THE STATISTICAL ANALYSIS AND CHARACTERIZATION OF SEQUENCE DISTRIBUTION FOR PET/PHB COPOLYESTERS

HUANG Jian-hua; SUN Tong

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THE STATISTICAL ANALYSIS AND CHARACTERIZATION OF SEQUENCE DISTRIBUTION FOR PET/PHB COPOLYESTERS

Research Article | 更新时间：2021-03-19

- THE STATISTICAL ANALYSIS AND CHARACTERIZATION OF SEQUENCE DISTRIBUTION FOR PET/PHB COPOLYESTERS
- Acta Polymerica Sinica Issue 4, Pages: 471-477(1992)
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- Published：20 August 1992，
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HUANG Jian-hua, SUN Tong. THE STATISTICAL ANALYSIS AND CHARACTERIZATION OF SEQUENCE DISTRIBUTION FOR PET/PHB COPOLYESTERS. [J]. Acta Polymerica Sinica (4):471-477(1992)
DOI：

HUANG Jian-hua, SUN Tong. THE STATISTICAL ANALYSIS AND CHARACTERIZATION OF SEQUENCE DISTRIBUTION FOR PET/PHB COPOLYESTERS. [J]. Acta Polymerica Sinica (4):471-477(1992) DOI：

摘要

由聚对苯二甲酸乙二酯(PET)和对-乙酰氧基苯甲酸制得的PET/PHB共聚酯代表了一类序列结构较一般二元共聚物复杂的共聚体系.在揭示了这类共聚物与序列分布有关的诸概率参数中只有一个是独立的之后

定义了参数Bq来描述此类共聚物的无规度.并指出

共聚物Bq=b时的序列分布

可以从一般二元共聚物无规度B=b时的序列结构加以推断.

Abstract

PET/PHB copolyesters made from poly(ethylene terephthalate) (PET) and p-acetoxyben-zoic acid represent a kind of copolymers whose sequence structure is more complicated compared with the general binary copolymers. Based on the statistical analysis on sequence distribution of the copolyesters

a parameter

has been proposed to describe the degree of randomness of the copolyesters. It has been shown that the sequence distribution of the copolymer with Bq = b can be evaluated by comparing with the sequence structure of the general copolymer whose degree of randomness

B equals b.

关键词

对苯二甲酸乙二酯-对-氧基苯甲酸酯共聚物共聚物链结构序列分布结构表征无规度

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