coupling agent


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

cou·pling a·gent

(kŭp'ling ā'jĕnt)
A gel or lotion used to improve contact and reduce friction between transducer and skin during ultrasound examinations and treatments.

coup·ling a·gent

(kŭp'ling ā'jĕnt)
A gel or lotion used to improve contact and reduce friction between transducer and skin during ultrasound examinations and treatmnts.
References in periodicals archive ?
The melt form of coupling agent is separated and cooled to room temperature for later use in composite fabrication.
We believe this happened because MDI acts as a crosslinkable coupling agent in the polyamide phase of PEBA.
A positive correlation was observed between the concentration of the silane coupling agent and the mean values for contact angle measurement for each treatment (Fig.
However, the effect of MAPP coupling agent in improving the tensile strength of rPP is important at high amount of MCC fiber (40wt%).
When the silane coupling agent is the vinyl trimethoxysilane AH-171, C[H.
Coupling agent treatment is one of the traditional methods, which can form a layer on the surface of tetrapod-like nano-ZnO whiskers to reduce van der Waals forces between nanoparticles to make tetrapod-like nano-ZnO disperse uniformly in a resin matrix.
The HMR coupling agent is applied to the wood surface as an aqueous solution with low solids content (5%).
The overall degrees of reaction of the silane with the glass filler (oxane bond formation), with itself (by siloxane formation), and with the resin system (by graft copolymerization) determine the efficacy of the coupling agent.
The surfaces of the two concrete sections were pretreated by the silane coupling agent and bonded by the epoxy adhesive as described below, and were then compared to those without any pretreatment by the silane.
This allows processors to use less coupling agent and cut cost, according to Chemtura's WPC technical leader Bill Sigworth.
Soucek and coworkers (11-14) showed that alkoxysilanes functioned as a compatalizer and coupling agent in TEOS-based inorganic/organic polyurethane hybrid materials.
Phenolic adhesives do not adhere well to FG, so a coupling agent is used to provide an effective chemical link between the adhesive and the FG.