| 摘要 |
Disclosed are blends comprising branched poly(trimethylene ether)polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl)ethane and 1,1,1-tris(hydroxymethyl)propane. The blends are useful in the preparation of polyurethane rigid and flexible foams.
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