Components:

(1) Carbon dioxide, CO₂; [124-38-9] NIST WebBook
(2) Poly(β-benzyl-L-aspartate) (PBLA), (CH₁₃NO₄)_n; [25248-99-1] NIST WebBook

Original Measurements

Kodama, H.; Tsujita, Y.; Takizawa, A.; J. Macromol. Sci. B 17, 57 (1980).

Variables:

Ambient temperature: 303 - 313 K
Pressure: 9.3 - 43.9 kPa

Prepared by:

Yu.P. Yampol'skii

Method/Apparatus/Procedure:

Sorption measurements were performed by means of electrobalance Cahn RG.

Source and Purity of Materials:

1. PBLA: M_w = 12 000. Hexagonal or α-form: prepared by casting from 4 mass% CHCl₄ solution. Tetragonal or ω-form prepared by annealing of α-form films at 423 K.

Estimated Errors:

Mass concentration (m/v) (1): No information given.