öƽ̶ Ҽ(ʦ; plasticity) ٴ ǹ κ Ǿ.
, ϰų ֹ Ӱ ¸ ٲ ִ. öƽ ϸ ٲ ִ. ðϸ, Ǿ ǰ ȴ. ̰ Ҽ öƽ̶ Ѵ.
߿, ϸ ε巯 ǰ · ٲ , ϴ ȿ ٶ öƽ ⼭ ŵ((ʭ)) , ܴ ִ. ð ǰ ٽ ϸ ε巯 ʴ´. ̰ ȭ öƽ̶ Ѵ.
̰ ȭ .
öƽ źҸ ߽ ·· ν, ϸ ε巯 Ӱ ٲ ִ ȭչ ̴. ȭչ ũ⸦ Ÿ ؼ Ҹ 1, źҸ 12, Ҹ 16 ϴ ڷ ̿Ѵ.
öƽ ź··· Ǿ ִ ȭչ ʸ Ѵ. ߿ öƽ ̷ ڷ ũ, ʸ Ǵ ̻ Ǿ ִ. Ϲ ڷ 1 ̻ ȭչ̶ ϰ ִ.
(ڷ̶ , ϸ ڷ ʸ̶ , ƿ(polyethylene) 쿡 źҿ Ҹ Ͽ 1 10. ڷ 1̶ ƿ(polyethylene) 2000 ȴ ·, ڰ յǾ ִ ̴.)
ȭչ ·öƽ· ִ. ڰ ķ 迭 ν, Ư ؼ ڸ ƴ ִ. ̿ ŵ ִµ (̰ ϰ, õ Ȳ Ͽ ϰ 긴 ), Ͽ ÷ȴٰ ٽ · ư ִ.
öƽ ߰ ִ.
<۱ڨ 'öƽ̾' - .>
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