Titlebook: Low density cellular plastics; Physical basis of be N. C. Hilyard (Honorary Research Fellow),A. Cunnin Book 1994 Springer Science+Business

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Polyurethane flexible foam formation,lding and extrusion, or by pouring in place, these materials are either open or closed cell, or somewhere between the two. In open cell foams the gas cells are interconnected, while in a closed cell foam each cell is totally enclosed by thin plastic walls [1–4].

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,Physical behaviour of polymeric foams — an overview,Over the last decade, the markets for low-density cellular plastics increased considerably, the major product sectors being domestic, automotive, aerospace and industrial. Applications include comfort cushioning, thermal insulation and energy management systems.

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