Examples of 'polyurethane prepolymers' in a sentence
Meaning of "polyurethane prepolymers"
polyurethane prepolymers - Polyurethane prepolymers are chemical compounds that contain reactive isocyanate groups. They are commonly used in the production of polyurethane foams, coatings, adhesives, and sealants due to their versatility and performance properties
How to use "polyurethane prepolymers" in a sentence
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polyurethane prepolymers
The latter are polyurethane prepolymers dissolved in solvent.
A catalyst may be used in the preparation of the above mentioned polyurethane prepolymers.
Other polyurethane prepolymers may also be employed.
These acrylic polymers react with isocyanate to incorporate themselves into the polyurethane prepolymers.
The polyurethane prepolymers may be used singly or in combination.
This process requires polyurethane modification to incorporate the double bond functionality into the polyurethane prepolymers.
Polyurethane prepolymers are known in the art.
Preference is particularly given to the polyurethane prepolymers obtained by reaction,.
Polyurethane prepolymers are conventionally obtained by reacting diols with diisocyanates.
A polyurethane-forming mixture can also include polyurethane prepolymers.
Polyurethane prepolymers are conventionally obtained by reacting polyols with isocyanates.
In this respect, preference is given to the polyurethane prepolymers obtained by reaction,.
The polyurethane prepolymers of the invention may further comprise a plasticizer.
The particles contain a curing agent for polyisocyanate-functional polyurethane prepolymers.
The polyurethane prepolymers already known are not completely free of migration.
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The materials most suited for such an extrusion are single-component polyurethane prepolymers in paste form.
Polyurethane prepolymers containing free isocyanate groups are obtained without a solvent or in solution.
Polyfunctional epoxy prepolymers, alkyds, and polyurethane prepolymers are also usable as hydroxyfunctional aminoplast-reactive materials.
Polyurethane prepolymers having isocyanate end groups are well known in the art.
Preferably, the formualtions of the present invention include polyurethane prepolymers which are not internal surfactants.
The polyurethane prepolymers are reacted with a hydroxyacrylate monomer to form a urethane acrylate.
One particular embodiment of the invention employs one or more isocyanate-functionalized polyurethane prepolymers in Component A.
Polyurethane prepolymers which contain free isocyanate groups are thus obtained as such or in solution.
Polyurethane-forming materials include, for example, polyurethane prepolymers.
The production of polyurethane prepolymers using polyols and polyisocyanates is well known in the art.
Polyurethane-forming compounds include, for example, polyurethane prepolymers.
Polyurethane prepolymers useful for forming latexes are often not low viscosity liquids at ambient conditions.
All examples include TDI-only-based polyurethane prepolymers.
Polyurethane polymers and polyurethane prepolymers used herein are prepared from polyisocyanates and active hydrogen compounds.
Especially suitable isocyanate-reactive materials include hydroxy-functional polyesters, polyacrylates, and polyurethane prepolymers.
In father embodiments, the polyurethane prepolymers include acrylate or methacrylate endgroups.
EP 308115 presents an overview of suitable polyols and polyisocyanates for such polyurethane prepolymers.
Isocyanate-terminated polyurethane prepolymers are available commercially or may be obtained by well established procedures.
Methods of preparing polyurethane prepolymers, and silylated polyurethane prepolymers are well known in the art.
OH-functional polyurethane prepolymers can be chain extended for example with polyisocyanates.
Generally, polyurethane prepolymers are suitable, and optimally, an isocyanate-capped prepolymer is used.
A, and Baytec ® Polyurethane prepolymers from Bayer MaterialSciences.
Patent 3,294,724 describes polyurethane prepolymers comprising an organic diisocyanate and a polymeric diol containing a branched polyoxyalkylene chain.
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I love the smell of polyurethane in the morning
Examples of using Prepolymers
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The latter are polyurethane prepolymers dissolved in solvent
Prepolymers did undergo polymerization already to some extent
The preferred monomers or prepolymers are described below
