丙烯海松酸聚乙二醇酯的合成及聚集行为

doi:10.3969/j.issn.1673-5854.2019.04.003

生物质化学工程 ›› 2019, Vol. 53 ›› Issue (4): 19-25.doi: 10.3969/j.issn.1673-5854.2019.04.003

丙烯海松酸聚乙二醇酯的合成及聚集行为

赵彦芝^1,²(),周菊英^1,^2,*(),杜方凯^1,²,许海棠^1,²,卢建芳^1,²,张霞¹

1. 广西民族大学化学化工学院, 广西南宁 530006
2. 广西林产化学与工程重点实验室, 广西南宁 530006

收稿日期:2018-04-27 出版日期:2019-07-30 发布日期:2019-08-05
通讯作者: 周菊英 E-mail:zhaoyzsense@163.com;zhoujuying@126.com
作者简介:赵彦芝(1979-),女,山西吕梁人,实验师,硕士,从事松香基两亲性聚合物自组装的研究工作; E-mail:zhaoyzsense@163.com
基金资助:
广西自然科学基金青年项目(2017GXNSFBA198026);广西民族大学校级项目(2016MDYB026);广西民族大学校级项目(2017MDYB004)

Synthesis and Aggregation Behavior of Acrylicpimaric Acid Polyglycol Ester

Yanzhi ZHAO^1,²(),Juying ZHOU^1,^2,*(),Fangkai DU^1,²,Haitang XU^1,²,Jianfang LU^1,²,Xia ZHANG¹

1. School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530006, China
2. Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Nanning 530006, China

Received:2018-04-27 Online:2019-07-30 Published:2019-08-05
Contact: Juying ZHOU E-mail:zhaoyzsense@163.com;zhoujuying@126.com
Supported by:
广西自然科学基金青年项目(2017GXNSFBA198026);广西民族大学校级项目(2016MDYB026);广西民族大学校级项目(2017MDYB004)

摘要/Abstract

摘要：

以松香和丙烯酸为单体合成了丙烯海松酸，利用气相色谱-质谱联用技术（GC-MS）对合成的丙烯海松酸进行了表征。以丙烯海松酸和聚乙二醇2000为单体采用条件温和的steglich酯化法合成了两亲性的丙烯海松酸聚乙二醇酯，并应用红外（FT-IR）、凝胶渗透色谱（GPC）和热重（TG）研究了该物质的结构和性能。结果表明：丙烯海松酸聚乙二醇酯数均相对分子质量为4 700，多分散系数为1.2，分解温度在308~410℃范围内。采用表面张力和芘稳态荧光法测定了该物质的临界胶束质量浓度（CMC），其CMC为1 g/L。用共振光散射（RLS）、动态光散射（DLS）和扫描电镜（SEM）法研究了丙烯海松酸聚乙二醇酯水溶液的聚集行为，结果表明：1 g/L的丙烯海松酸聚乙二醇酯水溶液在高于聚集温度74℃时胶束聚集，随着溶液的质量浓度由1 g/L增加到1.5 g/L时，聚集温度由74℃降低到65℃；1 g/L丙烯海松酸聚乙二醇酯水溶液的温度由25℃升高到85℃时，水合粒子平均直径（D_h）由295 nm增加到1 056 nm。

关键词: 丙烯海松酸聚乙二醇酯, steglich酯化, 两亲性, 聚集行为

Abstract:

Acrylpimaric acid was obtained with rosin and acrylic acid as raw materials and characterized by gas chromatography-mass spectrometry technology(GC-MS). Acrylicpimaric acid polyglycol ester was synthesized by steglich esterification method under mild conditions with acrylicpimaric acid and polyglycol(PEG 2000) as monomers. Structure and properties of the substance were studied by infrared, gel permeation chromatography(GPC), and thermogravimetric(TG). The average-number molecular weight of the substance was 4 700 with the polydispersity index of 1.2. The decomposition temperature of acrylicpimaric acid and polyglycol ester was 308-410℃. The critical micelle concentration(CMC) of acrylicpimaric acid polyglycol ester in water was 1 g/L by surface tension and steady-state fluorescence method. The aggregation behaviors of acrylicpimaric acid polyglycol ester in water were investigated by rayleigh light scattering(RLS), dynamic light scattering(DLS) and scanning electron microscopy(SEM) techniques. The results indicated that the stabilized micelle of 1 g/L acrylicpimaric acid polyglycol ester aggregated as the temperature was higher than the aggragation temperature(74℃) and the aggregation temperature decreased from 74℃ to 65℃ as the solution concentration increased from 1 g/L to 1.5 g/L. And as the temperature of acrylicpimaric acid polyglycol ester solution increased from 25℃ to 85℃, the average diameter of hydrate particle(D_h) increased from 295 nm to 1 056 nm.

Key words: acrylicpimaric acid polyglycol ester, steglich esterification, amphiphilic, aggregation behavior

中图分类号:

TQ35
TQ9

赵彦芝,周菊英,杜方凯,许海棠,卢建芳,张霞. 丙烯海松酸聚乙二醇酯的合成及聚集行为[J]. 生物质化学工程, 2019, 53(4): 19-25.

Yanzhi ZHAO,Juying ZHOU,Fangkai DU,Haitang XU,Jianfang LU,Xia ZHANG. Synthesis and Aggregation Behavior of Acrylicpimaric Acid Polyglycol Ester[J]. Biomass Chemical Engineering, 2019, 53(4): 19-25.

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保留时间/min retention time	化合物名称 compound name	相对分子质量 relative molecular weight	匹配度 matching degree
9.21	海松酸pimaric acid	316	98%
10.20	长叶松酸palustric acid	316	96%
10.75	脱氢枞酸dehydroabietic acid	316	95%
11.55	枞酸abietic acid	316	98%
12.42	新枞酸neoabieticacid	316	99%
16.42	丙烯海松酸(间位)acrylicpimaric acid(meta-position)	402	96%
18.49	丙烯海松酸(对位)acrylicpimaric acid(para-position)	402	97%

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丙烯海松酸聚乙二醇酯的合成及聚集行为

Synthesis and Aggregation Behavior of Acrylicpimaric Acid Polyglycol Ester

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