnkage kamora ho bopa, mocheso o phahameng o ka sebelisoang. Khatello ea ente: 700 ~ 2400bar lebelo la enjene: lebelo le phahameng kapa le phahameng la ente. Semathi le heke: mofuta ofe kapa ofe oa heke o ka sebelisoa. Haeba heke e bopehileng-bopehileng e sebelisoa, ho molemo ho sebelisa mofuta o khuts'oane. Bakeng sa lisebelisoa tsa batho ba homopolymer, limathi tse chesang tsa nozzle lia khothalletsoa. Bakeng sa lisebelisoa tsa copolymer, limathi tsa ka hare tse chesang le limathi tse chesang tsa kantle li ka sebelisoa. Pom Kicket Ba lik'hemik'hale le thepa ea 'mele ea polyoxymethye: Pom ke boitsebiso bo thata le tse tsitsitseng tsa geometri le tšusumetsong e tlase esita le mocheso o tlase. Pom e na le lisebelisoa tsa bamopolymer tsa homopolymer le lisebelisoa tsa copolymer. Lisebelisoa tsa batho ba bangpolymer ba na le matla a matle le matla a maholo, empa ha ho bonolo ho sebetsa. Lisebelisoa tsa copolelymer li na le botsitso bo botle ba botsitso le boko bo bonolo 'me ho bonolo ho bo etsa. Lisebelisoa tsa Bompopolommermer le li-copolometri li na le thepa ea kristalline 'me ha ho bonolo ho amohela mongobo. Leeto le phahameng la pompo ea pom le lebisa ho sekhahla se phahameng haholo sa shrichinage se phahameng haholo, se ka bang phahameng joalo ka 2% ho isa ho 3.5%. Ho na le litheko tse fapaneng tsa shrinkage bakeng sa mefuta e fapaneng ea lisebelisoa tse fapaneng tse fapaneng.
Phapang ea pom ke hore ho ba thata le ho thatafala ha eona le mocheso oa eona o phahameng le mocheso oa eona o apere hape. E ka sebelisoa e le likarolo tse rorisang joalo ka likere.
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