Accession Number : ADA130864

Title :   Structural Gradient in the Silane Coupling Agent Layers and Its Influence on the Mechanical and Physical Properties of Composites.

Descriptive Note : Technical rept.,

Corporate Author : CASE WESTERN RESERVE UNIV CLEVELAND OH DEPT OF MACROMOLECULAR SCIENCE

Personal Author(s) : Ishida,Hatsuo

PDF Url : ADA130864

Report Date : 25 Jul 1983

Pagination or Media Count : 53

Abstract : Studies of the structural gradient within the silane coupling agent interphase are reviewed. Origins of the structural variation in the silane layers are discussed in terms of the silane treating solution and variations in the substrates. The solution pH, concentration, solvent, hydrolysis time and aging time are some of the important parameters identified. Consideration is given to the following categories; the first monolayer on the substrate, the tightly chemisorbed layers near the substrate, the loosely chemisorbed layers in the middle and finally the physisorbed silanes in the outermost layers. The role of these regions in terms of the reinforcement mechanism of composites and the rheology of polymer melts is discussed. Complex formation of silanes with metallic substrates is briefly mentioned. (Author)

Descriptors :   *Silanes, *Coupling(Interaction), *Composite structures, *Structural analysis, Composite materials, Layers, Adhesive bonding, Interfaces, Mechanical properties, Physical properties, Substrates, Matrix materials

Subject Categories : Physical Chemistry
      Laminates and Composite Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE