专利名称：POLYURETHANE
发明人：ROLF KUBENS,KLAUS PRATER申请号：AU3380784申请日：19841003公开号：AU3380784A公开日：19850502
摘要：A process wherein organic polyisocyanates are reacted with polyester-polyols,if desired in the presence of the assistants and additives which are conventional inpolyurethane chemistry, where the polyester-polyols used are ester group-containingreaction products, having a hydroxyl number in the range from 150 to 710, an acidnumber in the range from 0 to 20 and a viscosity at 25 DEG C in the range from 100 to6000 mPa.s, of phthalic acid and/or phthalic anhydride with alkanediols or alkanediolmixtures optionally containing ether groups and having a hydroxyl number in the rangefrom 400 to 1810.
申请人：BAYER A.G.
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