简介:中国万达集团的全资子公司天弘化学有限公司(天弘化学)炼油和甲基丙烯酸甲酯(MMA)工艺自动化装置是一个老旧系统改造项目。对比技术改造方案后的项目,基于霍尼韦尔(国际)DCS系统PlantCruisebyExperion控制系统实现,保障了项目顺利实施。业主希望能成为行业中的佼佼者,在霍尼韦尔找到实现这一目标的技术和服务。
简介:ThepolymerizationofMMAinitiatedbycopper(Ⅱ)chelatingresins/CCl4systemwasstudied.Fromthekineticdata,thekineticequationofpolymerizationcanbeexpressedasRp=Ke^-56400/RT[MMA]^1.57[CCl4]^m[RESIN-Cu]^0.18wherem:3-4.5,when[CCl4]0.1-6.93M.Thefreeradicalpolymerizationmechanismisproposed.Theprimaryradicalsareformedbytheprocessofcomplexation-chlorinetransformationamongthecopper(Ⅱ)chelatingresin,CCl4andmethacrylate.
简介:Thephotoinitiatingsystemcomposedof1-ethyl-3’-methylthiacyaninebro-mide(C-I),2-chlorohexaarylbiimidazole(o-Cl-HABI)and3-mercapto-4-methyl-4H-1,2,4-triazole(MTA),whichactassensitizer,initiatorandhydrogen-donorrespectively,canbeusedtoinitiatethepolymerizationofmethylmethacrylate(MMA).Thekineticstudywascarriedoutintrichloromathanesolutionat30℃byusingdilatometry.Therelationbe-tweenthepolymerizationrateandtheconcentrationsofC-I,o-Cl-HABI,MTAandMMAwasstudied.