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- diphenyl ketene 二苯乙烯酮
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,广泛应用于塑料工业。
- AKD (alkyl ketene dimer) emulsions offered good sizing, but rendered very poor ink hold-out. AKD乳液提供了良好上胶度，但纸之托色效果甚差；
- It is synthesized of ketene and crotonaldehyde method or 1,3- butadiene and acetic acid method. 山梨酸可用乙烯酮巴豆醛法、丁二烯乙酸法合成。
- A method of the synthesis of chloroacethyl chloride from ketene and chlorine in a solvent is introduced. 介绍了乙烯酮与氯气在溶剂中合成氯乙酰氯的方法。
- The synthesis of chloroacetyl chloride by the chlorination of ketene was studied in the article. 研究了乙烯酮氯化法合成氯乙酰氯。
- Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond. 随着反应条件的不同，产物可以是由烯酮的双键加成聚合得到的聚酮。
- Thermoplastic corn starch was blended with reactive polyamide (RPA) and alkyl ketene dimmer (AKD) and the blend was cast into composite films. 为了提高淀粉基复合膜的干/湿态力学性能,将反应性聚酰胺(RPA)、烷基烯酮二聚体(AKD)与热塑性玉米淀粉(St)复合后采用浇铸法制备新型疏水化复合膜。
- A composite film was prepared through the reaction of methylcellulose, polyamide, and alkyl ketene dimmer.Glycerol was used as a plasticizer. 以丙三醇为增塑剂,将甲基纤维素、聚酰胺与烷基烯酮二聚体反应后制备出甲基纤维素／聚酰胺复合膜。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半经验量子化学方法对二苯硫醚和二苯亚砜的构象进行研究。
- The inclusion of polyamide and alkyl ketene dimmer improved the mechanical properties of methylcellulose, especially the wet tensile strength. 力学性能测试表明,聚酰胺、烷基烯酮二聚体能够明显改善纤维素复合膜的力学性能,尤其是湿态拉伸强度。
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- Sizing mechanism of AKD(Alkyl Ketene Dimmer)was demonstrated in the current paper, followed by its effect on paper friction. 着重介绍了AKD施胶的机理,并对AKD施胶所带来的纸页摩擦系数的降低进行了分析。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。
