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It could also be due to attachment of the silane coupling agent solely on the fiber surface.
Similar to tensile result, an advantage of adding coupling agent was seen to occur at high contentof MCC fiber (10, 20 and 40wt%); the impact strength leveled off.
The silane coupling agents vinyl trimethoxysilane (AH-171) and N-(n-butyl)-3-aminopropyl trimethoxysilane (DYNASYLAN 1189) work as modifiers, and the molar ratio of the reaction is 3:1 (amorphous silica surface hydroxyl : silane coupling agent).
The best evidence for silane-glass chemical bonding involves studies with presilanized glasses where it was shown, by both infrared and Raman spectroscopic studies, that chemical reactions occur between the surface silanols and silanol groups of the coupling agent.
2000) developed a novolak-based HMR (n-HMR) coupling agent that is able to react within 1 hour of mixture at ambient temperature.
The main objective of the preliminary slant shear testing was to find the silane coupling agent that demonstrated the best performance under hygrothermal exposure.
Soucek and coworkers (11-14) showed that alkoxysilanes functioned as a compatalizer and coupling agent in TEOS-based inorganic/organic polyurethane hybrid materials.
The silane coupling agent, gama-aminopropyl triethoxysilane, has proven itself in many industrial applications for its capability to couple phenolic resins to FG (Marsden 1990).
Silanes and maleated polyolefins are the major coupling agent chemicals used to treated fillers and reinforcements.
Concise Analysis of the International and Chinese Silane Coupling Agent Industry"
com/research/ws38rk/global_and) has announced the addition of the "Concise Analysis of the International and Chinese Silane Coupling Agent Industry" report to their offering.
The fillers are usually treated by a coupling agent for the purpose of improving interfacial adhesion and dispersion.
0 wt% coupling agent consisting of a mixture of block copolymers and a maleated polyethylene.
A maleic-anhydride-grafted PE-based modifier, this one is designed to function as a coupling agent in wood- and other natural-fiber composites.
has been granted a patent for a process for preparing a polymer-modified pigment which is comprised of combining, in any order, at least one pigment having attached at least one nucleophilic group comprising a group having the formula X-Sp-[PA], at least one polymer comprising at least one carboxylic acid group or salt thereof, and at least one coupling agent, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, and PA represents a polyamine group, a salt thereof, or an acyl derivative thereof, and wherein PA further comprises at least one substituent group attached to the pigment.