THE REACTIVITY RATIOS OF GROUP TRANSFER COPOLYMERIZATION OF ACRYLONITRILE WITH METHACRYLATES

ZOU Yousi; DAI Lizong; LAN Tao; PAN Ronghua

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THE REACTIVITY RATIOS OF GROUP TRANSFER COPOLYMERIZATION OF ACRYLONITRILE WITH METHACRYLATES

Research Article | 更新时间：2021-03-19

- THE REACTIVITY RATIOS OF GROUP TRANSFER COPOLYMERIZATION OF ACRYLONITRILE WITH METHACRYLATES
- Acta Polymerica Sinica Issue 5, Pages: 513-518(1997)
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- Published：20 October 1997，
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ZOU Yousi, DAI Lizong, LAN Tao, PAN Ronghua. THE REACTIVITY RATIOS OF GROUP TRANSFER COPOLYMERIZATION OF ACRYLONITRILE WITH METHACRYLATES. [J]. Acta Polymerica Sinica (5):513-518(1997)
DOI：

ZOU Yousi, DAI Lizong, LAN Tao, PAN Ronghua. THE REACTIVITY RATIOS OF GROUP TRANSFER COPOLYMERIZATION OF ACRYLONITRILE WITH METHACRYLATES. [J]. Acta Polymerica Sinica (5):513-518(1997) DOI：

摘要

研究了丙烯腈（ＡＮ）和甲基丙烯酸甲酯（ＭＭＡ）、乙酯（ＥＭＡ）、丁酯（ＢＭＡ）、丙烯酸丁酯（ＢＡ）和顺丁烯二酸二丁酯（ＤＢＭ）等５种酯类单体的基团转移无规共聚．用ＫｅｌｅｎＴｕｄｕｓ法测定了二元共聚体系的竞聚率

分别为ｒＡＮ＝１０.２２、ｒＭＭＡ＝０.７７、ｒＡＮ＝５.６８、ｒＥＭＡ＝０.１６、ｒＡＮ＝８.５９、ｒＢＭＡ＝０.０９、ｒＡＮ＝４.０８、ｒＢＡ＝０.０６；ｒＡＮ＝１.３８

ｒＤＢＭ＝０.０６．发现竞聚率

单体组分对聚合速率的影响等都和阴离子共聚类似．

Abstract

Random copolymerization have been performed for five binary systems using 1 methoxy 2 methyl 1 trimethylsilyloxy propene(initiator) and tetrabutylammonium bibenzoate (catalyst) in tetrahydrofuran solution.The copolymer compositions were determined by elemental analysis for nitrogen and the results calculated by the Kelen Tudos method.The monomer pairs concerned are (1) acrylonitrile (AN) and methyl methacrylate (MMA)

(2)AN and ethyl methacrylate (EMA)

(3)AN and butyl methacrylate (BMA)

(4)AN and butyl acrtlate(BA)

(5)AN and dibutyl maleate(DBM).The reactivity ratios determined in this study are:(1)rAN=10.22

rMMA=0.07;(2)rAN=5.68

rEMA=0.16;(3)rAN=8.59

rBMA=0.09;(4)rsub>AN=4.08

rBA=0.06;(5)rAN1.38

rDBM=0.06.The results show that GTP is similar to anionic polymerization with respect to the reactivoty ratios.

关键词

基团转移共聚竞聚率丙烯腈甲基丙烯酸酯顺丁烯二酸二丁酯

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