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MANUFACTURE OF POLYETHER POLYOL AND ITS USE IN MANUFACTURE OF HARD POLYURETHANE FOAM
MANUFACTURE OF POLYETHER POLYOL AND ITS USE IN MANUFACTURE OF HARD POLYURETHANE FOAM
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机译:聚氨酯多元醇的制备及其在硬质聚氨酯泡沫塑料中的应用
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摘要
Polyether polyols are made by alkoxylating a mixture which is from 20-80 weight % sucrose and 80-20 weight % formitol. The product polyether polyols have an average hydroxyl functionality of at least 3 and a hydroxyl number of from 28 to 1000. These polyether polyols are particularly useful for the production of rigid polyurethane foams.
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