Examples of 'blocked polyisocyanate' in a sentence
Meaning of "blocked polyisocyanate"
blocked polyisocyanate ~ a substance that has been obstructed or restricted in its ability to freely flow, particularly a type of chemical compound known as polyisocyanate
How to use "blocked polyisocyanate" in a sentence
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blocked polyisocyanate
The blocked polyisocyanate is stable at room temperature.
Preparation of a transitorily and partially blocked polyisocyanate.
The blocked polyisocyanate is stable at room temperature and heat.
Such a system may contain a blocked polyisocyanate.
The blocked polyisocyanate is left in solution after the reaction is complete.
Preferably the polyisocyanate is a blocked polyisocyanate.
Preferably the resulting blocked polyisocyanate contains no free isocyanate groups.
Preferably the dispersion is an emulsion or sol of blocked polyisocyanate in water.
The resulting blocked polyisocyanate is then recovered and may be isolated or purified.
Means for removing the aqueous blocked polyisocyanate emulsion.
A blocked polyisocyanate can be prepared by reacting one of the above polyisocyanates with a blocking agent.
Any polyisocyanate is usable to form the partially or fully blocked polyisocyanate.
Preparing a blocked polyisocyanate crosslinking agent ;.
Usually these resins are used in combination with blocked polyisocyanate curing agents.
A blocked polyisocyanate crosslinking agent ; and.
See also
A second approach is the reaction between a blocked polyisocyanate and a polyamine or polyol.
A glycidyl containing copolymer having free hydroxyl groups is reacted with a partially blocked polyisocyanate.
The above described EVA is associated with a blocked polyisocyanate in the composition for adhesive.
A blocked polyisocyanate according to any one of the preceding claims wherein m is from 2 to 6.
This is generally the case when the crosslinker is a blocked polyisocyanate or a melamine formaldehyde.
Typically, the blocked polyisocyanate systems use saturated polyester resin as the main binder.
The second and third methods relate to the use of blocked polyisocyanate crosslinkers.
Preferably, a fully blocked polyisocyanate is used as a crosslinking agent.
Examples of suitable crosslinking agents include aminoplast and blocked polyisocyanate crosslinking agents.
The blocked polyisocyanate must be cross-linked with a suitable high molecular weight saturated polyester resin.
A crosslinking initiator may be employed in the reaction of the blocked polyisocyanate with the polyol.
A blocked polyisocyanate according to claim 3 wherein at least one group Y is.
Preferably, the crosslinking agent is a blocked polyisocyanate.
A blocked polyisocyanate an isocyanate-reactive material, and.
Most often, the polyisocyanate is a blocked polyisocyanate.
A blocked polyisocyanate bearing blocking groups derived from a branched alkyl pyrazole according to claim 18 or claim 19.
Preferably, the polyisocyanate compound is a partially blocked polyisocyanate.
Acrylate-styrene resins cross-linked by a blocked polyisocyanate preparation and uses as paint and / or lacquer.
The coating composition of claim 5 wherein the curing agent is a blocked polyisocyanate.
At least one blocked polyisocyanate of formula ( II ) wherein.
A process according to claim 1, wherein the crosslinker comprises a blocked polyisocyanate compound.
An example of an externally blocked polyisocyanate is the e-caprolactam blocked Vestagon EP B 1400 from CreaNova.
The coating composition of claim 8 wherein the crosslinking agent is a blocked polyisocyanate.
A presently preferred blocked polyisocyanate usable as the crossslinker is Vestanat B1358, available from Hüls Degussa.
The thermosetting composition of claim 16 wherein said crosslinking agent is a blocked polyisocyanate.
The coating composition of claim 2, wherein the partially blocked polyisocyanate is a partially blocked isocyanate trimer.
The polyisocyanate can be prepared from a variety of isocyanate-containing materials and can be a blocked polyisocyanate.
Blending the epoxy amine adduct with the blocked polyisocyanate crosslinking agent ;.
Preferred crosslinking agents are an epoxy resin, triglycidylisocyanurate, glycoluril, hydroxyalkylamide, uretdione and blocked polyisocyanate.
Blending the epoxy-amine adduct with the blocked polyisocyanate crosslinking agent ;.
A method according to claim 14, wherein the water-insoluble crosslinking resin comprises a blocked polyisocyanate.
A partially blocked polyisocyanate having on average from about 1.5 to about 2.5 free isocyanate groups ; and.
The coating composition according to claim 3 wherein the crosslinker is a blocked polyisocyanate compound.
The impact-resistant primer composition of the invention may consist of a blocked polyisocyanate and of a polyol.
In a particular embodiment, the curing agent ( b ) comprises a blocked polyisocyanate.
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Examples of using Polyisocyanate
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The blocked polyisocyanate is stable at room temperature
The second portion contains the polyisocyanate
The polyisocyanate may be xylylene diisocyanate in particular
Examples of using Blocked
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The water tap is blocked or there is limescale on it
Blocked spray gun filter or pump high
Roads may also be blocked by seasonal rivers
