Properties improvement of general plastics is one of the important research fields of polymer materials science and engineering at present and in the coming long period of times.

通用塑料高性能化是当前及今后较长一段时间内高分子材料科学与工程领域的重要的研究课题。

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He subsequently became vice president of worldwide marketing product management for GE Appliances in 1991, vice president and general manager of GE Plastics Americas commercial division in 1992, and vice president and general manager of GE Plastics Americas in 1993.

FORBES: Jeffrey Immelt

In general, the molecular designs of these plastics improve a product's flame resistance or its structural integrity under heat.

FORBES: Safer And Guilt-Free Nano Foods

Metals and plastics are sorted from the general waste and sold on, but the firm said the market for this type of material had "dropped substantially".

BBC: Tayside and Central Scotland