{"compilation": {"title": "Solubility data from IUPAC SDS Volume 70 (page ?) - Carbon dioxide with Methane and Carboxylated Poly(phenylene oxide) (CPPO)", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Yuri P. Yampol'skii", "sources": [{"citation": "Story, B. J.; Koros, W. J.; J. Appl. Polym. Sci. 42, 2613 (1991).", "pubtype": "paper", "url": "https://doi.org/10.1002/app.1991.070420926"}], "system": "Carbon dioxide with Methane and Carboxylated Poly(phenylene oxide) (CPPO)", "substances": [{"constituent": 1, "name": "Carbon dioxide", "formula": "CO2", "molweight": 44.0095, "casrn": "124-38-9", "inchi": "InChI=1S/CO2/c2-1-3", "inchikey": "CURLTUGMZLYLDI-UHFFFAOYSA-N", "sample": "CPPO: prepared via lithiation into methyl groups with BuLi/THF with subsequent carboxylation and acidification. The average content of COOH groups per repeat unit was 0.22."}, {"constituent": 3, "name": "Carboxylated Poly(phenylene oxide) (C-PPO)", "formula": null, "molweight": 0.0, "casrn": "poly-005"}, {"constituent": 2, "name": "Methane", "formula": "CH4", "molweight": 16.0425, "casrn": "74-82-8", "inchi": "InChI=1S/CH4/h1H4", "inchikey": "VNWKTOKETHGBQD-UHFFFAOYSA-N"}], "method": "A standard pressure decay system [1] was used in pure gas sorption. Mixed gas sorption experiments were performed using a special apparatus having additional chambers for preparation and chromatographic sampling of gas mixtures.", "reference": {"citation": "Koros, W. J.; Paul, D. R.; J. Polym. Sci., Polym. Phys. Ed., 1976, 14, 1903.", "pubtype": "paper", "url": "https://doi.org/10.1002/pol.1976.180141014"}, "dataset": [{"series": 1, "title": "Dual mode sorption parameters for various gases in CCPO at 308 K", "points": [{"pntnum": 1, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "7.918e-01", "significand": "7.918", "exponent": "-1", "sigfigs": "4", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "2.628e+01", "significand": "2.628", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "2.852e-01", "significand": "2.852", "exponent": "-1", "sigfigs": "4", "unit": "$\\pu{atm-1}$"}], "supplemental": []}, {"pntnum": 2, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "2.981e-01", "significand": "2.981", "exponent": "-1", "sigfigs": "4", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "1.553e+01", "significand": "1.553", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "1.254e-01", "significand": "1.254", "exponent": "-1", "sigfigs": "4", "unit": "$\\pu{atm-1}$"}], "supplemental": []}]}]}}