SREENIVASAN, K2017-03-102017-03-101993B32 ,1;125-12910.1080/00222349308215475https://dspace.sctimst.ac.in/handle/123456789/9533Polymer ScienceCROSS-LINKING EFFECT OF HARD SEGMENT DOMAINS ON THE DIFFUSION OF LIPIDS THROUGH POLYURETHANES BASED ON H12MDI