检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:吕维华[1] 张歆婕 夏德强[1] 伍家卫[1] 王守伟[1] 马庭洲 L V Wei-hua;ZHANG Xin-jie;XIA De-qiang;WU Jia-wei;WANG Shou-wei;MA Ting-zhou(Lanzhou Petrochemical Polytechnic,Gansu Lanzhou 730060,China;Lanzhou Huifeng Petrochemical Co.,Ltd.,Gansu Lanzhou 730060,China)
机构地区:[1]兰州石化职业技术学院,甘肃兰州730060 [2]兰州汇丰石油化工有限公司,甘肃兰州730060
出 处:《当代化工》2018年第9期1790-1792,1796,共4页Contemporary Chemical Industry
基 金:甘教技[2017]2017C-25;甘教技[2017]2017D-26;西科发[2017]29号;兰财建[2017] 2016-RC-69;兰财建[2017] 2016-RC-111;兰财建[2017]18号;甘教技[2016]2016B-134;西科发[2015] 28号
摘 要:目前,在低温阳离子聚合法生产石油树脂过程中,需用碱洗、酸洗或水洗完成聚合反应终止,然后通过过滤、减压蒸馏,得到石油树脂。后处理工艺复杂,环境污染大,产率低,台时长。针对聚合反应难终止和后处理难的问题,选用蒙脱土和沸石为载体,通过吸附焦磷酸三聚氰胺,得到集链终止与过滤为一体的新型复合助滤剂,解决了环境污染问题,提高了生产效率。通过XRD、BJH、SEM等分析,确定了最佳配比蒙脱土:沸石=3:7,并详细阐述了聚合反应链终止和助滤机理。In the low temperature cationic polymerization process, alkaline, acid or water wash will be used to terminate the polymerization. Then, petroleum resin can be obtained after filtration and distillation. The process is complicated, its environmental pollution is serious, the yield is low and production time is longer. Regarding the problems, montmorillonite and zeolite were selected as filters to adsorb melamine pyrophosphate. The new functional complex filter has the properties of chain termination and filtration. It can reduce environmental pollution and improve production efficiency. The best ratio of montmorillonite to zeolite(3:7) was determined by analysis means, such as XRD,BJH,SEM. At last, the polymerization chain termination and filtering mechanisms were described.
关 键 词:助滤剂 焦磷酸三聚氰胺 沸石 石油树脂 阳离子聚合
分 类 号:TQ314[化学工程—高聚物工业]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.80