{"compilation": {"title": "Solubility data from IUPAC SDS Volume 70 (page ?) - Carbon dioxide, Methane and Polyimide Kapton H", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Yuri P. Yampol'skii", "sources": [{"citation": "Chern, R. T.; Koros, W. J.; Yui, R.; Hopfenberg, H. B.; Stannett, V. T.; J. Polym. Sci., Polym. Phys. Ed. 1984, 22, 1061.", "pubtype": "paper", "url": "https://doi.org/10.1002/pol.1984.180220610"}], "system": "Carbon dioxide, Methane and Polyimide Kapton H", "substances": [{"constituent": 2, "name": "Copoly(pyromellitic dianhydride-oxydianiline) (PMDA-ODA)", "formula": null, "molweight": 0.0, "casrn": "25036-53-7"}, {"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": "$\\ce{CO2}$ Coleman-grade 99.999%. $\\ce{CH4}$: instrument-grade 99.7%. Kapton H: H. I. DuPont Co.; no glass transition temperature revealed in DSC measurement up to 777 K."}, {"constituent": 1, "name": "Methane", "formula": "CH4", "molweight": 16.0425, "casrn": "74-82-8", "inchi": "InChI=1S/CH4/h1H4", "inchikey": "VNWKTOKETHGBQD-UHFFFAOYSA-N", "sample": "$\\ce{CO2}$ Coleman-grade 99.999%. $\\ce{CH4}$: instrument-grade 99.7%. Kapton H: H. I. DuPont Co.; no glass transition temperature revealed in DSC measurement up to 777 K."}], "method": "A pressure decay method of sorption measurement used was described in detail in [1]. Each isotherm included several consecutive series of runs with stepwise pressure increase. The virgin films were degassed at 333 K for 120 h before measurement.", "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 carbon dioxide and methane in Kapton H at 333 K", "points": [{"pntnum": 1, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "3.80e-01", "significand": "3.80", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "1.2280e+01", "significand": "1.2280", "exponent": "1", "sigfigs": "5", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "2.96e-01", "significand": "2.96", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{atm-1}$"}], "supplemental": []}, {"pntnum": 2, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "7.00e-01", "significand": "7.00", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "2.684e+00", "significand": "2.684", "exponent": "0", "sigfigs": "4", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "1.74e-01", "significand": "1.74", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{atm-1}$"}], "supplemental": []}, {"pntnum": 3, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "4.39e-01", "significand": "4.39", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "1.1817e+01", "significand": "1.1817", "exponent": "1", "sigfigs": "5", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "3.16e-01", "significand": "3.16", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{atm-1}$"}], "supplemental": []}, {"pntnum": 4, "conditions": [], "data": [{"property": "Henry's Law Solubility Coefficient", "number": "7.3e-02", "significand": "7.3", "exponent": "-2", "sigfigs": "2", "unit": "$\\pu{cm3(g) cm-3(s) atm-1}$"}, {"property": "Langmuir sorption capacity parameter", "number": "2.653e+00", "significand": "2.653", "exponent": "0", "sigfigs": "4", "unit": "$\\pu{cm3/cm3}$"}, {"property": "Affinity Coefficient", "number": "1.75e-01", "significand": "1.75", "exponent": "-1", "sigfigs": "3", "unit": "$\\pu{atm-1}$"}], "supplemental": []}]}]}}