英汉例句

• study was made of the influence of flee -nco contained in the sealant prepared with polyurethane prepolymer as its principal constituent on the sealant properties.

  研究了以聚氨酯预聚体为主要组分制成的密封剂中游离—nco含量对其性能影响。

• the title aqueous acrylate modified polyurethane dispersion has been prepared with acrylate and aqueous polyurethane prepolymer that is blocked with hydroxyethyl methacrylate.

  用甲基丙烯酸羟乙酯封端的水性聚氨酯预聚体与丙烯酸酯发生聚合，制备丙烯酸酯改性水性聚氨酯分散体。

• modification was performed by grafting polyurethane prepolymer via condensation polymerization on the surfaces of attapulgite.

  采用缩合聚合法对凹凸棒石进行表面接枝聚氨酯预聚体改性。

• the article gave a minute description of operational method and skill in measuring trace free tdi in polyurethane prepolymer by gas chromatography.

  详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离tdi的操作方法和技巧。

• an epoxy-acrylic resin was prepared at the presence of an active catalyst at ambient temperature, then mixed with castor oil polyurethane prepolymer to obtain an ipn polymer coating.

  采用一种新型活性催化剂，在常温下制备环氧—丙烯酸酯，再与蓖麻油聚氨酯预聚体制成互穿网络涂料。

• a high solid elastic polyurethane prepolymer has been prepared based on mdi, papi, hdi, ipdi and polyester polyols and polyether polyols.

  采用mdi、papi、hdi、ipdi等不同的异氰酸酯和聚酯多元醇、聚醚多元醇等反应，制备高固体分的聚氨酯弹性体预聚物。

• the structure of nco-teminated polyurethane prepolymer and spu was characterized by ftir and gpc. results showed that silane coupler was successfully grafted to the end of polyurethane prepolymer.

  利用红外光谱（ftir）和凝胶色谱（gpc）表征了pu和spu预聚体的结构和分子量，证明了硅烷偶联剂成功地接枝于pu预聚体的端基上。

• the polyurethane prepolymer clear coatings based on papi and castor oil was prepared. it is a sort of moisture curable one-component polyurethane coatings, which has protection function.

  由多异氰酸酯papi与蓖麻油反应制得预聚体清漆，它是一种湿固化型聚氨酯防腐涂料。

• a theoretical model for the reaction kinetic of the urethane and branching reaction of polyurethane prepolymer is proposed. the proper preparation technology is finalized.

  提出了一种测试聚醚腈型聚氨酯预聚体合成中氨酯化反应和支化反应的反应动力学参数的理论模型，确定了合适的制备工艺。

• a polyurethane matrix nanocomposite has been successfully fabricated using a commercial grade polyurethane prepolymer and organoclay powders, with the aid of a solvent and supersonic treatment.

  本文利用商业级的聚氨酯预聚体和有机粘土成功制备了聚氨酯基粘土纳米复合材料。

• the acrylate-modified waterborne polyurethane dispersion was prepared through reaction of acrylate and polyurethane prepolymer with reactive groups.

  本文利用丙烯酸酯与带有活性官能团的聚氨酯预聚体反应，生成了水分散的丙烯酸酯改性聚氨酯分散体。

• content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent, n-dibutylamine - toluene solution as reaction liquid and ethyl acetate as thinner.

  对水性聚氨酯预聚体中异氰酸酯基团的容量测定进行了研究。