1960 ۵ Ƿ ð οϴ ÿ Ͽ ?迡 ϰ ִ ũ WP(water proof) ð ϴ Ͱ 췹ź ̿ PU, PUP õ ǽ ñ ü ù ַ ϰ ִ. 1980 ʿ ߵDZ ռ θ ǰ , 1990 ߹ݺʹ ǰ ģ ǽ ǰ̳ ؼ w/o Ÿ 췹ź ̿ ǽĴٰ ǰ ǰ ִ.
̿ ǽ, MEK(ƿƿ), Toluene, D.M.F(ƿƹ̵), IPA(̼ ڿ) ٷ Կ ۾ ȯ , , ȭ 輺, Ư ܷǴ ɰ εǰ ִ Ȳ̴.ڷḦ ÷Ϸ øϴ.
: KTDI-DYETEC, ӿ, jsm@dyetec.or.kr
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