The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、代酸钠和溴代正烷为原料,合了正庚醛正醇缩醛。
The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、代酸钠和溴代正烷为原料,合了正庚醛正醇缩醛。
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代替亚硝酸酯,用氯代替无水乙醚合铜铁试剂的新工艺。
The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.
以二-4-代鎓盐(DPTS)为光引发剂,研究了乙烯正醚的本体和溶液光聚合。
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、丙烯酸酯和甲丙烯酸甲酯为单体,采用自由聚合法制备了聚丙烯酸卷材涂料前驱膜物,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.
以邻氯甲酸和对乙氧胺为原料,经过胺的化、二芳胺的环化、N-烷化、代化反应合了N--2-乙氧代吖啶酮。
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、氯衬里、预化衬里、室温自化衬里的技术优缺点。
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、氯、三元乙丙、、聚氨脂、聚乙烯、聚丙烯、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分聚乙烯醇进行改性,以增强感光的耐水性和耐磨性。
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