Rondedzera muchidimbu zvimiro uye mashandisirwo ePP mapurasitiki

Taura newe pamusoro pezvinhu zvikuru uye kushandiswa kwepolypropylene (PP).

Chokutanga pane zvose, chii chinonzi polypropylene?Polypropylene yakapfupikiswa se "PP".Iyo thermoplastic resin ine nguva dzose inogadziriswa uye yakakwiriraELECTRIC THERMAL ACTUATOR(crystallinity yakakwira se95%) polymerized kubva kupropylene.Inogona kukamurwa kuita PP jekiseni kuumba, PP waya kudhirowa, PP faibha, PP firimu, PP pombi.Pakati pemapurasitiki anowanzoshandiswa muhupenyu, polypropylene ndeimwe yemhando dzakareruka.

Pazasi pane zvinhu zve polypropylene:
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1. Zvimiro zvemuviri: kwete-chepfu, isina kunhuhwirira, isina kunaka, mukaka chena uye yakakwirira crystalline density chete 0.9-0.91g / cm3, kugadzikana kwakanaka kumvura.

2. Thermal performance: Iine kunaka kwekudzivirira kupisa, uye zvigadzirwa zvayo zvinogona kuomeswa patembiricha inopfuura 100 ° C, uye haizoregi pa150 ° C pasina simba rekunze.The embrittlement tembiricha iri -35 °C, uye embrittlement kunoitika pazasi -35 °C, uye kutonhora kuramba haina kunaka se polyethylene.

3. Kugadzikana kwemakemikari: Kugadzikana kwemakemikari kwakanaka kwazvo.Pamusoro pekusvibiswa neconcentrated sulfuric acid uye concentrated nitric acid, inogadzikana kune mamwe makemikari reagents, asi yakaderera molecular weight aliphatic hydrocarbons, anonhuwirira hydrocarbons uye chlorinated hydrocarbons inogona kuita iyo polymer Propylene kupfava uye kuzvimba, uye kugadzikana kwayo kwemakemikari kunowedzera kuwedzera kwekristallinity, saka polypropylene yakakodzera kugadzira mapaipi emakemikari akasiyana-siyana uye mafittings, uye ine yakanaka anti-corrosion effect.

4. Mamiriro emagetsi: Iine high dielectric coefficient, uye nekukwira kwekushisa, inogona kushandiswa kugadzira zvigadzirwa zvemagetsi zvinopisa.Iyo inewo yakakwirira yekuparara kwemagetsi uye yakakodzera kushandiswa semagetsi emagetsi, nezvimwewo. Iine kupikisa kwakanaka kune voltage uye arc, asi ine high static magetsi, uye zviri nyore kukwegura kana inosangana nemhangura.

Polypropylene inoshandiswa zvakanyanya mumidziyo yemumba uye pombi dzepurasitiki.Midziyo yemumba yakakurumidza kukura mumakore achangopfuura, ine mhando dzakawanda uye yakakura kubuda.Naizvozvo, mumakore mashoma anotevera, kuvandudzwa kwePP yakakosha zvinhu zvemidziyo yemumba ichawedzerwa kuti isangane nekuchinja kuri kuda kwemusika.

Muna 2003, nyika yose yakabuda yemapombi epurasitiki yakapfuura mamiriyoni 1.8 matani, gore negore kuwedzera kwe23%.Mumazuva ekutanga, mapaipi ePP ainyanya kushandiswa sepombi dzemvura dzekurima, asi musika wakatadza kuvhurika nekuda kwemamwe matambudziko mukuita kwezvigadzirwa zvekutanga (simba rekuita uye kushomeka kwekuchembera).Asi nekuunzwa kwehunyanzvi, musika wave kuzivikanwa zvishoma nezvishoma.Mapombi epurasitiki ndechimwe chezvigadzirwa zvakakosha zvekusimudzira nekushandiswa kwemakemikari ekuvaka munyika yangu.Bazi Rekuvaka rakapa "Chiziviso cheKusimbaradza Kugadzira Management uye Kusimudzira uye Kushandiswa kweCopolymerized Polypropylene (PP-R, PP-B) Mapaipi" muna 2001, inoda madhipatimendi akakodzera Shanda pamwe chete kuita basa rakanaka kubva kune zvigadzirwa, kugadzirisa, hunhu hwekushandisa pombi uye kuisirwa, uye kunyatso kudzora kunaka kwePP pombi, kuitira kuti ndiite zvirinani kuita basa rakanaka mukugadzira, kushandisa uye kukwidziridzwa kwePP mapaipi munyika yangu.

Nekuvandudzwa kwemararamiro evanhu, inzira yakanaka yekusimudzira kuvandudza zvinhu zvakajeka zvePP, kunyanya PP yakakosha zvinhu zvine kujeka kwepamusoro, kuyerera kwakanaka, uye nekukasira kuumbwa kunodiwa kugadzira nekugadzirisa muzvinhu zvinofarirwa nevanhu zvePP.Transparent PP inonyanya hunhu kupfuura yakajairwa PP, PVC, PET, PS, uye ine zvakawanda zvakanaka uye tarisiro yebudiriro.Parizvino, pane mukaha wakakura pakati pemidziyo yePP inoonekera uye nyika dzekunze, uye kugadzirwa nekushandiswa kwePP resin uye zvigadzirwa zvayo zvichiri kuda kusimbiswa.

Mukuwedzera, polypropylene inoshandiswawo mukutambanudza PP firimu uye zvichingodaro.


Nguva yekutumira: Sep-24-2022