1. OIT Test
»êÈ­À¯µµ½Ã°£ (Oxidative Induction Time - OIT)ÀÇ ÃøÁ¤Àº Polyolefine °è °íºÐÀÚ (ƯÈ÷ Polyethylene)ÀÇ Long-Term Stability¿Í °ü·ÃµÈ Áß¿äÇÑ Á¤º¸¸¦ Á¦°øÇϸç, ÀÌ·¯ÇÑ OIT ½ÇÇè °á°ú¸¦ ¹ÙÅÁÀ¸·Î Á¦Ç°ÀÇ ÀÀ¿ë¹üÀ§ ¹× °¢ ¿ëµµº° »ç¿ë°¡´É ¿©ºÎ¸¦ ÆÇ´ÜÇÑ´Ù.

OIT Test´Â ¼¼°èÀûÀ¸·Î Åë¿ëµÇ´Â ¡®Polyolefine »êÈ­¾ÈÁ¤¼º ½ÇÇè¹ý¡¯ (ASTM D3895 and DIN EN728)À̸ç, ½ÃÂ÷Áֻ翭·®°è (Differential Scanning Calorimeter)¸¦ Ȱ¿ëÇÏ¿© È¿°úÀûÀ¸·Î ¼öÇàÇÒ ¼ö ÀÖ´Ù.

2. DSC
½ÃÂ÷Áֻ翭·®°è´Â ¹°ÁúÀÇ ÀüÀÌ Çö»ó°ú °ü·ÃµÈ ¿Âµµ¿Í ¿­È帧 (Heat Flow)À» ½Ã°£°ú ¿ÂµµÀÇ ÇÔ¼ö·Î ÃøÁ¤ÇÏ´Â ±â±â·Î Polyolefine °è °íºÐÀÚÀÇ ¿­/»êÈ­ ¾ÈÁ¤¼º¿¡ ´ëÇÑ Á¤È®ÇÑ Á¤º¸¿Í ¾Æ¿ï·¯ ´ÙÀ½°ú °°ÀÌ Àç·á¿¡ ´ëÇÑ ÀϹÝÀûÀÎ Á¤º¸¸¦ Á¦°øÇÑ´Ù.

- Melting points
- Heats of melting
- Percent Crystallinities
- Glass transition temperatures (Tg)
- Crystallization times and temperatures
- Thermo-oxidative stabilities
- Processing conditions
- Thermal histories
- Effect of recyclates
- Effectiveness of antioxidantant agents
- Quality assurance

3. PolyethyleneÀÇ °³¿ä
Ethylene (¶Ç´Â Ethene) ´Ü·®Ã¼ÀÇ ÁßÇÕÀ¸·Î Á¦Á¶µÇ´Â PolyethyleneÀÇ ±¸Á¶

ÁßÇÕ ¹æ¹ý¿¡ µû¸¥ PE (Polyethylene)ÀÇ ºÐ·ù
- HDPE (High Density PE)
- MDPE (Medium Density PE)
- LDPE (Low Density PE)
- LLDPE (Linear Low Density PE)