Nei pom-h uye pom-c

Mapurasitiki zvakadzama

Acetal = polyoxymexymelene (pom) = polyacetal = polyacetal = polyacetal = polyformaldehyde, mujaho simbi

ZVINOKOSHA ZVINOKOSHA: Yakakwirira Mechan Simba uye kuomarara, yakaderera coeffeness yekukakavara, yakanaka kupfeka kurwisa, sosi yechisikigo, michina yekunyorova, kudzikisira kwemakemikari.

History of Race Steel: Herman discovered Race Steel in 1920, DuPont commercially produced the acetal homopolymer POM-H in 1956, and Celanese invented the polyformaldehyde copolymer POM-C in 1962.

Acetal iri acetal, inozivikanwawo sePoldaCeta, zvakare inozivikanwa nemakemanicale (kureva pomyoxymyde (pom), is a fomualdehyde-basedhe-crystalline engineering arermoplastic.

Nguva zhinji kazhinji, acetal inopfupikiswa pom mukutaura.

Pom makemikari chimiro

Acetal inowanzozivikanwa sedzinza simbi uye inowanzo kuwanikwa mune dema nechena, acetal-dema uye acetal-chena.

Acetal inogadziriswa mu standard billet maumbirwo emabhiza uye akabva awisira mashitsi, tsvimbo nemabhuru.

Acetal ine simba rakareba simba uye kuomarara, zvakanaka zvinotsvedza maitiro (yakaderera coefficidens yekukakavara), uye yakanakisa kupfeka kupokana.

Nekuti acetal inobata mvura shoma, ine yakanakisa dimensional kugadzikana uye sarudzo yakanaka kwazvo yeiyo yakaoma maumbirwo uye zvakanyanyisa zvikamu zvemakirini. Zvakare nekuda kwekunyora kwemvura yakadzika, mujaho wemajaho unonyura nylon nechinhu che4 mukunyorova kwe4 mukunyorova kwakanyanyisa kana kunyorera.

Nekuda kwechimiro chemakemikari wechigadziko chemujaho, haina kugadzikana mumamiriro ezvinhu emamiriro ezvinhu uye pakupisa kwakanyanya, uko iyo polymer degrades. Nekuda kweizvozvo, POM inowanzobatanidzwa ne cyclic aungana senge ethylene oxide kana dipoxide kuti ichinje chimiro chemakemikari uye nekuvandudza kugadzikana.

Mhando dzakasiyana-siyana dzeMacjay Properties: Isina kusimbiswa, kukanganisa-kushandurwa-kwakashandurwa, kupfava-kupfava, mimhanzi yakazara-mineral, uye zvimwe. Cyclodial Simbi yakasimbiswa negirazi machira, carbon fils kana girazi inokanganisa simba rakakwirira kana kuomarara. Kusanganisa cyclosteel neRubber, TPU uye dzimwe polymers dzinoguma dzisingasanganiswa nesimba rakanyanya kukanganisa simba. Kuwedzera graphite, ptfe, mineral mafirita, etcc. inosimudzira kupfeka kurwisa uye kugadzirwa.

Pamusoro pezvo, nekuda kwehuwandu hukuru hwe okisijeni mumorekuru, zvakaoma kuendesa kudzokorora murazvo uye kune inoenderera mberi yekushandisa tembiricha ye -40 ° c kusvika 120 ° C.

Muenzaniso maGheya zvinosanganisira: Zvimiro zvemagetsi zvinopiswa. Zvikamu zvinosangana nemvura, kukwenenzvera-kwakasimba-gloss-gloss yakafumurwa zvikamu. Zvikamu zvakasiyana zvekudya, maindasitiri emvura uye anonwa mvura, pamwe nehunyanzvi hwekurapa.

Pom-h, pom-c

Kune maviri akasiyana ePOM, Acetal Homopolymer Pom-H uye Acetal Coplymer Pom-c. Ivo vane zvakafanana zvinokanganisa zvinhu.

Pom-h = acetal homopolymer, pom-c = acetal coplymer.

Acetal Homopolymer Pom-H uye Acetal Copolymer Pom-C Properties

POM-H inogadzirwa neAnonic Polymerization's yeFormerdehdehde, iyo yakarukwa zvakanaka, ichikonzera kushusha kwakakwirira nesimba; POM-H ndeye 10-15% yakasimba kupfuura pom-c.

