Purasitiki yePolypropylene (PP)
* Polypropylene ipurasitiki ye semicrystalline. Inodzivirira kupisa zvakanyanya, ine hunhu hwakasimba hwemakanika, uye inodzivirira organic solvents dzakasiyana-siyana uye acid-base corrosion.
* Kusabatwa nemakemikari kwakanaka. Magiredhi ekuchengetedza chikafu anowanikwa.
* Zvigadzirwa zvepurasitiki zvePP zvakagadzirwa kana zvikamu
Polypropylene, yakapfupikiswa sePP, ipolymer yakagadzirwa nepropylene kuburikidza ne polymerization reaction. Ichinhu chichena, chakaita sewakisi chine chitarisiko chakajeka, chakareruka. Chemical formula (C3H6)n, density 0.89 ~ 0.91g/cm3, inobvira, inonyunguduka ye164 ~ 170 ° C, yakapfava pa155 ° C kana zvakadaro, kushandiswa kwekupisa kwe -30 ~ 140 ° C.
Haina simba rekuora ne acid, alkali, munyu uye mhando dzakasiyana dze organic solvents dziri pasi pe 80℃, uye inogona kuora kana tembiricha yakakwira uye oxidation. Inoshandiswa mumhando dzakasiyana siyana, kusanganisira kurongedza kwevatengi, zvikamu zvepurasitiki zveindasitiri yemotokari uye machira.
Chii chaunogona kugadzira nePP Plastiki?
Polypropylene ndiyo purasitiki yakareruka zvikuru kana tichitarisa kuwanda kwayo. Chitarisiko chayo hachina ruvara uye chinopenya, uye sepurasitiki yemhando yepamusoro, inoshandiswa zvakanyanya mumapakeji ezvekudya, senge mabhokisi eStyrofoam, makapu epurasitiki ePP, nezvimwewo. Polypropylene inogona kukamurwa kuita zvikamu zvishanu zvikuru zvichienderana nemashandisirwo ayo makuru: PP injection molding, PP drawing, PP fiber, PP film, uye PP pipe.
Izvi zvinotevera zvimwe zvezvinoshandiswa paPolypropylene (pp)
- Zvishandiso zvekurapa
- Zvikamu zvemotokari
- Midziyo yezvekudya
- Kurongedza
- Zvishandiso zvemumba
- Mabhodhoro
- Zvipfeko
- chitoyi
- Zvivharo zvemabhodhoro
- Matayi ezvipfeko
- Zvigadzirwa zvakarukwa nepurasitiki
- Zvishandiso zvekuvaka
- Zvigadzirwa zvevatengi
- Fenicha yemubindu
- Midziyo midiki yemumba
Hunhu hwePolypropylene (PP)
Kusabatwa nemakemikari: Dururirai mabhesi nemaasidhi hazvisangani nePP, izvo zvinoita kuti ive mudziyo wakakodzera wezvinwiwa zvakadaro (semuenzaniso mishonga yekuchenesa, zvigadzirwa zvekubatsira kwekutanga, nezvimwewo).
Kusimba uye Kupfava: PP inopfava mukati memhando yakati yekuchinja uye inoshanduka purasitiki pakutanga kwekuchinja kwayo isina kuputika, saka inowanzoonekwa sechinhu "chakaoma".
Kuramba kuneta: PP inoramba iine chimiro chayo mushure mekukombama nekukombama kwakawanda. Hunhu uhwu hunonyanya kukosha pakugadzira mahinji anofambiswa.
Kudzivirira: Zvinhu zvePP zvine simba guru rekudzivirira magetsi uye zvinodzivirirawo kupisa.
Kutumira: Inogona kugadzirwa nemavara akajeka, asi inowanzogadzirwa nemavara asingaonekwe zvakasikwa ane mwero wakati wekutumira. Kana zvichidikanwa kutumirwa kwakanyanya, acrylic kana PC inofanira kusarudzwa.
Zvinhu zvePP zvinogadzirwa sei?
Kufanana nedzimwe mapurasitiki, Polypropylene (PP) inotanga se "chikamu" (boka rakareruka) kubva mukunyungudutswa kwemafuta ehydrocarbon uye inosangana nezvimwe zvinokonzeresa kugadzira mapurasitiki kuburikidza nepolymerization kana polycondensation reactions.
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Polypropylene (PP)– Maitiro ekugadzira:
Hupfu hwacho hunozoendeswa kumasilo ehupfu hwozoshandurwa kuita mapellet ane mhando dzakasiyana dze
zvinowedzerwa zvakapararira zvakanaka.
Kudzokorodza mapurasitiki ePolypropylene (PP) uye kuchengetedzwa kwezvakatipoteredza
Kana polypropylene ikadzokororwa, inoderedza kushandiswa kwezvinhu zvidiki zvakaita semafuta negasi repropane. Inenge 8% yemafuta epasi rose (anenge matani mamiriyoni mazana mana) inoshandiswa munzira dzechinyakare dzekugadzira mapurasitiki, ayo 4% anoshandiswa se "feedstock" uye imwe 4% inoshandiswa mukugadzira. Dai mapurasitiki aigadzirwa kubva mumapurasitiki akadzokororwa, kushandiswa kwesimba kwaizoderedzwawo ne88%. Saka, kudzokororwa kwemapurasitiki epolypropylene hakuna njodzi kune zvakatipoteredza!
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