Polycarbonates
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Contents on the CD Rom

• Polycarbonates are a particular group of thermoplastic polymers.
• They are easily worked, moulded, and thermoformed; as such, these plastics are very widely used in the modern chemical industry.
• Polycarbonates got their name because they are polymers having functional groups linked together by carbonate groups  in a long molecular chain.
• Polycarbonate may be appealing to manufacturers and purchasers of food storage containers due to its clarity and toughness, being described as lightweight and highly break resistant particularly when compared to silica glass.
• Polycarbonate may be seen in the form of single use and refillable plastic water bottles.
• Their interesting features  position them between commodity plastics and engineering plastics.
• Polycarbonate has a glass transition temperature of about 150 C, so it softens gradually above this point and flows above about 300 C.
• Injection moulding is more difficult than other common thermoplastics owing to its non-Newtonian fluid flow behaviour.
• Tools must be held at high temperatures, generally above 80 C to make strain- and stress-free products.
• Low molecular mass grades are easier to mould than higher grades, but their strength is lower as a result.
• The toughest grades have the highest molecular mass, but are much more difficult to process.
• The report mainly analysizes the output, production capacity and price of PC and the down-stream demand for PC, and foretells the development trend of the PC market.
• Polycarbonate demand is projected to advance 5.2 percent annually 1.4 billion pounds, valued at $2.5 billion.
• Opportunities in motor vehicle and electrical and electronic markets will continue to drive growth, while potential use in automotive glazing could create new opportunities.
• A technique was developed to study microcolony formation by silicone-immobilized bacteria on polycarbonate membrane filters under anaerobic conditions.
• Vickers microhardness indentation technique has been employed to detect the photoplastic effect in the transparent polycarbonate specimens in darkness and under mercury illumination.
• Newly developed polycarbonate copolymer technology offers the potential to fill performance gaps, such as improving UV resistance.
• Polycarbonate is becoming more common in house wares as well as laboratories and in industry, especially in applications where any of its main features—high impact resistance, temperature resistance, optical properties—are required.
• Injection molding into ready articles, extrusion into tubes, rods and other profiles, extrusion with cylinders into sheets and films, which can be used directly or manufactured into other shapes using thermoforming or secondary fabrication techniques.

• Polycarbonate
• Polycarbonates
• Re - Discover Polycarbonate
• Polycarbonate technical Information
• Why is polystyrene brittle and polycarbonate tough and what can we do about it.
• What Is Polycarbonate

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