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182265

Sigma-Aldrich

Poly(methyl methacrylate)

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

form

solid

Quality Level

autoignition temp.

580 °F

transition temp

Tg (DSC) 105 °C (midpoint)

solubility

H2O: insoluble

density

1.200 g/cm3

InChI

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

InChI key

PMAMJWJDBDSDHV-UHFFFAOYSA-N

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Poly(methyl methacrylate)

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Poly(methyl methacrylate)

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Poly(methyl methacrylate) analytical standard, for GPC, 50,000

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445746

Poly(methyl methacrylate)

form

solid

form

-

form

-

form

powder

density

1.200 g/cm3

density

1.200 g/cm3

density

1.200 g/cm3

density

1.17 g/mL at 25 °C

autoignition temp.

580 °F

autoignition temp.

580 °F

autoignition temp.

580 °F

autoignition temp.

580 °F

solubility

H2O: insoluble

solubility

H2O: insoluble

solubility

H2O: insoluble

solubility

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

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 low 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 be used in biomedical applications such as dentistry, orthopedic retainers, and bone replacement. It has been used as substrate for graphene growth.
Some studies report its use as
PMMA-titania hybrid optical thins films
PMMA/polystryrene/clay nanocomposites
PMMA/polyurethane/carbon black nanocomposites for methanol fuel cells.

Storage Class

11 - Combustible Solids

wgk_germany

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Eyeshields, Gloves, type N95 (US)


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