Examples of 'blocked polyisocyanates' in a sentence
Meaning of "blocked polyisocyanates"
Blocked polyisocyanates: Refers to the prevention or obstruction of substances called polyisocyanates, which are commonly used in the production of various polyurethane-based products
How to use "blocked polyisocyanates" in a sentence
Basic
Advanced
blocked polyisocyanates
A number of blocked polyisocyanates are satisfactory curing agents.
Examples of polyisocyanate curing agents are blocked polyisocyanates.
Blocked polyisocyanates can also be used.
Process for the preparation of aqueous dispersions of blocked polyisocyanates.
Such blocked polyisocyanates are already known.
Preferred hydrophilic crosslinking agents include hydrophilically modified blocked polyisocyanates.
Blocked polyisocyanates may also be included.
The curing agents commonly employed in cathodic electrodeposition compositions are blocked polyisocyanates.
Blocked polyisocyanates can also be used as crosslinking agents.
Preferred hydrophilic crosslinking agents include hydrophilic aminoplast resins or blocked polyisocyanates.
Blocked polyisocyanates are commercially available.
Other crosslinking agents such as polyisocyanates including blocked polyisocyanates may also be used.
The preferred blocked polyisocyanates contain hexamethylene diisocyanate blocked with an oxime.
The second class of resins requires a crosslinking agent such as melamine resins or blocked polyisocyanates.
These blocked polyisocyanates can be arbitrarily selected according to the baking conditions.
See also
The cross-linkers are typically blocked polyisocyanates.
In addition, blocked polyisocyanates can be used.
To prevent premature reaction of the polyisocyanates, blocked polyisocyanates may be used.
In addition, blocked polyisocyanates made from the above can be used.
Examples hereof include polyisocyanates, blocked polyisocyanates and aminoresins.
Alternatively, blocked polyisocyanates are used which deblock at elevated temperature after application.
Other useful crosslinkers include, without limitation, polyisocyanates and blocked polyisocyanates.
Also suitable for use are internally blocked polyisocyanates such as those containing uretidinedione groups.
Examples of suitable crosslinkers are phenolic resins, amino resins and blocked polyisocyanates.
Blocked or partially blocked polyisocyanates may also be used as the cross-linking component.
Other crosslinking agents are urea formaldehyde, benzoquanamine formaldeyde and blocked polyisocyanates.
Examples of blocked polyisocyanates having a lower dissociation temperature include compounds having the following formulas,.
Also, urea formaldehyde, benzoquanamine formaldeyde and blocked polyisocyanates may be used as crosslinking agents.
The preferred cross-linking agents of this invention are organic polyisocyanates and, in particular, blocked polyisocyanates.
Suitable at least partially blocked polyisocyanates include aliphatic polyisocyanates, aromatic polyisocyanates, and mixtures thereof.
Suitable examples of crosslinking agents, include, without limitation, blocked polyisocyanates.
A crosslinker selected from polyisocyanates, blocked polyisocyanates and mixtures thereof ; and optionally an organic solvent ;.
Other suitable curing agents are, for instance, water-dispersible, blocked polyisocyanates.
The usual blocked polyisocyanates or non-yellowing blocked polyisocyanates can be used for the blocked isocyanate.
Other cross-linking compounds are urea-formaldehyde resins, phenolformaldehyde resins, and blocked polyisocyanates.
The final concentration of blocked polyisocyanates is about 65 % by weight.
Most conventional blocked polyisocyanates dissociate at temperatures of around 160°C.
You'll also be interested in:
Examples of using Blocked
Show more
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
Examples of using Polyisocyanates
Show more
A preferred class of polyisocyanates consists of aromatic polyisocyanates
Examples of polyisocyanate curing agents are blocked polyisocyanates
The recommended polyisocyanates are the aromatic polyisocyanates
