SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS

ZHOU Zinan; TIAN Wenjing; WU Shengrong; DAI Yingkun; FENG Zhiliu; SHEN Lianfang; YUAN Hanzhen

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SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS

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- SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS
- Vol. 10, Issue 4, Pages: 299-303(1992)
- Affiliations：
  
  1. Laboratory of Polymer Physics, Changchun Institute of Applied Chemistry, Academia Sinica, Changehun 130022) SHEN Lianfang and YUAN Hanzhen
  2.   Changchun Institute of Applied Chemistry
  3.   Academia Sinica
  4.   Changchun 130022
  5.   Wuhan Institute of Physics
  6.   Wuhan 430071
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 December 1992
- Accepted：
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[1]周子南,田文晶,吴盛容,戴莹琨,冯之榴,沈联芳,袁汉珍.SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS[J].Chinese Journal of Polymer Science,1992,{4}(04):299-303.

ZHOU Zinan, TIAN Wenjing, WU Shengrong, et al. SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS[J]. 1992, 10(4): 299-303.
[1]周子南,田文晶,吴盛容,戴莹琨,冯之榴,沈联芳,袁汉珍.SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS[J].Chinese Journal of Polymer Science,1992,{4}(04):299-303. DOI：

ZHOU Zinan, TIAN Wenjing, WU Shengrong, et al. SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS[J]. 1992, 10(4): 299-303. DOI：

摘要

正

Three ethylene-vinyl alcohol copolymers were studied by means of the substituent chemical shift （SCS） method. The SCS parameters of hydroxy （-OH） in two different solvents were obtained: in deuterium oxide/phenol （20/80 W/W ） the parameters are S

= 42.77±0.08ppm

= 7.15±0.06 ppm

（s）= -4.08±0.02ppm

（t） =-3.09±0.20ppm

= 0.48±0.03ppm

= 0.26±0.05ppm. In o-dichloro-benzen-d

（s）=44.79±0.61ppm

=7.40±0.00ppm

（s）=-4.51±0.17ppm

（t）=-3.13 ±0.00 ppm

=0.63±0.04ppm

=0.36±0.00ppm.Simultaneously the

CNMR spectra of EVA copolymers were assigned by using the SCS parameters obtained.

Abstract

= 42.77±0.08ppm

= 7.15±0.06 ppm

（s）= -4.08±0.02ppm

（t） =-3.09±0.20ppm

= 0.48±0.03ppm

= 0.26±0.05ppm. In o-dichloro-benzen-d

（s）=44.79±0.61ppm

=7.40±0.00ppm

（s）=-4.51±0.17ppm

（t）=-3.13 ±0.00 ppm

=0.63±0.04ppm

=0.36±0.00ppm.Simultaneously the

CNMR spectra of EVA copolymers were assigned by using the SCS parameters obtained.

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