Purasitiki yePolystyrene (PS)
* PS plastic - polystyrene. Imhando yemapurasitiki anosanganisira styrene group iri mu macromolecule chain, mhando huru dzinosanganisira general polystyrene (GPPS), high impact polystyrene (HIPS), expandable polystyrene (EPS) uye metallocene polystyrene (SPS) nezvimwewo. Hunhu hwayo hahuna ruvara, hahunhuwi uye hahuna kunaka.
* Zvigadzirwa zvepurasitiki zvePS zvakagadzirwa
Polystyrene ipurasitiki isina ruvara uye inoonekera, polystyrene resin ipolymer isina ruvara, iyo polystyrene yakawedzerwa inozivikanwa seStyrofoam. Ine tembiricha yekuchinja kwegirazi inodarika 100 degrees Celsius, saka inowanzoshandiswa kugadzira midziyo yakasiyana-siyana inoraswa inoda kutsungirira tembiricha yemvura iri kufashaira, senge mabhokisi estyrofoam.
Chii chaunogona kugadzira nePS Plastic?
PS ine kujeka kwakanaka (chiyero chekutumirwa kwechiedza che88% -92%) uye kupenya kwepamusoro, kuri nyore kudhayiwa, kuomarara kwakanyanya, kuomarara kwakanaka, pamusoro pezvo, ine kusimba kwemvura kwakanaka, kusimba kwemakemikari uye kushanda kwekufamba kwemvura. Zvakashata zvikuru ndeizvi: kupfava, simba shoma rekukanganisa, kupwanyika kuri nyore, kusimba kwekupisa kwakaderera.
PS ndiyo mutengo wakaderera wekugadzira mapurasitiki, unoshandiswa zvakanyanya muzvigadzirwa zvinoraswa. Inoshandiswa zvakanyanya muzvigadzirwa zvinoraswa, zvakaita semidziyo yekudya inoraswa, uye zvekushandisa pakunyora nezvimwe zvinodiwa zuva nezuva.
Izvi zvinotevera zvimwe zvezvinoshandiswa pakushandisa Polystyrene (PS)
- Midziyo yekudyira inoraswa
- Zvishandiso zvemagetsi
- Goko rezvikamu zvemagetsi
- Kurongedza
- Matoyi evana
- Mudziyo weKurongedza
- Chifukidziro cherambi
- Mabhokisi
- Zvishandiso zvekuvaka
- Zvigadzirwa zvevatengi
- Fenicha yemubindu
- Midziyo yekudzidza
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Hunhu hwePolystyrene (PS)
* Zvichienderana nerudzi rwePS inogona kuverengerwa se "thermoplastic" kana "thermoset". Zita racho rine chekuita nemaitiro anoita purasitiki pakupisa. Zvinhu zveThermoplastic zvinova mvura yakazara panguva yekunyunguduka kwadzo (210-249 degrees Celsius kana iri Polystyrene), asi zvinotanga kuyerera panzvimbo yazvo yekuchinja girazi (100 degress Celsius yePS).
* Chinhu chikuru chinobatsira nezve thermoplastics ndechekuti dzinogona kupiswa kusvika pakunyunguduka, dzotonhodzwa, dzodziiswazve pasina kuora zvakanyanya. Panzvimbo pekupisa, thermoplastics dzinonyunguduka, izvo zvinoita kuti dzikwanise kuumbwa zviri nyore uye dzozodzokororwazve. Kusiyana neizvi, mapurasitiki ethermoset haazonyungudutswi kana angoiswa muchimiro chakasimba.
Zvinhu zvePS zvinogadzirwa sei?
Polystyrene (PS) inogadzirwa nenzira dzekugadzira (polymerization) dzakadai se propriety polymerization, suspension polymerization, emulsion polymerization, ionic polymerization nezvimwewo. Kushandiswa kwemaindasitiri kunowedzera body polymerization uye suspension polymerization. Iye zvino kugadzirwa kwema PS series resins mumaindasitiri kunogadzirwa nenzira ye continuous polymerization.
Iyo PS resin inogadzirwa ne polymerization ine kujeka kwakanaka uye hunhu hwemagetsi, asi kune huwandu hwekupararira kwemamorekuru hakuna kufanana, nepo polymerization yekumisikidzwa nekuda kwekupisa kuri nyore kudzora, kupisa kwekuita kuri nyore kuparadzira, kugadzirwa kwePS resin kune kugoverwa kwakafanana kwemamorekuru, hunhu hwekushanda kwakazara, asi chigadzirwa chichasiya huwandu hushoma hwekupararira muchigadzirwa, nezvimwewo.
Kudzokorodza mapurasitiki ePolystyrene (PS) uye kuchengetedzwa kwezvakatipoteredza
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