diene

Synthesis and characterization of poly(L-lactic acid)/polybutadiene based polyurethanes;聚L-乳酸/聚丁二烯基聚氨酯的合成与表征fdo汉语字典

Mechanism of bulk free-radical grafting polymerization of styrene onto polybutadiene;聚丁二烯橡胶接枝苯乙烯本体自由基聚合机理fdo汉语字典

Synthesis and characterization of stereotriblock polybutadiene and properties of its hydrogenated product;立构三嵌段聚丁二烯的合成及其加氢产物的性能fdo汉语字典

The process industrial synthsis of tert-dodecyl mercaptan from dodecylene and hydrogen sulfide with aluminium trichloride as catalyst was introduced,which consists of four units including the preparation of catalyst,purification of raw dodecylene,additive reaction and separation of reaction product.介绍了以无水三氯化铝络合物为催化剂,十二烯和硫化氢直接加成法生产叔十二烷基硫醇的工业试验工艺。fdo汉语字典

Synthesis of cyclized cis-1,4-polybutadiene in-situ by Nd-based catalyst and cationic catalyst;钕系催化剂和阳离子催化剂原位合成环化聚丁二烯fdo汉语字典

Comparison and selection among butadiene extraction technology process flows;丁二烯抽提技术工艺路线的对比选择fdo汉语字典

Technical remoulding and optimization of 90 kt/a butadiene extraction plant;9万t／a碳四抽提丁二烯装置工艺改造与优化fdo汉语字典

Investigation on the Preparation of Cyclopentene by Liquid Hydrogenation of Cyclopentadiene;环戊二烯液相加氢制备环戊烯的研究fdo汉语字典

Catalytic Synthesis of Methylcyclopentadiene by KNO_3/Al_2O_3;KNO_3/Al_2O_3催化环戊二烯甲基化反应fdo汉语字典

Synthesis of Methylcyclopentadiene from Cyclopentadiene;环戊二烯合成甲基环戊二烯fdo汉语字典

This paper introduced the producing process of m-pentadiene petroleum resin in aspect of raw material treatment,synthesizing process and post treatment,and estimated its domestic production cost to 7750 RMB/t or so.文章从原料处理、聚合工艺和后处理等方面介绍了间戊二烯石油树脂的生产技术,并对间戊二烯石油树脂的生产成本进行了估算,认为国内间戊二烯石油树脂的生产成本在7750元/t左右。fdo汉语字典

The reaction was finished within 2 h at 80 ℃,and a cumulative diene by-product turned to be main p.5%的收率得到连二烯副产物。