乙烯淤浆聚合牌号过渡过程的模拟
Journal Title: Science Paper Online - Year 2008, Vol 3, Issue 12
Abstract
采用PC-SAFT状态方程计算乙烯聚合反应体系的物性；运用反应机理分析进行聚合过程建模；利用工业装置采集的数据，从宏观转化率、分子量及分布2个方面对所建模型进行了验证，确定了催化剂活性位为5个；构建了乙烯淤浆聚合工业流程的多活性位动力学动态模型，模拟计算得到的聚合物分子量与工业装置的分析数据十分符合，为牌号切换过程优化提供了基础。
Authors and Affiliations
Xueping GU, Lianfang FENG, Jiajun WANG, Zhiwu TANG, Bo LIU
Keywords
Related Articles
- EP ID EP123779
- DOI -
- Views 93
- Downloads 0
一种含三氟甲基侧基的聚酰胺酰亚胺的<br /> 合成与性能研究<br />
本文采用分子设计的方法，合成一种新型含三氟甲基侧基的二氨单体。并运用一步合成法，得到高分子量可溶性聚酰胺酰亚胺。通过1HNMR、FT-IR、TGA 、DSC等对所制备聚合物的结构和性能进行了表征。结果表明，合成的聚合物为无规高分子结构，...
The research of fermentation process modeling based on fuzzy least square support vector machine
The Penicillin Fermentation process is usually characterized as time varying and nonlinear dynamic. It is very difficult to measure the mycelia concentration online. The least square support vector machine (LS-SVM) model...
SAMP8小鼠在不同发育阶段海马和额叶中<br /> 与人类同源衰老相关基因的表达及变化<br />
为探讨13个与人类同源的衰老相关基因在不同月龄快速老化小鼠海马和额叶中的表达及变化，以筛选出与脑老化最相关的基因，采用SAMP8快速老化小鼠，以同月龄SAMR1为对照；运用RT-PCR技术，观察SAMP8幼年组2周龄、成年组8月龄、老年组13月龄...
ZnO p-type doping and room-temperature electro-luminescence from ZnO homojunction
This article reports on several technique for p-type doping in ZnO thin films, including N-doping, co-doping, Li-doping, nominally undoped method, large-size-mismatched group-Ⅴ doping. In addition, room-temperature elect...
A methodological exploration of bioactive components of the traditional Chinese medicines guided by in vivo absorption and distribution characters of the constituents
By using a Tibetan herbal medicine Halenia elliptica L. (a liver protect remedy) as an example, a method to investigate bioactive components of the traditional Chinese medicines (TCM), under a guidance of in vivo absorpt...