| On the Role of Block Copolymer Additives for Calcium Carbonate Crystallization - neutron scattering investigation by applying contrast variation (2004) | |||||||||||
Abstract | |||||||||||
| JOURNAL CHEMICAL PHYSICS VOLUME NUMBER MAY the role block copolymer additives for calcium carbonate crystallization Small angle neutron scattering investigation applying contrast variation Hitoshi Endoa Max Planck Institut fur Kolloid und Grenz achenforschung Kolloidchemie Potsdam Germany and Institut fur Festkorperforschung Forschungszentrum Julich Julich Germany Dietmar Schwahn Institut fur Festkorperforschung Forschungszentrum Julich Julich Germany Helmut Colfen Max Planck Institut fur Kolloid und Grenz achenforschung Kolloidchemie Potsdam Germany Received October accepted February The role the double hydrophilic block copolymer poly ethylen glycol block poly methacrylic acid PEG PMAA the morphogenesis calcium carbonate CaCO was studied applying the contrast variation small angle neutron scattering technique The morphology and size CaCO crystals strongly affected the addition PEG PMAA order determine the partial scattering functions the polymer and CaCO mineral developed both experimental and theoretical approach with sophisticated method their determination from the scattering intensity Partial scattering functions give detailed information for each component particular the partial scattering function the polymer shows monotonic slope with where the scattering vector low which clear evidence that the polymer within the CaCO mineral has mass fractal dimension The other partial scattering functions ected the geometry the CaCO particles the interaction polymer and CaCO micro | |||||||||||
Publication details | |||||||||||
| |||||||||||