... 二甲苯异构体：xylene isomers 二羟甲基丙酸：dimethylol propionic acid 二维振动磨削：two-dimensional vibration grinding ...
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2-dimethylol propionic acid fixed bed 二羟甲基丙醛
Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.
油与多元醇经醇解反应，进而与聚醚或聚酯、 二羟甲基丙酸、 二异氰酸酯反应制得水溶性氨酯油。
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