Kini idi ti awọn idiyele ti PS ati awọn atupa PC ni ọja ti o yatọ? Loni, Emi yoo ṣafihan awọn abuda ti awọn ohun elo meji.
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1. Polystyrene (PS)
• Ohun-ini: Amorphous polima, Shrinkage lẹhin mimu ti o kere ju 0.6; iwuwo kekere jẹ ki abajade jẹ 20% si 30% tobi ju ohun elo gbogbogbo lọ
• Awọn anfani: iye owo kekere, sihin, dyeable, iwọn ti o wa titi, rigidity giga
• Awọn aila-nfani: pipin giga, ailagbara olomi ti ko dara, resistance otutu
Ohun elo: ohun elo ikọwe, awọn nkan isere, Awọn apoti ohun elo itanna, ohun elo tabili styrofoam
2. Polycarbonate (PC)
• Ohun-ini: Amorphous thermoplastics
• Awọn anfani: agbara giga ati modulus rirọ, agbara ipa giga, iwọn iwọn otutu ti n ṣiṣẹ, akoyawo giga ati awọ ọfẹ, HDT giga, resistance rirẹ ti o dara, resistance oju ojo ti o dara, awọn abuda Itanna ti o dara julọ, aibikita ati õrùn, laiseniyan si ara eniyan, ilera ati ailewu, kekere igbáti shrinkage ati ti o dara onisẹpo iduroṣinṣin
• Awọn alailanfani: Apẹrẹ ọja ti ko dara le fa awọn iṣoro wahala inu inu ni irọrun
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• Ohun elo:
√ Awọn ẹrọ itanna: CDs, awọn iyipada, awọn ile ohun elo ile, awọn ami-ifihan agbara, awọn tẹlifoonu
√ Ọkọ ayọkẹlẹ: bumpers, awọn igbimọ pinpin, gilasi aabo
√ Awọn ẹya ile-iṣẹ: awọn ara kamẹra, awọn ile ẹrọ, awọn ibori, awọn goggles omiwẹ, awọn lẹnsi aabo
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3. Awọn ipo miiran
• Gbigbọn ina ti PS jẹ 92%, lakoko ti PC jẹ 88%.
• PC toughness jẹ Elo dara ju PS, PS jẹ brittle ati ki o le wa ni awọn iṣọrọ fọ, nigba ti PC jẹ diẹ resilient.
• Awọn iwọn otutu abuku gbona ti PC de awọn iwọn 120, lakoko ti PS jẹ iwọn 85 nikan.
• Ṣiṣan omi ti awọn mejeeji tun yatọ pupọ. Omi-ara ti PS dara ju ti PC lọ. PS le lo awọn ẹnu-bode ojuami, lakoko ti PC nilo ipilẹ nla kan.
• Awọn owo ti awọn meji jẹ tun gan o yatọ. BayideedeAwọn idiyele PC diẹ sii ju yuan 20, lakoko ti PS n jẹ yuan 11 nikan.
Pilasitik PS tọka si ClassⅠplastic ti o pẹlu Styrene ninu ẹwọn Macromolecular, ati pẹlu Styrene ati Copolymers. O ti wa ni tiotuka ni aromatic hydrocarbons, Chlorinated hydrocarbons, Aliphatic Ketones ati esters, sugbon o le nikan wú ni acetone.
PC tun ni a npe ni Polycarbonate, abbreviated bi PC, ni a colorless, sihin, amorphous thermoplastic ohun elo. Orukọ naa wa lati inu ẹgbẹ CO3.
Mo nireti pe o le ṣe iranlọwọ fun awọn alabara ni oye idi ti iyatọ idiyele wa laarin PC ati PS. Mo tun nireti pe awọn alabara yoo jẹ ki oju wọn ṣii nigbati o yan awọn atupa, ma ṣe tan nipasẹ idiyele naa. Lẹhinna, o gba ohun ti o sanwo fun.
Liper gẹgẹbi olupese ina alamọdaju, a jẹ muna pupọ ni yiyan ohun elo, nitorinaa o le yan ati lo pẹlu igboiya.
Akoko ifiweranṣẹ: Oṣu Karun-31-2024