Preparation of 1-pentene/1-octene/1-dodecene terpolymer drag reducer by response surface method

MA Yanhong; LU Jiangyin; HU Zizhao; WEI Shenghua

doi:10.11949/j.issn.0438-1157.20161771

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Preparation of 1-pentene/1-octene/1-dodecene terpolymer drag reducer by response surface method

更新时间：2025-12-10

- Preparation of 1-pentene/1-octene/1-dodecene terpolymer drag reducer by response surface method
- CIESC Journal Issue 5, Pages: 2195-2203(2017)
- 作者机构：
  
  1. 新疆大学化学化工学院, 石油天然气精细化工教育部重点实验室,新疆,乌鲁木齐,830046
  2. 中石化森美(福建)石油有限公司南平分公司,福建,南平,353000
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161771
  CLC： Q31
- Online First：05 May 2017，
  
  Published：05 May 2017
- 稿件说明：
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MA Yanhong, LU Jiangyin, HU Zizhao, et al. Preparation of 1-pentene/1-octene/1-dodecene terpolymer drag reducer by response surface method[J]. CIESC Journal, 2017, (5): 2195-2203.
DOI：

MA Yanhong, LU Jiangyin, HU Zizhao, et al. Preparation of 1-pentene/1-octene/1-dodecene terpolymer drag reducer by response surface method[J]. CIESC Journal, 2017, (5): 2195-2203. DOI： 10.11949/j.issn.0438-1157.20161771.

摘要

采用溶液聚合法，选用Ziegler-Natta催化剂，将1-戊烯作为单体之一，合成了1-戊烯/1-辛烯/1-十二烯三元共聚物减阻剂，通过核磁共振仪（13C NMR）、傅里叶变换红外光谱计（FT-IR）、X射线衍射（XRD）对聚合物的结构与性质进行了表征，并采用室内环道装置评价了聚合物的减阻性能。采用响应面分析法通过建立减阻率与各因素之间的Box-Behnken数学模型，对三元共聚工艺进行优化，最优聚合条件为：戊烯量0.07 ml，十二烯：辛烯=4，主催化剂量0.07 g，助催化剂量0.4 ml，在此条件下得到的三元共聚物在添加量10×10-6时减阻率为59.79%。在实验选取的添加量范围内，各因素对减阻率影响显著性顺序为：戊烯添加量 >助催化剂用量 >主催化剂用量 >十二烯：辛烯；各因素之间的交互作用也显著存在。引入戊烯制备所得的减阻剂结晶度下降，溶解效果明显优于1-辛烯/1-十二烯二元共聚物，减阻率得到了提高。

Abstract

Using 1-pentene as one of the monomers

Ziegler-Natta catalyst as catalyst

1-pentene/1-octene/1-dodecene terpolymer was synthesized by solvent polymerzation. The terpolymer was characterized by 13C NMR

FT-IR and XRD. The drag reduction efficiency of the terpolymer was evaluated by an indoor loop pipeline experimental apparatus. The Box-Behnken mathematical relational model between drag reduction rate and affecting factors was established

and the technology of preparing terpolymer was optimized. The optimum preparation conditions were: 0.07 ml 1-pentene

dodecene:octene=4

0.07 g main catalyst

0.4 ml cocatalyst

when the dosage of the terpolymer is 10×10-6

the drag reduction rate is 59.79%. The order of main factors affecting the drag reduction rate was: 1-pentene >cocatalyst >catalyst >dodecene:octene in the range of the experiment selected. The combined influence of the factors was also outstanding. The crystallinity of synthetic terpolymer was significantly decreased due to the introduction of 1-pentene

the solubleness was much better than 1-octene/1-dodecene bipolymer

and the drag reduction rate was improved.

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