Nekudaro, pom-c ine yakakwira makemikari kuramba uye yakadzika inonyungudika polling kupfuura pom-h. Zvakare, ine maitiro akanyanya akaenzaniswa ne pom-h. Semhedzisiro, pom-c yava iyo inonyanya kushandiswa mhando yePom, accounting ye 75% yehuwandu hwekutengesa kwakazara pom.

POM-H inonyatsokodzera kuti zvikumbiro zvinodaidzira zvinoda kurwisa uye chakaderera chekukakavara, uye pom-c yakanakira kuti zvikumbiro zvaida kuderera kwekupokana.

Kuti ipfupise, pom-h uye pom-c kuva nemusiyano unotevera.

Kuomesa uye kuomarara:

Pom-h: pom-h is stiffer.

Pom-c: pom-c haina kuomarara se pom-h.

Machokina:

POM-H: Yakadzika Machina.

Pom-c: yakakwirira michina.

Inonyungudika Pfungwa:

POM-H: Inonyungudutsa Pfungwa ye 172-184 ° C.

Pom-c: inonyungudutsa poindi yegumi nenomwe.

Modulus yeElasticity (MPa) (Mvura Yemvura ye 0.2% muTension):

Pom-h: modulus ye elasticity 4623.

Pom-c: modulus ye elasticity 3105.

Kushanda Kwakawanda:

Pom-H: Pom-H anokonzeresa kweanenge makumi maviri neshanu muzana ezvekutengesa kwakazara pom.

Pom-c: Pom-C inokoshi dzinosvika makumi manomwe neshanu muzana ezvekutengesa kwakazara kwePom.

Nzvimbo dzekushandisa:

Pom-h: fani, maGears, conveyor bet bhandi zvinongedzo, mabhandi chigaro.

Pom-c: Electric kettles, zvikamu zvine snap zvinokodzera, makemikari pumps, kiyi yefoni, nezvimwe.

FAQ:

Ndeupi musiyano uripo pakati pe pom uye pom-c?

Pom vs. pom-c: kunzwisisa misiyano muinjiniya ...

POM-C, zvakare inonziwo seAcetal Copolymer, inogadzirwa uchishandisa maitiro economerization. Nekusunura comonomer panguva yePolmerization, zvinyorwa zvekuratidzira zvakawedzera kuomarara, zvinokanganisa kuramba, uye kuramba kwemakemikari zviri nani zvichienzaniswa nepombi.

Ndeupi musiyano uripo pakati pePom Copolymer uye homopolymer?

PoldaCetal (POM) | Nguva yekusarudza Homopolymer kana Copolymer?

Nekuda kweiyo yakakwira crystallinity, homopolymer ine yakakwira kupisa kupisa tembiricha asi eCopolymer mamakisi ane yakakwirira inoenderera ichishandisa tembiricha nekuda kwekutadza kwenguva refu.

Ndeupi musiyano uripo pakati peacetal uye pom-c?

Mukuenzanisa neacetal homopolymer, pom-c inopa kudzikiswa kupokana nemakemikari uye anopa kuderera kwekukakavara, asi hazvina kuderera pane pom-h uye saka hazvina kupfeka zvakaoma. Acetal Coplymer zvakare ine yakaderera yekushandisa tembiricha uye yekunyungudza pfungwa kupfuura acetal homopolymer.

Ndeupi musiyano uripo pakati pe delrin uye pom c?

Delrin ane kuomarara kwe86 pamhenderekedzo d ivo vaPom vaCopolymers vane kuomarara kwe85 Shore D. Naizvozvo, Delrin ichave inodzivirira nekukanganisa uye abrasion. Zvakare, ichave ine yakaderera coefficient yekukakavara. Naizvozvo, zvichakwanisa kutsvedza pamusoro pezvimwe zvikamu zviri nyore.

Ndeipi plastiki yakasimba kupfuura delrin?

Delrin vs nylon: kuenzanisa maviri epurasitiki epurasitiki epurasitiki ...

Nepo midziyo yese yakasimba uye ichisimba, nylon ine yakakwira simba rePSIS gumi nemaviri pane delrin ine 10,000 PSI. Nekudaro, zvese zvinogadzirwa zvinoenderana uye zvine simba rakanyanya uye kupfeka kurwisa.

Ndezvipi zvinhu zviri nani pane delrin?

Nylon ndiyo yakanakisa yekushanda nayo kana iwe uri kutarisa kuti ushandise kugona kwekudhinda 3D kudhinda, uye kunogona kushandiswawo mumamiriro ekunze ekupisa kupfuura Delrin.