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Merck
CN

739553

Poly(styrene-block-methyl methacrylate)

average Mn 32,000, block ratio of 2:1

Synonym(s):

PS-PMMA, block copolymer, Poly(b-methyl methacrylate-polystyrene), PS-block-PMMA, PS-PMMA

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About This Item

CAS Number:
UNSPSC Code:
12162002
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InChI key

ADFPJHOAARPYLP-UHFFFAOYSA-N

InChI

1S/C8H8.C5H8O2/c1-2-8-6-4-3-5-7-8;1-4(2)5(6)7-3/h2-7H,1H2;1H2,2-3H3

form

solid

mol wt

average Mn 10,000 (PMMA), average Mn 22,000 (polystyrene), average Mn 32,000

transition temp

Tm 351-356 °C

Mw/Mn

<1.2

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General description

22 kDa PS; 10 kDa PMMA; m ~200; n ~100

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Novel fabrication of 2D and 3D inverted opals and their application.
Jae Ah Lee et al.
Small (Weinheim an der Bergstrasse, Germany), 7(18), 2581-2586 (2011-08-03)
F N K Kwong et al.
The Journal of bone and joint surgery. British volume, 88(1), 120-122 (2005-12-21)
The outcome of a cemented hip arthroplasty is partly dependent on the type of cement which is used. The production of an interface gap between the stem and the cement mantle as a result of shrinkage of the cement, may
M H Geiger et al.
Clinical orthopaedics and related research, (382)(382), 258-266 (2001-01-12)
This controlled study compared the strength and porosity of 48 polymethylmethacrylate cement-implant constructs prepared with open bowl versus vacuum mix technique. Forty-eight blast finished stainless steel rods of 13 mm diameter were implanted with centralizers into 17-mm inner diameter tubes
N Greene et al.
American journal of orthopedics (Belle Mead, N.J.), 27(3), 201-205 (1998-04-17)
In vitro studies of antibiotic elution from polymethylmethacrylate cement comparing Simplex (Howmedica, Rutherford, NJ) with Palacos brands (Richards, Memphis, TN) have shown variable results. This study compares the elution of tobramycin and vancomycin from Simplex and Palacos beads and spacers.
S J Breusch et al.
Acta orthopaedica Scandinavica, 72(1), 29-35 (2001-05-01)
In a cadaver study, we prepared 29 paired human cadaver femora using 3 different broaches of identical geometry but different surface characteristics. In one group of 20 pairs, preparation with chipped-toothed broaches was compared to diamond-shaped broaches; in the other

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