多元醇,即分子中含有二个或二个以上羟基的醇类。其通式为CnH2n+2-x(OH)x(x≥3)。多元醇一般溶于水,大多数多元醇都具有沸点高,对极性物质溶解能力强,毒性和挥发性小等特性的黏性液体或结晶状固体。其沸点、黏度、相对密度和熔点等随分子量增加而增加。
... 多相稳态胶体悬浮体系polynomial gel suspension system 多元醇polyatomic alcohol 多元非线性回归multielement non-linesr regression ...
基于614个网页-相关网页
...多元醇 油酸 付里叶变换 核磁共振谱法 [gap=451]IC ANHYDRIDE,ALKYD RESINS,STRUCTURE CHARACTERISTICS,TURPENTINE,MALEIC ANHYDRIDE,POLYHYDRIC ALCOHOL,OLEIC ACID,FOURIER TRANSFORM,NMR SPECTROMETRY ...
基于506个网页-相关网页
聚醚多元醇 PPG ; polyether polyol ; PMPO
多元醇苯甲酸酯 DEDB ; Polyol Benzoate
多元醇酯 POE ; polyol ester ; HFDU
聚碳酸酯多元醇 PCDL ; polycarbonate polyol
聚酯多元醇 polyester polyol ; PEPA ; POLYOL ; Polyseter polyols
聚合物多元醇 POP ; Polypolyols ; polyol
多元醇类 Polyols ; Glycerin ; Mannitol
供应聚碳酸酯多元醇 PCDL
多元醇磷酸酯 Water quality stabilizer PAPE ; PAPE ; Polyhydric Alcohol Phosphate Ester
The structure of polyol was discussed in the thesis because of its importance.
多元醇的结构是本文讨论的—个重要方面。
参考来源 - 水性聚氨酯分散体的合成研究Polymer polyether polyol composites (PPOCs), which are stable dispersions of glassy polymers in polyether polyols, provide a feasible method for particle reinforcement of polyether materials.
聚合物聚醚多元醇(PPOC)是由微米级聚合物粒子在聚醚多元醇中原位形成的稳定粒子分散体,它为聚醚材料的粒子增强提供了方便的途径。
参考来源 - 聚合物聚醚多元醇的合成与应用研究It is found that the energy consumption and loss of product decrease evidently during the downstream separation of polyatomic alcohol while about 95% of organic salts in polyatomic alcohol solution are removed by ED process.
发现,采用电渗析法脱除约95%的有机酸盐后可以显著降低发酵法生产多元醇的后处理能耗及产品损失,具有工业可行性。
参考来源 - 电渗析法脱除多元醇溶液中有机酸盐工艺的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
研究结果为工业规模分离多元醇提供了理论依据。
The result of the paper provide a basis for the industrial scale separation of polyols.
考察了多元醇种类及配比、异氰酸酯指数等因素对材料性能的影响。
Influence of type and ratio of polyol, and NCO index on the properties of the adhesives were discussed.
他们说,但是一些替代品或是多元醇例如木糖醇和山梨糖醇会减少蛀牙。
They said a group of substitutes of sugar alcohols or polyols including xylitol and sorbitol can reduce the risk of cavities.
应用推荐