专利名称：Method for the preparation of polyether
polyols based on aromatic di- and/orpolyamines and their use in polyurethaneand polyisocyanate synthetic materials
发明人：DIETRICH, MANFRED, DR.,KAUFUNG,
REINHARD, DR. C/O SUMITOMO BAYER
申请号：EP89115151.6申请日：19890817公开号：EP0356814B1公开日：19941117
摘要：the present invention relates to improved basic polyetherpolyole an oh numberof 300 to 630, preferably 400 to 560, based on 2,4 - and \\/ or 2,6 - toluylen\diaminor their mixtures with o - toluylendiamin, diphenyl\methandi and \\/ or polyaminesand \\/ or methyldiphenylmethan\di - u nd \\/ or polyamines.
申请人：BAYER AG,BAYER AG,BAYER AG
地址：DE
国籍：DE
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