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25037-45-0

Name POLY(BISPHENOL A CARBONATE)
CAS 25037-45-0
Molecular Formula C31H32O7
MDL Number MFCD00084476
Molecular Weight 290.32
MOL File 25037-45-0.mol
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Chemical Properties

Melting point  220~230℃
density  1.2 g/mL at 25 °C(lit.)
refractive index  n20/D 1.586
solubility  chlorinated solvents: soluble
form  neat
color  clear
Dielectric constant 2.9（Ambient）
Uses
Polycarbonates are plastics widely used in modern industry having good temperature and impact resistance. This plastic is particularly good to work with more conventional definition techniques (injection molding, extrusion into tubes or cylinders and thermoforming). It is also used when optical transparency is needed, having more than 80% transmission up to the 1560-nm range (short wave infrared range). It has moderated chemical resistance properties, being chemically resistant to diluted acids and alcohols. It is poorly resistant against ketones, halogens, and concentrated acids. The major disadvantage associated with polycarbonates is the low glass transition temperature (Tg> 40°C), but it is still largely used as low-cost material in microfluidic systems and also as a sacrificial layer.
EPA Substance Registry System Carbonic acid, polymer with 4,4'-(1-methylethylidene)bis[phenol] (25037-45-0)

Safety Data

WGK Germany  3

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