Examples of 'isocyanate content' in a sentence
Meaning of "isocyanate content"
isocyanate content: Refers to the amount or concentration of isocyanate compounds in a particular substance, often used in the context of chemical analysis or safety regulations in industries like manufacturing or construction
How to use "isocyanate content" in a sentence
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isocyanate content
The isocyanate content can be followed by titration with an amine.
In these examples reference is made to measurements of melt index and of isocyanate content.
After this time no isocyanate content could be determined any more.
The resultant copolymers are of poor solubility in benzene and low isocyanate content.
At this time the isocyanate content was determined to be essentially zero by titration.
The stoichiometry is such to provide for the desired isocyanate content of the composition.
To the contrary the isocyanate content decreases as the amount of component i increases.
Thus, this reduces the isocyanate content.
The isocyanate content in a reaction mixture is measured using the dibutylamine backtitration method.
The reaction is stopped when the free isocyanate content of the prepolymer is stable.
The isocyanate content of the polyisocyanate component increases as the amount of unreacted diisocyanate increases.
One hour after this addition, the isocyanate content is again determined.
The off-white dispersion was stirred and sampled intermittently for isocyanate content.
Agitation can continue until the isocyanate content reaches approximately the calculated theoretical level.
In general, the reaction proceeds until the point where the isocyanate content becomes constant.
See also
At this time the isocyanate content was determined to be essentially zero by IR spectrum.
The proportion of extender ( B ) employed is governed by the isocyanate content of the prepolymer component.
In turn, lower residual isocyanate content in the foam minimises release into the environment.
The reaction was heated to 60°C for 3 hours until the theoretical isocyanate content was reached.
The isocyanate content of the resulting prepolymer was 44 mVal.
The adduct mixture had an isocyanate content of 7.1 percent by weight.
The isocyanate content should be above 16 % in order to ensure proper curing.
The OH value is expressed in mgKOH / g and the isocyanate content is expressed in wt. %.
The initial isocyanate content was 4.3 milliequivalent per gram of the mixture.
A composition according to Claim 3 wherein the isocyanate content is from 9 to 26 percent by weight.
When the free isocyanate content was no longer subject to change, 44 g of n-butanol were added.
The isocyanate composition of Claim 1 having an isocyanate content of from 2 to 12 weight percent.
The isocyanate content following the reaction was about 12 %.
An organic polyisocyanate having an isocyanate content of from 15 to 33 weight percent ;.
The isocyanate content of the isocyanate molecule may be between 8 and 33 %.
The reaction is complete when the free isocyanate content is 7.4 %.
Most preferred is an isocyanate content of 4 to 10 percent for producing a foam.
At that time the reaction product was found to have an isocyanate content of 2.95 %.
More preferably the isocyanate content is from 2 to 4 percent by weight.
In this manner, a prepolymer is obtained that has an isocyanate content of 12.5 percent.
After 24 hours, the isocyanate content dropped to none as identified by infrared spectroscopy.
The process of claim 7, wherein the prepolymer has an isocyanate content from 7-12 weight percent.
At this point, an isocyanate content of 0.29 milliequivalents per gram was obtained.
The reaction mixture was further heated at 50 ° C. until the isocyanate content was 0 % by weight.
The isocyanate content of the urethane-modified polyisocyanate advantageously is from 15 to 30 weight percent.
Preferably the prepolymers have an isocyanate content of 13 to 15 percent by weight of the prepolymer.
Its isocyanate content was 5.13 milliequivalents of NCO per gram of solids.
After approximately one minute the isocyanate content of the dispersion was 1.41 %.
The prepolymer had an isocyanate content of 1.3 percent by weight.
The reaction is stopped when the free isocyanate content of the prepolymer is 2.7 %.
The reaction is continued until the initial isocyanate content of 6 meq / g is reduced to 3.1 meq / g.
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The isocyanate can be aromatic or aliphatic in nature
In certain embodiments the isocyanate reagents are diisocyanates
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