Polystyrene
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Cite "Polystyrene"
Polystyrene. (n.d.). In Compound. Retrieved from /th/compound/polystyrene/
"Polystyrene." Compound, /th/compound/polystyrene/.
@misc{polystyrene, title={Polystyrene}, url={/th/compound/polystyrene/}}
IUPAC: Poly(1-phenylethylene)
CAS: 9003-53-6
ภาพรวม
Polystyrene is a versatile plastic that can be rigid or foamed. Expanded polystyrene (Styrofoam) is 95-98% air, giving it excellent insulating properties. Despite its utility, it is one of the most problematic plastics for the environment due to its non-biodegradability.
องค์ประกอบ
การใช้งาน
- • Styrofoam packaging and insulation
- • Disposable cups and food containers
- • Laboratory Petri dishes
- • Model making
ข้อเท็จจริงที่น่าสนใจ
- ✦ Styrofoam is a brand name by Dow Chemical; the generic term is expanded polystyrene (EPS)
ความปลอดภัย
- ⚠ Not biodegradable
- ⚠ Major environmental pollutant
- ⚠ Styrene monomer is possibly carcinogenic
คุณสมบัติ
- ประเภท
- polymer
- สถานะ
- solid
- มวลโมลาร์
- 104.15 g/mol
- ความหนาแน่น
- 1.0500 g/cm³
- จุดหลอมเหลว
- 240.0 °C
- การละลาย
- insoluble