Examples of 'free-radical initiator' in a sentence
Meaning of "free-radical initiator"
Free-radical initiator: In chemistry, a free-radical initiator is a substance that starts a chemical reaction leading to the formation of free radicals. Free radicals are molecules with unpaired electrons that can cause chain reactions by capturing electrons from other molecules
How to use "free-radical initiator" in a sentence
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free-radical initiator
X is a group derived from a free-radical initiator.
The free-radical initiator advantageously may also be a photoinitiator.
They depend particularly on the free-radical initiator used.
A free-radical initiator is included in the process of the invention.
A presently preferred water-soluble free-radical initiator is ammonium persulfate.
A free-radical initiator such as an organic peroxide can be employed.
Free radicals are typically formed by the decomposition of a free-radical initiator.
A water soluble free-radical initiator is then added.
Free-radical initiator is fed into the vessel by a separate line.
In another example, a second free-radical initiator may be added to the polymerization.
Compositions of the inventions have photoinitiator systems containing a free-radical initiator.
The free-radical initiator is typically soluble in the polymerizable mixture.
The reaction system uses a free-radical initiator and teogenic modifier.
A free-radical initiator such as an organic peroxide can be employed but is not necessary.
The catalyst system comprises a free-radical initiator and a transition-metal catalyst.
See also
The polymerization may be performed in the presence of at least one free-radical initiator.
Selection of the free-radical initiator can depend on reaction temperature.
Mixture is therefore prepared comprising the initial monomers as well as a free-radical initiator.
Preferably, this free-radical initiator does not also function as a crosslinking agent.
The reaction can be performed at elevated temperature in the presence of a free-radical initiator.
Any conventional initiator or free-radical initiator used in radical polymerization may be suitable.
Aqueous solution copolymerization in the presence of a water soluble free-radical initiator is preferred.
Gradual addition of the free-radical initiator results in an enhanced yield of the copolymer.
For example, the polymerization or copolymerization of a diene requires the presence of a free-radical initiator.
The grafting reaction is initiated by a free-radical initiator which is preferably an organic peroxygen compound.
The free-radical initiator may be any of a diverse number of well known conventional initiators.
The polymerisation step d is advantageously effected by free-radical polymerisation by means of a free-radical initiator.
Those polymers can be prepared with a free-radical initiator at high temperatures and high pressure.
A free-radical initiator to assist with inducing polymerization and various suspending agents are also employed.
The grafting can be carried out in the presence of a free-radical initiator dissolved in oil.
The monomers and free-radical initiator can be combined and reacted in any desired way.
The free-radical reaction takes place in a solvent medium in the presence of a free-radical initiator.
Curing the resin in the presence of a free-radical initiator to produce the cured, plastic article.
Polymerization mixtures for the production of polymers of the disclosure typically include a free-radical initiator.
The free-radical initiator can be selected from the conventional initiators for free-radical styrene polymerization.
The liquid coating composition of claim 1 additionally comprising a cure-promoting catalyst different from said free-radical initiator.
The free-radical initiator can be selected from the conventional initiators for free-radical styrene polymerisation.
Preferably, an initiator is used, such as a free-radical initiator.
The copolymer may optionally comprise free-radical initiator molecules and additional regulators or chain-transfer agents.
The copolymer of claim 10 prepared employing a free-radical initiator.
The free-radical initiator is preferably a peroxide, hydroperoxide, or azo compound.
The composition of claim 5, wherein the free-radical initiator is a photoinitiator.
The free-radical initiator serves to initiate polymerization of the ( meth ) acrylic compounds.
According to the invention, the free-radical initiator is an organic compound.
The curable composition of claim 1, further comprising a free-radical initiator.
The free-radical initiator is preferably an alkali metal persulphate ( especially sodium persulphate ).
Process according to claim 1, characterized in that a free-radical initiator is present.
Any water-soluble, free-radical initiator may be used as the polymerization initiator of this process.
The monomer mixture / polymer blend is combined with a free-radical initiator.
The free-radical initiator may especially be azobisisobutyronitrile or tert-butyl peroxy-2-ethylhexanoate.
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