English Abstract

Social and Economical Analyses of Polymer Recycling on the Basis of Engineering Kunihiko TAKEDA Chubu University, Institute of Science and Technology Research, Kasugai, Aichi, Japan Nippon Gomu Kyokaishi,(2008),81(5),156-163 General Review in Japanese Abstract Polymer recycling has been widely accepted in Japanese society by the huge and wrong propaganda conducted by Japanese government and some engineers. However, the materials recycling without the recovery technology from the deterioration and the novel idea of the collection from individual home is in conflict with the knowledge of modern sciences that have been developing since 17th century. The results of the polymer recycling are analyzed mainly on the basis of separation, materials, and chemical engineering. The efficiency of the polymer recycling is worse comparing to the use of new oil products by several times. In particular, the poisonous materials will be accumulated in the recycled polymers because many poisons include in the modern industrial goods and no removal process in the current recycling system exists. The polymer recycling is one of the typical examples in which the free discussion in the society of natural sciences is defeated in the battle with politics and profiteers. Keywords: Polymer, Recycling, Environment, Separative Work Unit, Deterioration

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