Examples of 'hydroxyl terminated' in a sentence
Meaning of "hydroxyl terminated"
Hydroxyl terminated: Refers to the end of a molecule or compound that has a hydroxyl group (OH) attached. It is commonly used in the context of chemical reactions and organic chemistry
How to use "hydroxyl terminated" in a sentence
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hydroxyl terminated
The resulting hydroxyl terminated polyol is then aminated.
In some embodiments the polysiloxane polyols are hydroxyl terminated polysiloxanes.
The polyol may be a hydroxyl terminated polyether or a hydroxyl terminated polyester.
The polyol component may also be a hydroxyl terminated prepolymer.
Hydroxyl terminated polycarbonate can be prepared by reacting a glycol with a carbonate.
The polyol is a hydroxyl terminated copolymer.
Hydroxyl terminated polycaprolactones can be formed by reaction of a caprolactone with a glycol.
A blend of two or more hydroxyl terminated compounds may be used.
Using a stoichiometric excess of hydroxyl groups the product can be hydroxyl terminated.
Especially preferred are hydroxyl terminated polyesters having some degree of crystallinity.
A composition according to the present invention comprises a hydroxyl terminated urethane prepolymer.
Especially preferred arc hydroxyl terminated polyesters having some degree of crystallinity.
These optional additional polyols may also be described as hydroxyl terminated intermediates.
A polyester is the preferred hydroxyl terminated intermediate to make the crosslinking agent.
Also available are a family of macroglycols that are amine terminated rather than hydroxyl terminated.
See also
Low molecular weight hydroxyl terminated compounds can be utilized as chain extenders.
In some embodiments the crosslinking agent is prepared from a polyester or polyether hydroxyl terminated intermediate.
Suitable hydroxyl terminated polycarbonates can be prepared by reacting a glycol with a carbonate.
A polyester or polyether are the preferred hydroxyl terminated intermediates to make the crosslinking agent.
Suitable hydroxyl terminated polycarbonates include those prepared by reacting a glycol with a carbonate.
A polyester or polyether is the preferred hydroxyl terminated intermediate to make the crosslinking agent.
Polyether hydroxyl terminated intermediates should be avoided as they hinder the melt spinning process.
The dicarboxylic acid used in making the hydroxyl terminated polyester intermediate is adipic acid.
The hydroxyl terminated polyester intermediate is derived from a mixture of two or more alkylene glycols.
Then the desired amount of the catalyst is added to provide the hydroxyl terminated prepolymer.
Illustrative of the secondary hydroxyl terminated polyols are polyoxyalkylene polyols terminated with propylene oxide.
If desired a carboxyl terminated polyester prepolymer can be prepared also from hydroxyl terminated polyester prepolymer.
Preferred long chain polyols are the hydroxyl terminated polyesters and the hydroxyl terminated polyethers.
POLYOLS The thermoplastic polyurethanes of the present invention comprise hydroxyl terminated polyester polyols.
The essential reactants for preparing the hydroxyl terminated polycarbonates intermediates are glycols and carbonates.
The excess MDI is the amount which remains after reaction with hydroxyl terminated PDMS.
Hydroxyl Terminated polydimethylsiloxane.
The oxidation step yields hydroxyl terminated PE-oligomers.
Thus, in a presently preferred embodiment, the backbone of the binder polymer is hydroxyl terminated.
At least one hydroxyl terminated intermediate ;.
Typically, the polyols useful herein comprise secondary hydroxyl terminated polyols.
More specifically, the hydroxyl terminated polycarbonates are prepared in two stages.
The pressure-sensitive adhesive of claim 7 wherein the polyol component is a hydroxyl terminated prepolymer.
Alternatively, hydroxyl terminated conventional polyesters can be extended with isocyanates.
Reaction with 2 moles of ethylene oxide would result in the appropriate hydroxyl terminated raw material.
In some embodiments the hydroxyl terminated intermediate is a polyether, a polyester, or a mixture thereof.
In accordance with the present invention, there is first prepared a hydroxyl terminated urethane-extended prepolymer.
More preferred are hydroxyl terminated polyesters that are semi-crystalline at room temperature.
The polyurethane composition of Claim 7 wherein the polyol is hydroxyl terminated.
The soft segment is made up of the hydroxyl terminated intermediate, usually a polyether or polyester.
In some embodiments, the polyol of component ( a ) includes a hydroxyl terminated polyether.
These include hydroxyl terminated polyesters, hydroxyl terminated polyethers, and hydroxyl terminated polycarbonates.
Depending on the ratio of NCO / OH, isocyanato or hydroxyl terminated polyurethanes were made.
Example H, Hydroxyl terminated polyamide from dimer acid, piperazine and caprolactone.
If used, the polyols, also known as hydroxyl terminated intermediates.
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