产品名称
聚苯乙烯, average Mw ~192,000
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
beads or pellets
melt index
6.0-9.0 g/10 min (200°C/5kg)
mol wt
average Mw ~192,000
refractive index
n20/D 1.59
transition temp
softening point 107 °C (Vicat, ASTM D 1525)
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。
General description
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。
Physical form
热塑性的无定形聚合物。
Features and Benefits
- Medium molecular weight (~192,000 Mw) balancing excellent mechanical strength and processability, making it suitable for varied applications.
- Beads or pellets form allows for easy handling, processing, and uniform melting in manufacturing processes.
- Melt index of 6.0–9.0 g/10 min (200°C/5kg) provides good flow characteristics, enabling efficient molding and extrusion.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Matthew G Petroff et al.
Langmuir : the ACS journal of surfaces and colloids, 35(14), 4976-4985 (2019-03-21)
We report direct measurements of ionic strength-dependent interactions between different molecular weights of zwitterionic triblock copolymers adsorbed to hydrophobic colloids and surfaces. The zwitterionic copolymers investigated include phosphorylcholine [poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC)] and sulfopropylbetaine [poly(3-( N-2-methacryloyloxyethyl- N, N-dimethyl)ammonatopropanesulfonate) (PMAPS)] end blocks
Marta Kocun et al.
ACS nano, 11(10), 10097-10105 (2017-09-28)
Tapping mode atomic force microscopy (AFM), also known as amplitude modulated (AM) or AC mode, is a proven, reliable, and gentle imaging mode with widespread applications. Over the several decades that tapping mode has been in use, quantification of tip-sample
Liang Zhang et al.
Journal of colloid and interface science, 353(2), 557-561 (2010-10-30)
Reported are adsorption isotherms for guar and hydroxypropyl guar (HPG), with and without the presence of borate ions, onto surfactant free anionic polystyrene latex. Guar and HPG formed adsorbed monolayers on the hydrophobic latex. The presence of borate ions converted
Harikrishnan Narayanan Unni et al.
Electrophoresis, 30(5), 732-741 (2009-03-05)
This study reports a theoretical and experimental study on the irreversible deposition of colloidal particles from electrokinetic microfluidic flow. The electrokinetic particle transport model presented in this study is based on the stochastic Langevin equation, incorporating the electrical, hydrodynamic, Derjaguin-Landau-Verwey-Overbeek
Katherine Sarlo et al.
Toxicology, 263(2-3), 117-126 (2009-07-21)
Understanding tissue distribution and clearance of nanomaterials following different routes of exposure is needed for risk assessment. F344 female rats received single or multiple exposures to 20 nm, 100 nm or 1000 nm latex fluorospheres by intravenous (i.v.) injection or
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