445746
Poly(methyl methacrylate)
average Mw ~350,000 by GPC
Synonym(s):
PMMA, Poly(methacrylic acid methyl ester)
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About This Item
Linear Formula:
[CH2C(CH3)(CO2CH3)]n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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form
powder
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
PMMA (avg. Mol wt. ~350,000 g mol-1) containing Fe2O3 and TiO2 fillers have possible uses as flame retardants.
Pigment-wetting binder for coatings.
Features and Benefits
Contributes hardness, weather resistance, light fastness and resistance to chemicals.
Storage Class Code
11 - Combustible Solids
WGK
nwg
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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