A prepolymer and products made from the preoplymer is described.
The prepolymer is preferably an acrylate or methacrylate terminated prepolymer.
The prepolymer composition can be combined with a promoter which causes the prepolymer composition to cure.
A modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added.
A preferred polyurethane prepolymer is polytetramethylene ether glycol terminated toluene diisocyanate prepolymer.
Preferably, the pre-polymer solution is a polyurethane pre-polymer.
Preferably, acrylate is used to add one or more vinyls to the backbone of the pre-polymer to form an acrylated pre-polymer.
Preferably, acrylate is used to add one or more vinyls to the backbone of the pre-polymer to form an acrylated pre-polyrøer.
The binder is preferably formed by a pre-polymer reacting with water.
It can be a monomer, polymer, or any variant reaction of isocyanates quasi-pre-polymer, or a pre-polymer.
Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.
The invention also relates to an aqueous dispersion comprising the polyurethane prepolymer and a coating obtainable from the prepolymer.
The prepolymer is advantageously modified by a polyamine.
The blend may be a dual blend with a TDI-based polyurethane prepolymer blended with a second diisocyanate polyurethane prepolymer, typically a PPDI-based polyurethane prepolymer.
The invention also provides an actinically crosslinkable prepolymer including hydrolyzable units and use of the prepolymer of the invention.
Diallyl phthalate prepolymer, in the form of powder
No prepolymer step is necessary in the method.
Diallyl phthalate prepolymer, in powder form
Diallyl phthalate prepolymer, in powder form
Diallyl phthalate prepolymer, in powder form
A hot melt moisture cure polyurethane adhesive composition includes at least one polyurethane prepolymer.
The globular droplets of the prepolymer can be formed by adding the prepolymer to a solvent phase containing a phase separator previously added thereto.
The carbon nanotubes are added to the prepolymer and/or the polyol before and/or during the mixing of the prepolymer with the chain extender.
The production of the prepolymers occurs in two stages.
Diallyl phthalate prepolymer, in the form of powder
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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