Examples of 'aromatic isocyanates' in a sentence
Meaning of "aromatic isocyanates"
aromatic isocyanates: Aromatic isocyanates are chemical compounds that contain both an isocyanate group and an aromatic group. They are commonly used in the production of various polyurethane materials and can have strong and distinct odors
How to use "aromatic isocyanates" in a sentence
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aromatic isocyanates
Aromatic isocyanates are organic intermediates of great interest.
Mixtures of aliphatic or aromatic isocyanates can be used.
Aromatic isocyanates may also be employed.
The alkyl ureas of aromatic isocyanates are also gelators.
Aromatic isocyanates are not preferred.
The isocyanate component includes one or more aromatic isocyanates.
Or alternatively aromatic isocyanates such as tolylene diisocyanate.
In one embodiment the composition is essentially free of aromatic isocyanates.
Other aromatic isocyanates can be suitable.
Wood finishing and topcoats primarily use aromatic isocyanates.
Certain substituted aromatic isocyanates are likewise used in the syntheses of herbicides.
Preferred isocyanates were aromatic isocyanates.
Typical aromatic isocyanates include toluene diisocyanates and biphenylmethane diisocyanates.
Priming compositions comprising aliphatic isocyanates are less sensitive to ultraviolet than aromatic isocyanates.
Typical aromatic isocyanates include toluene diisocyanates and biphneylmethane diisocyanates.
See also
The Marcali method is limited to the measurement of aromatic isocyanates.
Typical aromatic isocyanates include toluene diisocyanates and diphenylmethane diisocyanates.
Among them, adducts of aromatic isocyanates are preferred.
Aromatic isocyanates are important raw materials for the production of polyurethane materials.
Examples of polymeric isocyanate include aromatic isocyanates that are based on diphenylmethane diisocyanate.
Suitable polyisocyanates are aliphatic, cycloaliphatic, araliphatic and aromatic isocyanates.
The alkyl ureas of aromatic isocyanates are also considered to be particularly suitable gelation agents.
In one embodiment of the invention, aromatic isocyanates are preferred.
The difunctional isocyanate composition may comprise any aliphatic, cycloaliphatic or aromatic isocyanates.
Thus, the aromatic isocyanates are preferred.
As necessary, the isocyanate can comprise one or several aromatic isocyanates.
However, the exemplified compositions required aromatic isocyanates in combination with the polyols and a catalyst.
Silylamines, therefore, appear to be cyclotrimerization catalysts displaying very little activity for aromatic isocyanates.
The crosslinkers may be based on aliphatic and / or aromatic isocyanates, preferably on aromatic isocyanates.
Plastics - Aromatic isocyanates for use in the production of polyurethanes - Determination of hydrolysable chlorine.
Additionally, known urethane oligomers based on aromatic isocyanates displayed thermal instability and tended to yellow.
Suitable and preferred organic diisocyanates ( a ) are customary aliphatic, cycloaliphatic, araliphatic and / or aromatic isocyanates.
This document only mentions solid aromatic isocyanates and not liquid compositions ( only heated liquid ).
Lupranat ® is the brand name for BASF 's aromatic isocyanates.
Useful isocyanates however also include aromatic isocyanates such as 1,4-xylene diisocyanate and m-xylene diisocyanate.
Because of their greater reactivity, and slightly improved physical properties, aromatic isocyanates constitute a preferred group.
Polyureas formed from aromatic isocyanates and amines, for example, have been found to be non-biodegradable.
Both aliphatic, cycloaliphatic, and aromatic isocyanates are useful.
The most preferred aromatic isocyanates are polymeric MDI, emulsifiable MDI, MDI variants, and mixtures thereof.
They are, however, rather expensive, and the aromatic isocyanates yellow after application.
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