https://4medchem.cn/custom-synthesis/ 2025-07-15T13:37:50+00:00 weekly 0.2 https://4medchem.cn/biodegradable-synthetic-polymers-focus-on-polyurethanes-with-isocyanates-and-lactides/ 2025-07-15T13:37:46+00:00 weekly 0.2 https://4medchem.cn/comparing-hexamethylene-diisocyanate-hdi-lysine-dissocyanate-ldi-and-butanediisocyanate-bdi/ 2025-07-15T13:37:42+00:00 weekly 0.2 https://4medchem.cn/hfip/ 2025-08-19T11:54:44+00:00 weekly 0.2 https://4medchem.cn/waterborne-polyurethane-synthesized-for-leather-with-excellent-wear-and-hydrolysis-resistance-enabled-by-bio-based-polytrimethylene-carbonate-and-l-lysine-diisocyanate/ 2025-08-19T12:10:20+00:00 weekly 0.2 https://4medchem.cn/polyisocyanates-monomeric-and-polymeric-degradation-products/ 2025-07-15T13:37:33+00:00 weekly 0.2