575771
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution
12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)
Synonym(s):
Pyre-M.L.® RK-692, Polyamic acid
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About This Item
Linear Formula:
(C12H12N2O .C10H2O6)x
NACRES:
NA.23
UNSPSC Code:
12162002
form
viscous liquid
Quality Segment
concentration
12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)
refractive index
n20/D 1.5052
solubility
H2O: miscible
density
1.03 g/mL at 25 °C (relative)
storage temp.
−20°C
General description
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution (PAA) converts to polyimide at 300oC. The FTIR spectra indicates a carbonyl stretch of carboxylic acids in PAA at 1650 cm-1. Following the imidization process, the peak at 1720cm-1 grows, indicating the formation of imide group.
Application
It is used as a precursor for polyimide coatings.
It may also be used as a precursor for the preparation of carbon hollow fiber membranes.
It may also be used as a precursor for the preparation of carbon hollow fiber membranes.
Legal Information
Pyre-M.L. is a registered trademark of Industrial Summit Technologies Corp.
Disclaimer
Supply conditions do not apply to the regions and states of Brazil: North, Northeast, Mato Grosso do Sul, Mato Grosso, and Rio Grande do Sul.
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Danger
Hazard Classifications
Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Central nervous system,Liver,Kidney, Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
84.2 °F - closed cup
flash_point_c
29 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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