Research Initiation:  Volume Change Kinetics in             Near-Critical Gels
{'Code': '07020000', 'Directorate': {'Abbreviation': 'ENG', 'LongName': 'Directorate For Engineering'}, 'Division': {'Abbreviation': 'CBET', 'LongName': 'Div Of Chem, Bioeng, Env, & Transp Sys'}}
{'SignBlockName': 'Jeffrey Foltz', 'PO_EMAI': 'jfoltz@nsf.gov', 'PO_PHON': '7032924231'}
Abrupt volume change near a critical point is a unique property                 of polymer gels on which many commercial products are being                     developed.  This project undertakes a comprehensive study of                    volume change kinetics in gels near the critical point.  A range                of supercritical and subcritical gels will be created by                        copolymerizing isopropylacrylamide with diethylacrylamide or                    acrylic acid.  The kinetics of volume changes will be determined                by measuring the change in mass by weighing and the change in                   dimension with a videomicroscope system.                                                                                                                        The objectives are to tie the broad range of kinetic phenomena                  together: continous and discontinous volume changes; swelling and               shrinking; volume changes induced by variations in pH, solvent,                 ionic strength, and temperature; and the effect of changes in gel               structure.  The results will provide data needed for                            application-oriented research, clarify the relative rates of                    these changes, and guide development of an appropriate                          mathematical model.
{'FirstName': 'Stevin', 'LastName': 'Gehrke', 'PI_MID_INIT': 'H', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Stevin H Gehrke', 'EmailAddress': 'shgehrke@ku.edu', 'NSF_ID': '000403075', 'StartDate': '06/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Cincinnati Main Campus', 'CityName': 'CINCINNATI', 'ZipCode': '452202872', 'PhoneNumber': '5135564358', 'StreetAddress': '2600 CLIFTON AVE', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Ohio', 'StateCode': 'OH', 'CONGRESSDISTRICT': '01', 'CONGRESS_DISTRICT_ORG': 'OH01', 'ORG_UEI_NUM': 'DZ4YCZ3QSPR5', 'ORG_LGL_BUS_NAME': 'CINCINNATI UNIV OF', 'ORG_PRNT_UEI_NUM': 'DZ4YCZ3QSPR5'}
{'Name': None, 'CityName': None, 'StateCode': None, 'ZipCode': None, 'StreetAddress': None, 'CountryCode': None, 'CountryName': None, 'StateName': None, 'CountryFlag': None, 'CONGRESSDISTRICT': None, 'CONGRESS_DISTRICT_PERF': '""'}
{'Code': '141700', 'Text': 'Interfacial Engineering Progra'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1988&All=true', 'xml': '8809271.xml'}