The acrylic resin round particles with good luminous properties was synthesized with methyl methacrylate and ethyl acrylate monomers and luminous substance as row material.The influence of every reaction condition on ...The acrylic resin round particles with good luminous properties was synthesized with methyl methacrylate and ethyl acrylate monomers and luminous substance as row material.The influence of every reaction condition on the properties of round particles was discussed.展开更多
In this paper,the dibenzo-14-crown-4(DB14C4,abbreviation of Dibenzo-14-crown-4) is synthesized by the ultrasonic synthesis method when use 1,3-dibromopropane and pyrocatechol as starting material,dimethyl sulfoxide(DM...In this paper,the dibenzo-14-crown-4(DB14C4,abbreviation of Dibenzo-14-crown-4) is synthesized by the ultrasonic synthesis method when use 1,3-dibromopropane and pyrocatechol as starting material,dimethyl sulfoxide(DMSO) as solvent,and lithium hydroxide as catalyst and template reagent.The experiment result shows that the new synthetic method has some properties such as simple operation(no protection of nitrogen gas),short reaction time(50min),high yield(42.2%),etc.and it is a extensive new method for synthesis of crown.展开更多
文摘The acrylic resin round particles with good luminous properties was synthesized with methyl methacrylate and ethyl acrylate monomers and luminous substance as row material.The influence of every reaction condition on the properties of round particles was discussed.
文摘In this paper,the dibenzo-14-crown-4(DB14C4,abbreviation of Dibenzo-14-crown-4) is synthesized by the ultrasonic synthesis method when use 1,3-dibromopropane and pyrocatechol as starting material,dimethyl sulfoxide(DMSO) as solvent,and lithium hydroxide as catalyst and template reagent.The experiment result shows that the new synthetic method has some properties such as simple operation(no protection of nitrogen gas),short reaction time(50min),high yield(42.2%),etc.and it is a extensive new method for synthesis of crown.
