polyester polyol
聚酯多元醇：一种用于生产聚氨酯的化学原料
常用释义
英式发音
美式发音
基本释义
- 聚酯多元醇：一种用于生产聚氨酯的化学原料，通常与异氰酸酯反应生成聚氨酯。
例句
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1·Polyester polyol ACTS as an organic catalyst in this reaction as well as in some other chemical reactions.催化剂聚酯作为一个有机催化这种反应，以及在其他一些化学反应。
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2·Polyurethane elastomers with low hardness and solvent resistance were prepared by reacting MDI-50, TDI-65 and TDI - 80 with polyester polyol respectively.分别采用MDI - 50、TDI - 65和TDI - 80与聚酯多元醇反应制得低硬度耐溶剂聚氨酯弹性体制品。
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3·The high temperature nitrogen dehydration method is to synthesize the certain molecular weight polyester polyol under the protection of nitrogen at high temperature.高温氮气脱水法是在氮气保护下，高温合成聚酯多元醇。
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4·The polyurethane glue stock used for making draft roll was investigated by using self made chain extender and modifier. The varieties and molecular weight of polyester polyol were selected.采用自制扩链剂与改性剂，通过对聚合多元醇的品种与分子量的选择，研制出了适合纺织牵伸辊用的聚氨酯胶料。
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5·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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6·The room temperature curing polyurethane-polystyrene blends were synthesized with a synthesized unsaturated polyester-polyol by chemical blending method.合成了不饱和聚酯多元醇，进而采用化学共混法合成了室温固化的聚氨酯聚苯乙烯共混物。
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7·A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.在催化剂、链支化剂存在下多元酸和多元醇直接熔融酯化、常压缩聚合成饱和羟基聚酯。