Abstract
AbstractPolymers find widespread use in present‐day audio and video equipment. Their applications can be divided into: (i) polymers used for the outside of the equipment, (ii) polymers used for mounting, encapsulation or passivation of electronic devices, (iii) polymers for other stationary or moving parts, (iv) polymers used for audio and video data storage, and (v) photosensitive polymers that play a temporary role in the structuring of fine details.In this paper, attention is focussed on transparent polymers (“optical plastics”) that are employed in projection television (PTV) and optical disc systems. First, the principles of these systems and the polymer properties they require are summarized, after which the polymers and technologies used in these applications are described. These polymers can be divided into two categories: (i) UV‐curable coatings on a substrate of a different nature, and (ii) transparent thermoplastics and thermosets.Finally, some shortcomings of the currently available materials are mentioned.
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