Pịstịị Polystyrene (PS)
* PS plastik - polystyrene. Ọ bụ otu plastik gụnyere otu styrene na agbụ macromolecular, ụdị ndị bụ isi gụnyere general polystyrene (GPPS), high impact polystyrene (HIPS), expandable polystyrene (EPS) na metallocene polystyrene (SPS) na ndị ọzọ. Àgwà ya enweghị agba, enweghị isi na enweghị ụtọ.
* Ngwaahịa plastik PS ahaziri ahazi
Polystyrene bụ thermoplastic na-enweghị agba na nke doro anya, resin polystyrene nke a na-ejikarị eme ihe bụ amorphous polymer, nke a na-akpọkarị polystyrene gbasaa Styrofoam. O nwere okpomọkụ mgbanwe iko karịa ogo Celsius 100, yabụ a na-ejikarị ya eme ọtụtụ ihe eji eme ihe nke kwesịrị iguzogide okpomọkụ nke mmiri ọkụ, dịka igbe styrofoam.
Kedu ihe ị nwere ike iji PS Plastic mee?
PS nwere ezigbo nghọta (ọnụego nnyefe ìhè nke 88% -92%) na ihe na-egbuke egbuke n'elu, ọ dị mfe ịcha agba, ike siri ike dị elu, ezigbo nkwụsi ike, na mgbakwunye, enwere ezigbo iguzogide mmiri, iguzogide kemịkalụ na arụmọrụ nhazi usoro. Ihe ọghọm ya bụ: gbawara agbawa, ike mmetụta dị ala, mgbawa dị mfe iji, enweghị ike iguzogide okpomọkụ.
PS bụ ebe kacha nta a na-ere plastik, nke a na-ejikarị eme ihe n'ihe ndị a na-atụfu. A na-ejikarị ya eme ihe n'ihe ndị a na-atụfu, dịka ihe ndị a na-atụfu n'elu tebụl, ihe ndị a na-etinye n'ime akwụkwọ na ihe ndị ọzọ dị mkpa kwa ụbọchị.
Ngwa ndị a bụ ụfọdụ maka Polystyrene (PS)
- Tebụl ndị a na-atụfu
- Ngwa eletrọniki
- Akụkụ eletriki shei
- Nkwakọ ngwaahịa
- Ihe egwuregwu ụmụaka
- Akpa Nkwakọ ngwaahịa
- Ndò oriọna
- Igbe
- Ihe owuwu ụlọ
- Ngwaahịa ndị ahịa
- Ngwongwo ubi
- Ngwa mmụta
0102
Njirimara Polystyrene (PS)
* Dabere n'ụdị PS, enwere ike kewaa ya dị ka ihe "thermoplastic" ma ọ bụ ihe "thermoset". Aha ya metụtara ụzọ plastik si azaghachi okpomọkụ. Ihe ndị dị na thermoplastic na-aghọ mmiri mmiri zuru oke n'ebe ha na-agbaze (210-249 degrees Celsius ma ọ bụrụ na e jiri Polystyrene mee ihe), mana ha na-amalite ịgbagharị n'ebe ha na-agbanwe iko (100 degress Celsius maka PS).
* Otu ihe bara uru gbasara thermoplastics bụ na enwere ike ikpo ha ọkụ ruo mgbe ha ga-agbaze, jụọ oyi, ma kpoo ha ọzọ n'enweghị mmebi dị ukwuu. Kama ịgba ha ọkụ, thermoplastics na-agbaze mmiri mmiri, nke na-eme ka ha dị mfe ịkpụzi ma mechaa megharịa ha. Plastik Thermoset, n'aka nke ọzọ, agaghị agbaze mmiri mmiri ozugbo ha "dị" n'ụdị siri ike.
Kedu otu esi eme ihe PS?
A na-akwadebe polystyrene (PS) site na usoro mmepụta (polymerization) dịka polymerization propriety, suspension polymerization, emulsion polymerization, ionic polymerization na ndị ọzọ. Ngwa ụlọ ọrụ bụ polymerization ahụ na suspension polymerization. Ugbu a, mmepụta ụlọ ọrụ nke PS usoro resins na-aga n'ihu na-emepụta.
Resin PS nke polymerization mepụtara nwere ezigbo nghọta na ikike eletriki, mana enwere nkesa oke molekul dị iche iche abụghị otu, ebe polymerization nkwụsịtụ n'ihi okpomọkụ dị mfe ijikwa, okpomọkụ mmeghachi omume dị mfe ịgbasa, mmepụta nke resin PS nwere nkesa nha nha molekul, njirimara nke arụmọrụ zuru oke, mana ngwaahịa ahụ ga-ahapụ obere mgbasa na ngwaahịa ahụ, wdg.
Imegharị plastik nke polystyrene (PS) na nchekwa gburugburu ebe obibi
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