polyamide ü Ŵ պ ް ִ ̴. ̱ Solutia chapter 11 , DuPont PA ڻ Koch industries μǾ, BASF caprolactam Honeywell (ռ ؼ ) ڻ ȯϿ, Honeywell ī Shaw , Rhodia Ŵ 簳 Ͽ, Radici ߱ Nylstar պ ִ.
polyamide 迭( öƽ) 2005 3.0% Ͽ 2006 3.5% ̴. ̷ , ߱ 䰡 ū Ͱ, ڵ PA öƽ ȯ ǰ ִ. ٸ κ PA öƽ HPPA(hing-performance PA plastics) PA ʸ 10% ϰ ִ.
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