PTMEG, Polytetrahydrofuran, also called poly(tetramethylene ether) glycol or poly(tetramethylene oxide), is a linear diols with formula (C4H8O)nH2O. It can be viewed as a polymer of tetrahydrofuran, or as the polyether derived from 1,4-butanediol. The product is commercially available as polymers of low average molecular weights, between 250 and 3000 daltons. In this form it is […]
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Polycarbonate is an extremely strong amorph thermoplastic polymer with high impact resistance, high temperature resistance and excellent optical properties, owing to its high transparency.
Due to these properties and the polymer’s shatterproof nature, it is used as a substitute for glass in many instances.
Polycarbonate is a better choice for impact resistance and strength in general.
Polycarbonate (PC) can be processed by extrusion, injection or extrusion blow molding.
The main polycarbonate material is produced by the reaction of bisphenol A (BPA) and phosgene COCl
Tetrabromobisphenol A is used to enhance fire resistance.
A greener alternative way of production to polycarbonates entails transesterification from BPA and diphenyl carbonate:
The diphenyl carbonate was derived in part from carbon monoxide.
Polycarbonate’s strength and clarity make it an ideal choice for applications in lighting, glazing and protection. It is often used for the production of diffusers, lenses, lighting and luminaires. It is regularly used in both profile and sheet form.
Polycarbonate (PC) is a technical plastic material with exceptional shock properties. It is mainly used in the field of lighting and in certain elements of buildings, such as the roof.
It has been widely used for several years for the manufacture of transparent seats in bright colors.
Extruded polycarbonate is often used to provide protection for walls, electrical cabinets, refrigerators and display cabinets. It can be easily coloured and its high gloss appearance is attractive.
Excellent light transmission is a feature of extruded polycarbonate, which lends itself perfectly to lighting applications and, for years, clear, reeded and frosted polycarbonate extrusions have been produced for use with fluorescent lighting.
For lighting in public places or in specific sectors, such as aerospace, some grades of extruded polycarbonate are available with higher levels of flame resistance.
Arpadis is one of the largest chemical distributor in Europe.
Arpadis is handling the storage, transport, export & import formalities of clear polycarbonate sheets (PC) and granular globally.