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 ?
Composite was also fabricated through melt mixing of PVC, wood flour and coupling agent using internal mixer.
We used small amounts of coupling agent (2 wt%) to prevent detrimental mechanical properties.
In contrast, with the OTES coupling agent the long chain length of the aliphatic side group may have hindered its penetration into the fibers.
The variation of tensile strength and modulus of rPP/MCC composites with and without MAPP coupling agent are depicted in Figure 1.
Surface hydroxyl number and modification degree of amorphous silica modified with silane coupling agent
The acetone solution containing a silicone coupling agent, along with a certain quantity of tetrapod-like nano-ZnO whiskers, was dispersed ultrasonically using a KQ-100 ultrasonic instrument and then dried with an electro-thermal vacuum oven after filtration.
To improve the bonding strength of FRP to wood, a coupling agent is often used.
For most mineral reinforced dental composites, the primary interphasial linkage between the polymer matrix and the filler phase is by chemical bond formation, mediated by a dual functional organosilane, termed a silane coupling agent.
For different surface conditions of the concrete, two types of silane coupling agents were used in the preliminary slant shear testing to compare their contribution to the enhancement of the durability with hygrothermal exposure: (1) epoxy-functional silane coupling agent (3-glycidoxypropyltrimethoxysilane, Acros Organics, 97%) and (2) amino-functional silane coupling agent (3-amino-propyltrimethoxysilane, Alfa Aesar, 97%).
A "next-generation" coupling agent for wood-plastic composites (WPCs) is said to promise significantly higher efficiency than existing products.
Dual UV and moisture curable acrylated polyester, organic/inorganic hybrid coatings were prepared using a coupling agent and tetraethylorthosilicate (TEOS) oligomers.