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6267020 
Journal Article 
The effect of silane coupling agent and microfiller on the strength of phenol-formaldehyde resin concrete 
Khandelwal, BL; Krishnamoorthy, S; Sood, RK 
1984 
6 
2 
93-98 
Phenol-formaldehyde resin-quartzite aggregate composites have been investigated for the effect of silane coupling agent (γ-aminopropyltriethoxy silane) and a microfiller, CaCO3, on their compressive strength. The integral blend additive method of application of the coupling agent was used in the preparation of samples. Both silane and microfiller additives have been seen to facilitate bonding between resin and the aggregates and consequently result in improved strength. Infrared studies have indicated that silane bonds chemically with siliceous aggregates. 
Resin concrete; epoxy resins; composite materials; phenol-formaldehyde resins; thermosetting resins; fillers; chemical analysis; infrared spectra; electron microscopy; compressive strength; construction materials; chemical bonds