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苯乙烯

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Ternary copolymer ammoniacal latex was obtained using the reaction of nitration and reduction reaction.

通过硝化反应与还原反应在苯乙烯的苯环上接上氨基,利用重氮化反应将登革热抗体与之相交联制成登革病毒胶乳凝集免疫诊断试剂。

Hrough copolymerization of styrene with few quantity of methacrylic acid, maleic anhydrate or 4-vinyl pyridine respectively and of butyl methacrylate with maleic anhydrate, the functional groups carboxyl, simple anhydride and pyridyl have been introduced respectively to the chain of PS or PBma.

通过苯乙烯与少量的甲基丙烯酸、马来酸酐或4—乙烯基吡啶的共聚及甲基丙烯酸正丁酯与马来酸酐的共聚,可在聚苯乙烯及聚甲基丙烯酸丁酯链上分别引入功能基因羧基、酸酐基和吡啶基对共聚物进行了红外光谱、酸碱滴定、元素分析、玻璃化转变温度、粘度及紫外光谱的测定。

The multi monomer of methyl methacrylate/styrene melt grafting onto atactic polypropylene was studied.

对多单体甲基丙烯酸甲酯和苯乙烯熔融接枝无规聚丙烯进行了研究。

The binary composition contains atactic copolymer of styrene and vinyl cyanide in 50-95 wt% and thermoplastic polyurethane in 5-50 wt%.

本发明涉及一种含聚氨酯的热塑性二元组合物,该组合物含有50~95%的苯乙烯―丙烯腈的无规共聚物和5~50%的热塑性聚氨酯。

The maximal absorption wavelength of the nitro-stilbene derivatives with an ether bond exhibited approximate 30 to 40 nm bathochromic shift compared to that of nitro-stilbene dyes with an ester bond.

相对于酯键而言,通过醚键连接的对硝基二苯乙烯类分子的最大吸收波长有一个大约30至40 nm的红移现象。

Mineral Oil, Hydrogenated Styrene/Butadiene Copolymer, Bertholletia Excelsa Seed Oil, Prunus Amygdalus Dulcis Oil, Fragrance.

矿物油,氢化苯乙烯/丁二烯共聚物, Bertholletia棕竹籽油,李野枣石油,香气。

A new series of Ni complexes [NiBr2] bearing bidentate amino-oxazoline ligands have been synthesized and applied for polymerization of styrene.

系列新的胺基-恶唑啉双牙配位基及其镍金属错合物,[NiBr2] 4,已被成功地合成出来,并且可应用在苯乙烯的聚合反应上。

Chloro-phenol, as a solvent, was used first time and a new process of solution copolymerization was introduced in the copolymerization of ST with CO catalyzed by Pd〓/2, 2′-bipyridine.

首次以邻氯苯酚为溶剂,开发Pd/2,2′-联吡啶等组成的催化剂催化一氧化碳和苯乙烯的溶液共聚反应的方法。

Iodobenzene, bromobenzene and their derivatives reacted smoothly with n-butyl acrylate or styrene under phosphine-free reaction conditions in the presence of palladium acetate and fluoroquinolones.

碘苯、溴苯和其它芳基卤衍生物与丙烯酸丁酯、苯乙烯等取代乙烯类化合物在钯和氟喹诺酮的催化下发生Heck反应。

The monomer ofbromostyrene was synthesized fromβ-bromobenzene by eliminating hydrogenbromide under sodium hydrate.

溴乙基溴代苯在氢氧化钠的作用下,发生溴化氢脱除反应,得到溴代苯乙烯单体。

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