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430102

Sigma-Aldrich

Polystyrene

average Mw ~192,000

Sinónimos:

PS

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About This Item

Fórmula lineal:
[CH2CH(C6H5)]n
Número de CAS:
9003-53-6
MDL number:
MFCD00084450
UNSPSC Code:
12162002
PubChem Substance ID:
24866910
NACRES:
NA.23

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)

InChI

1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

InChI key

PPBRXRYQALVLMV-UHFFFAOYSA-N

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General description

Hard, clear moderately strong polymer, biologically inert, good dimensional stability. Susceptible to exterior (UV) degradation.

Application

Extrusion molded foamed packaging, dinnerware, bottles and toys. Injection molded packaging containers, toys and disposable cutlery.

Physical form

Thermoplastic amorphous polymer.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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
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
Iván A Hinojosa et al.
Marine pollution bulletin, 58(3), 341-350 (2009-01-07)
Floating marine debris (FMD) is reported from all oceans. The bulk of FMD are plastics, which due to their longevity cause multiple negative impacts on wildlife and environment. Identifying the origins of FMD (land- or sea-based) is important to take
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