METHYLAL

作品数：4被引量：4H指数：1
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Formation kinetics of polyoxymethylene dimethyl ethers from methylal and trioxane with little water
《Chinese Journal of Chemical Engineering》2021年第5期139-146,共8页Xiaofei Qin Sen Lei Xubin Zhang Chen Cao Feng Xin Honglin Chen Xiaoming Zhang Yachen Yin Guilian Wu 
This research was supported by the National Key R&D Program of China(2018YFB0604900).
Polyoxymethylene dimethyl ethers(CH_(3)-O-(CH_(2)O)_(n)-CH_(3),PODE_(n),n>1)can be added to diesel to reduce air pollution caused by incomplete combustion.Driven by this need,a cost-effective and efficient synthetic r...
关键词：Fuel additive POLYOXYMETHYLENE DIMETHYL ETHERS KINETICS HZSM-5 
A Synthesis, Process Optimization, and Mechanism Investigation for the Formation of Polyoxymethylene Dimethyl Ethers被引量：4
《Transactions of Tianjin University》2019年第1期1-8,共8页Yang Liu Yan Wang Wangfeng Cai 
Polyoxymethylene dimethyl ethers(DMM_n) are promising diesel additives. The synthesis of DMM_n from methylal(DMM) and paraformaldehyde over the NKC-9 acidic ion-exchange resin catalyst was investigated. Many unrecycla...
关键词：POLYOXYMETHYLENE DIMETHYL ETHERS PARAFORMALDEHYDE METHYLAL Diesel additive POLYOXYMETHYLENE hemiformals 
Evaluation Cases of Hazardous Article Explosion Risk of Methylal Construction Project
《Meteorological and Environmental Research》2015年第1期17-18,22,共3页Cui Yonghui Yan Jing Shang Shaoqiong 
Along with development of economy in China, industrial production accidents continued to occur, which caused huge losses to people＇s lives and property safety, and also caused serious pollution to the environment. Or...
关键词：Risk identification Source item Explosion PREVENTION China 
A　CONVERGENT　SYNTHESIS　OF（E．E，E）－3，7，13－TRIMETHYL－6－（i－PROPENYL）－7，14－DIHYDROXY－2，8，12－TETRADECATRIEN－1－METHYLAL
《Chinese Chemical Letters》1996年第2期109-110,共2页Yi qian Wan Jing Yu SU Qing LIU Long Mei Zeng(Department of Chemistry,Zhongshan University,Guangzhou 510275) 
Starting form geanial a new Synthetic route for compound 6, (E,E,E)-3,7-13-trimethy1-6-(i-propenyl)-7,14-dihydydroxy1-2,8,12-tetradecatrien-1-methylal,a key intermediate in the synthesis of diterpene epi-mayol is desc...
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