3. Æú¸®¿ì·¹ÅºÀÇ
¿ø·á (Chemical System of PU)
|
|
PU´Â Å©°Ô ´ÙÀ½ A. B, C ÀÇ ¼¼ ±×·ìÀÇ ¼ººÐÀ¸·Î ÀÌ·ç¾îÁö´Âµ¥, ÀÌ ¼ººÐµéÀÇ Á¾·ù¿Í ¹èÇÕºñ¿¡ µû¶ó¼ ´Ù¾çÇÑ Á¾·ùÀÇ PU°¡ ¸¸µé¾îÁý´Ï´Ù.
°¢°¢ÀÇ ÇØ´ç Ç׿¡¼ Á» ´õ ÀÚ¼¼ÇÑ ³»¿ëÀ» »ìÆì º¼ ¼ö ÀÖ½À´Ï´Ù.
A. ¾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ® 1) ´ÙÀ̾ÆÀ̼һçÀ̾Ƴ×ÀÌÆ® (diisocyanates) 2) polymeric isocyanates
1). ´ÙÀ̿ðú Æú¸®¿Ã (Diols & Polyols) 2). Chain extenders 3). Crosslinker 4). Water
C. ±âŸ ÷°¡Á¦ (non-reactive components) 1). Ã˸Š(Catalysts) 2). °è¸éÈ°¼ºÁ¦ (Surfactants) 3). ÃæÀüÁ¦ (Fillers) 4). ¹ßÆ÷Á¦ (Blowing agents) 5). ±âŸ ÷°¡Á¦ (Miscellaneous additives)
|