OPTIMUM PROCESS PARAMETERS FOR HYDROGENATION OF ACRYLONITRILE-BUTADIENE RUBBER USING Rh-Ru BIMETALLIC COMPLEX CATALYST

YAO Ming; ZHOU Shuqin; XU Ruiqing; YUE Dongmei; XU Guixian; ZHONG Yuzhen

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OPTIMUM PROCESS PARAMETERS FOR HYDROGENATION OF ACRYLONITRILE-BUTADIENE RUBBER USING Rh-Ru BIMETALLIC COMPLEX CATALYST

更新时间：2025-12-10

- OPTIMUM PROCESS PARAMETERS FOR HYDROGENATION OF ACRYLONITRILE-BUTADIENE RUBBER USING Rh-Ru BIMETALLIC COMPLEX CATALYST
- CIESC Journal Issue 6, (2002)
- 作者机构：
  
  1. 北京化工大学材料科学与工程学院
  2. 南帝化学工业股份有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 2002，
  
  Published：25 June 2002
- 稿件说明：
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YAO Ming, ZHOU Shuqin, XU Ruiqing, et al. OPTIMUM PROCESS PARAMETERS FOR HYDROGENATION OF ACRYLONITRILE-BUTADIENE RUBBER USING Rh-Ru BIMETALLIC COMPLEX CATALYST[J]. CIESC Journal, 2002, (6).
DOI：

YAO Ming, ZHOU Shuqin, XU Ruiqing, et al. OPTIMUM PROCESS PARAMETERS FOR HYDROGENATION OF ACRYLONITRILE-BUTADIENE RUBBER USING Rh-Ru BIMETALLIC COMPLEX CATALYST[J]. CIESC Journal, 2002, (6). DOI：

摘要

用作者研制的铑 -钌双金属配位化合物催化剂 (BMSC)对丁腈橡胶溶液进行均相加氢 .采用正交设计方法

考察温度、压力、催化剂用量和反应时间对加氢度的影响

并用极差分析方法对正交试验结果进行分析

得到了最佳的加氢工艺参数 .在反应温度为 145℃、氢气压力 1.2MPa、反应 4h的条件下

催化剂用量为NBR胶重的 0 .2 5 %

产物加氢度可达 98%以上 .

Abstract

The selective hydrogenation of the C C bonds in acrylonitrile-butadiene rubber(NBR)

using a new Rh-Ru based bimetallic single ligand catalyst(BMSC)

was examined.Gel free products with a high degree of hydrogenation were obtained

indicating a degree of activity and selectivity equal to RhCl(PPh 3) 3 for this new less expensive catalyst.The concentration of NBR solution and the amount of the second-ligand L 2 could affect the degree of hydrogenation.It was found that 7.0×10 -2 g·ml -1 NBR solution and 1.5% second-ligant L 2 based on the amount of NBR were appropriate.An experimental design to study the effect of temperature

hydrogen pressure

catalyst concentration and reaction time on the degree of hydrogenation was developed and subsequently carried out.The resulting optimum technological parameters were defined.When the catalyst concentration was 0.25%

temperture 145℃

hydrogen pressure 1.2MPa

reaction time 4h

the degree of hydrogenation reached over 98%.

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