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445746

Sigma-Aldrich

Poly(methyl methacrylate)

average Mw ~350,000 by GPC

Synonym(s):
PMMA, Poly(methacrylic acid methyl ester)
Linear Formula:
[CH2C(CH3)(CO2CH3)]n
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

autoignition temp.

580 °F

mol wt

average Mw ~350,000 by GPC

reduced viscosity

150-160 cm3/g(20 °C)(lit.)

acid number

<1 mg KOH/g

transition temp

Tg (DSC) 105 °C (midpoint)

solubility

alcohols and aliphatic hydrocarbons: insoluble
esters, ketones, aromatics and glycol ethers: soluble

density

1.17 g/mL at 25 °C

InChI

1S/C5H9O2/c1-4(2)5(6)7-3/h1-3H3

InChI key

PMAMJWJDBDSDHV-UHFFFAOYSA-N

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General description

The thermal degradation behaviour of PMMA ( avg Mol. wt. ~350,000 g mol-1)was investigated in inert atmosphere, four weight loss steps were observed.

Application

Pigment-wetting binder for coatings.
PMMA (avg. Mol wt. ~350,000 g mol-1) containing Fe2O3 and TiO2 fillers have possible uses as flame retardants.

Packaging

25, 500 g in poly bottle
1 kg in poly bottle

Features and Benefits

Contributes hardness, weather resistance, light fastness and resistance to chemicals.

Storage Class Code

11 - Combustible Solids

WGK Germany

nwg

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Influence of TiO2 and Fe2O3 fillers on the thermal properties of poly (methyl methacrylate)(PMMA).
Laachachi A.,et al.
Material Matters, 59(1), 36-39 (2005)
Thermal degradation of poly (methyl methacrylate)(PMMA): modelling of DTG and TG curves.
Ferriol M., et al.
Polymer Degradation and Stability, 79(2), 271-281 (2003)
S A Bini et al.
The bone & joint journal, 95-B(3), 367-370 (2013-03-02)
We evaluated the impact of pre-coating the tibial component with polymethylmethacrylate (PMMA) on implant survival in a cohort of 16 548 primary NexGen total knee replacements (TKRs) in 14 113 patients. In 13 835 TKRs a pre-coated tray was used...
José F Alfonso et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(4), 266-272 (2013-04-06)
To assess the visual and refractive outcomes of implantation of intrastromal corneal ring segments (ICRS) in keratoconic eyes with no coincident topographic and comatic axes. Forty-one keratoconic eyes of 39 patients with no coincident topographic and comatic axes were implanted...
Right ventricular perforation and pulmonary embolism with polymethylmethacrylate cement after percutaneous kyphoplasty.
Igor Gosev et al.
Circulation, 127(11), 1251-1253 (2013-03-20)

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