| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyol component containing a large amount of low cost, low monool polyoxypropylene polyol, and useful for manufacturing a polyurethane elastomer having excellent processability and physical properties.SOLUTION: A polyol composition having a number average molecular weight of about 1,000 to about 3,000 Da contains (1) at least 60 wt.% of low monool polyoxypropylene polyol having the number average molecular weight of about 2,000 to 12,000 Da and a degree of unsaturation of 0.02 meq/g or less, and (2) 40 wt.% or less of polyol having the number average molecular weight of about 400 to about 1,000 Da and polydispersity of more than 1.1. |
