その他の関連URL（海外）
- ACC(American Chemistry Council) PHOSGENE PANEL
- https://www.americanchemistry.com/industry-groups/phosgene
- ALIPA(European Aliphatic Isocyanates Producer Association)
- http://www.alipa.org/
- CPI(Center for the Polyurethane Industry)
- https://www.americanchemistry.com/industry-groups/center-for-the-polyurethanes-industry-cpi
- CPUIA(中国聚氨酯工业协会)
- http://www.pu.org.cn/
- ISOPA(European Diisocyanate & Polyol Producers Association）
- http://www.isopa.org/
- PU-INDIA（Indian Polyurethane Association）
- http://www.pu-india.org/
