Examples of 'capping agent' in a sentence
Meaning of "capping agent"
Capping agent: In chemistry, this phrase refers to a substance that is used to limit or control the growth or aggregation of particles, typically in nanoparticle synthesis or similar processes
How to use "capping agent" in a sentence
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capping agent
The coating preferably contains a capping agent.
The capping agent is not present when heated.
A monofunctional phenol may be used as the terminal capping agent.
The capping agent was then added.
Dicyclopentadiene is used in the process of the invention as a capping agent.
A terminal capping agent is generally used for a polymerization reaction.
A polyepoxide is capped when a portion of the epoxy groups are reacted with a capping agent.
A terminal capping agent is generally used in the polymerization reaction.
The exact method of reaction differs according to the nature of the capping agent.
The end capping agent is preferably a monoamine compound or a dicarboxylic acid compound.
Improved results normally can be obtained if the amino alcohol capping agent is branched.
The use of the branched capping agent reduces the toxicity of the final polyurethane.
XRD does not reveal the presence of capping agent.
Preferably, such capping agent contains an amino moiety.
ZAM results from residual capping agent.
See also
The capping agent may be a diol, triol or an amine polyol.
It can be a by-product of a capping agent or a silane coupling agent.
Meanwhile, the first solution to fourth solution may further comprise a capping agent.
Optionally, a capping agent is employed to cap any remaining free isocyanate moieties.
This is followed by addition of an alkenyl succinic anhydride, polyamines and optionally a capping agent.
Termination with the appropriate capping agent affords a route to a variety of a, w-telechelic polymers.
In some embodiments a mono-phenolic UV absorber is used as capping agent.
Plus, the foamy carbon was a slightly-better capping agent because of its free surface area.
For some embodiments a mono-phenolic UV screener is used as capping agent.
Like the drug or drug-linker, the capping agent will be highly selective for reactive thiols.
A semiconductor nanocrystal is, optionally, surrounded by a " coat " of an organic capping agent.
Optionally, a capping agent or chain extender is used in the " end " method.
A process according to any preceding claim, characterized in that the capping agent comprises trimethylchlorosilane.
Examples of the terminal capping agent include monofunctional phenols such as p-tert-butylphenol and p-cumylphenol.
The two-part curable composition of Claim 1 wherein the capping agent is hexamethyldisilazane.
The non-polar capping agent is preferably useful in rubber vulcanization, for example, 2-mercaptobenzothiazole ( MBT ).
A preferred capping agent is,.
A graft copolymer as defined by claim 1, further reacted with a capping agent.
A method according to claim 18, wherein the capping agent is an electrophilic capping agent.
Addition of ( a ) polyethylene glycol group ( s ) could also play the role of a capping agent.
A method according to claim 18, wherein the capping agent is a nucleophilic capping agent.
The resin ( A ) ( i ) can be prepared by reacting a MQ resin with a silanol capping agent.
Providing a mixture of a non-polar end capping agent and the non-polar solvent ;.
The capping agent may be a combination of capping agents, for example a 1:1 DPG-MBT reaction product.
The " beginning " method also optionally uses a capping agent or chain extender.
A preferred capping agent is N-ethyl maleimide ( NEM ).
If necessary providing a mixture of a non-polar end capping agent and the non-polar solvent ;.
In a preferred embodiment, the capping agent of step ( la ) is polyvinylpyrrolidone ( PVP ).
Optionally, a monofunctional capping agent ( C ) may be present.
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