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- polyvinyl chloroacetate 聚氯醋酸乙烯酯
- Twelve kinds of chloroacetate were prepared. 制备了十二种氯乙酸酯。
- The yield of methyl chloroacetate amounts to 72. 3% w... 采用动态法合成氯乙酸甲酯;产率可进一步达到72.;3%25;产品质量合格。
- Vinyl Chloride Co-polymers, Polyvinyl Butyrals, Thixotropy Resin. 聚氯乙烯共聚物、聚乙烯醇缩丁醛、触变性树脂。
- Study on gas-barrier properties of polyvinyl glutaral membranes[J]. 引用该论文 张丽卿;李波;蒋刚;王志光.
- The process of polyvinyl butyral (PVB)was briefly introduced. 简述了聚乙烯醇缩丁醛生产的工艺流程。
- Unplasticized polyvinyl chloride pipes and fittings. 未增塑聚氯乙烯压力管用密封圈的固定接头。
- Abstract: The process of polyvinyl butyral (PVB)was briefly introduced. 摘 要: 简述了聚乙烯醇缩丁醛生产的工艺流程。
- Progress in studies on crosslinking of polyvinyl chloride were reviewed. 综述了聚氯乙烯各种交联方法的研究进展。
- This thesis is based on polyvinyl alcohol fibers (vinylon) reinforced mortar. 本文以聚乙烯醇纤维(即维纶)增强砂浆为基础进行研究。
- Polyvinyl chloride, polyurethane and thermoplastic balata is suit base makings. 聚氯乙烯、聚氨酯和热塑性橡胶是适合的基料。
- The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening. 聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
- In toluene,the enantio-selective rate E for CRL-catalyzed interesterification of(R,S)-2-octanol with ethyl chloroacetate is fairly high(E=92.2). 在甲苯中;CRL催化氯乙酸乙酯与(R;S)-2-辛醇酯交换反应的对映体选择率E颇高(E=92.;2);
- Isopropyl chloroacetate is synthesized through esterification catalyzed by ferric chloride. 以氯乙酸和异丙醇为原料、三氯化铁为催化剂,合成了氯乙酸异丙酯。
- Use of zirconic acid esters as catalysts to prepare butyl chloroacetate and benzyl chloroacetate is studied, the yields of reactions are more than 90%. 介绍使用锆酸酯为催化剂,制备氯乙酸丁酯、氯乙酸苄酯的实验,讨论了影响反应的因素,该催化反应过程氯乙酸酯的收率为90%25以上。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐。
- DAZOC - Durable, polyvinyl gated irrigation pipe and color-coded PVC pipe fittings. 描述:DAZOC公司,提供耐用的、乙烯聚合物接口灌溉管道。
- Aceclofenac was synthesized in 82% overall yield from sodium diclofenac and t-butyl chloroacetate viaesterification and hydrolysis. 双氯芬酸钠与氯乙酸叔丁酯经酯化、水解反应制得非甾体抗炎药醋氯芬酸,收率82%25。
- Sash guides shall be constructed from corrosion resistant polyvinyl chloride or equivalent material. 移门导向装置由抗腐蚀的聚氯乙稀或相近材质构成。
- Carbonylation of ethyl chloroacetate is a pseudo-first-order reaction.The results show that this new simple technique has many advantages such ... 结果表明,该法工艺路线简单,选择性好,无污染,是一种环境友好的新型合成路线。