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The solid phase polymerization equipment needs high quality nitrogen, and the work conditions for the purified system equipment of nitrogen is acrimonious. The structure design and the manufacture process of nitrogen heat changer are also introduced. 固相缩聚装置氮气质量要求高 ,氮气净化系统设备工作条件苛刻 ,介绍了氮气换热器的结构设计和制造工艺
DESIGN AND MANUFACTURING OF THE NITROGEN COOLER FOR PET SOLID PHASE POLYMERIZATION EQUIPMENT PET固相缩聚装置氮气冷却器的设计与制造
Keywords solid phase polymerization;polyethylene terephthalate;fixed bed reac-tors.; 固相聚合;聚对苯二甲酸乙二酯;固定床反应器;
solid phase polymerized nano- TiO2 固相法纳米TiO2
solid phase polymerization 固相聚合
The polymer of maleic acid was first prepared by water phase polymerization with maleic anhydride,and then esterified with cetric acid to form durable press finishing agent. 采用马来酸酐水相聚合生成聚马来酸酐,然后与柠檬酸酯化合成可固化的印染助剂聚多元羧酸酯。
A solid or solid phase separated from a solution. 沉淀物从溶液中分离出来的固体或固体状态
Before flocculating a sump or land farming, a polymer system should be broken to separate the liquid phase for solid phase. 在将废油絮凝或土地耕种之前，必须打破聚合系统，以将液相分离为固相。
Before flocculating a sump or land farming ,a polymer system should be broken to separate the liquid phase for solid phase . 在将废油絮凝或土地耕种之前，必须打破聚合系统，以将液相分离为固相。
Before flocculating a sump or land farming,a polymer system should be broken to separate the liquid phase for solid phase . 在将废油絮凝或土地耕种之前，为将液相分离为固相，必须将聚合系统打破。
A molecularly imprinted solid phase extractant, particularly for the recognition of diphenylguanidine (DPG) was prepared using diphenylguanidine (DPG) as the template and bulk polymerization. 摘要以二苯胍为模板分子，用本体聚合法合成了对二苯胍具有良好识别能力的分子印迹固相萃取剂。
In gas phase polymerization fluidized-bed reactor (FBR), polymerization rate, devolatilization rate, cost of post-treament after polymeric process and polymer properties may be affected by polymer particle size distribution. 气相法流化床聚乙烯生产过程中,聚乙烯颗粒粒径分布影响聚合速率、脱挥速率、后处理工序生产成本和最终的聚乙烯物性。
Most common substances exist in the solid phase at low temperatures. 大多数一般物质在低温下处于固态。
The effects of prepolymerization and the differences in apparent kinetics between gaseous phase polymerization and slurry polymerization are also briefly described. 同时对预聚合的作用及气相聚合与淤浆聚合表观动力学行为的不同性也作了简要介绍。
For a pure liquid or solid phase, X, the activity is defined as unity. 对于纯液相或纯固相，X，其活度为1。
The Ti/SiO_2 catalyst used for gas phase polymerization of propylene and ethylene/propylene consists of SiO_2, BEM, 2, 2, 2-trichloroethanol, TiCl_4, etc. 以SiO_2、丁基乙基镁(BEM)、三氯乙醇、TiCl_4为主要原料合成了Ti/SiO_2催化剂。
This paper presents a review concerning the Ziegler-Natta catalysts for gaseous phase polymerization of ethylene and typical methods of preparing the catalysts. 本文综述了乙烯气相聚合催化剂研究状况,列举了一些制备气相聚合催化剂有代表性的方法。
A new kind of solid phase change material (PCM) prepared in our laboratory has been studied in this paper. 摘要制备了一种骨架为氯化聚丙烯、支链为聚乙二醇的新型相变材料。
L-aspartic acid has been used as raw material and polyaspartic acid has been synthesized by 3 methods: pyrocondensation polymerization,liquid phase polymerization and modification polymerization. 以L-天冬氨酸为原料,采用热缩聚合、液相聚合和改性聚合三种方法合成了热缩聚天冬氨酸。
Solid phase organic synthesis and combinatorial chemistry are novel methods developed in recent years to synthesize a lot of organic compounds quickly. 固相有机合成和组合化学是近年来发展起来的快速合成数种有机化合物的新方法。