Examples of 'diolefin' in a sentence
Meaning of "diolefin"
diolefin (noun): In chemistry, diolefins are hydrocarbons that contain two carbon-carbon double bonds in their structure
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- An olefin that has two double bonds; a diene
How to use "diolefin" in a sentence
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diolefin
Isoprene is the most preferred conjugated diolefin.
Some conjugated diolefin monomers are butadiene and isoprene.
Any anionically polymerizable conjugated diolefin may be used.
A preferred diolefin feedstream contains butadiene.
The continuous domains are rubbery conjugated diolefin domains.
Suitable conjugated diolefin monomers include butadiene and isoprene.
The catalyst thus obtained is used in a selective hydrogenation of a diolefin.
A process for the purification of a diolefin hydrocarbon stream.
Other suitable diolefin materials include natural rubber or synthetic polyisoprene.
The present invention relates to conjugated diolefin copolymer rubber.
Diolefin monomers may also be used in the processes disclosed herein.
Other polymers comprise ethylene and at least one diolefin.
The diolefin monomers used in such polydiene rubbers are normally conjugated diolefins.
The conjugated diene monomer is a diolefin having a pair of conjugated double bonds.
Advantageously water may be used in a molar excess with respect to the conjugated diolefin.
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Most of these diolefin production processes produce undesirable trace quantities of acetylene.
Any chemically functional equivalent of cyclic diolefin oligomers can also be used.
The most preferred diolefin is butadiene and the most preferred vinylaromatic monomer is styrene.
Process for the isomerization of external olefins to internal olefins concomitantly with diolefin hydrogenation.
The resulting styrene derivative or aryl diolefin may be reacted with a phenolic monomer.
The polymers treated according to the process of this invention are hydrogenated conjugated diolefin polymers.
Block copolymers made from styrene and a diolefin are widely used in the production of adhesives.
The aging temperature also had significant effect on polymerization behavior of the diolefin catalyst.
The diolefin monomers used in such low molecular weight polydiene chains are normally conjugated diolefins.
Moreover polymeric materials containing substantial amounts of diolefin do not always have favourable properties.
These conjugated diolefin containing polymers are therefore preferred for the practice of the present invention.
The catalysts are prepared by reacting iridium olefin and iridium diolefin complexes with diphosphines.
Preferably as conjugated diolefin monomers are used butadiene and / or isoprene.
It is preferred that the polymer solvent has a boiling point greater than the diolefin feedstream.
When the diolefin IV.
This method of functionalization incorporates the grafted groups mainly into the conjugated diolefin segments.
Conjugated diolefin monomers containing from 4 to 8 carbon atoms are generally preferred.
Additional alkenyl bridged ring compound can then be produced from this recovered cyclic diolefin monomer.
Copolymer rubber of a conjugated diolefin and an aromatic vinyl compound, wherein.
Diols derived from DIPB such as m or p diols of diisopropylbenzene are acceptable diolefin materials.
The device of claim 3 wherein said diolefin polymer is natural rubber.
Treating a preformed elastomeric polymer so as to incorporate a conjugated diolefin group ;.
A process according to claim 1, wherein the diolefin comprises two molecules of a monoolefin.
For example, diolefin having a pair of conjugated double bonds can be used.
The preferred alkylating agent is a monoolefin, a diolefin or an alcohol.
As the examples of the suitable diolefin type compound, butadiene and isoprene are listed.
B is a polymeric block comprising predominantly conjugated diolefin monomer units ;.
Also, the additional or make up cyclic diolefin is recovered as distillation column overhead.
B ' is a polymer block containing predominantly conjugated diolefin monomer units ;.
It is contemplated that the diolefin feedstream contains diolefins containing from 3 to 5 carbon atoms.
The process of claim 1 in which the aliphatic diolefin is butadiene.
Regarding the diolefin compounds, said feed in particular contains butadiene, isoprene and cyclopentadiene.
The process of claim 1 wherein the conjugated diolefin monomer is butadiene.
Preferred polyolefins are polyethylene, polypropylene or polybutylene or a copolymer thereof with a monoolefin or diolefin.
The process of claim 1 wherein the conjugated diolefin monomer is isoprene.
