Examples of 'alkylene oxides' in a sentence
Meaning of "alkylene oxides"
Alkylene oxides are a class of organic compounds that contain a ring structure with oxygen atoms. They are primarily used in the production of various chemicals, such as detergents, plastics, and pharmaceuticals
How to use "alkylene oxides" in a sentence
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alkylene oxides
Another class of linkers useful are alkylene oxides.
The alkylene oxides can be added randomly or in blocks.
One or more kinds of alkylene oxides can be used.
Alkylene oxides contain an epoxide group.
Other mixtures of alkylene oxides may also be used.
The condensed parts essentially comprise alkylene oxides.
Suitable alkylene oxides are ethylene oxide.
These can be modified by alkylene oxides.
The alkylene oxides can be fed as a liquid or as a gas.
Mixtures of any above alkylene oxides may also be employed.
The production of alkylene glycols by hydrolysis of alkylene oxides is known.
The epoxides may be alkylene oxides or arylalkylene oxides.
It is also possible to cause several different alkylene oxides to react.
These adducts of alkylene oxides are preferably those of ethylene oxide.
The alkoxylation of alcohols with alkylene oxides is well known.
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Preferred alkylene oxides are propylene oxide and ethylene oxide.
This sequential addition of blocks of alkylene oxides can be repeated.
Those alkylene oxides may be used alone or in an admixture thereof.
Mixtures of two or more alkylene oxides can also be used.
Various alkylene oxides can be polymerized sequentially to make block copolymers.
Mixtures of two or more such alkylene oxides can be employed if desired.
The alkylene oxides may be both random coupled and coupled in blocks.
As such blocks of different alkylene oxides are added to the polyether polyol.
The polyoxyalkylene chains are preferably prepared from one or more alkylene oxides.
Particularly preferred alkylene oxides are propylene oxide and butylene oxide.
The butylene oxide may include minor amounts of other alkylene oxides.
Various types of alkylene oxides can be used to form the polymer.
Polyether polyols are obtainable by reacting polyfunctional alcohols or amines with alkylene oxides.
Examples of alkylene oxides include ethylene oxide and propylene oxide.
Polydimethylsiloxanes prepared as copolymers with alkylene oxides are widely used as surfactants.
Mixtures of alkylene oxides most often produce randomly distributed alkylene oxide units.
Mixtures of any of the above alkylene oxides may also be employed.
The alkylene oxides may be added as mixtures or added sequentially to produce block copolymers.
It will be appreciated that the alkylene oxides may also be used in combination.
The initiator compound contains at least two hydrogen atoms reactive to alkylene oxides.
The preparation of alkylene oxides is well known to the skilled person.
These catalysts were found highly active in the polymerization of alkylene oxides to obtain polyols.
Also mixtures of alkylene oxides and of the various alcohols may be used.
The catalyst of the invention allows efficient isomerization of alkylene oxides to allylic alcohols.
Mixtures of alkylene oxides such as ethylene oxide and propylene oxide may be employed.
Polyether polyols prepared by polymerizing alkylene oxides often contain unsaturated compounds.
The polymer typically comprises the reaction product of an initiator and alkylene oxides.
There are some disadvantages of polymerizing alkylene oxides using these strongly basic catalysts.
The alkylene oxides can be fed into the reaction vessel as either a gas or a liquid.
Combinations of the above mentioned alkylene oxides may be used in random or block polymers.
Alkylene oxides suitable for use in accordance with the present invention are commercially available.
Successive addition of different alkylene oxides will result in block copolymeric polyether polyols.
The catalyst complex of the invention is useful to polymerize alkylene oxides to make polyethers.
Catalysts for polymerization of alkylene oxides with the initiator can be either anionic or cationic.
Any catalyst which enhances the rate of polymerization of alkylene oxides is useful herein.
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Examples of using Alkylene
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Said alkylene groups are preferably oxyethylene motifs
In a further embodiment alkylene includes lower alkylene
Alkylene is understood as meaning a saturated hydrocarbon chain
Examples of using Oxides
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Produces oxides of sulphur and nitrogen on combustion
They are always getting encrusted with oxides
Tin forms oxides as dominating corrosion products
