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precursor polymers
相关语句
  先驱体聚合物
     The precursor polymers which were prepared by means of thermal rearrangement reaction of Polyvinylchloride(PVC) and Polydimethysilane(PDMS) were melt spun and cured in air.
     采用聚二甲基硅烷 (PDMS)与不同比例的聚氯乙烯 (PVC)共裂解合成制备富碳Si C O纤维先驱体聚合物 . 经熔融纺丝制成聚合物原丝。
短句来源
     Precursor polymers to manufacture Si C O fibers are prepared by thermal rearrangement reaction of Polyvinylchloride(PVC) and Polydimethylsilane.
     采用将聚二甲基硅烷与聚氯乙烯共裂解合成制备了Si—C—O纤维先驱体聚合物 ,并对其进行了表征。
短句来源
     The precursor polymers are characterized by element analysis and IR. Test results show that the copolymer —(SiCH 3H—CH 2) n —(CHCH) m — is obtained when high PVC content is added to reactive system.
     表明反应体系中聚氯乙烯含量较高时 ,生成的先驱体聚合物既有聚碳硅烷的结构特征 ,又具有CHCH共轭结构特征的— (SiCH3H—CH2 ) n— (CHCH) m—共聚物。
短句来源
     The precursor polymers which were prepared by means of thermal rearrangement reaction of Polyvinylchloride(PVC) and Polydimethysilane(PDMS) were melt spun,cured in air and heat treatment at elevated temperature.
     采用聚二甲基硅烷 (PDMS)与不同比例的聚氯乙烯 (PVC)共裂解合成制备了低电阻率Si C O纤维先驱体聚合物 .
短句来源
  “precursor polymers”译为未确定词的双语例句
     Synthesis and Characterization of New Precursor Polymers of Poly[2 methoxy 5 (4 bromobutoxy)phenylene vinylene]
     聚[2-甲氧基-5-(4-溴-丁氧基)对苯乙炔]新型前聚物的合成及表征
短句来源
  相似匹配句对
     Electrospinning of Polymers
     聚合物的静电纺丝
短句来源
     The hydration of polymers.
     Ⅱ. 聚合物的水化。
短句来源
     MOCC Precursor Method: Design and Synthesis of Fluorescent Metal-Organic Coordination Polymers
     MOCC前体法:荧光金属—有机配位聚合物的设计与合成
短句来源
     A Feminist Precursor
     一个女权主义先行者
短句来源
     SEISMOMAGNETIC PRECURSOR RESEARCH
     震磁前兆研究
短句来源
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  precursor polymers
Iron oxides were prepared by calcining the precursor polymers obtained from iron nitrate nonahydrate and diols.
      
Iron oxides were prepared by calcining the precursor polymers obtained from iron nitrate nonahydrate and diols.
      
This is compatible with values obtained for unpaired spins existing in carbon impurities that remain in the ceramic residues after pyrolysis of the organosilicon precursor polymers.
      
This may have played an important role in the formation and preservation of nucleic acids and/or their precursor polymers.
      
Transformation of the precursor polymers into C60-bearing poly(vinyl phenol) was carried out by UV (254 nm) irradiation of the films of the C60-bearing precursor polymers in the presence of a photoacid generator and followed by post-exposure baking.
      
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The structures and properties of the precursor polymer of poly(2,5-thienylene vinylene)(PTV) synthesized in water or in methanol-water mixture were studied.Different reaction medium affected the monomer conversion and the yield of the precursor polymer in some extent.The solubility and thermal-elimination property of the precursor polymer are effected by the pendent group.l2 doped PTV film had a room-temperature conductivity of about 50 S.cm-1.

对在水和甲醇-水混合介质中合成的聚噻吩乙炔(PTV)前聚物(precursorpolymer)的结构和性能进行了研究。不同聚合介质条件对单体转化率及前聚物的产率有一定影响。不同取代侧基影响PTV前聚物的溶解性和热处理性能。并对PTV膜碘掺杂后的导电率进行了初步研究。

Conductive and Mechanical properties of polythienylenevinylene(PTV) prepared from a organicsoluble precursor polymer were studied. Its conductivity varies with temperature and time of thermal treatment.Iodine (I2) and ferric chloride (FeCl3) are effective dopant for PTV.The doping time and concentration of dopant affect conductivity I2-doped PTV film has good air stability in six months. PTV film has excellent mechanical property also.

研究了通过有机可溶性前聚物合成聚噻吩乙炔(PTV)的某些性能。其导电率随热处理温度和时间不同而改变,适宜的热处理温度为200℃左右。I_2和FeCl_3对PTV膜具有较好的掺杂效果,掺杂时间和掺杂剂浓度影响PTV的导电率。PTV膜具有较好的力学性能、I_2掺杂PTV膜导电率有极好的空气稳定性。并从微观结构上对影响PTV导电率的某些因素进行了探讨。

The reaction conditions for preparing the organic soluble precursor polymer ofpoly(2,5-dimethoxy phenylene vinylene)have been examined.The results indicated thatNaOH was an effective initiator for this polymerization,The optimum reaction conditionswere as follovvs:molar ratio of monomer to NaOH 1:1;concentration of monomer 0.05 to0.2mol/L;polymerization time 2 hours and temperature below 5℃,Hexane and petroleumether can effectively increase the monomp,conversion and precursor polymer yield.Thestructure...

The reaction conditions for preparing the organic soluble precursor polymer ofpoly(2,5-dimethoxy phenylene vinylene)have been examined.The results indicated thatNaOH was an effective initiator for this polymerization,The optimum reaction conditionswere as follovvs:molar ratio of monomer to NaOH 1:1;concentration of monomer 0.05 to0.2mol/L;polymerization time 2 hours and temperature below 5℃,Hexane and petroleumether can effectively increase the monomp,conversion and precursor polymer yield.Thestructure of the polymer precursor were characterized by IR, UV-Vis, ̄1H NMR,TGA andDSC.

研究了合成聚(2,5-二甲氧圣对苯乙炔)的有机可溶性前聚物的反应条件与单体转化率和前聚物产率的关系。实验结果表明:NaOH是聚合反应的有效引发剂。适宜的反应条件为:单体与NaOH摩尔比为1:1,单体浓度0.05~0.2mol/L聚合时间2h,温度低于5℃。正已烷、石油醚作为有机提取剂可有效提高前聚物产率,用IR、UV-Vis、 ̄1HNMR、TGA和DSC对前聚物进行了表征。

 
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