coupling agent


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coupling agent

[′kəp·liŋ ‚ā·jənt]
(chemistry)
A substance that can react with both reinforcement and matrix components of a composite material to form a binding link at their interface.
References in periodicals archive ?
When the concentration of the silane coupling agents was increased, a concomitant increase in the Si content was observed in the atomic mapping of the treated fibers.
From Figures 2 and 3, it is noticed that the incorporation of MCC fiber did also produce positive outcome on the mechanical properties of recycled PP (Young's modulus and impact strength), irrespectively whether the coupling agent is present or not.
Silane coupling agents are used as modifiers, and the product obtained is the modified amorphous silica with better performance.
In order to enhance our understanding of how the chemical structure of silane coupling agents can affect the properties of dental composites, we investigated the effects of increasing the hydrocarbon-connecting segment of the methacrylic silane coupling agent from three to ten methylene units as shown in Fig.
To prepare each silane solution, 1 wt% of the selected coupling agent was added to a 90:10 mixture by weight of ethanol:deionized water.
Tetraethyl orthosilicate (TEOS), trimethylolpropane triacrylate (TMPTA), and the coupling agent, 3-(triethoxysilyl) propyl isocyanate (TEOSPI), were also obtained from Aldrich.
The HMR coupling agent, patented by the USDA Forest Service, Forest Products Laboratory (FPL) (Vick et al.
This analysis details the current and future market for modified fillers/fibers in plastics applications as well as coupling agents and other surface modification additives.
The silane coupling agent industry import/export consumption, supply and demand figures and cost price and production values are also provided.
It is observed that the silane coupling agent was not seriously destroyed at the extrusion temperature.
The coupling agent for these applications, hydroxymethylated resorcinol (HMR), was recently improved by using a novolak version (n-HMR) to reduce reaction time.