Poly(vinyl chloride) (PVC) is the polymer of choice in a wide variety of applications on account of its comparatively low cost, high chemical resistance, good mechanical properties and electrical insulating capabilities. The even wider application of the material has been restricted by its low thermal and photolytic stability. This paper reviews the various light degradation and stabilization mechanisms that have been postulated recently for PVC. The importance of the thermal stabilizer system to the photostabilization of the material is also stressed. Finally the market opportunity for a cost effective UV stabilizer system for rigid PVC is discussed emphasizing the versatility that such a product would give to the vinyl siding manufacturer.
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W. J. Reid (1979) studied this question.
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