182230
Poly(methyl methacrylate)
Synonym(s):
PMMA, Poly(methacrylic acid methyl ester)
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About This Item
Linear Formula:
[CH2C(CH3)(CO2CH3)]n
CAS Number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
autoignition temp.
580 °F
Quality Level
impurities
may contain ≤2.0% toluene
refractive index
n20/D 1.49
inherent viscosity
0.20 dL/g(lit.)
transition temp
Tg (DSC) 105 °C (midpoint)
solubility
H2O: insoluble
density
1.188 g/mL at 25 °C
InChI
1S/C5H9O2/c1-4(2)5(6)7-3/h1-3H3
InChI key
PMAMJWJDBDSDHV-UHFFFAOYSA-N
General description
Poly (methyl methacrylate) (PMMA) is an amorphous transparent thermoplastic polymer. PMMA is recognized as an optical polymer based on its refractive index of 1.49. Hence, it is used in optical fibers.It finds uses in biological applications because of its lower water absorption capability and biocompatible.The maximum moisture content of PMMA is 1.71% and SBF absorption is 1.96%.Simulated Body fluid test (SBF) is a method to characterize the in vitro bioactivity of ceramic materials, by immersing the materials in an aqueous SBF solution.
Application
PMMA/HA (Hydroxyapatite) composites have been used in biomedical applications such as dentistry, orthopedic retainers, and bone replacement. It is used as substrate for graphene growth.
Some studies report its use in
PMMA-titania hybrid optical thins films
PMMA/polystryrene/clay nanocomposites
PMMA/polyurethane/carbon black nanocomposites for methanol fuel cells
Some studies report its use in
PMMA-titania hybrid optical thins films
PMMA/polystryrene/clay nanocomposites
PMMA/polyurethane/carbon black nanocomposites for methanol fuel cells
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Storage Class
11 - Combustible Solids
wgk
WGK 2
ppe
Eyeshields, Gloves, type N95 (US)
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Christian J F Bertens et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 150, 120-130 (2020-03-17)
Eye drops and ointments are the most prescribed methods for ocular drug delivery. However, due to low drug bioavailability, rapid drug elimination, and low patient compliance there is a need for improved ophthalmic drug delivery systems. This study provides insights
Synthesis of Ethylene Glycol Dimethacrylate-Methyl Methacrylate Copolymers, Determination of their Reactivity Ratios, and a Study of Dopant and Temperature Effects on their Conductivities
Ramelow US and Pingili S
Polymer, 2(3), 265-285 (2010)
Poly (methyl methacrylate) and polystyrene/clay nanocomposites prepared by in-situ polymerization.
Zeng C and Lee LJ
Macromolecules, 34(12), 4098-4103 (2001)