The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、硫硫酸钠和溴
正
烷为原料,合成了正庚醛正
硫醇缩醛。
The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、硫硫酸钠和溴
正
烷为原料,合成了正庚醛正
硫醇缩醛。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯替亚硝酸
酯,用
替无水乙醚合成铜铁试剂的新工艺。
The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.
以二基-4-
硫基
基硫鎓盐(DPTS)为光引发剂,研究了乙烯基正
醚的本体和溶液光
合。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸酯和甲基丙烯酸甲酯为单体,采用自由基
合法制备了
丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.
以邻甲酸和对乙氧基
胺为原料,经过胺的
基化、二芳胺的环化、N-烷基化、硫
化反应合成了N-
基-2-乙氧基硫
吖啶酮。
The technical advantages and disadvantages of natural rubber liner, chloroprene rubber liner, precuring butyl rubber liner and room temperature self-vulcanization butyl rubber liner are compared.
对比了天然衬里、
衬里、预硫化
基
衬里、室温自硫化
基
衬里的技术优缺点。
The main materials we used are including silicone rubber, fluorubber, natural rubber, neoprene rubber, EPDM, butyl rubber, polyurethane, polyethylene, EVA, ABS, PP, and PVC.
使用的原料有硅、氟
、天然
、
、三元乙丙
、
基
、
氨脂
、
乙烯、
丙烯、EVA、ABS、PP、PVC等。
In this paper, the PVA of major component in the Sensitized emulsion was modified by the polyreaction with formaldehyde, butyl aldehyde, furfural and alcohol.
用甲醛、醛、糠醛对重氮感光
中的主要成分
乙烯醇进行改性,以增强感光
的耐水性和耐磨性。
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