COPNA

常见例句

• Results showed that the mechanical properties of the composites from COPNA resins fr.
  以四种不同的油浆为原料,在酸性催化剂存在下,与对苯二甲醇反应,得到四种COPNA树脂。
• The results show that coal tar pitch and terephthalic aldehyde can be used to synthesize COPNA resin.
  结果表明,煤沥青能够与对苯二甲醛合成COPNA树脂,其反应机理为酸催化下的阳离子型缩聚反应;
• There exist many micro fibers with a uniform distribution in the COPNA resin.The fibers grow with increase of modification time, and then intertwist and amalgamate.
  COPNA树脂的合成中出现很多微纤，随交联聚合程度的加深，微纤相互缠结并融合；
• Furthermore, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) are employed to study curing reaction and thermo-stability of COPNA resin.
  采用差示扫描量热法 (DSC)和热解重量分析法 (TGA)研究 COPNA树脂固化反应及热稳定性。
• Mesophase microbead was used to analyze the growth of COPNA resin with SEM during reaction, and the thermostability of COPNA resin was analyzed with TGA.
  采用扫描电镜(SEM)对反应过程中生成的中间相小球的尺寸变化分析COPNA树脂的生成情况;采用热重(TGA)研究COPNA树脂的热稳定性。
• Four different condensed polynuclear aromatic (COPNA) resins were obtained by reacting different heavy residue oils with 1,4-benzenedimethanol and p-toluenesulfonic acid.
  摘要以四种不同的油浆为原料，在酸性催化剂存在下，与对苯二甲醇反应，得到四种COPNA树脂。
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