Polycarbonate Granules

Polycarbonate (PC) granules are widely recognized for their versatility in scientific and industrial applications, particularly in optoelectronics, environmental monitoring, and biomedical fields. In optoelectronics, the unique optical clarity and toughness of polycarbonate make it an ideal matrix for embedding fluorescent metal nanoclusters, enabling potential uses in data storage and light-emitting devices. Additionally, polycarbonate granules like these have been used in environmental studies to clarify their interaction with ecosystems, where findings suggest that both new and aged polycarbonate can influence plant germination and growth rates, offering insights into microplastic pollution. In biomedical research, polycarbonate’s biocompatibility and structural integrity support applications in medical devices and tissue engineering scaffolds. These diverse capabilities position these polycarbonate granules as a material of choice for researchers and innovators across disciplines.

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Properties

Reference & Citations

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Material Properties for Polymers

Physical Properties

Element	Value
Abbe number	34
Flammability	V0-V2
Radiation resistance	Fair
Refractive index	1.584-6
Resistance to Ultra-violet	Fair
Limiting oxygen index( % )	25-27
Water absorption - equilibrium( % )	0.35
Water absorption - over 24 hours( % )	0.1
Density( gcm⁻³ )	1.2

Chemical Resistance

Element	Value
Acids - concentrated	Good
Acids - dilute	Good
Alcohols	Good
Alkalis	Good-Poor
Aromatic hydrocarbons	Poor
Greases and Oils	Good-Fair
Halogenated Hydrocarbons	Good-Poor
Halogens	Poor
Ketones	Poor

Mechanical Properties

Element	Value
Coefficient of friction	0.31
Hardness - Rockwell	M70
Poisson's ratio	0.37
Elongation at break( % )	100-150
Tensile modulus( GPa )	2.3-2.4
Izod impact strength( J m⁻¹ )	600-850
Abrasive resistance - ASTM D1044( mg/1000 cycles )	Oct-15
Tensile strength( MPa )	55-75

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.9
Dissipation factor @ 1MHz	0.01
Dielectric strength( kV mm⁻¹ )	15-67
Surface resistivity( Ohm/sq )	10¹⁵
Volume resistivity( Ohmcm )	10¹⁴-10¹⁶

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	140
Heat-deflection temperature - 1.8MPa( C )	128-138
Lower working temperature( C )	-135
Upper working temperature( C )	115-130
Specific heat( J K⁻¹ kg⁻¹ )	1200
Thermal conductivity( W m⁻¹ K⁻¹ )	0.19-0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	66-70