STUDY ON SEQUENCE STRUCTURE OF ACRYLAMIDE-ACRYLATE COPOLYMERS BY13C-NMR METHOD

YUAN Dongwu; ZHU Shannong; YANG Xiaozhen

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STUDY ON SEQUENCE STRUCTURE OF ACRYLAMIDE-ACRYLATE COPOLYMERS BY13C-NMR METHOD

Papers | Updated：2021-06-21

- STUDY ON SEQUENCE STRUCTURE OF ACRYLAMIDE-ACRYLATE COPOLYMERS BY13C-NMR METHOD
- Vol. 5, Issue 1, Pages: 20-25(1987)
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- Published：20 March 1987
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YUAN Dongwu, ZHU Shannong, YANG Xiaozhen. STUDY ON SEQUENCE STRUCTURE OF ACRYLAMIDE-ACRYLATE COPOLYMERS BY13C-NMR METHOD[J]. 1987, 5(1): 20-25.
DOI：

YUAN Dongwu, ZHU Shannong, YANG Xiaozhen. STUDY ON SEQUENCE STRUCTURE OF ACRYLAMIDE-ACRYLATE COPOLYMERS BY13C-NMR METHOD[J]. 1987, 5(1): 20-25. DOI：

摘要

Triad sequence distributions in a series of P(AM/AA) with different AA% were calculated from copolymerization reactivity ratio r1 and r1 based on first order Markov statistic model

and the calculated data compared with observed ones from 13C-NMR spectra showed good agreement with each other. The sequence distribution in P(AM/AA) obtained under our experimental conditions fits in with first order Markov statistic model. A significant sequence structure difference was observed between P(AM/AA) and alkaline hydrolyzed polyacrylamide

ABA triad (acrylate unit center)

AAA and AAB triads (acrylamide unit center) dominated in hydrolyzed ones.

Abstract

Triad sequence distributions in a series of P(AM/AA) with different AA% were calculated from copolymerization reactivity ratio r1 and r1 based on first order Markov statistic model

ABA triad (acrylate unit center)

AAA and AAB triads (acrylamide unit center) dominated in hydrolyzed ones.

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