rosin polyester polyol
松香芳烃聚酯多元醇
polyester polyol based on dimer fatty acid
二聚酸聚酯二元醇
The acid number of polyester imides polyol is a critical value for qualified polyurethane.
聚酯亚胺多元醇酸值是聚氨酯得一个重要指标。
Waterborne polyurethaneurea prepared with dimer fatty acid based polyester polyol as soft segment
以二聚脂肪酸聚酯二元醇为软段合成水性聚氨酯脲
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