Examples of 'polyurethane prepolymer' in a sentence
Meaning of "polyurethane prepolymer"
polyurethane prepolymer - A type of material used in the production of various products
How to use "polyurethane prepolymer" in a sentence
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polyurethane prepolymer
Characterization of the polyurethane prepolymer having cyclocarbonate end.
Some are first combined with an isocyanate to form a polyurethane prepolymer.
The polyurethane prepolymer dissolved in the monomers to form a solution.
The invention also relates to a novel polyurethane prepolymer useful therein.
The polyurethane prepolymer can optionally be chain extended by a chain extending agent.
This adhesive is a moist curling polyurethane prepolymer of the hot melt type.
The polyurethane prepolymer is a product formed by a reaction between a polyol and a diisocyanate.
Polyurethane is the product of a reaction between a polyurethane prepolymer and a curing agent.
The anionic polyurethane prepolymer used in the process is prepared by conventional methods.
The polyurethane matrix is prepared using a room temperature curing polyurethane prepolymer.
The present invention is a polyurethane prepolymer comprising the reaction product of.
The polyurethane dispersions of the present invention are prepared from a nonionic polyurethane prepolymer.
Suitable catalysts for moisture curing polyurethane prepolymer resin systems are well known.
A polyurethane prepolymer useful with the present invention can be an isocyanate terminated prepolymer.
This patent does not teach combining a blocked polyurethane prepolymer with a plastisol.
See also
Parts of the polyurethane prepolymer was placed into a beaker and stirred at high shear.
Polyurethane compositions comprising the reaction of a polyurethane prepolymer and a curing agent are disclosed.
The polyurethane prepolymer having pendant quaternary ammonium salts is dispersed in the aqueous solution.
These casting materials employ a water activatable polyurethane prepolymer which contains a dimorpholinodiethylether catalyst.
The elasticity of certain types of Spandex filaments are rapidly affected by the polyurethane prepolymer.
A bead of cyclosilazane endcapped polyurethane prepolymer was similarly applied to another set of the panels.
The following examples illustrate the stability and compatibility of polyurethane prepolymer with the TPE rubber.
Dispersions of the quaternized polyurethane prepolymer can be made with the use of a suitable surfactant.
It is a pasty substance, the main component of which is a polyurethane prepolymer.
This means that the polyurethane prepolymer tends to be formed with residual isocyanate groups.
Optionally the salt forming compound can be added to this polyurethane prepolymer reaction mixture.
This ensures that a polyurethane prepolymer having terminal isocyanate groups is formed as a reaction product.
In another embodiment of the present invention the polyurethane prepolymer does not comprise double bonds.
The aqueous polyurethane prepolymer dispersion without chain extender exhibited the highest heat resistance.
Neutralisation may proceed before or after the reaction of the polyurethane prepolymer with a chain extender.
The isocyanate functional polyurethane prepolymer containing carboxylic acid groups is prepared in a conventional way.
Formation of a water dispersible NCO-terminated polyurethane prepolymer comprising ;.
After neutralisation the polyurethane prepolymer or the final polyurethane is converted into the aqueous phase.
Thereupon, the transfer printed casting tape is treated to apply a polyurethane prepolymer.
The isocyanate groups of the polyurethane prepolymer react with the water in the substratum.
Figure 1 shows a reaction scheme for the formation of a conventional polyurethane prepolymer.
In this manner, a polyurethane prepolymer solution was obtained.
Coating the plurality of infill granules with the polyurethane prepolymer component ;.
A polyurethane prepolymer comprising the reaction product of,.
In one preferred embodiment, a polyurethane prepolymer is used.
Thus, a polyurethane prepolymer as a cationic oligomer precursor is obtained.
A method according to claim 9 wherein the polyurethane prepolymer comprises a diisocyanate.
The polyurethane prepolymer component includes at least one isocyanate-terminated prepolymer.
In a second method, a polyurethane prepolymer is formed.
In a preferred aspect, the present invention utilizes a hydroxyl-terminated polyurethane prepolymer.
An isocyanate-terminated polyurethane prepolymer formed by reacting at least.
Optionally, dihydroxy carboxylic acids may be used when preparing the polyurethane prepolymer.
In embodiments, the polyurethane prepolymer is oligomeric.
The process according to claim 1 wherein step a comprises forming the isocyanate polyurethane prepolymer by reacting,.
An isocyanate-terminated polyurethane prepolymer comprising the reaction product of,.
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Examples of using Polyurethane
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Examples of using Prepolymer
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It corresponds to a prepolymer with a high degree of hydrolysis
Prepolymer mixtures may include or consist of oligomers
The maximum amount of prepolymer is not critical
