polyether的例句大全

Increase of Content of Primary Hydroxyl Groups of Polyether Polyols with Low Unsaturation

低不饱和度聚醚多元醇伯羟基含量的提高

The Measurement of the Ratio of Primary Hydroxyl Group to Second Hydroxyl Group in Polyether Polyol by Near Infrared Spectrum

近红外光谱法检测聚醚多元醇伯羟基与仲羟基的相对含量

With VPO, NMR, IR, the number average molecular of polyether and sulfonation degree of sulfonated polyether were characterized.

通过VPO，NMR，IR测试了聚醚预聚体的分子量，磺酸聚醚的磺化度。

Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate ( TDI) and DEG as main base meterial, LDA and APP as flame retardants.

以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料，以联二脲（LDA）、聚磷酸铵（APP）作为阻燃剂，制作了聚醚聚氨酯弹性体。

effects of the coagulation bath concentration change on polyether sulfone membrane quality

凝固浴的质量分数对聚醚砜（PES）超滤膜微结构和性能的影响

the effects of the content of polyether, the thickness of the hydrogels, and the ionic radius and valence of the inorganic salt additives on the light-adjusting properties of the hydrogels were discussed in detail.

详细讨论了聚醚含量、水凝胶厚度、无机盐离子及离子半径对水凝胶调光性能的影响。

by selecting or synthesising polyether polyol, and changing rigid foam formulations, the application of benzoic acid anhydride polyester polyols in polyurethane rigid foam is introduced in this paper.

通过选择或合成聚醚多元醇，调整聚氨酯泡沫配方，介绍了苯酐聚酯多元醇在聚氨酯硬泡中的应用。

pur polyether kind of the sheath control cable, water resistance, oil resistance, resistance to abrasion, ripstop.

PUR聚醚类外护套控制电缆，抗水解，耐油，耐磨，抗撕裂。

Synthesis and Characterization of Polyether Ether Ketone Ketone/ Polyether Ketone Ether Ketone Ketone Copolymers with Pendant Cyano Groups

含氰侧基的聚醚醚酮酮-聚醚酮醚酮酮共聚物的合成与表征

Synthesis and Ionic Conductivity of Model Graft Polyether Network Electrolyte

模型接枝聚醚网络快离子导体的制备及导电性研究

Polyurethane foam is a type of foam materials with isocyanate and polyether ( or polyester) polyol as principal components, processed via special foaming technics, which possesses the excellent properties of light weight, heat insulation, sound absorption and shockproof etc.

聚氨酯泡沫塑料是以异氰酸酯和聚醚（或聚酯）多元醇为主要成份，经特殊发泡工艺制作而成的泡沫材料，具有质量轻、隔热、吸音、防震等优良性能。

By analysis the data of impact properties, tensile strength, flexural strength and glass transition temperature, polyether polyols structure and esterification degree of phosphate ester has been systematic studied.

论文通过冲击性能、拉伸强度、弯曲强度以及玻璃化转变温度分析，系统研究了聚醚多元醇分子量、结构和酯化度等对增韧改性的影响。

The activation energy and rate constant of the allylation reaction was calculated in virtue of kinetic study. The kinetics study indicated that the allylation reaction of polyether was second order and its reaction mechanism was SN2 nucleophilic substitution.

进行了动力学研究，获得了反应活化能和各反应温度下的反应速率常数，同时研究结果表明烯丙基化反应级数为2，反应机理为SN2亲核取代反应。

A study of the catalyzed acylation method for determining the hydroxyl content of polyether

催化酰化法测定聚醚羟值的研究

Acylation Methods of Determining the Hydroxyl Value of Polyether

浅谈酰化法测定聚醚多元醇羟值

Determination of the Relative Molecular Mass and It's Distribution of Polyether Polyols

聚醚多元醇相对分子质量及其分布的测定

polyether polyols are oligomers alkyl side, the main chain of the alkyl ether bond by the link.

聚醚多元醇是端烃基的齐聚物，主链上的烃基由醚键连结。

the property and synthesization of polyether sulfones material are studied and its application in automobile industry is summarized.

对聚醚砜材料的性能及合成进行了研究，并对其在汽车领域的使用进行了归纳。

property of polyether sulfones material and its application in automobile

聚醚砜材料的性能及其在汽车上的应用

the repeating units include a polyether repeating unit, an acrylic acid-type repeating unit and a maleic acid-type repeating unit.

所述重复单元包括聚醚重复单元、丙烯酸类重复单元和马来酸类重复单元。