Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 199, No. 1056 (Oct. 7, 1949), pp. 39-55 (17 pages) The effect upon degradation of cross-links, formed by ...
Other common plastics they found were polystyrene, polyvinyl chloride and polymethyl methacrylate -- all used in various industrial processes. However, the seven plastic types the researchers searched ...
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