Examples of 'hydroxy-terminated' in a sentence
Meaning of "hydroxy-terminated"
hydroxy-terminated (verb) - referring to a process of terminating a chemical compound by introducing a hydroxyl group. This is commonly used in the field of chemistry and organic synthesis
How to use "hydroxy-terminated" in a sentence
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hydroxy-terminated
The pore protector may be a hydroxy-terminated polysiloxane.
The hydroxy-terminated polyester prepolymer is prepared by either of two alternative procedures.
Suitable polyolefin polyols include hydroxy-terminated butadiene homo - and copolymers.
The hydroxy-terminated urethane-extended prepolymers described above may be produced in the following manner.
The silicone polycarbinol in general is a hydroxy-terminated polysiloxane or hydroxy-substituted polysiloxane.
Suitable water immiscible solvents include those described hereinabove in the preparation of hydroxy-terminated polyester intermediates.
These polycarbonates are hydroxy-terminated if the polymerization is performed in the presence of a hydroxyl compound.
PBd represents the polybutadiene backbone derived from a hydroxy-terminated polybutadiene ;.
Resins prepared with hydroxy-terminated polybutadiene possess unique and desirable properties.
Preferably, the polyurethane is hydroxy-terminated.
Up to the present, hydroxy-terminated polyarylates units have been prepared vÃa interfacial polymerization methods.
A second preferred route is post-reaction of hydroxy-terminated polyester with acetic anhydride.
Suitable hydroxy-terminated polyester include those obtained, for example, from polycarboxylic acids and polyhydric alcohols.
Suitable polyolefin polyols include hydroxy-terminated butadiene or terpene homo and copolymers.
The hydroxy-terminated polymer was precipitated from 2 L of anhydrous ethyl ether.
See also
Preferred acrylated urethanes are diacrylate esters of hydroxy-terminated and diisocyanate-extended polyesters or polyethers.
A hydroxy-terminated polydimethylsiloxane was obtained from Aldrich Chemical Company.
The present invention provides a hydroxy-terminated siloxane of the following chemical formula 1.
A nitrated polymer according to claim 26 comprising a nitrated hydroxy-terminated polybutadiene.
Another method comprises allowing a hydroxy-terminated polyurethane to react with a dicarboxylic acid or an anhydride.
In addition, the hydroxy-containing compounds may be hydroxy-terminated polyesters.
Typically component A comprises a hydroxy-terminated polyarylate comprising arylate polyester chain members.
Hydroxy-terminated ethylene oxide / propylene oxide block copolymers are particularly preferred as component ( a1 ).
A prepolymer composition as in claim 1 wherein said hydroxy-terminated diene polymer is a hydroxy-terminated polybutadiene.
Suitable hydroxy-terminated polyesters include those, for example, from polycarboxylic acids and polyhydric alcohols.
Typically, control of the molecular weight of the hydroxy-terminated polyarylates has proven difficult to achieve.
A composition according to Claim 1, wherein the polyethylene oxide chains are hydroxy-terminated.
Suitable polyolefin diols include but are not limited to hydroxy-terminated butadiene homopolymers and copolymers.
One example of such a hydroxy-terminated polyester sold commercially is a polycaprolactone tetraol of molecular weight about 1000.
The term " hydroxyalkyl " refers to a hydroxy-terminated alkyl group.
Compositions include a hydroxy-terminated polydialkylsiloxane, fumed silica, and a silane crosslinking agent.
The " arms " are hydrophilic polyethylene oxide chains, preferably hydroxy-terminated polyethylene oxide chains.
In one embodiment, the hydroxy-terminated curing agent has a molecular weight of at least 50.
The most pronounced effect was noted for the blend containing 20 wt % of the hydroxy-terminated composition.
The adhesion-promoting agent was a hydroxy-terminated polyurethane such as polyolprepolymer-2.
The hydroxy-terminated oligomeric polyarylates prepared in Examples 1-13 possessed varying degrees of crystallinity.
A process as in claim 12 wherein said hydroxy-terminated diene polymer is a hydroxy-terminated polybutadiene.
A hydroxy-terminated sulfur-containing adduct; and.
Also useful are dimethiconols, which are hydroxy-terminated dialkyl silicones, such as dimethyl silicones.
Hydroxy-terminated poly ( alkyleneether ) homopolymer or random copolymer of formula,.
The invention further relates to certain hydroxy-terminated poly ( alkylene ether ) polymers produced by this process.
Preferably, the polyester ( co ) polymer is hydroxy-terminated.
Suitable polyolefin polyols include hydroxy-terminated butadiene homo - and copolymers and poly ( iso-butylene ) polyols.
Siloxanes and silicones, di-Me, polymers with Me silsesquioxanes, hydroxy-terminated.
Elastins, esters with hydroxy-terminated hydroxy Me siloxanes.
Hydroxy-terminated PPO can be prepared as described in U.S. Pat.
For example, by reacting IEM with hydroxy-terminated polydimethylsiloxane, a prepolymer is formed.
Hydroxy-terminated polybutadiene ( HTPB ), other than that specified in the Military Goods Controls ;.
Desirably, the polysiloxane used In the present invention is a hydroxy-terminated poly ( dimethylsiloxane ).
Example 1 Synthesis of hydroxy-terminated prepolymer is represented by the following synthetic scheme,.
