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首页> 外文期刊>Journal of Polymers and the Environment >Moisture Sorption Characteristics of Microbially Produced Polysaccharide and Polyvinyl Alcohol Blends
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Moisture Sorption Characteristics of Microbially Produced Polysaccharide and Polyvinyl Alcohol Blends

机译：微生物生产的多糖和聚乙烯醇共混物的水分吸附特性

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摘要

Moisture sorption characteristics of microbial polysaccharide (Ps.C101) from Pseudomonas caryophilli and polyvinyl alcohol (PVA) blends have been carried out at 27℃ for water activity from 0.1 to 0.9. The sorption data was used to fit six different sorption isotherm models proposed in literature. The model constants were determined by linear fitting of the sorption equations. The ranges of applicability of water activity for isotherm models reported in this paper lie in between 0.1 and 0.4 for Brunaur-Emmet-Teller (BET) model (monolayer), and in between 0.2 and 0.9 for other models. The value of the coefficient of determination (R~2 = 0.97 ± 0.02) confirms the applicability of the equations studied.
机译：在27℃时，嗜水假单胞菌和聚乙烯醇（PVA）共混物的微生物多糖（Ps.C101）的水分吸附特性为0.1至0.9。吸附数据用于拟合文献中提出的六个不同的吸附等温线模型。通过吸附方程的线性拟合确定模型常数。本文报道的等温线模型中水活度的适用范围对于Brunaur-Emmet-Teller（BET）模型（单层）在0.1到0.4之间，对于其他模型在0.2到0.9之间。测定系数的值（R〜2 = 0.97±0.02）证实了所研究方程式的适用性。

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