Examples of 'isocyanate-terminated' in a sentence
Meaning of "isocyanate-terminated"
isocyanate-terminated (verb): A chemical process or reaction involving the termination with isocyanate (any of a class of organic compounds containing the isocyanate group) in scientific or industrial fields
How to use "isocyanate-terminated" in a sentence
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isocyanate-terminated
The isocyanate-terminated polymer is typically a gel.
A chain extender reactive with said isocyanate-terminated prepolymer.
Isocyanate-terminated prepolymers may also be employed.
The term isocyanate also includes isocyanate-terminated prepolymers.
An isocyanate-terminated polyurethane prepolymer formed by reacting at least.
The objective of this invention is to provide an isocyanate-terminated prepolymer.
Any isocyanate-terminated prepolymers may be used herein.
In certain embodiments, a polyisocyanate prepolymer comprises an isocyanate-terminated polyformal prepolymer.
Isocyanate-terminated oligomers and polymers are also suitable.
In certain embodiments, a polyisocyanate prepolymer comprises an isocyanate-terminated polythioether prepolymer.
An isocyanate-terminated polyurethane prepolymer comprising the reaction product of,.
Polyurethane sealant and coating compositions typically are based on isocyanate-terminated prepolymers.
A mixture of isocyanate-terminated polyether prepolymers formed from the reaction of,.
The polyurethane prepolymer component includes at least one isocyanate-terminated prepolymer.
The preparation of isocyanate-terminated prepolymers is well known in the art.
See also
Another objective of this invention is to provide a method for prepraing an isocyanate-terminated prepolymer.
Isocyanate-terminated prepolymers may also be employed in the present invention.
At this point one may then add the isocyanate-terminated prepolymers to the mixture.
The isocyanate-terminated prepolymer can be prepared utilizing generally known procedures.
The above components may be reacted simultaneously or sequentially to produce the isocyanate-terminated prepolymer.
The thus formed isocyanate-terminated prepolymer is chain-extended with a diamine.
Suitable organic solvents are those previously described for use in preparing the isocyanate-terminated prepolymer.
Other isocyanate-terminated prepolymers known in the art may also be used.
The resulting functional group from the reaction of amine with isocyanate-terminated polymers is urea.
Isocyanate-terminated polyurethane prepolymers are available commercially or may be obtained by well established procedures.
The precursor materials include an isocyanate-terminated compound and at least one isocyanate-reactive material.
Dihydric alcohols are the preferred low molecular weight isocyanate-reactive component for preparing the isocyanate-terminated prepolymers.
The isocyanate-terminated polyether or polyester can be produced from diphenyl methane diisocyanate.
Continuous process polymerization - An isocyanate-terminated prepolymer is formed.
A second isocyanate-terminated prepolymer comprising the reaction product of a polyether glycol and a polyisocyanate ;.
Preferably the NEP is present during the formation of the isocyanate-terminated prepolymer.
Such blends also constitute isocyanate-terminated prepolymer compositions according to the invention.
Example 1 The following polyoxypropylene polyoxyethylene polyols were used to prepare isocyanate-terminated prepolymers,.
An optional component of the isocyanate-terminated polyurethane prepolymer is a compound comprising an ionizable moiety.
Ingredient Proportions Normally, the prepolymer produced in the present invention will be isocyanate-terminated.
Viscosity-stable isocyanate-terminated prepolymers and polyoxyalkylene polyether polyols having improved storage stability.
As described herein, it is comprised of an isocyanate-terminated prepolymer.
The isocyanate-terminated prepolymer may be dispersed in water using techniques well known in the art.
The component A refers to the part of Isocyanate-terminated prepolymer in the description.
The isocyanate-terminated prepolymers are prepared by reacting toluene diisocyanate with a polyol component as described below.
A di - or polyisocyanate or an isocyanate-terminated prepolymer, to produce a polyurethane ;.
The polyurethane may be hydroxyl-terminated or isocyanate-terminated.
The acid-containing isocyanate-terminated prepolymers are prepared by reacting the graft copolymer with a polyisocyanate.
A ratio of less than 1 will tend to provide isocyanate-terminated polymers.
The isocyanate-terminated prepolymer, chain extender, and water previously described are the required system components.
A di - or polyisocyanate or an isocyanate-terminated prepolymer, to form a polyurethane ;.
The isocyanate-terminated prepolymer A may comprise one or more than one isocyanate-terminated prepolymer A.
Thus, the product of this reaction is a chain-extended isocyanate-terminated prepolymer.
A first isocyanate-terminated prepolymer comprising the reaction product of an essentially semicrystalline hydroxy-functional material and a polyisocyanate ;.
Forming a solution of an anionic water-dispersible isocyanate-terminated polyurethane in at least one vinyl monomer ;.
