441147
聚苯乙烯
average Mw ~350,000, average Mn ~170,000
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PS
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关于此项目
线性分子式:
[CH2CH(C6H5)]n
化学文摘社编号:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
产品名称
聚苯乙烯, average Mw ~350,000, average Mn ~170,000
SMILES string
c1(ccccc1)C=C
InChI
1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
InChI key
PPBRXRYQALVLMV-UHFFFAOYSA-N
form
pellets
melt index
2.0-4.0 g/10 min (200°C/5kg)
mol wt
average Mn ~170,000
average Mw ~350,000
impact strength
21 J/m (Izod, ASTM D 256, 23 °C, notched)
impurities
≤5% mineral oil
transition temp
Tg 95 °C
density
1.04 g/mL at 25 °C
elongation
ASTM D 638 - 1.5% (at break)
Quality Level
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Application
挤出成型的发泡包装、餐具、瓶子和玩具。注塑成型的包装容器、玩具和一次性餐具。
Features and Benefits
坚硬透明、中等强度的聚合物，无生物活性，具有良好的尺寸稳定性。易受外界（紫外线）影响而降解。
存储类别
11 - Combustible Solids
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.
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