STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY 13C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE

CHEN Xiaonong; HU Liping; YAN Baozhen; JIAO Shuke

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STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY 13C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE

Papers | Updated：2021-06-21

- STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY 13C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE
- Vol. 8, Issue 3, Pages: 269-278(1990)
- Affiliations：
  
  1. Department of Applied Chemistry, Beijing Institute of Chemical Technology,Beijing
  2. Beijing Institute of Chemical Technology
  3. Beijing
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 September 1990
- Accepted：
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[1]陈晓农,胡力平,严宝珍,焦书科.STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY ~(13)C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE[J].Chinese Journal of Polymer Science,1990,{4}(03):269-278.

CHEN Xiaonong, HU Liping, YAN Baozhen, et al. STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY 13C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE[J]. 1990, 8(3): 269-278.
[1]陈晓农,胡力平,严宝珍,焦书科.STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY ~(13)C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE[J].Chinese Journal of Polymer Science,1990,{4}(03):269-278. DOI：

CHEN Xiaonong, HU Liping, YAN Baozhen, et al. STUDY ON THE SEQUENCE STRUCTURE OF BUTADIENE-STYRENE RUBBER BY 13C-NMR METHOD Ⅲ. QUANTITATIVE CHARACTERIZATION OF SEQUENCE STRUCTURE[J]. 1990, 8(3): 269-278. DOI：

摘要

正

The quantitative description of the sequence structure of emulsion-processed SBR and solution-processed SBR （by lithium catalyst）was carried out based on their spectral data Of

C-NMR.The calculating formulae which could be used to obtain diad concentration from the peak intensifies of carbon spectra

average block length

average number of block

and the microstructure composition of the molecular chain were derived. The quantitative result showed that on the molecular chain styrene unit had the tendency to attach to trans-1

4 butadiene unit. The calculated result of the microstructure was in good agreement with that obtained through IR measurement.

Abstract

The quantitative description of the sequence structure of emulsion-processed SBR and solution-processed SBR （by lithium catalyst）was carried out based on their spectral data Of

C-NMR.The calculating formulae which could be used to obtain diad concentration from the peak intensifies of carbon spectra

average block length

average number of block

and the microstructure composition of the molecular chain were derived. The quantitative result showed that on the molecular chain styrene unit had the tendency to attach to trans-1

4 butadiene unit. The calculated result of the microstructure was in good agreement with that obtained through IR measurement.

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