5.4. °¡±³ °áÇÕ ¹ÝÀÀ (Crosslinking Reactions)

 

 

(1). Polyols

 

       3°³ ÀÌ»óÀÇ È÷µå·Ï½Ã±â¸¦ Æ÷ÇÔÇÏ´Â Æú¸®¿Ã »ç¿ë

(2). Polyisocyanates

 

        3°³ ÀÌ»óÀÇ ¾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ® ±â¸¦ Æ÷ÇÔÇÏ´Â Æú¸®¾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ® »ç¿ë

(3). Excess diisocyanates

 

       (a) reaction with urethane group (allophanate)

            ¾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ®¿Í urethane °úÀÇ ¹ÝÀÀ ÂüÁ¶ (5.3.2. - (1))

       (b) reaction with substituted ureas (biuret)

            ¾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ®¿Í urea ¿ÍÀÇ ¹ÝÀÀ ÂüÁ¶ (5.3.2. - (4))

 

 

 

 

 

 

 

 

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