Flame retardant vinyl ester resin using tetrabromo bisphenol a, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚a、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
Aroma chemicals especially ester aroma chemicals are the important raw material of the food industry, the cosmetics and the drugs manufacture industry.
合成香料特别是酯类合成香料是食品工业、化妆品和制药工业的重要原料。
Sulfuric acid dimethyl ester, one of the important chemical raw materials ACTS as the methylating agent in the organic synthesis for the purpose of replacing alkyl halide.
硫酸二甲酯是一种重要的化工原料,在有机合成中用于代替卤代烷作为甲基化剂。
Acrylic acid and its ester derivatives are principal raw materials in the manufacture of polymeric products.
丙烯酸及其酯类是重要的聚合物产品原料。
Using senecioic acid and definite alcohol such as methanol or other alcohols as raw materials in the presence of phosphorus oxychloride as catalyst, corresponding ester can be synthesized by one step.
以异戊烯酸和甲醇等醇类为原料,在三氯氧磷催化下一步合成相应的酯类。
The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
本文对吡嘧黄隆生产中的原料和中间体氰乙酸乙酯,乙氧基甲叉氰乙酸乙酯和吡唑胺进行了致敏性试验研究。
Acrylic acid and its ester derivatives are important raw materials for the chemistry industry, as monomer, via homopolymerization and copolymerization, it can synthetic thousands of polymers.
丙烯酸及其酯类是一类重要的化工原料,作为聚合单体可以经均聚和共聚合成成千上万的聚合物。
Vinyl ester resin was synthesized using bisphenol A type epoxy resin and methylacrylic acid as raw materials.
以环氧树脂和丙烯酸为基本原料,合成环氧丙烯酸酯并进行了表征。
In this article Phenyl-acrylic acid ester is synthesized under the catalysis of cationic resin using Phenyl-acrylic acid as a raw material which is produced as a part of the whole process.
本文以自制苯基丙烯酸为原料,用阳离子树脂催化合成苯基丙烯酸酯。
In a traditional synthesis method with malonate ester as the raw material, impurities are produced in the finally obtained biotin.
目前用丙二酸二酯作原料的合成方法,在最后得到的生物素中会伴随杂质的产生。
This paper deals with the preparation of leather finishing agent by emulsion polymerization using silicone and acrylic ester as raw materials.
介绍以有机硅氧烷,丙烯酸酯为主原料,采用乳液聚合方式合成皮革涂饰剂的方法及其应用结果。
At present, glycerol was used as raw materials to produce more and more types of glycerides, triacetin, glycerin fatty acid ester, oleic acid ester compounds etc are widely used as chemicals.
目前,以甘油为原料生产甘油酯的种类越来越多,三醋酸甘油酯、单脂肪酸甘油酯、油酸甘油酯等甘油酯类化合物均为用途广泛的化工产品。
The optimum technological conditions were studied for the synthesis of bagasse cellulose phosphate ester by the reaction of bagasse cellulose as raw material with urea as catalyst.
蔗渣纤维素是丰富的可再生资源,改性后可以作为离子交换吸附脱色剂,是实现对植物资源高附加值利用的重要途径之一。
The optimum technological conditions were studied for the synthesis of bagasse cellulose phosphate ester by the reaction of bagasse cellulose as raw material with urea as catalyst.
蔗渣纤维素是丰富的可再生资源,改性后可以作为离子交换吸附脱色剂,是实现对植物资源高附加值利用的重要途径之一。
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