Gas solubility of carbon dioxide in poly(lactic acid) at high pressures

被引：48

作者：

Oliveira, NS

Dorgan, J

Coutinho, JAP

Ferreira, A

Daridon, JL

Marrucho, IM ^{[1
]}

机构：

[1] Colorado Sch Mines, Golden, CO 80401 USA

[2] Univ Aveiro, Dept Quim, CICECO, P-3810193 Aveiro, Portugal

[3] ESTGA, CICECO, P-3754909 Agueda, Portugal

[4] Univ Pau & Pays Adour, CURS, Lab Haute Press, F-64000 Pau, France

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2006年 / 44卷 / 06期

关键词：

biodegradable polymer; high pressure; polylactic acid; quartz crystal; microbalance; sorption;

D O I：

10.1002/polb.20746

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The sorption of carbon dioxide in poly(lactic acid) (PLA) was studied by quartz crystal microbalance at high pressures. To address the effect of the D isomer present in the polymer on the gas sorption, measurements were performed in PLA with two different L:D contents, 80:20 and 98:2. New data for the solubility of carbon dioxide in PLA 80:20 and PLA 98:2 over a temperature range from 303.2 to 323.2 K and up to 5 MPa are presented. The results obtained were correlated with the dual-mode sorption model and the Flory-Huggins equation. (c) 2006 Wiley Periodicals, Inc.

引用

页码：1010 / 1019

页数：10

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